assistant_panel.rs

   1use crate::{
   2    assistant_settings::{AssistantDockPosition, AssistantSettings, OpenAiModel},
   3    codegen::{self, Codegen, CodegenKind},
   4    prompts::generate_content_prompt,
   5    Assist, CycleMessageRole, InlineAssist, MessageId, MessageMetadata, MessageStatus,
   6    NewConversation, QuoteSelection, ResetKey, Role, SavedConversation, SavedConversationMetadata,
   7    SavedMessage, Split, ToggleFocus, ToggleIncludeConversation, ToggleRetrieveContext,
   8};
   9use ai::prompts::repository_context::PromptCodeSnippet;
  10use ai::{
  11    auth::ProviderCredential,
  12    completion::{CompletionProvider, CompletionRequest},
  13    providers::open_ai::{
  14        OpenAiCompletionProvider, OpenAiCompletionProviderKind, OpenAiRequest, RequestMessage,
  15        OPEN_AI_API_URL,
  16    },
  17};
  18use anyhow::{anyhow, Result};
  19use chrono::{DateTime, Local};
  20use collections::{hash_map, HashMap, HashSet, VecDeque};
  21use editor::{
  22    actions::{MoveDown, MoveUp},
  23    display_map::{
  24        BlockContext, BlockDisposition, BlockId, BlockProperties, BlockStyle, ToDisplayPoint,
  25    },
  26    scroll::{Autoscroll, AutoscrollStrategy},
  27    Anchor, Editor, EditorElement, EditorEvent, EditorStyle, MultiBufferSnapshot, ToOffset,
  28    ToPoint,
  29};
  30use fs::Fs;
  31use futures::StreamExt;
  32use gpui::{
  33    canvas, div, point, relative, rems, uniform_list, Action, AnyElement, AppContext,
  34    AsyncAppContext, AsyncWindowContext, ClipboardItem, Context, EventEmitter, FocusHandle,
  35    FocusableView, FontStyle, FontWeight, HighlightStyle, InteractiveElement, IntoElement, Model,
  36    ModelContext, ParentElement, Pixels, PromptLevel, Render, SharedString,
  37    StatefulInteractiveElement, Styled, Subscription, Task, TextStyle, UniformListScrollHandle,
  38    View, ViewContext, VisualContext, WeakModel, WeakView, WhiteSpace, WindowContext,
  39};
  40use language::{language_settings::SoftWrap, Buffer, BufferId, LanguageRegistry, ToOffset as _};
  41use project::Project;
  42use search::{buffer_search::DivRegistrar, BufferSearchBar};
  43use semantic_index::{SemanticIndex, SemanticIndexStatus};
  44use settings::Settings;
  45use std::{
  46    cell::Cell,
  47    cmp,
  48    fmt::Write,
  49    iter,
  50    ops::Range,
  51    path::{Path, PathBuf},
  52    rc::Rc,
  53    sync::Arc,
  54    time::{Duration, Instant},
  55};
  56use telemetry_events::AssistantKind;
  57use theme::ThemeSettings;
  58use ui::{
  59    prelude::*,
  60    utils::{DateTimeType, FormatDistance},
  61    ButtonLike, Tab, TabBar, Tooltip,
  62};
  63use util::{paths::CONVERSATIONS_DIR, post_inc, ResultExt, TryFutureExt};
  64use uuid::Uuid;
  65use workspace::{
  66    dock::{DockPosition, Panel, PanelEvent},
  67    searchable::Direction,
  68    Save, Toast, ToggleZoom, Toolbar, Workspace,
  69};
  70
  71pub fn init(cx: &mut AppContext) {
  72    AssistantSettings::register(cx);
  73    cx.observe_new_views(
  74        |workspace: &mut Workspace, _cx: &mut ViewContext<Workspace>| {
  75            workspace
  76                .register_action(|workspace, _: &ToggleFocus, cx| {
  77                    workspace.toggle_panel_focus::<AssistantPanel>(cx);
  78                })
  79                .register_action(AssistantPanel::inline_assist)
  80                .register_action(AssistantPanel::cancel_last_inline_assist)
  81                .register_action(ConversationEditor::quote_selection);
  82        },
  83    )
  84    .detach();
  85}
  86
  87pub struct AssistantPanel {
  88    workspace: WeakView<Workspace>,
  89    width: Option<Pixels>,
  90    height: Option<Pixels>,
  91    active_editor_index: Option<usize>,
  92    prev_active_editor_index: Option<usize>,
  93    editors: Vec<View<ConversationEditor>>,
  94    saved_conversations: Vec<SavedConversationMetadata>,
  95    saved_conversations_scroll_handle: UniformListScrollHandle,
  96    zoomed: bool,
  97    focus_handle: FocusHandle,
  98    toolbar: View<Toolbar>,
  99    completion_provider: Arc<dyn CompletionProvider>,
 100    api_key_editor: Option<View<Editor>>,
 101    languages: Arc<LanguageRegistry>,
 102    fs: Arc<dyn Fs>,
 103    subscriptions: Vec<Subscription>,
 104    next_inline_assist_id: usize,
 105    pending_inline_assists: HashMap<usize, PendingInlineAssist>,
 106    pending_inline_assist_ids_by_editor: HashMap<WeakView<Editor>, Vec<usize>>,
 107    include_conversation_in_next_inline_assist: bool,
 108    inline_prompt_history: VecDeque<String>,
 109    _watch_saved_conversations: Task<Result<()>>,
 110    semantic_index: Option<Model<SemanticIndex>>,
 111    retrieve_context_in_next_inline_assist: bool,
 112}
 113
 114impl AssistantPanel {
 115    const INLINE_PROMPT_HISTORY_MAX_LEN: usize = 20;
 116
 117    pub fn load(
 118        workspace: WeakView<Workspace>,
 119        cx: AsyncWindowContext,
 120    ) -> Task<Result<View<Self>>> {
 121        cx.spawn(|mut cx| async move {
 122            let fs = workspace.update(&mut cx, |workspace, _| workspace.app_state().fs.clone())?;
 123            let saved_conversations = SavedConversationMetadata::list(fs.clone())
 124                .await
 125                .log_err()
 126                .unwrap_or_default();
 127            let (provider_kind, api_url, model_name) = cx.update(|cx| {
 128                let settings = AssistantSettings::get_global(cx);
 129                anyhow::Ok((
 130                    settings.provider_kind()?,
 131                    settings.provider_api_url()?,
 132                    settings.provider_model_name()?,
 133                ))
 134            })??;
 135
 136            let completion_provider = OpenAiCompletionProvider::new(
 137                api_url,
 138                provider_kind,
 139                model_name,
 140                cx.background_executor().clone(),
 141            )
 142            .await;
 143
 144            // TODO: deserialize state.
 145            let workspace_handle = workspace.clone();
 146            workspace.update(&mut cx, |workspace, cx| {
 147                cx.new_view::<Self>(|cx| {
 148                    const CONVERSATION_WATCH_DURATION: Duration = Duration::from_millis(100);
 149                    let _watch_saved_conversations = cx.spawn(move |this, mut cx| async move {
 150                        let mut events = fs
 151                            .watch(&CONVERSATIONS_DIR, CONVERSATION_WATCH_DURATION)
 152                            .await;
 153                        while events.next().await.is_some() {
 154                            let saved_conversations = SavedConversationMetadata::list(fs.clone())
 155                                .await
 156                                .log_err()
 157                                .unwrap_or_default();
 158                            this.update(&mut cx, |this, cx| {
 159                                this.saved_conversations = saved_conversations;
 160                                cx.notify();
 161                            })
 162                            .ok();
 163                        }
 164
 165                        anyhow::Ok(())
 166                    });
 167
 168                    let toolbar = cx.new_view(|cx| {
 169                        let mut toolbar = Toolbar::new();
 170                        toolbar.set_can_navigate(false, cx);
 171                        toolbar.add_item(cx.new_view(|cx| BufferSearchBar::new(cx)), cx);
 172                        toolbar
 173                    });
 174
 175                    let semantic_index = SemanticIndex::global(cx);
 176
 177                    let focus_handle = cx.focus_handle();
 178                    cx.on_focus_in(&focus_handle, Self::focus_in).detach();
 179                    cx.on_focus_out(&focus_handle, Self::focus_out).detach();
 180
 181                    Self {
 182                        workspace: workspace_handle,
 183                        active_editor_index: Default::default(),
 184                        prev_active_editor_index: Default::default(),
 185                        editors: Default::default(),
 186                        saved_conversations,
 187                        saved_conversations_scroll_handle: Default::default(),
 188                        zoomed: false,
 189                        focus_handle,
 190                        toolbar,
 191                        completion_provider: Arc::new(completion_provider),
 192                        api_key_editor: None,
 193                        languages: workspace.app_state().languages.clone(),
 194                        fs: workspace.app_state().fs.clone(),
 195                        width: None,
 196                        height: None,
 197                        subscriptions: Default::default(),
 198                        next_inline_assist_id: 0,
 199                        pending_inline_assists: Default::default(),
 200                        pending_inline_assist_ids_by_editor: Default::default(),
 201                        include_conversation_in_next_inline_assist: false,
 202                        inline_prompt_history: Default::default(),
 203                        _watch_saved_conversations,
 204                        semantic_index,
 205                        retrieve_context_in_next_inline_assist: false,
 206                    }
 207                })
 208            })
 209        })
 210    }
 211
 212    fn focus_in(&mut self, cx: &mut ViewContext<Self>) {
 213        self.toolbar
 214            .update(cx, |toolbar, cx| toolbar.focus_changed(true, cx));
 215        cx.notify();
 216        if self.focus_handle.is_focused(cx) {
 217            if self.has_credentials() {
 218                if let Some(editor) = self.active_editor() {
 219                    cx.focus_view(editor);
 220                }
 221            }
 222
 223            if let Some(api_key_editor) = self.api_key_editor.as_ref() {
 224                cx.focus_view(api_key_editor);
 225            }
 226        }
 227    }
 228
 229    fn focus_out(&mut self, cx: &mut ViewContext<Self>) {
 230        self.toolbar
 231            .update(cx, |toolbar, cx| toolbar.focus_changed(false, cx));
 232        cx.notify();
 233    }
 234
 235    pub fn inline_assist(
 236        workspace: &mut Workspace,
 237        _: &InlineAssist,
 238        cx: &mut ViewContext<Workspace>,
 239    ) {
 240        let Some(assistant) = workspace.panel::<AssistantPanel>(cx) else {
 241            return;
 242        };
 243        let active_editor = if let Some(active_editor) = workspace
 244            .active_item(cx)
 245            .and_then(|item| item.act_as::<Editor>(cx))
 246        {
 247            active_editor
 248        } else {
 249            return;
 250        };
 251        let project = workspace.project().clone();
 252
 253        if assistant.update(cx, |assistant, _| assistant.has_credentials()) {
 254            assistant.update(cx, |assistant, cx| {
 255                assistant.new_inline_assist(&active_editor, cx, &project)
 256            });
 257        } else {
 258            let assistant = assistant.downgrade();
 259            cx.spawn(|workspace, mut cx| async move {
 260                assistant
 261                    .update(&mut cx, |assistant, cx| assistant.load_credentials(cx))?
 262                    .await;
 263                if assistant.update(&mut cx, |assistant, _| assistant.has_credentials())? {
 264                    assistant.update(&mut cx, |assistant, cx| {
 265                        assistant.new_inline_assist(&active_editor, cx, &project)
 266                    })?;
 267                } else {
 268                    workspace.update(&mut cx, |workspace, cx| {
 269                        workspace.focus_panel::<AssistantPanel>(cx)
 270                    })?;
 271                }
 272
 273                anyhow::Ok(())
 274            })
 275            .detach_and_log_err(cx)
 276        }
 277    }
 278
 279    fn new_inline_assist(
 280        &mut self,
 281        editor: &View<Editor>,
 282        cx: &mut ViewContext<Self>,
 283        project: &Model<Project>,
 284    ) {
 285        let selection = editor.read(cx).selections.newest_anchor().clone();
 286        if selection.start.excerpt_id != selection.end.excerpt_id {
 287            return;
 288        }
 289        let snapshot = editor.read(cx).buffer().read(cx).snapshot(cx);
 290
 291        // Extend the selection to the start and the end of the line.
 292        let mut point_selection = selection.map(|selection| selection.to_point(&snapshot));
 293        if point_selection.end > point_selection.start {
 294            point_selection.start.column = 0;
 295            // If the selection ends at the start of the line, we don't want to include it.
 296            if point_selection.end.column == 0 {
 297                point_selection.end.row -= 1;
 298            }
 299            point_selection.end.column = snapshot.line_len(point_selection.end.row);
 300        }
 301
 302        let codegen_kind = if point_selection.start == point_selection.end {
 303            CodegenKind::Generate {
 304                position: snapshot.anchor_after(point_selection.start),
 305            }
 306        } else {
 307            CodegenKind::Transform {
 308                range: snapshot.anchor_before(point_selection.start)
 309                    ..snapshot.anchor_after(point_selection.end),
 310            }
 311        };
 312
 313        let inline_assist_id = post_inc(&mut self.next_inline_assist_id);
 314        let provider = self.completion_provider.clone();
 315
 316        let codegen = cx.new_model(|cx| {
 317            Codegen::new(editor.read(cx).buffer().clone(), codegen_kind, provider, cx)
 318        });
 319
 320        if let Some(semantic_index) = self.semantic_index.clone() {
 321            let project = project.clone();
 322            cx.spawn(|_, mut cx| async move {
 323                let previously_indexed = semantic_index
 324                    .update(&mut cx, |index, cx| {
 325                        index.project_previously_indexed(&project, cx)
 326                    })?
 327                    .await
 328                    .unwrap_or(false);
 329                if previously_indexed {
 330                    let _ = semantic_index
 331                        .update(&mut cx, |index, cx| {
 332                            index.index_project(project.clone(), cx)
 333                        })?
