ollama.rs

   1use anyhow::{Result, anyhow};
   2use credentials_provider::CredentialsProvider;
   3use fs::Fs;
   4use futures::{FutureExt, StreamExt, future::BoxFuture, stream::BoxStream};
   5use futures::{Stream, TryFutureExt, stream};
   6use gpui::{AnyView, App, AsyncApp, Context, CursorStyle, Entity, Task};
   7use http_client::HttpClient;
   8use language_model::{
   9    ApiKeyState, AuthenticateError, EnvVar, IconOrSvg, LanguageModel, LanguageModelCompletionError,
  10    LanguageModelCompletionEvent, LanguageModelId, LanguageModelName, LanguageModelProvider,
  11    LanguageModelProviderId, LanguageModelProviderName, LanguageModelProviderState,
  12    LanguageModelRequest, LanguageModelRequestTool, LanguageModelToolChoice, LanguageModelToolUse,
  13    LanguageModelToolUseId, MessageContent, RateLimiter, Role, StopReason, TokenUsage, env_var,
  14};
  15use menu;
  16use ollama::{
  17    ChatMessage, ChatOptions, ChatRequest, ChatResponseDelta, OLLAMA_API_URL, OllamaFunctionCall,
  18    OllamaFunctionTool, OllamaToolCall, get_models, show_model, stream_chat_completion,
  19};
  20pub use settings::OllamaAvailableModel as AvailableModel;
  21use settings::{Settings, SettingsStore, update_settings_file};
  22use std::pin::Pin;
  23use std::sync::LazyLock;
  24use std::{collections::HashMap, sync::Arc};
  25use ui::{
  26    ButtonLike, ButtonLink, ConfiguredApiCard, ElevationIndex, List, ListBulletItem, Tooltip,
  27    prelude::*,
  28};
  29use ui_input::InputField;
  30
  31use crate::AllLanguageModelSettings;
  32
  33const OLLAMA_DOWNLOAD_URL: &str = "https://ollama.com/download";
  34const OLLAMA_LIBRARY_URL: &str = "https://ollama.com/library";
  35const OLLAMA_SITE: &str = "https://ollama.com/";
  36
  37const PROVIDER_ID: LanguageModelProviderId = LanguageModelProviderId::new("ollama");
  38const PROVIDER_NAME: LanguageModelProviderName = LanguageModelProviderName::new("Ollama");
  39
  40const API_KEY_ENV_VAR_NAME: &str = "OLLAMA_API_KEY";
  41static API_KEY_ENV_VAR: LazyLock<EnvVar> = env_var!(API_KEY_ENV_VAR_NAME);
  42
  43#[derive(Default, Debug, Clone, PartialEq)]
  44pub struct OllamaSettings {
  45    pub api_url: String,
  46    pub auto_discover: bool,
  47    pub available_models: Vec<AvailableModel>,
  48    pub context_window: Option<u64>,
  49}
  50
  51pub struct OllamaLanguageModelProvider {
  52    http_client: Arc<dyn HttpClient>,
  53    state: Entity<State>,
  54}
  55
  56pub struct State {
  57    api_key_state: ApiKeyState,
  58    credentials_provider: Arc<dyn CredentialsProvider>,
  59    http_client: Arc<dyn HttpClient>,
  60    fetched_models: Vec<ollama::Model>,
  61    fetch_model_task: Option<Task<Result<()>>>,
  62}
  63
  64impl State {
  65    fn is_authenticated(&self) -> bool {
  66        !self.fetched_models.is_empty()
  67    }
  68
  69    fn set_api_key(&mut self, api_key: Option<String>, cx: &mut Context<Self>) -> Task<Result<()>> {
  70        let credentials_provider = self.credentials_provider.clone();
  71        let api_url = OllamaLanguageModelProvider::api_url(cx);
  72        let task = self.api_key_state.store(
  73            api_url,
  74            api_key,
  75            |this| &mut this.api_key_state,
  76            credentials_provider,
  77            cx,
  78        );
  79
  80        self.fetched_models.clear();
  81        cx.spawn(async move |this, cx| {
  82            let result = task.await;
  83            this.update(cx, |this, cx| this.restart_fetch_models_task(cx))
  84                .ok();
  85            result
  86        })
  87    }
  88
  89    fn authenticate(&mut self, cx: &mut Context<Self>) -> Task<Result<(), AuthenticateError>> {
  90        let credentials_provider = self.credentials_provider.clone();
  91        let api_url = OllamaLanguageModelProvider::api_url(cx);
  92        let task = self.api_key_state.load_if_needed(
  93            api_url,
  94            |this| &mut this.api_key_state,
  95            credentials_provider,
  96            cx,
  97        );
  98
  99        // Always try to fetch models - if no API key is needed (local Ollama), it will work
 100        // If API key is needed and provided, it will work
 101        // If API key is needed and not provided, it will fail gracefully
 102        cx.spawn(async move |this, cx| {
 103            let result = task.await;
 104            this.update(cx, |this, cx| this.restart_fetch_models_task(cx))
 105                .ok();
 106            result
 107        })
 108    }
 109
 110    fn fetch_models(&mut self, cx: &mut Context<Self>) -> Task<Result<()>> {
 111        let http_client = Arc::clone(&self.http_client);
 112        let api_url = OllamaLanguageModelProvider::api_url(cx);
 113        let api_key = self.api_key_state.key(&api_url);
 114
 115        // As a proxy for the server being "authenticated", we'll check if its up by fetching the models
 116        cx.spawn(async move |this, cx| {
 117            let models = get_models(http_client.as_ref(), &api_url, api_key.as_deref()).await?;
 118
 119            let tasks = models
 120                .into_iter()
 121                // Since there is no metadata from the Ollama API
 122                // indicating which models are embedding models,
 123                // simply filter out models with "-embed" in their name
 124                .filter(|model| !model.name.contains("-embed"))
 125                .map(|model| {
 126                    let http_client = Arc::clone(&http_client);
 127                    let api_url = api_url.clone();
 128                    let api_key = api_key.clone();
 129                    async move {
 130                        let name = model.name.as_str();
 131                        let model =
 132                            show_model(http_client.as_ref(), &api_url, api_key.as_deref(), name)
 133                                .await?;
 134                        let ollama_model = ollama::Model::new(
 135                            name,
 136                            None,
 137                            model.context_length,
 138                            Some(model.supports_tools()),
 139                            Some(model.supports_vision()),
 140                            Some(model.supports_thinking()),
 141                        );
 142                        Ok(ollama_model)
 143                    }
 144                });
 145
 146            // Rate-limit capability fetches
 147            // since there is an arbitrary number of models available
 148            let mut ollama_models: Vec<_> = futures::stream::iter(tasks)
 149                .buffer_unordered(5)
 150                .collect::<Vec<Result<_>>>()
 151                .await
 152                .into_iter()
 153                .collect::<Result<Vec<_>>>()?;
 154
 155            ollama_models.sort_by(|a, b| a.name.cmp(&b.name));
 156
 157            this.update(cx, |this, cx| {
 158                this.fetched_models = ollama_models;
 159                cx.notify();
 160            })
 161        })
 162    }
 163
 164    fn restart_fetch_models_task(&mut self, cx: &mut Context<Self>) {
 165        let task = self.fetch_models(cx);
 166        self.fetch_model_task.replace(task);
 167    }
 168}
 169
 170impl OllamaLanguageModelProvider {
 171    pub fn new(
 172        http_client: Arc<dyn HttpClient>,
 173        credentials_provider: Arc<dyn CredentialsProvider>,
 174        cx: &mut App,
 175    ) -> Self {
 176        let this = Self {
 177            http_client: http_client.clone(),
 178            state: cx.new(|cx| {
 179                cx.observe_global::<SettingsStore>({
 180                    let mut last_settings = OllamaLanguageModelProvider::settings(cx).clone();
 181                    move |this: &mut State, cx| {
 182                        let current_settings = OllamaLanguageModelProvider::settings(cx);
 183                        let settings_changed = current_settings != &last_settings;
 184                        if settings_changed {
 185                            let url_changed = last_settings.api_url != current_settings.api_url;
 186                            last_settings = current_settings.clone();
 187                            if url_changed {
 188                                let credentials_provider = this.credentials_provider.clone();
 189                                let api_url = Self::api_url(cx);
 190                                this.api_key_state.handle_url_change(
 191                                    api_url,
 192                                    |this| &mut this.api_key_state,
 193                                    credentials_provider,
 194                                    cx,
 195                                );
 196                                this.fetched_models.clear();
 197                                this.authenticate(cx).detach();
 198                            }
 199                            cx.notify();
 200                        }
 201                    }
 202                })
 203                .detach();
 204
 205                State {
 206                    http_client,
 207                    fetched_models: Default::default(),
 208                    fetch_model_task: None,
 209                    api_key_state: ApiKeyState::new(Self::api_url(cx), (*API_KEY_ENV_VAR).clone()),
 210                    credentials_provider,
 211                }
 212            }),
 213        };
 214        this
 215    }
 216
 217    fn settings(cx: &App) -> &OllamaSettings {
 218        &AllLanguageModelSettings::get_global(cx).ollama
 219    }
 220
 221    fn api_url(cx: &App) -> SharedString {
 222        let api_url = &Self::settings(cx).api_url;
 223        if api_url.is_empty() {
 224            OLLAMA_API_URL.into()
 225        } else {
 226            SharedString::new(api_url.as_str())
 227        }
 228    }
 229
 230    fn has_custom_url(cx: &App) -> bool {
 231        Self::settings(cx).api_url != OLLAMA_API_URL
 232    }
 233}
 234
 235impl LanguageModelProviderState for OllamaLanguageModelProvider {
 236    type ObservableEntity = State;
 237
 238    fn observable_entity(&self) -> Option<Entity<Self::ObservableEntity>> {
 239        Some(self.state.clone())
 240    }
 241}
 242
 243impl LanguageModelProvider for OllamaLanguageModelProvider {
 244    fn id(&self) -> LanguageModelProviderId {
 245        PROVIDER_ID
 246    }
 247
 248    fn name(&self) -> LanguageModelProviderName {
 249        PROVIDER_NAME
 250    }
 251
 252    fn icon(&self) -> IconOrSvg {
 253        IconOrSvg::Icon(IconName::AiOllama)
 254    }
 255
 256    fn default_model(&self, _: &App) -> Option<Arc<dyn LanguageModel>> {
 257        // We shouldn't try to select default model, because it might lead to a load call for an unloaded model.