 334                        .await;
 335                }
 336                anyhow::Ok(())
 337            })
 338            .detach_and_log_err(cx);
 339        }
 340
 341        let measurements = Rc::new(Cell::new(BlockMeasurements::default()));
 342        let inline_assistant = cx.new_view(|cx| {
 343            InlineAssistant::new(
 344                inline_assist_id,
 345                measurements.clone(),
 346                self.include_conversation_in_next_inline_assist,
 347                self.inline_prompt_history.clone(),
 348                codegen.clone(),
 349                self.workspace.clone(),
 350                cx,
 351                self.retrieve_context_in_next_inline_assist,
 352                self.semantic_index.clone(),
 353                project.clone(),
 354            )
 355        });
 356        let block_id = editor.update(cx, |editor, cx| {
 357            editor.change_selections(None, cx, |selections| {
 358                selections.select_anchor_ranges([selection.head()..selection.head()])
 359            });
 360            editor.insert_blocks(
 361                [BlockProperties {
 362                    style: BlockStyle::Flex,
 363                    position: snapshot.anchor_before(point_selection.head()),
 364                    height: 2,
 365                    render: Arc::new({
 366                        let inline_assistant = inline_assistant.clone();
 367                        move |cx: &mut BlockContext| {
 368                            measurements.set(BlockMeasurements {
 369                                anchor_x: cx.anchor_x,
 370                                gutter_width: cx.gutter_dimensions.width,
 371                            });
 372                            inline_assistant.clone().into_any_element()
 373                        }
 374                    }),
 375                    disposition: if selection.reversed {
 376                        BlockDisposition::Above
 377                    } else {
 378                        BlockDisposition::Below
 379                    },
 380                }],
 381                Some(Autoscroll::Strategy(AutoscrollStrategy::Newest)),
 382                cx,
 383            )[0]
 384        });
 385
 386        self.pending_inline_assists.insert(
 387            inline_assist_id,
 388            PendingInlineAssist {
 389                editor: editor.downgrade(),
 390                inline_assistant: Some((block_id, inline_assistant.clone())),
 391                codegen: codegen.clone(),
 392                project: project.downgrade(),
 393                _subscriptions: vec![
 394                    cx.subscribe(&inline_assistant, Self::handle_inline_assistant_event),
 395                    cx.subscribe(editor, {
 396                        let inline_assistant = inline_assistant.downgrade();
 397                        move |_, editor, event, cx| {
 398                            if let Some(inline_assistant) = inline_assistant.upgrade() {
 399                                if let EditorEvent::SelectionsChanged { local } = event {
 400                                    if *local
 401                                        && inline_assistant.focus_handle(cx).contains_focused(cx)
 402                                    {
 403                                        cx.focus_view(&editor);
 404                                    }
 405                                }
 406                            }
 407                        }
 408                    }),
 409                    cx.observe(&codegen, {
 410                        let editor = editor.downgrade();
 411                        move |this, _, cx| {
 412                            if let Some(editor) = editor.upgrade() {
 413                                this.update_highlights_for_editor(&editor, cx);
 414                            }
 415                        }
 416                    }),
 417                    cx.subscribe(&codegen, move |this, codegen, event, cx| match event {
 418                        codegen::Event::Undone => {
 419                            this.finish_inline_assist(inline_assist_id, false, cx)
 420                        }
 421                        codegen::Event::Finished => {
 422                            let pending_assist = if let Some(pending_assist) =
 423                                this.pending_inline_assists.get(&inline_assist_id)
 424                            {
 425                                pending_assist
 426                            } else {
 427                                return;
 428                            };
 429
 430                            let error = codegen
 431                                .read(cx)
 432                                .error()
 433                                .map(|error| format!("Inline assistant error: {}", error));
 434                            if let Some(error) = error {
 435                                if pending_assist.inline_assistant.is_none() {
 436                                    if let Some(workspace) = this.workspace.upgrade() {
 437                                        workspace.update(cx, |workspace, cx| {
 438                                            workspace.show_toast(
 439                                                Toast::new(inline_assist_id, error),
 440                                                cx,
 441                                            );
 442                                        })
 443                                    }
 444
 445                                    this.finish_inline_assist(inline_assist_id, false, cx);
 446                                }
 447                            } else {
 448                                this.finish_inline_assist(inline_assist_id, false, cx);
 449                            }
 450                        }
 451                    }),
 452                ],
 453            },
 454        );
 455        self.pending_inline_assist_ids_by_editor
 456            .entry(editor.downgrade())
 457            .or_default()
 458            .push(inline_assist_id);
 459        self.update_highlights_for_editor(&editor, cx);
 460    }
 461
 462    fn handle_inline_assistant_event(
 463        &mut self,
 464        inline_assistant: View<InlineAssistant>,
 465        event: &InlineAssistantEvent,
 466        cx: &mut ViewContext<Self>,
 467    ) {
 468        let assist_id = inline_assistant.read(cx).id;
 469        match event {
 470            InlineAssistantEvent::Confirmed {
 471                prompt,
 472                include_conversation,
 473                retrieve_context,
 474            } => {
 475                self.confirm_inline_assist(
 476                    assist_id,
 477                    prompt,
 478                    *include_conversation,
 479                    cx,
 480                    *retrieve_context,
 481                );
 482            }
 483            InlineAssistantEvent::Canceled => {
 484                self.finish_inline_assist(assist_id, true, cx);
 485            }
 486            InlineAssistantEvent::Dismissed => {
 487                self.hide_inline_assist(assist_id, cx);
 488            }
 489            InlineAssistantEvent::IncludeConversationToggled {
 490                include_conversation,
 491            } => {
 492                self.include_conversation_in_next_inline_assist = *include_conversation;
 493            }
 494            InlineAssistantEvent::RetrieveContextToggled { retrieve_context } => {
 495                self.retrieve_context_in_next_inline_assist = *retrieve_context
 496            }
 497        }
 498    }
 499
 500    fn cancel_last_inline_assist(
 501        workspace: &mut Workspace,
 502        _: &editor::actions::Cancel,
 503        cx: &mut ViewContext<Workspace>,
 504    ) {
 505        if let Some(panel) = workspace.panel::<AssistantPanel>(cx) {
 506            if let Some(editor) = workspace
 507                .active_item(cx)
 508                .and_then(|item| item.downcast::<Editor>())
 509            {
 510                let handled = panel.update(cx, |panel, cx| {
 511                    if let Some(assist_id) = panel
 512                        .pending_inline_assist_ids_by_editor
 513                        .get(&editor.downgrade())
 514                        .and_then(|assist_ids| assist_ids.last().copied())
 515                    {
 516                        panel.finish_inline_assist(assist_id, true, cx);
 517                        true
 518                    } else {
 519                        false
 520                    }
 521                });
 522                if handled {
 523                    return;
 524                }
 525            }
 526        }
 527
 528        cx.propagate();
 529    }
 530
 531    fn finish_inline_assist(&mut self, assist_id: usize, undo: bool, cx: &mut ViewContext<Self>) {
 532        self.hide_inline_assist(assist_id, cx);
 533
 534        if let Some(pending_assist) = self.pending_inline_assists.remove(&assist_id) {
 535            if let hash_map::Entry::Occupied(mut entry) = self
 536                .pending_inline_assist_ids_by_editor
 537                .entry(pending_assist.editor.clone())
 538            {
 539                entry.get_mut().retain(|id| *id != assist_id);
 540                if entry.get().is_empty() {
 541                    entry.remove();
 542                }
 543            }
 544
 545            if let Some(editor) = pending_assist.editor.upgrade() {
 546                self.update_highlights_for_editor(&editor, cx);
 547
 548                if undo {
 549                    pending_assist
 550                        .codegen
 551                        .update(cx, |codegen, cx| codegen.undo(cx));
 552                }
 553            }
 554        }
 555    }
 556
 557    fn hide_inline_assist(&mut self, assist_id: usize, cx: &mut ViewContext<Self>) {
 558        if let Some(pending_assist) = self.pending_inline_assists.get_mut(&assist_id) {
 559            if let Some(editor) = pending_assist.editor.upgrade() {
 560                if let Some((block_id, inline_assistant)) = pending_assist.inline_assistant.take() {
 561                    editor.update(cx, |editor, cx| {
 562                        editor.remove_blocks(HashSet::from_iter([block_id]), None, cx);
 563                        if inline_assistant.focus_handle(cx).contains_focused(cx) {
 564                            editor.focus(cx);
 565                        }
 566                    });
 567                }
 568            }
 569        }
 570    }
 571
 572    fn confirm_inline_assist(
 573        &mut self,
 574        inline_assist_id: usize,
 575        user_prompt: &str,
 576        include_conversation: bool,
 577        cx: &mut ViewContext<Self>,
 578        retrieve_context: bool,
 579    ) {
 580        let conversation = if include_conversation {
 581            self.active_editor()
 582                .map(|editor| editor.read(cx).conversation.clone())
 583        } else {
 584            None
 585        };
 586
 587        let pending_assist =
 588            if let Some(pending_assist) = self.pending_inline_assists.get_mut(&inline_assist_id) {
 589                pending_assist
 590            } else {
 591                return;
 592            };
 593
 594        let editor = if let Some(editor) = pending_assist.editor.upgrade() {
 595            editor
 596        } else {
 597            return;
 598        };
 599
 600        let project = pending_assist.project.clone();
 601
 602        let project_name = if let Some(project) = project.upgrade() {
 603            Some(
 604                project
 605                    .read(cx)
 606                    .worktree_root_names(cx)
 607                    .collect::<Vec<&str>>()
 608                    .join("/"),
 609            )
 610        } else {
 611            None
 612        };
 613
 614        self.inline_prompt_history
 615            .retain(|prompt| prompt != user_prompt);
 616        self.inline_prompt_history.push_back(user_prompt.into());
 617        if self.inline_prompt_history.len() > Self::INLINE_PROMPT_HISTORY_MAX_LEN {
 618            self.inline_prompt_history.pop_front();
 619        }
 620
 621        let codegen = pending_assist.codegen.clone();
 622        let snapshot = editor.read(cx).buffer().read(cx).snapshot(cx);
 623        let range = codegen.read(cx).range();
 624        let start = snapshot.point_to_buffer_offset(range.start);
 625        let end = snapshot.point_to_buffer_offset(range.end);
 626        let (buffer, range) = if let Some((start, end)) = start.zip(end) {
 627            let (start_buffer, start_buffer_offset) = start;
 628            let (end_buffer, end_buffer_offset) = end;
 629            if start_buffer.remote_id() == end_buffer.remote_id() {
 630                (start_buffer.clone(), start_buffer_offset..end_buffer_offset)
 631            } else {
 632                self.finish_inline_assist(inline_assist_id, false, cx);
 633                return;
 634            }
 635        } else {
 636            self.finish_inline_assist(inline_assist_id, false, cx);
 637            return;
 638        };
 639
 640        let language = buffer.language_at(range.start);
 641        let language_name = if let Some(language) = language.as_ref() {
 642            if Arc::ptr_eq(language, &language::PLAIN_TEXT) {
 643                None
 644            } else {
 645                Some(language.name())
 646            }
 647        } else {
 648            None
 649        };
 650
 651        // Higher Temperature increases the randomness of model outputs.
 652        // If Markdown or No Language is Known, increase the randomness for more creative output
 653        // If Code, decrease temperature to get more deterministic outputs
 654        let temperature = if let Some(language) = language_name.clone() {
 655            if *language != *"Markdown" {
 656                0.5
 657            } else {
 658                1.0
 659            }
 660        } else {
 661            1.0
 662        };
 663
 664        let user_prompt = user_prompt.to_string();
 665
 666        let snippets = if retrieve_context {
 667            let Some(project) = project.upgrade() else {
 668                return;
 669            };
 670
 671            let search_results = if let Some(semantic_index) = self.semantic_index.clone() {
 672                let search_results = semantic_index.update(cx, |this, cx| {
 673                    this.search_project(project, user_prompt.to_string(), 10, vec![], vec![], cx)
 674                });
 675
 676                cx.background_executor()
 677                    .spawn(async move { search_results.await.unwrap_or_default() })
 678            } else {
 679                Task::ready(Vec::new())
 680            };
 681
 682            let snippets = cx.spawn(|_, mut cx| async move {
 683                let mut snippets = Vec::new();
 684                for result in search_results.await {
 685                    snippets.push(PromptCodeSnippet::new(
 686                        result.buffer,
 687                        result.range,
 688                        &mut cx,
 689                    )?);
 690                }
 691                anyhow::Ok(snippets)
 692            });
 693            snippets
 694        } else {
 695            Task::ready(Ok(Vec::new()))
 696        };
 697
 698        let Some(mut model_name) = AssistantSettings::get_global(cx)
 699            .provider_model_name()
 700            .log_err()
 701        else {
 702            return;
 703        };
 704
 705        let prompt = cx.background_executor().spawn({
 706            let model_name = model_name.clone();
 707            async move {
 708                let snippets = snippets.await?;
 709
 710                let language_name = language_name.as_deref();
 711                generate_content_prompt(
 712                    user_prompt,
 713                    language_name,
 714                    buffer,
 715                    range,
 716                    snippets,
 717                    &model_name,
 718                    project_name,
 719                )
 720            }
 721        });
 722
 723        let mut messages = Vec::new();
 724        if let Some(conversation) = conversation {
 725            let conversation = conversation.read(cx);
 726            let buffer = conversation.buffer.read(cx);
 727            messages.extend(
 728                conversation
 729                    .messages(cx)
 730                    .map(|message| message.to_open_ai_message(buffer)),
 731            );
 732            model_name = conversation.model.full_name().to_string();
 733        }
 734
 735        cx.spawn(|_, mut cx| async move {
 736            // I Don't know if we want to return a ? here.
 737            let prompt = prompt.await?;
 738
 739            messages.push(RequestMessage {
 740                role: Role::User,
 741                content: prompt,
 742            });
 743
 744            let request = Box::new(OpenAiRequest {
 745                model: model_name,
 746                messages,
 747                stream: true,
 748                stop: vec!["|END|>".to_string()],
 749                temperature,
 750            });
 751
 752            codegen.update(&mut cx, |codegen, cx| codegen.start(request, cx))?;
 753            anyhow::Ok(())
 754        })
 755        .detach();
 756    }
 757
 758    fn update_highlights_for_editor(&self, editor: &View<Editor>, cx: &mut ViewContext<Self>) {
 759        let mut background_ranges = Vec::new();
 760        let mut foreground_ranges = Vec::new();
 761        let empty_inline_assist_ids = Vec::new();
 762        let inline_assist_ids = self
 763            .pending_inline_assist_ids_by_editor
 764            .get(&editor.downgrade())
 765            .unwrap_or(&empty_inline_assist_ids);
 766
 767        for inline_assist_id in inline_assist_ids {
 768            if let Some(pending_assist) = self.pending_inline_assists.get(inline_assist_id) {
 769                let codegen = pending_assist.codegen.read(cx);
 770                background_ranges.push(codegen.range());
 771                foreground_ranges.extend(codegen.last_equal_ranges().iter().cloned());
 772            }
 773        }
 774
 775        let snapshot = editor.read(cx).buffer().read(cx).snapshot(cx);
 776        merge_ranges(&mut background_ranges, &snapshot);
 777        merge_ranges(&mut foreground_ranges, &snapshot);
 778        editor.update(cx, |editor, cx| {
 779            if background_ranges.is_empty() {
 780                editor.clear_background_highlights::<PendingInlineAssist>(cx);
 781            } else {
 782                editor.highlight_background::<PendingInlineAssist>(
 783                    background_ranges,
 784                    |theme| theme.editor_active_line_background, // todo("use the appropriate color")
 785                    cx,
 786                );
 787            }
 788
 789            if foreground_ranges.is_empty() {
 790                editor.clear_highlights::<PendingInlineAssist>(cx);
 791            } else {
 792                editor.highlight_text::<PendingInlineAssist>(
 793                    foreground_ranges,
 794                    HighlightStyle {
 795                        fade_out: Some(0.6),
 796                        ..Default::default()
 797                    },
 798                    cx,
 799                );
 800            }
 801        });
 802    }
 803
 804    fn build_api_key_editor(&mut self, cx: &mut WindowContext<'_>) {
 805        self.api_key_editor = Some(build_api_key_editor(cx));
 806    }
 807
 808    fn new_conversation(&mut self, cx: &mut ViewContext<Self>) -> View<ConversationEditor> {
 809        let editor = cx.new_view(|cx| {
 810            ConversationEditor::new(
 811                self.completion_provider.clone(),
 812                self.languages.clone(),
 813                self.fs.clone(),
 814                self.workspace.clone(),
 815                cx,
 816            )
 817        });
 818        self.add_conversation(editor.clone(), cx);
 819        editor
 820    }
 821
 822    fn add_conversation(&mut self, editor: View<ConversationEditor>, cx: &mut ViewContext<Self>) {
 823        self.subscriptions
 824            .push(cx.subscribe(&editor, Self::handle_conversation_editor_event));
 825
 826        let conversation = editor.read(cx).conversation.clone();
 827        self.subscriptions
 828            .push(cx.observe(&conversation, |_, _, cx| cx.notify()));
 829
 830        let index = self.editors.len();
 831        self.editors.push(editor);
 832        self.set_active_editor_index(Some(index), cx);
 833    }
 834
 835    fn set_active_editor_index(&mut self, index: Option<usize>, cx: &mut ViewContext<Self>) {
 836        self.prev_active_editor_index = self.active_editor_index;
 837        self.active_editor_index = index;
 838        if let Some(editor) = self.active_editor() {
 839            let editor = editor.read(cx).editor.clone();
 840            self.toolbar.update(cx, |toolbar, cx| {
 841                toolbar.set_active_item(Some(&editor), cx);
 842            });
 843            if self.focus_handle.contains_focused(cx) {
 844                cx.focus_view(&editor);
 845            }
 846        } else {
 847            self.toolbar.update(cx, |toolbar, cx| {
 848                toolbar.set_active_item(None, cx);
 849            });
 850        }
 851
 852        cx.notify();
 853    }
 854
 855    fn handle_conversation_editor_event(
 856        &mut self,
 857        _: View<ConversationEditor>,
 858        event: &ConversationEditorEvent,
 859        cx: &mut ViewContext<Self>,
 860    ) {
 861        match event {
 862            ConversationEditorEvent::TabContentChanged => cx.notify(),
 863        }
 864    }
 865
 866    fn save_credentials(&mut self, _: &menu::Confirm, cx: &mut ViewContext<Self>) {
 867        if let Some(api_key) = self
 868            .api_key_editor
 869            .as_ref()
 870            .map(|editor| editor.read(cx).text(cx))
 871        {
 872            if !api_key.is_empty() {
 873                let credential = ProviderCredential::Credentials {
 874                    api_key: api_key.clone(),
 875                };
 876
 877                let completion_provider = self.completion_provider.clone();
 878                cx.spawn(|this, mut cx| async move {
 879                    cx.update(|cx| completion_provider.save_credentials(cx, credential))?
 880                        .await;
 881
 882                    this.update(&mut cx, |this, cx| {
 883                        this.api_key_editor.take();
 884                        this.focus_handle.focus(cx);
 885                        cx.notify();
 886                    })
 887                })
 888                .detach_and_log_err(cx);
 889            }
 890        } else {
 891            cx.propagate();
 892        }
 893    }
 894
 895    fn reset_credentials(&mut self, _: &ResetKey, cx: &mut ViewContext<Self>) {
 896        let completion_provider = self.completion_provider.clone();
 897        cx.spawn(|this, mut cx| async move {
 898            cx.update(|cx| completion_provider.delete_credentials(cx))?
 899                .await;
 900            this.update(&mut cx, |this, cx| {
 901                this.build_api_key_editor(cx);
 902                this.focus_handle.focus(cx);
 903                cx.notify();
 904            })
 905        })
 906        .detach_and_log_err(cx);
 907    }
 908
 909    fn toggle_zoom(&mut self, _: &workspace::ToggleZoom, cx: &mut ViewContext<Self>) {
 910        if self.zoomed {
 911            cx.emit(PanelEvent::ZoomOut)
 912        } else {
 913            cx.emit(PanelEvent::ZoomIn)
 914        }
 915    }
 916
 917    fn deploy(&mut self, action: &search::buffer_search::Deploy, cx: &mut ViewContext<Self>) {
 918        let mut propagate = true;
 919        if let Some(search_bar) = self.toolbar.read(cx).item_of_type::<BufferSearchBar>() {
 920            search_bar.update(cx, |search_bar, cx| {
 921                if search_bar.show(cx) {
 922                    search_bar.search_suggested(cx);
 923                    if action.focus {
 924                        let focus_handle = search_bar.focus_handle(cx);
 925                        search_bar.select_query(cx);
 926                        cx.focus(&focus_handle);
 927                    }
 928                    propagate = false
 929                }
 930            });
 931        }
 932        if propagate {
 933            cx.propagate();
 934        }
 935    }
 936
 937    fn handle_editor_cancel(&mut self, _: &editor::actions::Cancel, cx: &mut ViewContext<Self>) {
 938        if let Some(search_bar) = self.toolbar.read(cx).item_of_type::<BufferSearchBar>() {
 939            if !search_bar.read(cx).is_dismissed() {
 940                search_bar.update(cx, |search_bar, cx| {
 941                    search_bar.dismiss(&Default::default(), cx)
 942                });
 943                return;
 944            }
 945        }
 946        cx.propagate();
 947    }
 948
 949    fn select_next_match(&mut self, _: &search::SelectNextMatch, cx: &mut ViewContext<Self>) {
 950        if let Some(search_bar) = self.toolbar.read(cx).item_of_type::<BufferSearchBar>() {
 951            search_bar.update(cx, |bar, cx| bar.select_match(Direction::Next, 1, cx));
 952        }
 953    }
 954
 955    fn select_prev_match(&mut self, _: &search::SelectPrevMatch, cx: &mut ViewContext<Self>) {
 956        if let Some(search_bar) = self.toolbar.read(cx).item_of_type::<BufferSearchBar>() {
 957            search_bar.update(cx, |bar, cx| bar.select_match(Direction::Prev, 1, cx));
 958        }
 959    }
 960
 961    fn active_editor(&self) -> Option<&View<ConversationEditor>> {
 962        self.editors.get(self.active_editor_index?)
 963    }
 964
 965    fn render_api_key_editor(
 966        &self,
 967        editor: &View<Editor>,
 968        cx: &mut ViewContext<Self>,
 969    ) -> impl IntoElement {
 970        let settings = ThemeSettings::get_global(cx);
 971        let text_style = TextStyle {
 972            color: if editor.read(cx).read_only(cx) {
 973                cx.theme().colors().text_disabled
 974            } else {
 975                cx.theme().colors().text
 976            },
 977            font_family: settings.ui_font.family.clone(),
 978            font_features: settings.ui_font.features,
 979            font_size: rems(0.875).into(),
 980            font_weight: FontWeight::NORMAL,
 981            font_style: FontStyle::Normal,
 982            line_height: relative(1.3),
 983            background_color: None,
 984            underline: None,
 985            strikethrough: None,
 986            white_space: WhiteSpace::Normal,
 987        };
 988        EditorElement::new(
 989            &editor,
 990            EditorStyle {
 991                background: cx.theme().colors().editor_background,
 992                local_player: cx.theme().players().local(),
 993                text: text_style,
 994                ..Default::default()
 995            },
 996        )
 997    }
 998
 999    fn render_hamburger_button(cx: &mut ViewContext<Self>) -> impl IntoElement {
1000        IconButton::new("hamburger_button", IconName::Menu)
1001            .on_click(cx.listener(|this, _event, cx| {
1002                if this.active_editor().is_some() {
1003                    this.set_active_editor_index(None, cx);
1004                } else {
1005                    this.set_active_editor_index(this.prev_active_editor_index, cx);
1006                }
1007            }))
1008            .tooltip(|cx| Tooltip::text("Conversation History", cx))
1009    }
1010
1011    fn render_editor_tools(&self, cx: &mut ViewContext<Self>) -> Vec<AnyElement> {
1012        if self.active_editor().is_some() {
1013            vec![
1014                Self::render_split_button(cx).into_any_element(),
1015                Self::render_quote_button(cx).into_any_element(),
1016                Self::render_assist_button(cx).into_any_element(),
1017            ]
1018        } else {
1019            Default::default()
1020        }
1021    }
1022
1023    fn render_split_button(cx: &mut ViewContext<Self>) -> impl IntoElement {
1024        IconButton::new("split_button", IconName::Snip)
1025            .on_click(cx.listener(|this, _event, cx| {
1026                if let Some(active_editor) = this.active_editor() {
1027                    active_editor.update(cx, |editor, cx| editor.split(&Default::default(), cx));
1028                }
1029            }))
1030            .icon_size(IconSize::Small)
1031            .tooltip(|cx| Tooltip::for_action("Split Message", &Split, cx))
1032    }
1033
1034    fn render_assist_button(cx: &mut ViewContext<Self>) -> impl IntoElement {
1035        IconButton::new("assist_button", IconName::MagicWand)
1036            .on_click(cx.listener(|this, _event, cx| {
1037                if let Some(active_editor) = this.active_editor() {
1038                    active_editor.update(cx, |editor, cx| editor.assist(&Default::default(), cx));
1039                }
1040            }))
1041            .icon_size(IconSize::Small)
1042            .tooltip(|cx| Tooltip::for_action("Assist", &Assist, cx))
1043    }
1044
1045    fn render_quote_button(cx: &mut ViewContext<Self>) -> impl IntoElement {
1046        IconButton::new("quote_button", IconName::Quote)
1047            .on_click(cx.listener(|this, _event, cx| {
1048                if let Some(workspace) = this.workspace.upgrade() {
1049                    cx.window_context().defer(move |cx| {
1050                        workspace.update(cx, |workspace, cx| {
1051                            ConversationEditor::quote_selection(workspace, &Default::default(), cx)
1052                        });
1053                    });
1054                }
1055            }))
1056            .icon_size(IconSize::Small)
1057            .tooltip(|cx| Tooltip::for_action("Quote Selection", &QuoteSelection, cx))
1058    }
1059
1060    fn render_plus_button(cx: &mut ViewContext<Self>) -> impl IntoElement {
1061        IconButton::new("plus_button", IconName::Plus)
1062            .on_click(cx.listener(|this, _event, cx| {
1063                this.new_conversation(cx);
1064            }))
1065            .icon_size(IconSize::Small)
1066            .tooltip(|cx| Tooltip::for_action("New Conversation", &NewConversation, cx))
1067    }
1068
1069    fn render_zoom_button(&self, cx: &mut ViewContext<Self>) -> impl IntoElement {
1070        let zoomed = self.zoomed;
1071        IconButton::new("zoom_button", IconName::Maximize)
1072            .on_click(cx.listener(|this, _event, cx| {
1073                this.toggle_zoom(&ToggleZoom, cx);
1074            }))
1075            .selected(zoomed)
1076            .selected_icon(IconName::Minimize)
1077            .icon_size(IconSize::Small)
1078            .tooltip(move |cx| {
1079                Tooltip::for_action(if zoomed { "Zoom Out" } else { "Zoom In" }, &ToggleZoom, cx)
1080            })
1081    }
1082
1083    fn render_saved_conversation(
1084        &mut self,
1085        index: usize,
1086        cx: &mut ViewContext<Self>,
1087    ) -> impl IntoElement {
1088        let conversation = &self.saved_conversations[index];
1089        let path = conversation.path.clone();
1090
1091        ButtonLike::new(index)
1092            .on_click(cx.listener(move |this, _, cx| {
1093                this.open_conversation(path.clone(), cx)
1094                    .detach_and_log_err(cx)
1095            }))
1096            .full_width()
1097            .child(
1098                div()
1099                    .flex()
1100                    .w_full()
1101                    .gap_2()
1102                    .child(
1103                        Label::new(conversation.mtime.format("%F %I:%M%p").to_string())
1104                            .color(Color::Muted)
1105                            .size(LabelSize::Small),
1106                    )
1107                    .child(Label::new(conversation.title.clone()).size(LabelSize::Small)),
1108            )
1109    }
1110
1111    fn open_conversation(&mut self, path: PathBuf, cx: &mut ViewContext<Self>) -> Task<Result<()>> {
1112        cx.focus(&self.focus_handle);
1113
1114        if let Some(ix) = self.editor_index_for_path(&path, cx) {
1115            self.set_active_editor_index(Some(ix), cx);
1116            return Task::ready(Ok(()));
1117        }
1118
1119        let fs = self.fs.clone();
1120        let workspace = self.workspace.clone();
1121        let languages = self.languages.clone();
1122        cx.spawn(|this, mut cx| async move {
1123            let saved_conversation = fs.load(&path).await?;
1124            let saved_conversation = serde_json::from_str(&saved_conversation)?;
1125            let conversation =
1126                Conversation::deserialize(saved_conversation, path.clone(), languages, &mut cx)
1127                    .await?;
1128
1129            this.update(&mut cx, |this, cx| {
1130                // If, by the time we've loaded the conversation, the user has already opened
1131                // the same conversation, we don't want to open it again.
1132                if let Some(ix) = this.editor_index_for_path(&path, cx) {
1133                    this.set_active_editor_index(Some(ix), cx);
1134                } else {
1135                    let editor = cx.new_view(|cx| {
1136                        ConversationEditor::for_conversation(conversation, fs, workspace, cx)
1137                    });
1138                    this.add_conversation(editor, cx);
1139                }
1140            })?;
1141            Ok(())
1142        })
1143    }
1144
1145    fn editor_index_for_path(&self, path: &Path, cx: &AppContext) -> Option<usize> {
1146        self.editors
1147            .iter()
1148            .position(|editor| editor.read(cx).conversation.read(cx).path.as_deref() == Some(path))
1149    }
1150
1151    fn has_credentials(&mut self) -> bool {
1152        self.completion_provider.has_credentials()
1153    }
1154
1155    fn load_credentials(&mut self, cx: &mut ViewContext<Self>) -> Task<()> {
1156        let completion_provider = self.completion_provider.clone();
1157        cx.spawn(|_, mut cx| async move {
1158            if let Some(retrieve_credentials) = cx
1159                .update(|cx| completion_provider.retrieve_credentials(cx))
1160                .log_err()
1161            {
1162                retrieve_credentials.await;
1163            }
1164        })
1165    }
1166}
1167
1168fn build_api_key_editor(cx: &mut WindowContext) -> View<Editor> {
1169    cx.new_view(|cx| {
1170        let mut editor = Editor::single_line(cx);
1171        editor.set_placeholder_text("sk-000000000000000000000000000000000000000000000000", cx);
1172        editor
1173    })
1174}
1175
1176impl Render for AssistantPanel {
1177    fn render(&mut self, cx: &mut ViewContext<Self>) -> impl IntoElement {
1178        if let Some(api_key_editor) = self.api_key_editor.clone() {
1179            const INSTRUCTIONS: [&'static str; 6] = [
1180                "To use the assistant panel or inline assistant, you need to add your OpenAI API key.",
1181                " - You can create an API key at: platform.openai.com/api-keys",
1182                " - Make sure your OpenAI account has credits",
1183                " - Having a subscription for another service like GitHub Copilot won't work.",
1184                " ",
1185                "Paste your OpenAI API key and press Enter to use the assistant:"
1186            ];
1187
1188            v_flex()
1189                .p_4()
1190                .size_full()
1191                .on_action(cx.listener(AssistantPanel::save_credentials))
1192                .track_focus(&self.focus_handle)
1193                .children(
1194                    INSTRUCTIONS.map(|instruction| Label::new(instruction).size(LabelSize::Small)),
1195                )
1196                .child(
1197                    h_flex()
1198                        .w_full()
1199                        .my_2()
1200                        .px_2()
1201                        .py_1()
1202                        .bg(cx.theme().colors().editor_background)
1203                        .rounded_md()
1204                        .child(self.render_api_key_editor(&api_key_editor, cx)),
1205                )
1206                .child(
1207                    h_flex()
1208                        .gap_2()
1209                        .child(Label::new("Click on").size(LabelSize::Small))
1210                        .child(Icon::new(IconName::Ai).size(IconSize::XSmall))