 258        // In a constrained environment where user might not have enough resources it'll be a bad UX to select something
 259        // to load by default.
 260        None
 261    }
 262
 263    fn default_fast_model(&self, _: &App) -> Option<Arc<dyn LanguageModel>> {
 264        // See explanation for default_model.
 265        None
 266    }
 267
 268    fn provided_models(&self, cx: &App) -> Vec<Arc<dyn LanguageModel>> {
 269        let mut models: HashMap<String, ollama::Model> = HashMap::new();
 270        let settings = OllamaLanguageModelProvider::settings(cx);
 271
 272        // Add models from the Ollama API
 273        for model in self.state.read(cx).fetched_models.iter() {
 274            let mut model = model.clone();
 275            if let Some(context_window) = settings.context_window {
 276                model.max_tokens = context_window;
 277            }
 278            models.insert(model.name.clone(), model);
 279        }
 280
 281        // Override with available models from settings
 282        merge_settings_into_models(
 283            &mut models,
 284            &settings.available_models,
 285            settings.context_window,
 286        );
 287
 288        let mut models = models
 289            .into_values()
 290            .map(|model| {
 291                Arc::new(OllamaLanguageModel {
 292                    id: LanguageModelId::from(model.name.clone()),
 293                    model,
 294                    http_client: self.http_client.clone(),
 295                    request_limiter: RateLimiter::new(4),
 296                    state: self.state.clone(),
 297                }) as Arc<dyn LanguageModel>
 298            })
 299            .collect::<Vec<_>>();
 300        models.sort_by_key(|model| model.name());
 301        models
 302    }
 303
 304    fn is_authenticated(&self, cx: &App) -> bool {
 305        self.state.read(cx).is_authenticated()
 306    }
 307
 308    fn authenticate(&self, cx: &mut App) -> Task<Result<(), AuthenticateError>> {
 309        self.state.update(cx, |state, cx| state.authenticate(cx))
 310    }
 311
 312    fn configuration_view(
 313        &self,
 314        _target_agent: language_model::ConfigurationViewTargetAgent,
 315        window: &mut Window,
 316        cx: &mut App,
 317    ) -> AnyView {
 318        let state = self.state.clone();
 319        cx.new(|cx| ConfigurationView::new(state, window, cx))
 320            .into()
 321    }
 322
 323    fn reset_credentials(&self, cx: &mut App) -> Task<Result<()>> {
 324        self.state
 325            .update(cx, |state, cx| state.set_api_key(None, cx))
 326    }
 327}
 328
 329pub struct OllamaLanguageModel {
 330    id: LanguageModelId,
 331    model: ollama::Model,
 332    http_client: Arc<dyn HttpClient>,
 333    request_limiter: RateLimiter,
 334    state: Entity<State>,
 335}
 336
 337impl OllamaLanguageModel {
 338    fn to_ollama_request(&self, request: LanguageModelRequest) -> ChatRequest {
 339        let supports_vision = self.model.supports_vision.unwrap_or(false);
 340
 341        let mut messages = Vec::with_capacity(request.messages.len());
 342
 343        for mut msg in request.messages.into_iter() {
 344            let images = if supports_vision {
 345                msg.content
 346                    .iter()
 347                    .filter_map(|content| match content {
 348                        MessageContent::Image(image) => Some(image.source.to_string()),
 349                        _ => None,
 350                    })
 351                    .collect::<Vec<String>>()
 352            } else {
 353                vec![]
 354            };
 355
 356            match msg.role {
 357                Role::User => {
 358                    for tool_result in msg
 359                        .content
 360                        .extract_if(.., |x| matches!(x, MessageContent::ToolResult(..)))