1211                        .child(
1212                            Label::new("in the status bar to close this panel.")
1213                                .size(LabelSize::Small),
1214                        ),
1215                )
1216        } else {
1217            let header = TabBar::new("assistant_header")
1218                .start_child(
1219                    h_flex().gap_1().child(Self::render_hamburger_button(cx)), // .children(title),
1220                )
1221                .children(self.active_editor().map(|editor| {
1222                    h_flex()
1223                        .h(rems(Tab::CONTAINER_HEIGHT_IN_REMS))
1224                        .flex_1()
1225                        .px_2()
1226                        .child(Label::new(editor.read(cx).title(cx)).into_element())
1227                }))
1228                .when(self.focus_handle.contains_focused(cx), |this| {
1229                    this.end_child(
1230                        h_flex()
1231                            .gap_2()
1232                            .when(self.active_editor().is_some(), |this| {
1233                                this.child(h_flex().gap_1().children(self.render_editor_tools(cx)))
1234                                    .child(
1235                                        ui::Divider::vertical()
1236                                            .inset()
1237                                            .color(ui::DividerColor::Border),
1238                                    )
1239                            })
1240                            .child(
1241                                h_flex()
1242                                    .gap_1()
1243                                    .child(Self::render_plus_button(cx))
1244                                    .child(self.render_zoom_button(cx)),
1245                            ),
1246                    )
1247                });
1248
1249            let contents = if self.active_editor().is_some() {
1250                let mut registrar = DivRegistrar::new(
1251                    |panel, cx| panel.toolbar.read(cx).item_of_type::<BufferSearchBar>(),
1252                    cx,
1253                );
1254                BufferSearchBar::register(&mut registrar);
1255                registrar.into_div()
1256            } else {
1257                div()
1258            };
1259            v_flex()
1260                .key_context("AssistantPanel")
1261                .size_full()
1262                .on_action(cx.listener(|this, _: &workspace::NewFile, cx| {
1263                    this.new_conversation(cx);
1264                }))
1265                .on_action(cx.listener(AssistantPanel::reset_credentials))
1266                .on_action(cx.listener(AssistantPanel::toggle_zoom))
1267                .on_action(cx.listener(AssistantPanel::deploy))
1268                .on_action(cx.listener(AssistantPanel::select_next_match))
1269                .on_action(cx.listener(AssistantPanel::select_prev_match))
1270                .on_action(cx.listener(AssistantPanel::handle_editor_cancel))
1271                .track_focus(&self.focus_handle)
1272                .child(header)
1273                .children(if self.toolbar.read(cx).hidden() {
1274                    None
1275                } else {
1276                    Some(self.toolbar.clone())
1277                })
1278                .child(
1279                    contents
1280                        .flex_1()
1281                        .child(if let Some(editor) = self.active_editor() {
1282                            editor.clone().into_any_element()
1283                        } else {
1284                            let view = cx.view().clone();
1285                            let scroll_handle = self.saved_conversations_scroll_handle.clone();
1286                            let conversation_count = self.saved_conversations.len();
1287                            canvas(
1288                                move |bounds, cx| {
1289                                    let mut list = uniform_list(
1290                                        view,
1291                                        "saved_conversations",
1292                                        conversation_count,
1293                                        |this, range, cx| {
1294                                            range
1295                                                .map(|ix| this.render_saved_conversation(ix, cx))
1296                                                .collect()
1297                                        },
1298                                    )
1299                                    .track_scroll(scroll_handle)
1300                                    .into_any_element();
1301                                    list.layout(bounds.origin, bounds.size.into(), cx);
1302                                    list
1303                                },
1304                                |_bounds, mut list, cx| list.paint(cx),
1305                            )
1306                            .size_full()
1307                            .into_any_element()
1308                        }),
1309                )
1310        }
1311    }
1312}
1313
1314impl Panel for AssistantPanel {
1315    fn persistent_name() -> &'static str {
1316        "AssistantPanel"
1317    }
1318
1319    fn position(&self, cx: &WindowContext) -> DockPosition {
1320        match AssistantSettings::get_global(cx).dock {
1321            AssistantDockPosition::Left => DockPosition::Left,
1322            AssistantDockPosition::Bottom => DockPosition::Bottom,
1323            AssistantDockPosition::Right => DockPosition::Right,
1324        }
1325    }
1326
1327    fn position_is_valid(&self, _: DockPosition) -> bool {
1328        true
1329    }
1330
1331    fn set_position(&mut self, position: DockPosition, cx: &mut ViewContext<Self>) {
1332        settings::update_settings_file::<AssistantSettings>(self.fs.clone(), cx, move |settings| {
1333            let dock = match position {
1334                DockPosition::Left => AssistantDockPosition::Left,
1335                DockPosition::Bottom => AssistantDockPosition::Bottom,
1336                DockPosition::Right => AssistantDockPosition::Right,
1337            };
1338            settings.dock = Some(dock);
1339        });
1340    }
1341
1342    fn size(&self, cx: &WindowContext) -> Pixels {
1343        let settings = AssistantSettings::get_global(cx);
1344        match self.position(cx) {
1345            DockPosition::Left | DockPosition::Right => {
1346                self.width.unwrap_or_else(|| settings.default_width)
1347            }
1348            DockPosition::Bottom => self.height.unwrap_or_else(|| settings.default_height),
1349        }
1350    }
1351
1352    fn set_size(&mut self, size: Option<Pixels>, cx: &mut ViewContext<Self>) {
1353        match self.position(cx) {
1354            DockPosition::Left | DockPosition::Right => self.width = size,
1355            DockPosition::Bottom => self.height = size,
1356        }
1357        cx.notify();
1358    }
1359
1360    fn is_zoomed(&self, _: &WindowContext) -> bool {
1361        self.zoomed
1362    }
1363
1364    fn set_zoomed(&mut self, zoomed: bool, cx: &mut ViewContext<Self>) {
1365        self.zoomed = zoomed;
1366        cx.notify();
1367    }
1368
1369    fn set_active(&mut self, active: bool, cx: &mut ViewContext<Self>) {
1370        if active {
1371            let load_credentials = self.load_credentials(cx);
1372            cx.spawn(|this, mut cx| async move {
1373                load_credentials.await;
1374                this.update(&mut cx, |this, cx| {
1375                    if !this.has_credentials() {
1376                        this.build_api_key_editor(cx);
1377                    } else if this.editors.is_empty() {
1378                        this.new_conversation(cx);
1379                    }
1380                })
1381            })
1382            .detach_and_log_err(cx);
1383        }
1384    }
1385
1386    fn icon(&self, cx: &WindowContext) -> Option<IconName> {
1387        Some(IconName::Ai).filter(|_| AssistantSettings::get_global(cx).button)
1388    }
1389
1390    fn icon_tooltip(&self, _cx: &WindowContext) -> Option<&'static str> {
1391        Some("Assistant Panel")
1392    }
1393
1394    fn toggle_action(&self) -> Box<dyn Action> {
1395        Box::new(ToggleFocus)
1396    }
1397}
1398
1399impl EventEmitter<PanelEvent> for AssistantPanel {}
1400
1401impl FocusableView for AssistantPanel {
1402    fn focus_handle(&self, _cx: &AppContext) -> FocusHandle {
1403        self.focus_handle.clone()
1404    }
1405}
1406
1407enum ConversationEvent {
1408    MessagesEdited,
1409    SummaryChanged,
1410    StreamedCompletion,
1411}
1412
1413#[derive(Default)]
1414struct Summary {
1415    text: String,
1416    done: bool,
1417}
1418
1419struct Conversation {
1420    id: Option<String>,
1421    buffer: Model<Buffer>,
1422    message_anchors: Vec<MessageAnchor>,
1423    messages_metadata: HashMap<MessageId, MessageMetadata>,
1424    next_message_id: MessageId,
1425    summary: Option<Summary>,
1426    pending_summary: Task<Option<()>>,
1427    completion_count: usize,
1428    pending_completions: Vec<PendingCompletion>,
1429    model: OpenAiModel,
1430    api_url: Option<String>,
1431    token_count: Option<usize>,
1432    max_token_count: usize,
1433    pending_token_count: Task<Option<()>>,
1434    pending_save: Task<Result<()>>,
1435    path: Option<PathBuf>,
1436    _subscriptions: Vec<Subscription>,
1437    completion_provider: Arc<dyn CompletionProvider>,
1438}
1439
1440impl EventEmitter<ConversationEvent> for Conversation {}
1441
1442impl Conversation {
1443    fn new(
1444        language_registry: Arc<LanguageRegistry>,
1445        cx: &mut ModelContext<Self>,
1446        completion_provider: Arc<dyn CompletionProvider>,
1447    ) -> Self {
1448        let markdown = language_registry.language_for_name("Markdown");
1449        let buffer = cx.new_model(|cx| {
1450            let mut buffer = Buffer::new(0, BufferId::new(cx.entity_id().as_u64()).unwrap(), "");
1451            buffer.set_language_registry(language_registry);
1452            cx.spawn(|buffer, mut cx| async move {
1453                let markdown = markdown.await?;
1454                buffer.update(&mut cx, |buffer: &mut Buffer, cx| {
1455                    buffer.set_language(Some(markdown), cx)
1456                })?;
1457                anyhow::Ok(())
1458            })
1459            .detach_and_log_err(cx);
1460            buffer
1461        });
1462
1463        let settings = AssistantSettings::get_global(cx);
1464        let model = settings
1465            .provider_model()
1466            .log_err()
1467            .unwrap_or(OpenAiModel::FourTurbo);
1468        let api_url = settings
1469            .provider_api_url()
1470            .log_err()
1471            .unwrap_or_else(|| OPEN_AI_API_URL.to_string());
1472
1473        let mut this = Self {
1474            id: Some(Uuid::new_v4().to_string()),
1475            message_anchors: Default::default(),
1476            messages_metadata: Default::default(),
1477            next_message_id: Default::default(),
1478            summary: None,
1479            pending_summary: Task::ready(None),
1480            completion_count: Default::default(),
1481            pending_completions: Default::default(),
1482            token_count: None,
1483            max_token_count: tiktoken_rs::model::get_context_size(&model.full_name()),
1484            pending_token_count: Task::ready(None),
1485            api_url: Some(api_url),
1486            model,
1487            _subscriptions: vec![cx.subscribe(&buffer, Self::handle_buffer_event)],
1488            pending_save: Task::ready(Ok(())),
1489            path: None,
1490            buffer,
1491            completion_provider,
1492        };
1493        let message = MessageAnchor {
1494            id: MessageId(post_inc(&mut this.next_message_id.0)),
1495            start: language::Anchor::MIN,
1496        };
1497        this.message_anchors.push(message.clone());
1498        this.messages_metadata.insert(
1499            message.id,
1500            MessageMetadata {
1501                role: Role::User,
1502                sent_at: Local::now(),
1503                status: MessageStatus::Done,
1504            },
1505        );
1506
1507        this.count_remaining_tokens(cx);
1508        this
1509    }
1510
1511    fn serialize(&self, cx: &AppContext) -> SavedConversation {
1512        SavedConversation {
1513            id: self.id.clone(),
1514            zed: "conversation".into(),
1515            version: SavedConversation::VERSION.into(),
1516            text: self.buffer.read(cx).text(),
1517            message_metadata: self.messages_metadata.clone(),
1518            messages: self
1519                .messages(cx)
1520                .map(|message| SavedMessage {
1521                    id: message.id,
1522                    start: message.offset_range.start,
1523                })
1524                .collect(),
1525            summary: self
1526                .summary
1527                .as_ref()
1528                .map(|summary| summary.text.clone())
1529                .unwrap_or_default(),
1530            model: self.model,
1531            api_url: self.api_url.clone(),
1532        }
1533    }
1534
1535    async fn deserialize(
1536        saved_conversation: SavedConversation,
1537        path: PathBuf,
1538        language_registry: Arc<LanguageRegistry>,
1539        cx: &mut AsyncAppContext,
1540    ) -> Result<Model<Self>> {
1541        let id = match saved_conversation.id {
1542            Some(id) => Some(id),
1543            None => Some(Uuid::new_v4().to_string()),
1544        };
1545        let model = saved_conversation.model;
1546        let api_url = saved_conversation.api_url;
1547        let completion_provider: Arc<dyn CompletionProvider> = Arc::new(
1548            OpenAiCompletionProvider::new(
1549                api_url
1550                    .clone()
1551                    .unwrap_or_else(|| OPEN_AI_API_URL.to_string()),
1552                OpenAiCompletionProviderKind::OpenAi,
1553                model.full_name().into(),
1554                cx.background_executor().clone(),
1555            )
1556            .await,
1557        );
1558        cx.update(|cx| completion_provider.retrieve_credentials(cx))?
1559            .await;
1560
1561        let markdown = language_registry.language_for_name("Markdown");
1562        let mut message_anchors = Vec::new();
1563        let mut next_message_id = MessageId(0);
1564        let buffer = cx.new_model(|cx| {
1565            let mut buffer = Buffer::new(
1566                0,
1567                BufferId::new(cx.entity_id().as_u64()).unwrap(),
1568                saved_conversation.text,
1569            );
1570            for message in saved_conversation.messages {
1571                message_anchors.push(MessageAnchor {
1572                    id: message.id,
1573                    start: buffer.anchor_before(message.start),
1574                });
1575                next_message_id = cmp::max(next_message_id, MessageId(message.id.0 + 1));
1576            }
1577            buffer.set_language_registry(language_registry);
1578            cx.spawn(|buffer, mut cx| async move {
1579                let markdown = markdown.await?;
1580                buffer.update(&mut cx, |buffer: &mut Buffer, cx| {
1581                    buffer.set_language(Some(markdown), cx)
1582                })?;
1583                anyhow::Ok(())
1584            })
1585            .detach_and_log_err(cx);
1586            buffer
1587        })?;
1588
1589        cx.new_model(|cx| {
1590            let mut this = Self {
1591                id,
1592                message_anchors,
1593                messages_metadata: saved_conversation.message_metadata,
1594                next_message_id,
1595                summary: Some(Summary {
1596                    text: saved_conversation.summary,
1597                    done: true,
1598                }),
1599                pending_summary: Task::ready(None),
1600                completion_count: Default::default(),
1601                pending_completions: Default::default(),
1602                token_count: None,
1603                max_token_count: tiktoken_rs::model::get_context_size(&model.full_name()),
1604                pending_token_count: Task::ready(None),
1605                api_url,
1606                model,
1607                _subscriptions: vec![cx.subscribe(&buffer, Self::handle_buffer_event)],
1608                pending_save: Task::ready(Ok(())),
1609                path: Some(path),
1610                buffer,
1611                completion_provider,
1612            };
1613            this.count_remaining_tokens(cx);
1614            this
1615        })
1616    }
1617
1618    fn handle_buffer_event(
1619        &mut self,
1620        _: Model<Buffer>,
1621        event: &language::Event,
1622        cx: &mut ModelContext<Self>,
1623    ) {
1624        match event {
1625            language::Event::Edited => {
1626                self.count_remaining_tokens(cx);
1627                cx.emit(ConversationEvent::MessagesEdited);
1628            }
1629            _ => {}
1630        }
1631    }
1632
1633    fn count_remaining_tokens(&mut self, cx: &mut ModelContext<Self>) {
1634        let messages = self
1635            .messages(cx)
1636            .map(|message| tiktoken_rs::ChatCompletionRequestMessage {
1637                role: match message.role {
1638                    Role::User => "user".into(),
1639                    Role::Assistant => "assistant".into(),
1640                    Role::System => "system".into(),
1641                },
1642                content: Some(
1643                    self.buffer
1644                        .read(cx)
1645                        .text_for_range(message.offset_range)
1646                        .collect(),
1647                ),
1648                name: None,
1649                function_call: None,
1650            })
1651            .collect::<Vec<_>>();
1652        let model = self.model;
1653        self.pending_token_count = cx.spawn(|this, mut cx| {
1654            async move {
1655                cx.background_executor()
1656                    .timer(Duration::from_millis(200))
1657                    .await;
1658                let token_count = cx
1659                    .background_executor()
1660                    .spawn(async move {
1661                        tiktoken_rs::num_tokens_from_messages(&model.full_name(), &messages)
1662                    })
1663                    .await?;
1664
1665                this.update(&mut cx, |this, cx| {
1666                    this.max_token_count =
1667                        tiktoken_rs::model::get_context_size(&this.model.full_name());
1668                    this.token_count = Some(token_count);
1669                    cx.notify()
1670                })?;
1671                anyhow::Ok(())
1672            }
1673            .log_err()
1674        });
1675    }
1676
1677    fn remaining_tokens(&self) -> Option<isize> {
1678        Some(self.max_token_count as isize - self.token_count? as isize)
1679    }
1680
1681    fn set_model(&mut self, model: OpenAiModel, cx: &mut ModelContext<Self>) {
1682        self.model = model;
1683        self.count_remaining_tokens(cx);
1684        cx.notify();
1685    }
1686
1687    fn assist(
1688        &mut self,
1689        selected_messages: HashSet<MessageId>,
1690        cx: &mut ModelContext<Self>,
1691    ) -> Vec<MessageAnchor> {
1692        let mut user_messages = Vec::new();
1693
1694        let last_message_id = if let Some(last_message_id) =
1695            self.message_anchors.iter().rev().find_map(|message| {
1696                message
1697                    .start
1698                    .is_valid(self.buffer.read(cx))
1699                    .then_some(message.id)
1700            }) {
1701            last_message_id
1702        } else {
1703            return Default::default();
1704        };
1705
1706        let mut should_assist = false;
1707        for selected_message_id in selected_messages {
1708            let selected_message_role =
1709                if let Some(metadata) = self.messages_metadata.get(&selected_message_id) {
1710                    metadata.role
1711                } else {
1712                    continue;
1713                };
1714
1715            if selected_message_role == Role::Assistant {
1716                if let Some(user_message) = self.insert_message_after(
1717                    selected_message_id,
1718                    Role::User,
1719                    MessageStatus::Done,
1720                    cx,
1721                ) {
1722                    user_messages.push(user_message);
1723                }
1724            } else {
1725                should_assist = true;
1726            }
1727        }
1728
1729        if should_assist {
1730            if !self.completion_provider.has_credentials() {
1731                log::info!("completion provider has no credentials");
1732                return Default::default();
1733            }
1734
1735            let request: Box<dyn CompletionRequest> = Box::new(OpenAiRequest {
1736                model: self.model.full_name().to_string(),
1737                messages: self
1738                    .messages(cx)
1739                    .filter(|message| matches!(message.status, MessageStatus::Done))
1740                    .map(|message| message.to_open_ai_message(self.buffer.read(cx)))
1741                    .collect(),
1742                stream: true,
1743                stop: vec![],
1744                temperature: 1.0,
1745            });
1746
1747            let stream = self.completion_provider.complete(request);
1748            let assistant_message = self
1749                .insert_message_after(last_message_id, Role::Assistant, MessageStatus::Pending, cx)
1750                .unwrap();
1751
1752            // Queue up the user's next reply.
1753            let user_message = self
1754                .insert_message_after(assistant_message.id, Role::User, MessageStatus::Done, cx)
1755                .unwrap();
1756            user_messages.push(user_message);
1757
1758            let task = cx.spawn({
1759                |this, mut cx| async move {
1760                    let assistant_message_id = assistant_message.id;
1761                    let stream_completion = async {
1762                        let mut messages = stream.await?;
1763
1764                        while let Some(message) = messages.next().await {
1765                            let text = message?;
1766
1767                            this.update(&mut cx, |this, cx| {
1768                                let message_ix = this
1769                                    .message_anchors
1770                                    .iter()
1771                                    .position(|message| message.id == assistant_message_id)?;
1772                                this.buffer.update(cx, |buffer, cx| {
1773                                    let offset = this.message_anchors[message_ix + 1..]
1774                                        .iter()
1775                                        .find(|message| message.start.is_valid(buffer))
1776                                        .map_or(buffer.len(), |message| {
1777                                            message.start.to_offset(buffer).saturating_sub(1)
1778                                        });
1779                                    buffer.edit([(offset..offset, text)], None, cx);
1780                                });
1781                                cx.emit(ConversationEvent::StreamedCompletion);
1782
1783                                Some(())
1784                            })?;
1785                            smol::future::yield_now().await;
1786                        }
1787
1788                        this.update(&mut cx, |this, cx| {
1789                            this.pending_completions
1790                                .retain(|completion| completion.id != this.completion_count);
1791                            this.summarize(cx);
1792                        })?;
1793
1794                        anyhow::Ok(())
1795                    };
1796
1797                    let result = stream_completion.await;
1798
1799                    this.update(&mut cx, |this, cx| {
1800                        if let Some(metadata) =
1801                            this.messages_metadata.get_mut(&assistant_message.id)
1802                        {
1803                            match result {
1804                                Ok(_) => {
1805                                    metadata.status = MessageStatus::Done;
1806                                }
1807                                Err(error) => {
1808                                    metadata.status = MessageStatus::Error(SharedString::from(
1809                                        error.to_string().trim().to_string(),
1810                                    ));
1811                                }
1812                            }
1813                            cx.notify();
1814                        }
1815                    })
1816                    .ok();
1817                }
1818            });
1819
1820            self.pending_completions.push(PendingCompletion {
1821                id: post_inc(&mut self.completion_count),
1822                _task: task,
1823            });
1824        }
1825
1826        user_messages
1827    }
1828
1829    fn cancel_last_assist(&mut self) -> bool {
1830        self.pending_completions.pop().is_some()
1831    }
1832
1833    fn cycle_message_roles(&mut self, ids: HashSet<MessageId>, cx: &mut ModelContext<Self>) {
1834        for id in ids {
1835            if let Some(metadata) = self.messages_metadata.get_mut(&id) {
1836                metadata.role.cycle();
1837                cx.emit(ConversationEvent::MessagesEdited);
1838                cx.notify();
1839            }
1840        }
1841    }
1842
1843    fn insert_message_after(
1844        &mut self,
1845        message_id: MessageId,
1846        role: Role,
1847        status: MessageStatus,
1848        cx: &mut ModelContext<Self>,
1849    ) -> Option<MessageAnchor> {
1850        if let Some(prev_message_ix) = self
1851            .message_anchors
1852            .iter()
1853            .position(|message| message.id == message_id)
1854        {
1855            // Find the next valid message after the one we were given.
1856            let mut next_message_ix = prev_message_ix + 1;
1857            while let Some(next_message) = self.message_anchors.get(next_message_ix) {
1858                if next_message.start.is_valid(self.buffer.read(cx)) {
1859                    break;
1860                }
1861                next_message_ix += 1;
1862            }
1863
1864            let start = self.buffer.update(cx, |buffer, cx| {
1865                let offset = self
1866                    .message_anchors
1867                    .get(next_message_ix)
1868                    .map_or(buffer.len(), |message| message.start.to_offset(buffer) - 1);
1869                buffer.edit([(offset..offset, "\n")], None, cx);
1870                buffer.anchor_before(offset + 1)
1871            });
1872            let message = MessageAnchor {
1873                id: MessageId(post_inc(&mut self.next_message_id.0)),
1874                start,
1875            };
1876            self.message_anchors
1877                .insert(next_message_ix, message.clone());
1878            self.messages_metadata.insert(
1879                message.id,
1880                MessageMetadata {
1881                    role,
1882                    sent_at: Local::now(),
1883                    status,
1884                },
1885            );
1886            cx.emit(ConversationEvent::MessagesEdited);
1887            Some(message)
1888        } else {
1889            None
1890        }
1891    }
1892
1893    fn split_message(
1894        &mut self,
1895        range: Range<usize>,
1896        cx: &mut ModelContext<Self>,
1897    ) -> (Option<MessageAnchor>, Option<MessageAnchor>) {
1898        let start_message = self.message_for_offset(range.start, cx);
1899        let end_message = self.message_for_offset(range.end, cx);
1900        if let Some((start_message, end_message)) = start_message.zip(end_message) {
1901            // Prevent splitting when range spans multiple messages.
1902            if start_message.id != end_message.id {
1903                return (None, None);
1904            }
1905
1906            let message = start_message;
1907            let role = message.role;
1908            let mut edited_buffer = false;
1909
1910            let mut suffix_start = None;
1911            if range.start > message.offset_range.start && range.end < message.offset_range.end - 1
1912            {
1913                if self.buffer.read(cx).chars_at(range.end).next() == Some('\n') {
1914                    suffix_start = Some(range.end + 1);
1915                } else if self.buffer.read(cx).reversed_chars_at(range.end).next() == Some('\n') {
1916                    suffix_start = Some(range.end);
1917                }
1918            }
1919
1920            let suffix = if let Some(suffix_start) = suffix_start {
1921                MessageAnchor {
1922                    id: MessageId(post_inc(&mut self.next_message_id.0)),
1923                    start: self.buffer.read(cx).anchor_before(suffix_start),
1924                }
1925            } else {
1926                self.buffer.update(cx, |buffer, cx| {
1927                    buffer.edit([(range.end..range.end, "\n")], None, cx);
1928                });
1929                edited_buffer = true;
1930                MessageAnchor {
1931                    id: MessageId(post_inc(&mut self.next_message_id.0)),
1932                    start: self.buffer.read(cx).anchor_before(range.end + 1),
1933                }
1934            };
1935
1936            self.message_anchors
1937                .insert(message.index_range.end + 1, suffix.clone());
1938            self.messages_metadata.insert(
1939                suffix.id,
1940                MessageMetadata {
1941                    role,
1942                    sent_at: Local::now(),
1943                    status: MessageStatus::Done,
1944                },
1945            );
1946
1947            let new_messages =
1948                if range.start == range.end || range.start == message.offset_range.start {
1949                    (None, Some(suffix))
1950                } else {
1951                    let mut prefix_end = None;
1952                    if range.start > message.offset_range.start
1953                        && range.end < message.offset_range.end - 1
1954                    {
1955                        if self.buffer.read(cx).chars_at(range.start).next() == Some('\n') {
1956                            prefix_end = Some(range.start + 1);
1957                        } else if self.buffer.read(cx).reversed_chars_at(range.start).next()
1958                            == Some('\n')
1959                        {
1960                            prefix_end = Some(range.start);
1961                        }
1962                    }
1963
1964                    let selection = if let Some(prefix_end) = prefix_end {
1965                        cx.emit(ConversationEvent::MessagesEdited);
1966                        MessageAnchor {
1967                            id: MessageId(post_inc(&mut self.next_message_id.0)),
1968                            start: self.buffer.read(cx).anchor_before(prefix_end),
1969                        }
1970                    } else {
1971                        self.buffer.update(cx, |buffer, cx| {
1972                            buffer.edit([(range.start..range.start, "\n")], None, cx)
1973                        });
1974                        edited_buffer = true;
1975                        MessageAnchor {
1976                            id: MessageId(post_inc(&mut self.next_message_id.0)),
1977                            start: self.buffer.read(cx).anchor_before(range.end + 1),
1978                        }
1979                    };
1980
1981                    self.message_anchors
1982                        .insert(message.index_range.end + 1, selection.clone());
1983                    self.messages_metadata.insert(
1984                        selection.id,
1985                        MessageMetadata {
1986                            role,
1987                            sent_at: Local::now(),
1988                            status: MessageStatus::Done,
1989                        },
1990                    );
1991                    (Some(selection), Some(suffix))
1992                };
1993
1994            if !edited_buffer {
1995                cx.emit(ConversationEvent::MessagesEdited);
1996            }
1997            new_messages
1998        } else {
1999            (None, None)
2000        }
2001    }
2002
2003    fn summarize(&mut self, cx: &mut ModelContext<Self>) {
2004        if self.message_anchors.len() >= 2 && self.summary.is_none() {
2005            if !self.completion_provider.has_credentials() {
2006                return;
2007            }
2008
2009            let messages = self
2010                .messages(cx)
2011                .take(2)
2012                .map(|message| message.to_open_ai_message(self.buffer.read(cx)))
2013                .chain(Some(RequestMessage {
2014                    role: Role::User,
2015                    content: "Summarize the conversation into a short title without punctuation"
2016                        .into(),
2017                }));
2018            let request: Box<dyn CompletionRequest> = Box::new(OpenAiRequest {
2019                model: self.model.full_name().to_string(),
2020                messages: messages.collect(),
2021                stream: true,
2022                stop: vec![],
2023                temperature: 1.0,
2024            });
2025
2026            let stream = self.completion_provider.complete(request);
2027            self.pending_summary = cx.spawn(|this, mut cx| {
2028                async move {
2029                    let mut messages = stream.await?;
2030
2031                    while let Some(message) = messages.next().await {
2032                        let text = message?;
2033                        this.update(&mut cx, |this, cx| {
2034                            this.summary
2035                                .get_or_insert(Default::default())
2036                                .text
2037                                .push_str(&text);
2038                            cx.emit(ConversationEvent::SummaryChanged);
2039                        })?;
2040                    }
2041
2042                    this.update(&mut cx, |this, cx| {
2043                        if let Some(summary) = this.summary.as_mut() {
2044                            summary.done = true;
2045                            cx.emit(ConversationEvent::SummaryChanged);
2046                        }
2047                    })?;
2048
2049                    anyhow::Ok(())
2050                }
2051                .log_err()
2052            });
2053        }
2054    }
2055
2056    fn message_for_offset(&self, offset: usize, cx: &AppContext) -> Option<Message> {
2057        self.messages_for_offsets([offset], cx).pop()
2058    }
2059
2060    fn messages_for_offsets(
2061        &self,
2062        offsets: impl IntoIterator<Item = usize>,
2063        cx: &AppContext,
2064    ) -> Vec<Message> {
2065        let mut result = Vec::new();
2066
2067        let mut messages = self.messages(cx).peekable();
2068        let mut offsets = offsets.into_iter().peekable();
2069        let mut current_message = messages.next();
2070        while let Some(offset) = offsets.next() {
2071            // Locate the message that contains the offset.
2072            while current_message.as_ref().map_or(false, |message| {
2073                !message.offset_range.contains(&offset) && messages.peek().is_some()
2074            }) {
2075                current_message = messages.next();
2076            }
2077            let Some(message) = current_message.as_ref() else {
2078                break;
2079            };
2080
2081            // Skip offsets that are in the same message.
2082            while offsets.peek().map_or(false, |offset| {
2083                message.offset_range.contains(offset) || messages.peek().is_none()
2084            }) {
2085                offsets.next();
2086            }
2087
2088            result.push(message.clone());
2089        }
2090        result
2091    }
2092
2093    fn messages<'a>(&'a self, cx: &'a AppContext) -> impl 'a + Iterator<Item = Message> {
2094        let buffer = self.buffer.read(cx);
2095        let mut message_anchors = self.message_anchors.iter().enumerate().peekable();
2096        iter::from_fn(move || {
2097            while let Some((start_ix, message_anchor)) = message_anchors.next() {
2098                let metadata = self.messages_metadata.get(&message_anchor.id)?;
2099                let message_start = message_anchor.start.to_offset(buffer);
2100                let mut message_end = None;
2101                let mut end_ix = start_ix;
2102                while let Some((_, next_message)) = message_anchors.peek() {
2103                    if next_message.start.is_valid(buffer) {
2104                        message_end = Some(next_message.start);
2105                        break;
2106                    } else {
2107                        end_ix += 1;
2108                        message_anchors.next();
2109                    }
2110                }
2111                let message_end = message_end
2112                    .unwrap_or(language::Anchor::MAX)
2113                    .to_offset(buffer);
2114                return Some(Message {
2115                    index_range: start_ix..end_ix,
2116                    offset_range: message_start..message_end,
2117                    id: message_anchor.id,
2118                    anchor: message_anchor.start,
2119                    role: metadata.role,
2120                    sent_at: metadata.sent_at,
2121                    status: metadata.status.clone(),
2122                });
2123            }
2124            None
2125        })
2126    }
2127
2128    fn save(
2129        &mut self,
2130        debounce: Option<Duration>,
2131        fs: Arc<dyn Fs>,
2132        cx: &mut ModelContext<Conversation>,
2133    ) {
2134        self.pending_save = cx.spawn(|this, mut cx| async move {
2135            if let Some(debounce) = debounce {
2136                cx.background_executor().timer(debounce).await;
2137            }
2138
2139            let (old_path, summary) = this.read_with(&cx, |this, _| {
2140                let path = this.path.clone();
2141                let summary = if let Some(summary) = this.summary.as_ref() {
2142                    if summary.done {
2143                        Some(summary.text.clone())
2144                    } else {
2145                        None
2146                    }
2147                } else {
2148                    None
2149                };
2150                (path, summary)
2151            })?;
2152
2153            if let Some(summary) = summary {
2154                let conversation = this.read_with(&cx, |this, cx| this.serialize(cx))?;
2155                let path = if let Some(old_path) = old_path {
2156                    old_path
2157                } else {
2158                    let mut discriminant = 1;
2159                    let mut new_path;
2160                    loop {
2161                        new_path = CONVERSATIONS_DIR.join(&format!(
2162                            "{} - {}.zed.json",
2163                            summary.trim(),
2164                            discriminant
2165                        ));
2166                        if fs.is_file(&new_path).await {
2167                            discriminant += 1;
2168                        } else {
2169                            break;
2170                        }
2171                    }
2172                    new_path
2173                };
2174
2175                fs.create_dir(CONVERSATIONS_DIR.as_ref()).await?;
2176                fs.atomic_write(path.clone(), serde_json::to_string(&conversation).unwrap())
2177                    .await?;
2178                this.update(&mut cx, |this, _| this.path = Some(path))?;
2179            }
2180
2181            Ok(())
2182        });
2183    }
2184}
2185
2186struct PendingCompletion {
2187    id: usize,
2188    _task: Task<()>,
2189}
2190
2191enum ConversationEditorEvent {
2192    TabContentChanged,
2193}
2194
2195#[derive(Copy, Clone, Debug, PartialEq)]
2196struct ScrollPosition {
2197    offset_before_cursor: gpui::Point<f32>,
2198    cursor: Anchor,
2199}
2200
2201struct ConversationEditor {
2202    conversation: Model<Conversation>,
2203    fs: Arc<dyn Fs>,
2204    workspace: WeakView<Workspace>,
2205    editor: View<Editor>,
2206    blocks: HashSet<BlockId>,
2207    scroll_position: Option<ScrollPosition>,
2208    _subscriptions: Vec<Subscription>,
2209}
2210
2211impl ConversationEditor {
2212    fn new(
2213        completion_provider: Arc<dyn CompletionProvider>,
2214        language_registry: Arc<LanguageRegistry>,
2215        fs: Arc<dyn Fs>,
2216        workspace: WeakView<Workspace>,
2217        cx: &mut ViewContext<Self>,
2218    ) -> Self {
2219        let conversation =
2220            cx.new_model(|cx| Conversation::new(language_registry, cx, completion_provider));
2221        Self::for_conversation(conversation, fs, workspace, cx)
2222    }
2223
2224    fn for_conversation(
2225        conversation: Model<Conversation>,
2226        fs: Arc<dyn Fs>,
2227        workspace: WeakView<Workspace>,
2228        cx: &mut ViewContext<Self>,
2229    ) -> Self {
2230        let editor = cx.new_view(|cx| {
2231            let mut editor = Editor::for_buffer(conversation.read(cx).buffer.clone(), None, cx);
2232            editor.set_soft_wrap_mode(SoftWrap::EditorWidth, cx);
2233            editor.set_show_gutter(false, cx);
2234            editor.set_show_wrap_guides(false, cx);
2235            editor
2236        });
2237
2238        let _subscriptions = vec![
2239            cx.observe(&conversation, |_, _, cx| cx.notify()),
2240            cx.subscribe(&conversation, Self::handle_conversation_event),
2241            cx.subscribe(&editor, Self::handle_editor_event),
2242        ];
2243
2244        let mut this = Self {
2245            conversation,
2246            editor,
2247            blocks: Default::default(),
2248            scroll_position: None,
2249            fs,
2250            workspace,
2251            _subscriptions,
2252        };
2253        this.update_message_headers(cx);
2254        this
2255    }
2256
2257    fn assist(&mut self, _: &Assist, cx: &mut ViewContext<Self>) {
2258        report_assistant_event(
2259            self.workspace.clone(),
2260            self.conversation.read(cx).id.clone(),
2261            AssistantKind::Panel,
2262            cx,
2263        );
2264
2265        let cursors = self.cursors(cx);
2266
2267        let user_messages = self.conversation.update(cx, |conversation, cx| {
2268            let selected_messages = conversation
2269                .messages_for_offsets(cursors, cx)
2270                .into_iter()
2271                .map(|message| message.id)
2272                .collect();
2273            conversation.assist(selected_messages, cx)
2274        });
2275        let new_selections = user_messages
2276            .iter()
2277            .map(|message| {
2278                let cursor = message
2279                    .start
2280                    .to_offset(self.conversation.read(cx).buffer.read(cx));
2281                cursor..cursor
2282            })
2283            .collect::<Vec<_>>();
2284        if !new_selections.is_empty() {
2285            self.editor.update(cx, |editor, cx| {
2286                editor.change_selections(
2287                    Some(Autoscroll::Strategy(AutoscrollStrategy::Fit)),
2288                    cx,
2289                    |selections| selections.select_ranges(new_selections),
2290                );
2291            });
2292            // Avoid scrolling to the new cursor position so the assistant's output is stable.