 361                    {
 362                        match tool_result {
 363                            MessageContent::ToolResult(tool_result) => {
 364                                messages.push(ChatMessage::Tool {
 365                                    tool_name: tool_result.tool_name.to_string(),
 366                                    content: tool_result.content.to_str().unwrap_or("").to_string(),
 367                                })
 368                            }
 369                            _ => unreachable!("Only tool result should be extracted"),
 370                        }
 371                    }
 372                    if !msg.content.is_empty() {
 373                        messages.push(ChatMessage::User {
 374                            content: msg.string_contents(),
 375                            images: if images.is_empty() {
 376                                None
 377                            } else {
 378                                Some(images)
 379                            },
 380                        })
 381                    }
 382                }
 383                Role::Assistant => {
 384                    let content = msg.string_contents();
 385                    let mut thinking = None;
 386                    let mut tool_calls = Vec::new();
 387                    for content in msg.content.into_iter() {
 388                        match content {
 389                            MessageContent::Thinking { text, .. } if !text.is_empty() => {
 390                                thinking = Some(text)
 391                            }
 392                            MessageContent::ToolUse(tool_use) => {
 393                                tool_calls.push(OllamaToolCall {
 394                                    id: tool_use.id.to_string(),
 395                                    function: OllamaFunctionCall {
 396                                        name: tool_use.name.to_string(),
 397                                        arguments: tool_use.input,
 398                                    },
 399                                });
 400                            }
 401                            _ => (),
 402                        }
 403                    }
 404                    messages.push(ChatMessage::Assistant {
 405                        content,
 406                        tool_calls: Some(tool_calls),
 407                        images: if images.is_empty() {
 408                            None
 409                        } else {
 410                            Some(images)
 411                        },
 412                        thinking,
 413                    })
 414                }
 415                Role::System => messages.push(ChatMessage::System {
 416                    content: msg.string_contents(),
 417                }),
 418            }
 419        }
 420        ChatRequest {
 421            model: self.model.name.clone(),
 422            messages,
 423            keep_alive: self.model.keep_alive.clone().unwrap_or_default(),
 424            stream: true,
 425            options: Some(ChatOptions {
 426                num_ctx: Some(self.model.max_tokens),
 427                // Only send stop tokens if explicitly provided. When empty/None,
 428                // Ollama will use the model's default stop tokens from its Modelfile.
 429                // Sending an empty array would override and disable the defaults.
 430                stop: if request.stop.is_empty() {
 431                    None
 432                } else {
 433                    Some(request.stop)
 434                },
 435                temperature: request.temperature.or(Some(1.0)),
 436                ..Default::default()
 437            }),
 438            think: self
 439                .model
 440                .supports_thinking
 441                .map(|supports_thinking| supports_thinking && request.thinking_allowed),
 442            tools: if self.model.supports_tools.unwrap_or(false) {
 443                request.tools.into_iter().map(tool_into_ollama).collect()
 444            } else {
 445                vec![]
 446            },
 447        }
 448    }
 449}
 450
 451impl LanguageModel for OllamaLanguageModel {
 452    fn id(&self) -> LanguageModelId {
 453        self.id.clone()
 454    }
 455
 456    fn name(&self) -> LanguageModelName {
 457        LanguageModelName::from(self.model.display_name().to_string())
 458    }
 459
 460    fn provider_id(&self) -> LanguageModelProviderId {
 461        PROVIDER_ID
 462    }
 463
 464    fn provider_name(&self) -> LanguageModelProviderName {
 465        PROVIDER_NAME
 466    }
 467
 468    fn supports_tools(&self) -> bool {
 469        self.model.supports_tools.unwrap_or(false)
 470    }
 471
 472    fn supports_images(&self) -> bool {
 473        self.model.supports_vision.unwrap_or(false)
 474    }
 475
 476    fn supports_thinking(&self) -> bool {
 477        self.model.supports_thinking.unwrap_or(false)
 478    }
 479