2293            cx.defer(|this, _| this.scroll_position = None);
2294        }
2295    }
2296
2297    fn cancel_last_assist(&mut self, _: &editor::actions::Cancel, cx: &mut ViewContext<Self>) {
2298        if !self
2299            .conversation
2300            .update(cx, |conversation, _| conversation.cancel_last_assist())
2301        {
2302            cx.propagate();
2303        }
2304    }
2305
2306    fn cycle_message_role(&mut self, _: &CycleMessageRole, cx: &mut ViewContext<Self>) {
2307        let cursors = self.cursors(cx);
2308        self.conversation.update(cx, |conversation, cx| {
2309            let messages = conversation
2310                .messages_for_offsets(cursors, cx)
2311                .into_iter()
2312                .map(|message| message.id)
2313                .collect();
2314            conversation.cycle_message_roles(messages, cx)
2315        });
2316    }
2317
2318    fn cursors(&self, cx: &AppContext) -> Vec<usize> {
2319        let selections = self.editor.read(cx).selections.all::<usize>(cx);
2320        selections
2321            .into_iter()
2322            .map(|selection| selection.head())
2323            .collect()
2324    }
2325
2326    fn handle_conversation_event(
2327        &mut self,
2328        _: Model<Conversation>,
2329        event: &ConversationEvent,
2330        cx: &mut ViewContext<Self>,
2331    ) {
2332        match event {
2333            ConversationEvent::MessagesEdited => {
2334                self.update_message_headers(cx);
2335                self.conversation.update(cx, |conversation, cx| {
2336                    conversation.save(Some(Duration::from_millis(500)), self.fs.clone(), cx);
2337                });
2338            }
2339            ConversationEvent::SummaryChanged => {
2340                cx.emit(ConversationEditorEvent::TabContentChanged);
2341                self.conversation.update(cx, |conversation, cx| {
2342                    conversation.save(None, self.fs.clone(), cx);
2343                });
2344            }
2345            ConversationEvent::StreamedCompletion => {
2346                self.editor.update(cx, |editor, cx| {
2347                    if let Some(scroll_position) = self.scroll_position {
2348                        let snapshot = editor.snapshot(cx);
2349                        let cursor_point = scroll_position.cursor.to_display_point(&snapshot);
2350                        let scroll_top =
2351                            cursor_point.row() as f32 - scroll_position.offset_before_cursor.y;
2352                        editor.set_scroll_position(
2353                            point(scroll_position.offset_before_cursor.x, scroll_top),
2354                            cx,
2355                        );
2356                    }
2357                });
2358            }
2359        }
2360    }
2361
2362    fn handle_editor_event(
2363        &mut self,
2364        _: View<Editor>,
2365        event: &EditorEvent,
2366        cx: &mut ViewContext<Self>,
2367    ) {
2368        match event {
2369            EditorEvent::ScrollPositionChanged { autoscroll, .. } => {
2370                let cursor_scroll_position = self.cursor_scroll_position(cx);
2371                if *autoscroll {
2372                    self.scroll_position = cursor_scroll_position;
2373                } else if self.scroll_position != cursor_scroll_position {
2374                    self.scroll_position = None;
2375                }
2376            }
2377            EditorEvent::SelectionsChanged { .. } => {
2378                self.scroll_position = self.cursor_scroll_position(cx);
2379            }
2380            _ => {}
2381        }
2382    }
2383
2384    fn cursor_scroll_position(&self, cx: &mut ViewContext<Self>) -> Option<ScrollPosition> {
2385        self.editor.update(cx, |editor, cx| {
2386            let snapshot = editor.snapshot(cx);
2387            let cursor = editor.selections.newest_anchor().head();
2388            let cursor_row = cursor.to_display_point(&snapshot.display_snapshot).row() as f32;
2389            let scroll_position = editor
2390                .scroll_manager
2391                .anchor()
2392                .scroll_position(&snapshot.display_snapshot);
2393
2394            let scroll_bottom = scroll_position.y + editor.visible_line_count().unwrap_or(0.);
2395            if (scroll_position.y..scroll_bottom).contains(&cursor_row) {
2396                Some(ScrollPosition {
2397                    cursor,
2398                    offset_before_cursor: point(scroll_position.x, cursor_row - scroll_position.y),
2399                })
2400            } else {
2401                None
2402            }
2403        })
2404    }
2405
2406    fn update_message_headers(&mut self, cx: &mut ViewContext<Self>) {
2407        self.editor.update(cx, |editor, cx| {
2408            let buffer = editor.buffer().read(cx).snapshot(cx);
2409            let excerpt_id = *buffer.as_singleton().unwrap().0;
2410            let old_blocks = std::mem::take(&mut self.blocks);
2411            let new_blocks = self
2412                .conversation
2413                .read(cx)
2414                .messages(cx)
2415                .map(|message| BlockProperties {
2416                    position: buffer
2417                        .anchor_in_excerpt(excerpt_id, message.anchor)
2418                        .unwrap(),
2419                    height: 2,
2420                    style: BlockStyle::Sticky,
2421                    render: Arc::new({
2422                        let conversation = self.conversation.clone();
2423                        move |_cx| {
2424                            let message_id = message.id;
2425                            let sender = ButtonLike::new("role")
2426                                .style(ButtonStyle::Filled)
2427                                .child(match message.role {
2428                                    Role::User => Label::new("You").color(Color::Default),
2429                                    Role::Assistant => Label::new("Assistant").color(Color::Info),
2430                                    Role::System => Label::new("System").color(Color::Warning),
2431                                })
2432                                .tooltip(|cx| {
2433                                    Tooltip::with_meta(
2434                                        "Toggle message role",
2435                                        None,
2436                                        "Available roles: You (User), Assistant, System",
2437                                        cx,
2438                                    )
2439                                })
2440                                .on_click({
2441                                    let conversation = conversation.clone();
2442                                    move |_, cx| {
2443                                        conversation.update(cx, |conversation, cx| {
2444                                            conversation.cycle_message_roles(
2445                                                HashSet::from_iter(Some(message_id)),
2446                                                cx,
2447                                            )
2448                                        })
2449                                    }
2450                                });
2451
2452                            h_flex()
2453                                .id(("message_header", message_id.0))
2454                                .h_11()
2455                                .relative()
2456                                .gap_1()
2457                                .child(sender)
2458                                // TODO: Only show this if the message if the message has been sent
2459                                .child(
2460                                    Label::new(
2461                                        FormatDistance::from_now(DateTimeType::Local(
2462                                            message.sent_at,
2463                                        ))
2464                                        .hide_prefix(true)
2465                                        .add_suffix(true)
2466                                        .to_string(),
2467                                    )
2468                                    .size(LabelSize::XSmall)
2469                                    .color(Color::Muted),
2470                                )
2471                                .children(
2472                                    if let MessageStatus::Error(error) = message.status.clone() {
2473                                        Some(
2474                                            div()
2475                                                .id("error")
2476                                                .tooltip(move |cx| Tooltip::text(error.clone(), cx))
2477                                                .child(Icon::new(IconName::XCircle)),
2478                                        )
2479                                    } else {
2480                                        None
2481                                    },
2482                                )
2483                                .into_any_element()
2484                        }
2485                    }),
2486                    disposition: BlockDisposition::Above,
2487                })
2488                .collect::<Vec<_>>();
2489
2490            editor.remove_blocks(old_blocks, None, cx);
2491            let ids = editor.insert_blocks(new_blocks, None, cx);
2492            self.blocks = HashSet::from_iter(ids);
2493        });
2494    }
2495
2496    fn quote_selection(
2497        workspace: &mut Workspace,
2498        _: &QuoteSelection,
2499        cx: &mut ViewContext<Workspace>,
2500    ) {
2501        let Some(panel) = workspace.panel::<AssistantPanel>(cx) else {
2502            return;
2503        };
2504        let Some(editor) = workspace
2505            .active_item(cx)
2506            .and_then(|item| item.act_as::<Editor>(cx))
2507        else {
2508            return;
2509        };
2510
2511        let editor = editor.read(cx);
2512        let range = editor.selections.newest::<usize>(cx).range();
2513        let buffer = editor.buffer().read(cx).snapshot(cx);
2514        let start_language = buffer.language_at(range.start);
2515        let end_language = buffer.language_at(range.end);
2516        let language_name = if start_language == end_language {
2517            start_language.map(|language| language.name())
2518        } else {
2519            None
2520        };
2521        let language_name = language_name.as_deref().unwrap_or("").to_lowercase();
2522
2523        let selected_text = buffer.text_for_range(range).collect::<String>();
2524        let text = if selected_text.is_empty() {
2525            None
2526        } else {
2527            Some(if language_name == "markdown" {
2528                selected_text
2529                    .lines()
2530                    .map(|line| format!("> {}", line))
2531                    .collect::<Vec<_>>()
2532                    .join("\n")
2533            } else {
2534                format!("```{language_name}\n{selected_text}\n```")
2535            })
2536        };
2537
2538        // Activate the panel
2539        if !panel.focus_handle(cx).contains_focused(cx) {
2540            workspace.toggle_panel_focus::<AssistantPanel>(cx);
2541        }
2542
2543        if let Some(text) = text {
2544            panel.update(cx, |panel, cx| {
2545                let conversation = panel
2546                    .active_editor()
2547                    .cloned()
2548                    .unwrap_or_else(|| panel.new_conversation(cx));
2549                conversation.update(cx, |conversation, cx| {
2550                    conversation
2551                        .editor
2552                        .update(cx, |editor, cx| editor.insert(&text, cx))
2553                });
2554            });
2555        }
2556    }
2557
2558    fn copy(&mut self, _: &editor::actions::Copy, cx: &mut ViewContext<Self>) {
2559        let editor = self.editor.read(cx);
2560        let conversation = self.conversation.read(cx);
2561        if editor.selections.count() == 1 {
2562            let selection = editor.selections.newest::<usize>(cx);
2563            let mut copied_text = String::new();
2564            let mut spanned_messages = 0;
2565            for message in conversation.messages(cx) {
2566                if message.offset_range.start >= selection.range().end {
2567                    break;
2568                } else if message.offset_range.end >= selection.range().start {
2569                    let range = cmp::max(message.offset_range.start, selection.range().start)
2570                        ..cmp::min(message.offset_range.end, selection.range().end);
2571                    if !range.is_empty() {
2572                        spanned_messages += 1;
2573                        write!(&mut copied_text, "## {}\n\n", message.role).unwrap();
2574                        for chunk in conversation.buffer.read(cx).text_for_range(range) {
2575                            copied_text.push_str(&chunk);
2576                        }
2577                        copied_text.push('\n');
2578                    }
2579                }
2580            }
2581
2582            if spanned_messages > 1 {
2583                cx.write_to_clipboard(ClipboardItem::new(copied_text));
2584                return;
2585            }
2586        }
2587
2588        cx.propagate();
2589    }
2590
2591    fn split(&mut self, _: &Split, cx: &mut ViewContext<Self>) {
2592        self.conversation.update(cx, |conversation, cx| {
2593            let selections = self.editor.read(cx).selections.disjoint_anchors();
2594            for selection in selections.into_iter() {
2595                let buffer = self.editor.read(cx).buffer().read(cx).snapshot(cx);
2596                let range = selection
2597                    .map(|endpoint| endpoint.to_offset(&buffer))
2598                    .range();
2599                conversation.split_message(range, cx);
2600            }
2601        });
2602    }
2603
2604    fn save(&mut self, _: &Save, cx: &mut ViewContext<Self>) {
2605        self.conversation.update(cx, |conversation, cx| {
2606            conversation.save(None, self.fs.clone(), cx)
2607        });
2608    }
2609
2610    fn cycle_model(&mut self, cx: &mut ViewContext<Self>) {
2611        self.conversation.update(cx, |conversation, cx| {
2612            let new_model = conversation.model.cycle();
2613            conversation.set_model(new_model, cx);
2614        });
2615    }
2616
2617    fn title(&self, cx: &AppContext) -> String {
2618        self.conversation
2619            .read(cx)
2620            .summary
2621            .as_ref()
2622            .map(|summary| summary.text.clone())
2623            .unwrap_or_else(|| "New Conversation".into())
2624    }
2625
2626    fn render_current_model(&self, cx: &mut ViewContext<Self>) -> impl IntoElement {
2627        Button::new(
2628            "current_model",
2629            self.conversation.read(cx).model.short_name(),
2630        )
2631        .style(ButtonStyle::Filled)
2632        .tooltip(move |cx| Tooltip::text("Change Model", cx))
2633        .on_click(cx.listener(|this, _, cx| this.cycle_model(cx)))
2634    }
2635
2636    fn render_remaining_tokens(&self, cx: &mut ViewContext<Self>) -> Option<impl IntoElement> {
2637        let remaining_tokens = self.conversation.read(cx).remaining_tokens()?;
2638        let remaining_tokens_color = if remaining_tokens <= 0 {
2639            Color::Error
2640        } else if remaining_tokens <= 500 {
2641            Color::Warning
2642        } else {
2643            Color::Default
2644        };
2645        Some(Label::new(remaining_tokens.to_string()).color(remaining_tokens_color))
2646    }
2647}
2648
2649impl EventEmitter<ConversationEditorEvent> for ConversationEditor {}
2650
2651impl Render for ConversationEditor {
2652    fn render(&mut self, cx: &mut ViewContext<Self>) -> impl Element {
2653        div()
2654            .key_context("ConversationEditor")
2655            .capture_action(cx.listener(ConversationEditor::cancel_last_assist))
2656            .capture_action(cx.listener(ConversationEditor::save))
2657            .capture_action(cx.listener(ConversationEditor::copy))
2658            .capture_action(cx.listener(ConversationEditor::cycle_message_role))
2659            .on_action(cx.listener(ConversationEditor::assist))
2660            .on_action(cx.listener(ConversationEditor::split))
2661            .size_full()
2662            .relative()
2663            .child(
2664                div()
2665                    .size_full()
2666                    .pl_4()
2667                    .bg(cx.theme().colors().editor_background)
2668                    .child(self.editor.clone()),
2669            )
2670            .child(
2671                h_flex()
2672                    .absolute()
2673                    .gap_1()
2674                    .top_3()
2675                    .right_5()
2676                    .child(self.render_current_model(cx))
2677                    .children(self.render_remaining_tokens(cx)),
2678            )
2679    }
2680}
2681
2682impl FocusableView for ConversationEditor {
2683    fn focus_handle(&self, cx: &AppContext) -> FocusHandle {
2684        self.editor.focus_handle(cx)
2685    }
2686}
2687
2688#[derive(Clone, Debug)]
2689struct MessageAnchor {
2690    id: MessageId,
2691    start: language::Anchor,
2692}
2693
2694#[derive(Clone, Debug)]
2695pub struct Message {
2696    offset_range: Range<usize>,
2697    index_range: Range<usize>,
2698    id: MessageId,
2699    anchor: language::Anchor,
2700    role: Role,
2701    sent_at: DateTime<Local>,
2702    status: MessageStatus,
2703}
2704
2705impl Message {
2706    fn to_open_ai_message(&self, buffer: &Buffer) -> RequestMessage {
2707        let content = buffer
2708            .text_for_range(self.offset_range.clone())
2709            .collect::<String>();
2710        RequestMessage {
2711            role: self.role,
2712            content: content.trim_end().into(),
2713        }
2714    }
2715}
2716
2717enum InlineAssistantEvent {
2718    Confirmed {
2719        prompt: String,
2720        include_conversation: bool,
2721        retrieve_context: bool,
2722    },
2723    Canceled,
2724    Dismissed,
2725    IncludeConversationToggled {
2726        include_conversation: bool,
2727    },
2728    RetrieveContextToggled {
2729        retrieve_context: bool,
2730    },
2731}
2732
2733struct InlineAssistant {
2734    id: usize,
2735    prompt_editor: View<Editor>,
2736    workspace: WeakView<Workspace>,
2737    confirmed: bool,
2738    include_conversation: bool,
2739    measurements: Rc<Cell<BlockMeasurements>>,
2740    prompt_history: VecDeque<String>,
2741    prompt_history_ix: Option<usize>,
2742    pending_prompt: String,
2743    codegen: Model<Codegen>,
2744    _subscriptions: Vec<Subscription>,
2745    retrieve_context: bool,
2746    semantic_index: Option<Model<SemanticIndex>>,
2747    semantic_permissioned: Option<bool>,
2748    project: WeakModel<Project>,
2749    maintain_rate_limit: Option<Task<()>>,
2750}
2751
2752impl EventEmitter<InlineAssistantEvent> for InlineAssistant {}
2753
2754impl Render for InlineAssistant {
2755    fn render(&mut self, cx: &mut ViewContext<Self>) -> impl Element {
2756        let measurements = self.measurements.get();
2757        h_flex()
2758            .w_full()
2759            .py_2()
2760            .border_y_1()
2761            .border_color(cx.theme().colors().border)
2762            .on_action(cx.listener(Self::confirm))
2763            .on_action(cx.listener(Self::cancel))
2764            .on_action(cx.listener(Self::toggle_include_conversation))
2765            .on_action(cx.listener(Self::toggle_retrieve_context))
2766            .on_action(cx.listener(Self::move_up))
2767            .on_action(cx.listener(Self::move_down))
2768            .child(
2769                h_flex()
2770                    .justify_center()
2771                    .w(measurements.gutter_width)
2772                    .child(
2773                        IconButton::new("include_conversation", IconName::Ai)
2774                            .on_click(cx.listener(|this, _, cx| {
2775                                this.toggle_include_conversation(&ToggleIncludeConversation, cx)
2776                            }))
2777                            .selected(self.include_conversation)
2778                            .tooltip(|cx| {
2779                                Tooltip::for_action(
2780                                    "Include Conversation",
2781                                    &ToggleIncludeConversation,
2782                                    cx,
2783                                )
2784                            }),
2785                    )
2786                    .children(if SemanticIndex::enabled(cx) {
2787                        Some(
2788                            IconButton::new("retrieve_context", IconName::MagnifyingGlass)
2789                                .on_click(cx.listener(|this, _, cx| {
2790                                    this.toggle_retrieve_context(&ToggleRetrieveContext, cx)
2791                                }))
2792                                .selected(self.retrieve_context)
2793                                .tooltip(|cx| {
2794                                    Tooltip::for_action(
2795                                        "Retrieve Context",
2796                                        &ToggleRetrieveContext,
2797                                        cx,
2798                                    )
2799                                }),
2800                        )
2801                    } else {
2802                        None
2803                    })
2804                    .children(if let Some(error) = self.codegen.read(cx).error() {
2805                        let error_message = SharedString::from(error.to_string());
2806                        Some(
2807                            div()
2808                                .id("error")
2809                                .tooltip(move |cx| Tooltip::text(error_message.clone(), cx))
2810                                .child(Icon::new(IconName::XCircle).color(Color::Error)),
2811                        )
2812                    } else {
2813                        None
2814                    }),
2815            )
2816            .child(
2817                h_flex()
2818                    .w_full()
2819                    .ml(measurements.anchor_x - measurements.gutter_width)
2820                    .child(self.render_prompt_editor(cx)),
2821            )
2822            .children(if self.retrieve_context {
2823                self.retrieve_context_status(cx)
2824            } else {
2825                None
2826            })
2827    }
2828}
2829
2830impl FocusableView for InlineAssistant {
2831    fn focus_handle(&self, cx: &AppContext) -> FocusHandle {
2832        self.prompt_editor.focus_handle(cx)
2833    }
2834}
2835
2836impl InlineAssistant {
2837    #[allow(clippy::too_many_arguments)]
2838    fn new(
2839        id: usize,
2840        measurements: Rc<Cell<BlockMeasurements>>,
2841        include_conversation: bool,
2842        prompt_history: VecDeque<String>,
2843        codegen: Model<Codegen>,
2844        workspace: WeakView<Workspace>,
2845        cx: &mut ViewContext<Self>,
2846        retrieve_context: bool,
2847        semantic_index: Option<Model<SemanticIndex>>,
2848        project: Model<Project>,
2849    ) -> Self {
2850        let prompt_editor = cx.new_view(|cx| {
2851            let mut editor = Editor::single_line(cx);
2852            let placeholder = match codegen.read(cx).kind() {
2853                CodegenKind::Transform { .. } => "Enter transformation prompt…",
2854                CodegenKind::Generate { .. } => "Enter generation prompt…",
2855            };
2856            editor.set_placeholder_text(placeholder, cx);
2857            editor
2858        });
2859        cx.focus_view(&prompt_editor);
2860
2861        let mut subscriptions = vec![
2862            cx.observe(&codegen, Self::handle_codegen_changed),
2863            cx.subscribe(&prompt_editor, Self::handle_prompt_editor_events),
2864        ];
2865
2866        if let Some(semantic_index) = semantic_index.clone() {
2867            subscriptions.push(cx.observe(&semantic_index, Self::semantic_index_changed));
2868        }
2869
2870        let assistant = Self {
2871            id,
2872            prompt_editor,
2873            workspace,
2874            confirmed: false,
2875            include_conversation,
2876            measurements,
2877            prompt_history,
2878            prompt_history_ix: None,
2879            pending_prompt: String::new(),
2880            codegen,
2881            _subscriptions: subscriptions,
2882            retrieve_context,
2883            semantic_permissioned: None,
2884            semantic_index,
2885            project: project.downgrade(),
2886            maintain_rate_limit: None,
2887        };
2888
2889        assistant.index_project(cx).log_err();
2890
2891        assistant
2892    }
2893
2894    fn semantic_permissioned(&self, cx: &mut ViewContext<Self>) -> Task<Result<bool>> {
2895        if let Some(value) = self.semantic_permissioned {
2896            return Task::ready(Ok(value));
2897        }
2898
2899        let Some(project) = self.project.upgrade() else {
2900            return Task::ready(Err(anyhow!("project was dropped")));
2901        };
2902
2903        self.semantic_index
2904            .as_ref()
2905            .map(|semantic| {
2906                semantic.update(cx, |this, cx| this.project_previously_indexed(&project, cx))
2907            })
2908            .unwrap_or(Task::ready(Ok(false)))
2909    }
2910
2911    fn handle_prompt_editor_events(
2912        &mut self,
2913        _: View<Editor>,
2914        event: &EditorEvent,
2915        cx: &mut ViewContext<Self>,
2916    ) {
2917        if let EditorEvent::Edited = event {
2918            self.pending_prompt = self.prompt_editor.read(cx).text(cx);
2919            cx.notify();
2920        }
2921    }
2922
2923    fn semantic_index_changed(
2924        &mut self,
2925        semantic_index: Model<SemanticIndex>,
2926        cx: &mut ViewContext<Self>,
2927    ) {
2928        let Some(project) = self.project.upgrade() else {
2929            return;
2930        };
2931
2932        let status = semantic_index.read(cx).status(&project);
2933        match status {
2934            SemanticIndexStatus::Indexing {
2935                rate_limit_expiry: Some(_),
2936                ..
2937            } => {
2938                if self.maintain_rate_limit.is_none() {
2939                    self.maintain_rate_limit = Some(cx.spawn(|this, mut cx| async move {
2940                        loop {
2941                            cx.background_executor().timer(Duration::from_secs(1)).await;
2942                            this.update(&mut cx, |_, cx| cx.notify()).log_err();
2943                        }
2944                    }));
2945                }
2946                return;
2947            }
2948            _ => {
2949                self.maintain_rate_limit = None;
2950            }
2951        }
2952    }
2953
2954    fn handle_codegen_changed(&mut self, _: Model<Codegen>, cx: &mut ViewContext<Self>) {
2955        let is_read_only = !self.codegen.read(cx).idle();
2956        self.prompt_editor.update(cx, |editor, cx| {
2957            let was_read_only = editor.read_only(cx);
2958            if was_read_only != is_read_only {
2959                if is_read_only {
2960                    editor.set_read_only(true);
2961                } else {
2962                    self.confirmed = false;
2963                    editor.set_read_only(false);
2964                }
2965            }
2966        });
2967        cx.notify();
2968    }
2969
2970    fn cancel(&mut self, _: &editor::actions::Cancel, cx: &mut ViewContext<Self>) {
2971        cx.emit(InlineAssistantEvent::Canceled);
2972    }
2973
2974    fn confirm(&mut self, _: &menu::Confirm, cx: &mut ViewContext<Self>) {
2975        if self.confirmed {
2976            cx.emit(InlineAssistantEvent::Dismissed);
2977        } else {
2978            report_assistant_event(self.workspace.clone(), None, AssistantKind::Inline, cx);
2979
2980            let prompt = self.prompt_editor.read(cx).text(cx);
2981            self.prompt_editor
2982                .update(cx, |editor, _cx| editor.set_read_only(true));
2983            cx.emit(InlineAssistantEvent::Confirmed {
2984                prompt,
2985                include_conversation: self.include_conversation,
2986                retrieve_context: self.retrieve_context,
2987            });
2988            self.confirmed = true;
2989            cx.notify();
2990        }
2991    }
2992
2993    fn toggle_retrieve_context(&mut self, _: &ToggleRetrieveContext, cx: &mut ViewContext<Self>) {
2994        let semantic_permissioned = self.semantic_permissioned(cx);
2995
2996        let Some(project) = self.project.upgrade() else {
2997            return;
2998        };
2999
3000        let project_name = project
3001            .read(cx)
3002            .worktree_root_names(cx)
3003            .collect::<Vec<&str>>()
3004            .join("/");
3005        let is_plural = project_name.chars().filter(|letter| *letter == '/').count() > 0;
3006        let prompt_text = format!("Would you like to index the '{}' project{} for context retrieval? This requires sending code to the OpenAI API", project_name,
3007            if is_plural {
3008                "s"
3009            } else {""});
3010
3011        cx.spawn(|this, mut cx| async move {
3012            // If Necessary prompt user
3013            if !semantic_permissioned.await.unwrap_or(false) {
3014                let answer = this.update(&mut cx, |_, cx| {
3015                    cx.prompt(
3016                        PromptLevel::Info,
3017                        prompt_text.as_str(),
3018                        None,
3019                        &["Continue", "Cancel"],
3020                    )
3021                })?;
3022
3023                if answer.await? == 0 {
3024                    this.update(&mut cx, |this, _| {
3025                        this.semantic_permissioned = Some(true);
3026                    })?;
3027                } else {
3028                    return anyhow::Ok(());
3029                }
3030            }
3031
3032            // If permissioned, update context appropriately
3033            this.update(&mut cx, |this, cx| {
3034                this.retrieve_context = !this.retrieve_context;
3035
3036                cx.emit(InlineAssistantEvent::RetrieveContextToggled {
3037                    retrieve_context: this.retrieve_context,
3038                });
3039
3040                if this.retrieve_context {
3041                    this.index_project(cx).log_err();
3042                }
3043
3044                cx.notify();
3045            })?;
3046
3047            anyhow::Ok(())
3048        })
3049        .detach_and_log_err(cx);
3050    }
3051
3052    fn index_project(&self, cx: &mut ViewContext<Self>) -> anyhow::Result<()> {
3053        let Some(project) = self.project.upgrade() else {
3054            return Err(anyhow!("project was dropped!"));
3055        };
3056
3057        let semantic_permissioned = self.semantic_permissioned(cx);
3058        if let Some(semantic_index) = SemanticIndex::global(cx) {
3059            cx.spawn(|_, mut cx| async move {
3060                // This has to be updated to accommodate for semantic_permissions
3061                if semantic_permissioned.await.unwrap_or(false) {
3062                    semantic_index
3063                        .update(&mut cx, |index, cx| index.index_project(project, cx))?
3064                        .await
3065                } else {
3066                    Err(anyhow!("project is not permissioned for semantic indexing"))
3067                }
3068            })
3069            .detach_and_log_err(cx);
3070        }
3071
3072        anyhow::Ok(())
3073    }
3074
3075    fn retrieve_context_status(&self, cx: &mut ViewContext<Self>) -> Option<AnyElement> {
3076        let Some(project) = self.project.upgrade() else {
3077            return None;
3078        };
3079
3080        let semantic_index = SemanticIndex::global(cx)?;
3081        let status = semantic_index.update(cx, |index, _| index.status(&project));
3082        match status {
3083            SemanticIndexStatus::NotAuthenticated {} => Some(
3084                div()
3085                    .id("error")
3086                    .tooltip(|cx| Tooltip::text("Not Authenticated. Please ensure you have a valid 'OPENAI_API_KEY' in your environment variables.", cx))
3087                    .child(Icon::new(IconName::XCircle))
3088                    .into_any_element()
3089            ),
3090
3091            SemanticIndexStatus::NotIndexed {} => Some(
3092                div()
3093                    .id("error")
3094                    .tooltip(|cx| Tooltip::text("Not Indexed", cx))
3095                    .child(Icon::new(IconName::XCircle))
3096                    .into_any_element()
3097            ),
3098
3099            SemanticIndexStatus::Indexing {
3100                remaining_files,
3101                rate_limit_expiry,
3102            } => {
3103                let mut status_text = if remaining_files == 0 {
3104                    "Indexing...".to_string()
3105                } else {
3106                    format!("Remaining files to index: {remaining_files}")
3107                };
3108
3109                if let Some(rate_limit_expiry) = rate_limit_expiry {
3110                    let remaining_seconds = rate_limit_expiry.duration_since(Instant::now());
3111                    if remaining_seconds > Duration::from_secs(0) && remaining_files > 0 {
3112                        write!(
3113                            status_text,
3114                            " (rate limit expires in {}s)",
3115                            remaining_seconds.as_secs()
3116                        )
3117                        .unwrap();
3118                    }
3119                }
3120
3121                let status_text = SharedString::from(status_text);
3122                Some(
3123                    div()
3124                        .id("update")
3125                        .tooltip(move |cx| Tooltip::text(status_text.clone(), cx))
3126                        .child(Icon::new(IconName::Update).color(Color::Info))
3127                        .into_any_element()
3128                )
3129            }
3130
3131            SemanticIndexStatus::Indexed {} => Some(
3132                div()
3133                    .id("check")
3134                    .tooltip(|cx| Tooltip::text("Index up to date", cx))
3135                    .child(Icon::new(IconName::Check).color(Color::Success))
3136                    .into_any_element()
3137            ),
3138        }
3139    }
3140
3141    fn toggle_include_conversation(
3142        &mut self,
3143        _: &ToggleIncludeConversation,
3144        cx: &mut ViewContext<Self>,
3145    ) {
3146        self.include_conversation = !self.include_conversation;
3147        cx.emit(InlineAssistantEvent::IncludeConversationToggled {
3148            include_conversation: self.include_conversation,
3149        });
3150        cx.notify();
3151    }
3152
3153    fn move_up(&mut self, _: &MoveUp, cx: &mut ViewContext<Self>) {
3154        if let Some(ix) = self.prompt_history_ix {
3155            if ix > 0 {
3156                self.prompt_history_ix = Some(ix - 1);
3157                let prompt = self.prompt_history[ix - 1].clone();
3158                self.set_prompt(&prompt, cx);
3159            }
3160        } else if !self.prompt_history.is_empty() {
3161            self.prompt_history_ix = Some(self.prompt_history.len() - 1);
3162            let prompt = self.prompt_history[self.prompt_history.len() - 1].clone();
3163            self.set_prompt(&prompt, cx);
3164        }
3165    }
3166
3167    fn move_down(&mut self, _: &MoveDown, cx: &mut ViewContext<Self>) {
3168        if let Some(ix) = self.prompt_history_ix {
3169            if ix < self.prompt_history.len() - 1 {
3170                self.prompt_history_ix = Some(ix + 1);
3171                let prompt = self.prompt_history[ix + 1].clone();
3172                self.set_prompt(&prompt, cx);
3173            } else {
3174                self.prompt_history_ix = None;
3175                let pending_prompt = self.pending_prompt.clone();
3176                self.set_prompt(&pending_prompt, cx);
3177            }
3178        }
3179    }
3180
3181    fn set_prompt(&mut self, prompt: &str, cx: &mut ViewContext<Self>) {
3182        self.prompt_editor.update(cx, |editor, cx| {
3183            editor.buffer().update(cx, |buffer, cx| {
3184                let len = buffer.len(cx);
3185                buffer.edit([(0..len, prompt)], None, cx);
3186            });
3187        });
3188    }
3189
3190    fn render_prompt_editor(&self, cx: &mut ViewContext<Self>) -> impl IntoElement {
3191        let settings = ThemeSettings::get_global(cx);
3192        let text_style = TextStyle {
3193            color: if self.prompt_editor.read(cx).read_only(cx) {
3194                cx.theme().colors().text_disabled
3195            } else {
3196                cx.theme().colors().text
3197            },
3198            font_family: settings.ui_font.family.clone(),
3199            font_features: settings.ui_font.features,
3200            font_size: rems(0.875).into(),
3201            font_weight: FontWeight::NORMAL,
3202            font_style: FontStyle::Normal,
3203            line_height: relative(1.3),
3204            background_color: None,
3205            underline: None,
3206            strikethrough: None,
3207            white_space: WhiteSpace::Normal,
3208        };
3209        EditorElement::new(
3210            &self.prompt_editor,
3211            EditorStyle {
3212                background: cx.theme().colors().editor_background,
3213                local_player: cx.theme().players().local(),
3214                text: text_style,
3215                ..Default::default()
3216            },
3217        )
3218    }
3219}
3220
3221// This wouldn't need to exist if we could pass parameters when rendering child views.