 480    fn supports_tool_choice(&self, choice: LanguageModelToolChoice) -> bool {
 481        match choice {
 482            LanguageModelToolChoice::Auto => false,
 483            LanguageModelToolChoice::Any => false,
 484            LanguageModelToolChoice::None => false,
 485        }
 486    }
 487
 488    fn telemetry_id(&self) -> String {
 489        format!("ollama/{}", self.model.id())
 490    }
 491
 492    fn max_token_count(&self) -> u64 {
 493        self.model.max_token_count()
 494    }
 495
 496    fn stream_completion(
 497        &self,
 498        request: LanguageModelRequest,
 499        cx: &AsyncApp,
 500    ) -> BoxFuture<
 501        'static,
 502        Result<
 503            BoxStream<'static, Result<LanguageModelCompletionEvent, LanguageModelCompletionError>>,
 504            LanguageModelCompletionError,
 505        >,
 506    > {
 507        let request = self.to_ollama_request(request);
 508
 509        let http_client = self.http_client.clone();
 510        let (api_key, api_url) = self.state.read_with(cx, |state, cx| {
 511            let api_url = OllamaLanguageModelProvider::api_url(cx);
 512            (state.api_key_state.key(&api_url), api_url)
 513        });
 514
 515        let future = self.request_limiter.stream(async move {
 516            let stream =
 517                stream_chat_completion(http_client.as_ref(), &api_url, api_key.as_deref(), request)
 518                    .await?;
 519            let stream = map_to_language_model_completion_events(stream);
 520            Ok(stream)
 521        });
 522
 523        future.map_ok(|f| f.boxed()).boxed()
 524    }
 525}
 526
 527fn map_to_language_model_completion_events(
 528    stream: Pin<Box<dyn Stream<Item = anyhow::Result<ChatResponseDelta>> + Send>>,
 529) -> impl Stream<Item = Result<LanguageModelCompletionEvent, LanguageModelCompletionError>> {
 530    struct State {
 531        stream: Pin<Box<dyn Stream<Item = anyhow::Result<ChatResponseDelta>> + Send>>,
 532        used_tools: bool,
 533    }
 534
 535    // We need to create a ToolUse and Stop event from a single
 536    // response from the original stream
 537    let stream = stream::unfold(
 538        State {
 539            stream,
 540            used_tools: false,
 541        },
 542        async move |mut state| {
 543            let response = state.stream.next().await?;
 544
 545            let delta = match response {
 546                Ok(delta) => delta,
 547                Err(e) => {
 548                    let event = Err(LanguageModelCompletionError::from(anyhow!(e)));
 549                    return Some((vec![event], state));
 550                }
 551            };
 552
 553            let mut events = Vec::new();
 554
 555            match delta.message {
 556                ChatMessage::User { content, images: _ } => {
 557                    events.push(Ok(LanguageModelCompletionEvent::Text(content)));
 558                }
 559                ChatMessage::System { content } => {
 560                    events.push(Ok(LanguageModelCompletionEvent::Text(content)));
 561                }
 562                ChatMessage::Tool { content, .. } => {
 563                    events.push(Ok(LanguageModelCompletionEvent::Text(content)));
 564                }
 565                ChatMessage::Assistant {
 566                    content,
 567                    tool_calls,
 568                    images: _,
 569                    thinking,
 570                } => {
 571                    if let Some(text) = thinking {
 572                        events.push(Ok(LanguageModelCompletionEvent::Thinking {
 573                            text,
 574                            signature: None,
 575                        }));
 576                    }
 577
 578                    if let Some(tool_call) = tool_calls.and_then(|v| v.into_iter().next()) {
 579                        let OllamaToolCall { id, function } = tool_call;
 580                        let event = LanguageModelCompletionEvent::ToolUse(LanguageModelToolUse {
 581                            id: LanguageModelToolUseId::from(id),
 582                            name: Arc::from(function.name),
 583                            raw_input: function.arguments.to_string(),
 584                            input: function.arguments,
 585                            is_input_complete: true,
 586                            thought_signature: None,
 587                        });
 588                        events.push(Ok(event));
 589                        state.used_tools = true;
 590                    } else if !content.is_empty() {
 591                        events.push(Ok(LanguageModelCompletionEvent::Text(content)));
 592                    }
 593                }
 594            };
 595
 596            if delta.done {
 597                events.push(Ok(LanguageModelCompletionEvent::UsageUpdate(TokenUsage {
 598                    input_tokens: delta.prompt_eval_count.unwrap_or(0),
 599                    output_tokens: delta.eval_count.unwrap_or(0),
 600                    cache_creation_input_tokens: 0,
 601                    cache_read_input_tokens: 0,
 602                })));
 603                if state.used_tools {
 604                    state.used_tools = false;
 605                    events.push(Ok(LanguageModelCompletionEvent::Stop(StopReason::ToolUse)));
 606                } else {
 607                    events.push(Ok(LanguageModelCompletionEvent::Stop(StopReason::EndTurn)));
 608                }
 609            }
 610
 611            Some((events, state))
 612        },
 613    );
 614
 615    stream.flat_map(futures::stream::iter)
 616}
 617
 618struct ConfigurationView {
 619    api_key_editor: Entity<InputField>,
 620    api_url_editor: Entity<InputField>,
 621    context_window_editor: Entity<InputField>,
 622    state: Entity<State>,
 623}
 624
 625impl ConfigurationView {
 626    pub fn new(state: Entity<State>, window: &mut Window, cx: &mut Context<Self>) -> Self {
 627        let api_key_editor = cx.new(|cx| InputField::new(window, cx, "63e02e...").label("API key"));
 628
 629        let api_url_editor = cx.new(|cx| {
 630            let input = InputField::new(window, cx, OLLAMA_API_URL).label("API URL");
 631            input.set_text(&OllamaLanguageModelProvider::api_url(cx), window, cx);
 632            input
 633        });
 634
 635        let context_window_editor = cx.new(|cx| {
 636            let input = InputField::new(window, cx, "8192").label("Context Window");
 637            if let Some(context_window) = OllamaLanguageModelProvider::settings(cx).context_window {
 638                input.set_text(&context_window.to_string(), window, cx);
 639            }
 640            input
 641        });
 642
 643        cx.observe(&state, |_, _, cx| {
 644            cx.notify();
 645        })
 646        .detach();
 647
 648        Self {
 649            api_key_editor,
 650            api_url_editor,
 651            context_window_editor,
 652            state,
 653        }
 654    }
 655
 656    fn retry_connection(&mut self, window: &mut Window, cx: &mut Context<Self>) {
 657        let has_api_url = OllamaLanguageModelProvider::has_custom_url(cx);
 658        let has_api_key = self
 659            .state
 660            .read_with(cx, |state, _| state.api_key_state.has_key());
 661        if !has_api_url {
 662            self.save_api_url(cx);
 663        }
 664        if !has_api_key {
 665            self.save_api_key(&Default::default(), window, cx);
 666        }
 667
 668        self.state.update(cx, |state, cx| {
 669            state.restart_fetch_models_task(cx);
 670        });
 671    }
 672
 673    fn save_api_key(&mut self, _: &menu::Confirm, window: &mut Window, cx: &mut Context<Self>) {
 674        let api_key = self.api_key_editor.read(cx).text(cx).trim().to_string();
 675        if api_key.is_empty() {
 676            return;
 677        }
 678
 679        // url changes can cause the editor to be displayed again
 680        self.api_key_editor
 681            .update(cx, |input, cx| input.set_text("", window, cx));
 682
 683        let state = self.state.clone();
 684        cx.spawn_in(window, async move |_, cx| {
 685            state
 686                .update(cx, |state, cx| state.set_api_key(Some(api_key), cx))
 687                .await
 688        })
 689        .detach_and_log_err(cx);
 690    }
 691
 692    fn reset_api_key(&mut self, window: &mut Window, cx: &mut Context<Self>) {
 693        self.api_key_editor
 694            .update(cx, |input, cx| input.set_text("", window, cx));
 695
 696        let state = self.state.clone();
 697        cx.spawn_in(window, async move |_, cx| {
 698            state
 699                .update(cx, |state, cx| state.set_api_key(None, cx))
 700                .await
 701        })
 702        .detach_and_log_err(cx);
 703
 704        cx.notify();
 705    }
 706
 707    fn save_api_url(&self, cx: &mut Context<Self>) {
 708        let api_url = self.api_url_editor.read(cx).text(cx).trim().to_string();
 709        let current_url = OllamaLanguageModelProvider::api_url(cx);
 710        if !api_url.is_empty() && &api_url != &current_url {
 711            let fs = <dyn Fs>::global(cx);
 712            update_settings_file(fs, cx, move |settings, _| {
 713                settings
 714                    .language_models
 715                    .get_or_insert_default()
 716                    .ollama
 717                    .get_or_insert_default()
 718                    .api_url = Some(api_url);
 719            });
 720        }
 721    }
 722
 723    fn reset_api_url(&mut self, window: &mut Window, cx: &mut Context<Self>) {
 724        self.api_url_editor
 725            .update(cx, |input, cx| input.set_text("", window, cx));
 726        let fs = <dyn Fs>::global(cx);
 727        update_settings_file(fs, cx, |settings, _cx| {
 728            if let Some(settings) = settings
 729                .language_models
 730                .as_mut()
 731                .and_then(|models| models.ollama.as_mut())
 732            {