3222#[derive(Copy, Clone, Default)]
3223struct BlockMeasurements {
3224    anchor_x: Pixels,
3225    gutter_width: Pixels,
3226}
3227
3228struct PendingInlineAssist {
3229    editor: WeakView<Editor>,
3230    inline_assistant: Option<(BlockId, View<InlineAssistant>)>,
3231    codegen: Model<Codegen>,
3232    _subscriptions: Vec<Subscription>,
3233    project: WeakModel<Project>,
3234}
3235
3236fn merge_ranges(ranges: &mut Vec<Range<Anchor>>, buffer: &MultiBufferSnapshot) {
3237    ranges.sort_unstable_by(|a, b| {
3238        a.start
3239            .cmp(&b.start, buffer)
3240            .then_with(|| b.end.cmp(&a.end, buffer))
3241    });
3242
3243    let mut ix = 0;
3244    while ix + 1 < ranges.len() {
3245        let b = ranges[ix + 1].clone();
3246        let a = &mut ranges[ix];
3247        if a.end.cmp(&b.start, buffer).is_gt() {
3248            if a.end.cmp(&b.end, buffer).is_lt() {
3249                a.end = b.end;
3250            }
3251            ranges.remove(ix + 1);
3252        } else {
3253            ix += 1;
3254        }
3255    }
3256}
3257
3258#[cfg(test)]
3259mod tests {
3260    use super::*;
3261    use crate::MessageId;
3262    use ai::test::FakeCompletionProvider;
3263    use gpui::{AppContext, TestAppContext};
3264    use settings::SettingsStore;
3265
3266    #[gpui::test]
3267    fn test_inserting_and_removing_messages(cx: &mut AppContext) {
3268        let settings_store = SettingsStore::test(cx);
3269        cx.set_global(settings_store);
3270        init(cx);
3271        let registry = Arc::new(LanguageRegistry::test());
3272
3273        let completion_provider = Arc::new(FakeCompletionProvider::new());
3274        let conversation = cx.new_model(|cx| Conversation::new(registry, cx, completion_provider));
3275        let buffer = conversation.read(cx).buffer.clone();
3276
3277        let message_1 = conversation.read(cx).message_anchors[0].clone();
3278        assert_eq!(
3279            messages(&conversation, cx),
3280            vec![(message_1.id, Role::User, 0..0)]
3281        );
3282
3283        let message_2 = conversation.update(cx, |conversation, cx| {
3284            conversation
3285                .insert_message_after(message_1.id, Role::Assistant, MessageStatus::Done, cx)
3286                .unwrap()
3287        });
3288        assert_eq!(
3289            messages(&conversation, cx),
3290            vec![
3291                (message_1.id, Role::User, 0..1),
3292                (message_2.id, Role::Assistant, 1..1)
3293            ]
3294        );
3295
3296        buffer.update(cx, |buffer, cx| {
3297            buffer.edit([(0..0, "1"), (1..1, "2")], None, cx)
3298        });
3299        assert_eq!(
3300            messages(&conversation, cx),
3301            vec![
3302                (message_1.id, Role::User, 0..2),
3303                (message_2.id, Role::Assistant, 2..3)
3304            ]
3305        );
3306
3307        let message_3 = conversation.update(cx, |conversation, cx| {
3308            conversation
3309                .insert_message_after(message_2.id, Role::User, MessageStatus::Done, cx)
3310                .unwrap()
3311        });
3312        assert_eq!(
3313            messages(&conversation, cx),
3314            vec![
3315                (message_1.id, Role::User, 0..2),
3316                (message_2.id, Role::Assistant, 2..4),
3317                (message_3.id, Role::User, 4..4)
3318            ]
3319        );
3320
3321        let message_4 = conversation.update(cx, |conversation, cx| {
3322            conversation
3323                .insert_message_after(message_2.id, Role::User, MessageStatus::Done, cx)
3324                .unwrap()
3325        });
3326        assert_eq!(
3327            messages(&conversation, cx),
3328            vec![
3329                (message_1.id, Role::User, 0..2),
3330                (message_2.id, Role::Assistant, 2..4),
3331                (message_4.id, Role::User, 4..5),
3332                (message_3.id, Role::User, 5..5),
3333            ]
3334        );
3335
3336        buffer.update(cx, |buffer, cx| {
3337            buffer.edit([(4..4, "C"), (5..5, "D")], None, cx)
3338        });
3339        assert_eq!(
3340            messages(&conversation, cx),
3341            vec![
3342                (message_1.id, Role::User, 0..2),
3343                (message_2.id, Role::Assistant, 2..4),
3344                (message_4.id, Role::User, 4..6),
3345                (message_3.id, Role::User, 6..7),
3346            ]
3347        );
3348
3349        // Deleting across message boundaries merges the messages.
3350        buffer.update(cx, |buffer, cx| buffer.edit([(1..4, "")], None, cx));
3351        assert_eq!(
3352            messages(&conversation, cx),
3353            vec![
3354                (message_1.id, Role::User, 0..3),
3355                (message_3.id, Role::User, 3..4),
3356            ]
3357        );
3358
3359        // Undoing the deletion should also undo the merge.
3360        buffer.update(cx, |buffer, cx| buffer.undo(cx));
3361        assert_eq!(
3362            messages(&conversation, cx),
3363            vec![
3364                (message_1.id, Role::User, 0..2),
3365                (message_2.id, Role::Assistant, 2..4),
3366                (message_4.id, Role::User, 4..6),
3367                (message_3.id, Role::User, 6..7),
3368            ]
3369        );
3370
3371        // Redoing the deletion should also redo the merge.
3372        buffer.update(cx, |buffer, cx| buffer.redo(cx));
3373        assert_eq!(
3374            messages(&conversation, cx),
3375            vec![
3376                (message_1.id, Role::User, 0..3),
3377                (message_3.id, Role::User, 3..4),
3378            ]
3379        );
3380
3381        // Ensure we can still insert after a merged message.
3382        let message_5 = conversation.update(cx, |conversation, cx| {
3383            conversation
3384                .insert_message_after(message_1.id, Role::System, MessageStatus::Done, cx)
3385                .unwrap()
3386        });
3387        assert_eq!(
3388            messages(&conversation, cx),
3389            vec![
3390                (message_1.id, Role::User, 0..3),
3391                (message_5.id, Role::System, 3..4),
3392                (message_3.id, Role::User, 4..5)
3393            ]
3394        );
3395    }
3396
3397    #[gpui::test]
3398    fn test_message_splitting(cx: &mut AppContext) {
3399        let settings_store = SettingsStore::test(cx);
3400        cx.set_global(settings_store);
3401        init(cx);
3402        let registry = Arc::new(LanguageRegistry::test());
3403        let completion_provider = Arc::new(FakeCompletionProvider::new());
3404
3405        let conversation = cx.new_model(|cx| Conversation::new(registry, cx, completion_provider));
3406        let buffer = conversation.read(cx).buffer.clone();
3407
3408        let message_1 = conversation.read(cx).message_anchors[0].clone();
3409        assert_eq!(
3410            messages(&conversation, cx),
3411            vec![(message_1.id, Role::User, 0..0)]
3412        );
3413
3414        buffer.update(cx, |buffer, cx| {
3415            buffer.edit([(0..0, "aaa\nbbb\nccc\nddd\n")], None, cx)
3416        });
3417
3418        let (_, message_2) =
3419            conversation.update(cx, |conversation, cx| conversation.split_message(3..3, cx));
3420        let message_2 = message_2.unwrap();
3421
3422        // We recycle newlines in the middle of a split message
3423        assert_eq!(buffer.read(cx).text(), "aaa\nbbb\nccc\nddd\n");
3424        assert_eq!(
3425            messages(&conversation, cx),
3426            vec![
3427                (message_1.id, Role::User, 0..4),
3428                (message_2.id, Role::User, 4..16),
3429            ]
3430        );
3431
3432        let (_, message_3) =
3433            conversation.update(cx, |conversation, cx| conversation.split_message(3..3, cx));
3434        let message_3 = message_3.unwrap();
3435
3436        // We don't recycle newlines at the end of a split message
3437        assert_eq!(buffer.read(cx).text(), "aaa\n\nbbb\nccc\nddd\n");
3438        assert_eq!(
3439            messages(&conversation, cx),
3440            vec![
3441                (message_1.id, Role::User, 0..4),
3442                (message_3.id, Role::User, 4..5),
3443                (message_2.id, Role::User, 5..17),
3444            ]
3445        );
3446
3447        let (_, message_4) =
3448            conversation.update(cx, |conversation, cx| conversation.split_message(9..9, cx));
3449        let message_4 = message_4.unwrap();
3450        assert_eq!(buffer.read(cx).text(), "aaa\n\nbbb\nccc\nddd\n");
3451        assert_eq!(
3452            messages(&conversation, cx),
3453            vec![
3454                (message_1.id, Role::User, 0..4),
3455                (message_3.id, Role::User, 4..5),
3456                (message_2.id, Role::User, 5..9),
3457                (message_4.id, Role::User, 9..17),
3458            ]
3459        );
3460
3461        let (_, message_5) =
3462            conversation.update(cx, |conversation, cx| conversation.split_message(9..9, cx));
3463        let message_5 = message_5.unwrap();
3464        assert_eq!(buffer.read(cx).text(), "aaa\n\nbbb\n\nccc\nddd\n");
3465        assert_eq!(
3466            messages(&conversation, cx),
3467            vec![
3468                (message_1.id, Role::User, 0..4),
3469                (message_3.id, Role::User, 4..5),
3470                (message_2.id, Role::User, 5..9),
3471                (message_4.id, Role::User, 9..10),
3472                (message_5.id, Role::User, 10..18),
3473            ]
3474        );
3475
3476        let (message_6, message_7) = conversation.update(cx, |conversation, cx| {
3477            conversation.split_message(14..16, cx)
3478        });
3479        let message_6 = message_6.unwrap();
3480        let message_7 = message_7.unwrap();
3481        assert_eq!(buffer.read(cx).text(), "aaa\n\nbbb\n\nccc\ndd\nd\n");
3482        assert_eq!(
3483            messages(&conversation, cx),
3484            vec![
3485                (message_1.id, Role::User, 0..4),
3486                (message_3.id, Role::User, 4..5),
3487                (message_2.id, Role::User, 5..9),
3488                (message_4.id, Role::User, 9..10),
3489                (message_5.id, Role::User, 10..14),
3490                (message_6.id, Role::User, 14..17),
3491                (message_7.id, Role::User, 17..19),
3492            ]
3493        );
3494    }
3495
3496    #[gpui::test]
3497    fn test_messages_for_offsets(cx: &mut AppContext) {
3498        let settings_store = SettingsStore::test(cx);
3499        cx.set_global(settings_store);
3500        init(cx);
3501        let registry = Arc::new(LanguageRegistry::test());
3502        let completion_provider = Arc::new(FakeCompletionProvider::new());
3503        let conversation = cx.new_model(|cx| Conversation::new(registry, cx, completion_provider));
3504        let buffer = conversation.read(cx).buffer.clone();
3505
3506        let message_1 = conversation.read(cx).message_anchors[0].clone();
3507        assert_eq!(
3508            messages(&conversation, cx),
3509            vec![(message_1.id, Role::User, 0..0)]
3510        );
3511
3512        buffer.update(cx, |buffer, cx| buffer.edit([(0..0, "aaa")], None, cx));
3513        let message_2 = conversation
3514            .update(cx, |conversation, cx| {
3515                conversation.insert_message_after(message_1.id, Role::User, MessageStatus::Done, cx)
3516            })
3517            .unwrap();
3518        buffer.update(cx, |buffer, cx| buffer.edit([(4..4, "bbb")], None, cx));
3519
3520        let message_3 = conversation
3521            .update(cx, |conversation, cx| {
3522                conversation.insert_message_after(message_2.id, Role::User, MessageStatus::Done, cx)
3523            })
3524            .unwrap();
3525        buffer.update(cx, |buffer, cx| buffer.edit([(8..8, "ccc")], None, cx));
3526
3527        assert_eq!(buffer.read(cx).text(), "aaa\nbbb\nccc");
3528        assert_eq!(
3529            messages(&conversation, cx),
3530            vec![
3531                (message_1.id, Role::User, 0..4),
3532                (message_2.id, Role::User, 4..8),
3533                (message_3.id, Role::User, 8..11)
3534            ]
3535        );
3536
3537        assert_eq!(
3538            message_ids_for_offsets(&conversation, &[0, 4, 9], cx),
3539            [message_1.id, message_2.id, message_3.id]
3540        );
3541        assert_eq!(
3542            message_ids_for_offsets(&conversation, &[0, 1, 11], cx),
3543            [message_1.id, message_3.id]
3544        );
3545
3546        let message_4 = conversation
3547            .update(cx, |conversation, cx| {
3548                conversation.insert_message_after(message_3.id, Role::User, MessageStatus::Done, cx)
3549            })
3550            .unwrap();
3551        assert_eq!(buffer.read(cx).text(), "aaa\nbbb\nccc\n");
3552        assert_eq!(
3553            messages(&conversation, cx),
3554            vec![
3555                (message_1.id, Role::User, 0..4),
3556                (message_2.id, Role::User, 4..8),
3557                (message_3.id, Role::User, 8..12),
3558                (message_4.id, Role::User, 12..12)
3559            ]
3560        );
3561        assert_eq!(
3562            message_ids_for_offsets(&conversation, &[0, 4, 8, 12], cx),
3563            [message_1.id, message_2.id, message_3.id, message_4.id]
3564        );
3565
3566        fn message_ids_for_offsets(
3567            conversation: &Model<Conversation>,
3568            offsets: &[usize],
3569            cx: &AppContext,
3570        ) -> Vec<MessageId> {
3571            conversation
3572                .read(cx)
3573                .messages_for_offsets(offsets.iter().copied(), cx)
3574                .into_iter()
3575                .map(|message| message.id)
3576                .collect()
3577        }
3578    }
3579
3580    #[gpui::test]
3581    async fn test_serialization(cx: &mut TestAppContext) {
3582        let settings_store = cx.update(SettingsStore::test);
3583        cx.set_global(settings_store);
3584        cx.update(init);
3585        let registry = Arc::new(LanguageRegistry::test());
3586        let completion_provider = Arc::new(FakeCompletionProvider::new());
3587        let conversation =
3588            cx.new_model(|cx| Conversation::new(registry.clone(), cx, completion_provider));
3589        let buffer = conversation.read_with(cx, |conversation, _| conversation.buffer.clone());
3590        let message_0 =
3591            conversation.read_with(cx, |conversation, _| conversation.message_anchors[0].id);
3592        let message_1 = conversation.update(cx, |conversation, cx| {
3593            conversation
3594                .insert_message_after(message_0, Role::Assistant, MessageStatus::Done, cx)
3595                .unwrap()
3596        });
3597        let message_2 = conversation.update(cx, |conversation, cx| {
3598            conversation
3599                .insert_message_after(message_1.id, Role::System, MessageStatus::Done, cx)
3600                .unwrap()
3601        });
3602        buffer.update(cx, |buffer, cx| {
3603            buffer.edit([(0..0, "a"), (1..1, "b\nc")], None, cx);
3604            buffer.finalize_last_transaction();
3605        });
3606        let _message_3 = conversation.update(cx, |conversation, cx| {
3607            conversation
3608                .insert_message_after(message_2.id, Role::System, MessageStatus::Done, cx)
3609                .unwrap()
3610        });
3611        buffer.update(cx, |buffer, cx| buffer.undo(cx));
3612        assert_eq!(buffer.read_with(cx, |buffer, _| buffer.text()), "a\nb\nc\n");
3613        assert_eq!(
3614            cx.read(|cx| messages(&conversation, cx)),
3615            [
3616                (message_0, Role::User, 0..2),
3617                (message_1.id, Role::Assistant, 2..6),
3618                (message_2.id, Role::System, 6..6),
3619            ]
3620        );
3621
3622        let deserialized_conversation = Conversation::deserialize(
3623            conversation.read_with(cx, |conversation, cx| conversation.serialize(cx)),
3624            Default::default(),
3625            registry.clone(),
3626            &mut cx.to_async(),
3627        )
3628        .await
3629        .unwrap();
3630        let deserialized_buffer =
3631            deserialized_conversation.read_with(cx, |conversation, _| conversation.buffer.clone());
3632        assert_eq!(
3633            deserialized_buffer.read_with(cx, |buffer, _| buffer.text()),
3634            "a\nb\nc\n"
3635        );
3636        assert_eq!(
3637            cx.read(|cx| messages(&deserialized_conversation, cx)),
3638            [
3639                (message_0, Role::User, 0..2),
3640                (message_1.id, Role::Assistant, 2..6),
3641                (message_2.id, Role::System, 6..6),
3642            ]
3643        );
3644    }
3645
3646    fn messages(
3647        conversation: &Model<Conversation>,
3648        cx: &AppContext,
3649    ) -> Vec<(MessageId, Role, Range<usize>)> {
3650        conversation
3651            .read(cx)
3652            .messages(cx)
3653            .map(|message| (message.id, message.role, message.offset_range))
3654            .collect()
3655    }
3656}
3657
3658fn report_assistant_event(
3659    workspace: WeakView<Workspace>,
3660    conversation_id: Option<String>,
3661    assistant_kind: AssistantKind,
3662    cx: &AppContext,
3663) {
3664    let Some(workspace) = workspace.upgrade() else {
3665        return;
3666    };
3667
3668    let client = workspace.read(cx).project().read(cx).client();
3669    let telemetry = client.telemetry();
3670
3671    let Ok(model_name) = AssistantSettings::get_global(cx).provider_model_name() else {
3672        return;
3673    };
3674
3675    telemetry.report_assistant_event(conversation_id, assistant_kind, &model_name)
3676}