 733                settings.api_url = Some(OLLAMA_API_URL.into());
 734            }
 735        });
 736        cx.notify();
 737    }
 738
 739    fn save_context_window(&mut self, cx: &mut Context<Self>) {
 740        let context_window_str = self
 741            .context_window_editor
 742            .read(cx)
 743            .text(cx)
 744            .trim()
 745            .to_string();
 746        let current_context_window = OllamaLanguageModelProvider::settings(cx).context_window;
 747
 748        if let Ok(context_window) = context_window_str.parse::<u64>() {
 749            if Some(context_window) != current_context_window {
 750                let fs = <dyn Fs>::global(cx);
 751                update_settings_file(fs, cx, move |settings, _| {
 752                    settings
 753                        .language_models
 754                        .get_or_insert_default()
 755                        .ollama
 756                        .get_or_insert_default()
 757                        .context_window = Some(context_window);
 758                });
 759            }
 760        } else if context_window_str.is_empty() && current_context_window.is_some() {
 761            let fs = <dyn Fs>::global(cx);
 762            update_settings_file(fs, cx, move |settings, _| {
 763                settings
 764                    .language_models
 765                    .get_or_insert_default()
 766                    .ollama
 767                    .get_or_insert_default()
 768                    .context_window = None;
 769            });
 770        }
 771    }
 772
 773    fn reset_context_window(&mut self, window: &mut Window, cx: &mut Context<Self>) {
 774        self.context_window_editor
 775            .update(cx, |input, cx| input.set_text("", window, cx));
 776        let fs = <dyn Fs>::global(cx);
 777        update_settings_file(fs, cx, |settings, _cx| {
 778            if let Some(settings) = settings
 779                .language_models
 780                .as_mut()
 781                .and_then(|models| models.ollama.as_mut())
 782            {
 783                settings.context_window = None;
 784            }
 785        });
 786        cx.notify();
 787    }
 788
 789    fn render_instructions(cx: &App) -> Div {
 790        v_flex()
 791            .gap_2()
 792            .child(Label::new(
 793                "Run LLMs locally on your machine with Ollama, or connect to an Ollama server. \
 794                Can provide access to Llama, Mistral, Gemma, and hundreds of other models.",
 795            ))
 796            .child(Label::new("To use local Ollama:"))
 797            .child(
 798                List::new()
 799                    .child(
 800                        ListBulletItem::new("")
 801                            .child(Label::new("Download and install Ollama from"))
 802                            .child(ButtonLink::new("ollama.com", "https://ollama.com/download")),
 803                    )
 804                    .child(
 805                        ListBulletItem::new("")
 806                            .child(Label::new("Start Ollama and download a model:"))
 807                            .child(Label::new("ollama run gpt-oss:20b").inline_code(cx)),
 808                    )
 809                    .child(ListBulletItem::new(
 810                        "Click 'Connect' below to start using Ollama in Zed",
 811                    )),
 812            )
 813            .child(Label::new(
 814                "Alternatively, you can connect to an Ollama server by specifying its \
 815                URL and API key (may not be required):",
 816            ))
 817    }
 818
 819    fn render_api_key_editor(&self, cx: &Context<Self>) -> impl IntoElement {
 820        let state = self.state.read(cx);
 821        let env_var_set = state.api_key_state.is_from_env_var();
 822        let configured_card_label = if env_var_set {
 823            format!("API key set in {API_KEY_ENV_VAR_NAME} environment variable.")
 824        } else {
 825            "API key configured".to_string()
 826        };
 827
 828        if !state.api_key_state.has_key() {
 829            v_flex()
 830              .on_action(cx.listener(Self::save_api_key))
 831              .child(self.api_key_editor.clone())
 832              .child(
 833                  Label::new(
 834                      format!("You can also set the {API_KEY_ENV_VAR_NAME} environment variable and restart Zed.")
 835                  )
 836                  .size(LabelSize::Small)
 837                  .color(Color::Muted),
 838              )
 839              .into_any_element()
 840        } else {
 841            ConfiguredApiCard::new(configured_card_label)
 842                .disabled(env_var_set)
 843                .on_click(cx.listener(|this, _, window, cx| this.reset_api_key(window, cx)))
 844                .when(env_var_set, |this| {
 845                    this.tooltip_label(format!("To reset your API key, unset the {API_KEY_ENV_VAR_NAME} environment variable."))
 846                })
 847                .into_any_element()
 848        }
 849    }
 850
 851    fn render_context_window_editor(&self, cx: &Context<Self>) -> Div {
 852        let settings = OllamaLanguageModelProvider::settings(cx);
 853        let custom_context_window_set = settings.context_window.is_some();
 854
 855        if custom_context_window_set {
 856            h_flex()
 857                .p_3()
 858                .justify_between()
 859                .rounded_md()
 860                .border_1()
 861                .border_color(cx.theme().colors().border)
 862                .bg(cx.theme().colors().elevated_surface_background)
 863                .child(
 864                    h_flex()
 865                        .gap_2()
 866                        .child(Icon::new(IconName::Check).color(Color::Success))
 867                        .child(v_flex().gap_1().child(Label::new(format!(
 868                            "Context Window: {}",
 869                            settings.context_window.unwrap()
 870                        )))),
 871                )
 872                .child(
 873                    Button::new("reset-context-window", "Reset")
 874                        .label_size(LabelSize::Small)
 875                        .start_icon(Icon::new(IconName::Undo).size(IconSize::Small))
 876                        .layer(ElevationIndex::ModalSurface)
 877                        .on_click(
 878                            cx.listener(|this, _, window, cx| {
 879                                this.reset_context_window(window, cx)
 880                            }),
 881                        ),
 882                )
 883        } else {
 884            v_flex()
 885                .on_action(
 886                    cx.listener(|this, _: &menu::Confirm, _window, cx| {
 887                        this.save_context_window(cx)
 888                    }),
 889                )
 890                .child(self.context_window_editor.clone())
 891                .child(
 892                    Label::new("Default: Model specific")
 893                        .size(LabelSize::Small)
 894                        .color(Color::Muted),
 895                )
 896        }
 897    }
 898
 899    fn render_api_url_editor(&self, cx: &Context<Self>) -> Div {
 900        let api_url = OllamaLanguageModelProvider::api_url(cx);
 901        let custom_api_url_set = api_url != OLLAMA_API_URL;
 902
 903        if custom_api_url_set {
 904            h_flex()
 905                .p_3()
 906                .justify_between()
 907                .rounded_md()
 908                .border_1()
 909                .border_color(cx.theme().colors().border)
 910                .bg(cx.theme().colors().elevated_surface_background)
 911                .child(
 912                    h_flex()
 913                        .gap_2()
 914                        .child(Icon::new(IconName::Check).color(Color::Success))
 915                        .child(v_flex().gap_1().child(Label::new(api_url))),
 916                )
 917                .child(
 918                    Button::new("reset-api-url", "Reset API URL")
 919                        .label_size(LabelSize::Small)
 920                        .start_icon(Icon::new(IconName::Undo).size(IconSize::Small))
 921                        .layer(ElevationIndex::ModalSurface)
 922                        .on_click(
 923                            cx.listener(|this, _, window, cx| this.reset_api_url(window, cx)),
 924                        ),
 925                )
 926        } else {
 927            v_flex()
 928                .on_action(cx.listener(|this, _: &menu::Confirm, _window, cx| {
 929                    this.save_api_url(cx);
 930                    cx.notify();
 931                }))
 932                .gap_2()
 933                .child(self.api_url_editor.clone())
 934        }
 935    }
 936}
 937
 938impl Render for ConfigurationView {
 939    fn render(&mut self, _: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
 940        let is_authenticated = self.state.read(cx).is_authenticated();
 941
 942        v_flex()
 943            .gap_2()
 944            .child(Self::render_instructions(cx))
 945            .child(self.render_api_url_editor(cx))
 946            .child(self.render_context_window_editor(cx))
 947            .child(self.render_api_key_editor(cx))
 948            .child(
 949                h_flex()
 950                    .w_full()
 951                    .justify_between()
 952                    .gap_2()
 953                    .child(
 954                        h_flex()
 955                            .w_full()
 956                            .gap_2()
 957                            .map(|this| {
 958                                if is_authenticated {
 959                                    this.child(
 960                                        Button::new("ollama-site", "Ollama")
 961                                            .style(ButtonStyle::Subtle)
 962                                            .end_icon(
 963                                                Icon::new(IconName::ArrowUpRight)
 964                                                    .size(IconSize::XSmall)
 965                                                    .color(Color::Muted),
 966                                            )
 967                                            .on_click(move |_, _, cx| cx.open_url(OLLAMA_SITE))
 968                                            .into_any_element(),
 969                                    )
 970                                } else {
 971                                    this.child(
 972                                        Button::new("download_ollama_button", "Download Ollama")
 973                                            .style(ButtonStyle::Subtle)
 974                                            .end_icon(
 975                                                Icon::new(IconName::ArrowUpRight)
 976                                                    .size(IconSize::XSmall)
 977                                                    .color(Color::Muted),
 978                                            )
 979                                            .on_click(move |_, _, cx| {
 980                                                cx.open_url(OLLAMA_DOWNLOAD_URL)
 981                                            })
 982                                            .into_any_element(),
 983                                    )
 984                                }
 985                            })
 986                            .child(
 987                                Button::new("view-models", "View All Models")
 988                                    .style(ButtonStyle::Subtle)
 989                                    .end_icon(
 990                                        Icon::new(IconName::ArrowUpRight)
 991                                            .size(IconSize::XSmall)
 992                                            .color(Color::Muted),
 993                                    )
 994                                    .on_click(move |_, _, cx| cx.open_url(OLLAMA_LIBRARY_URL)),
 995                            ),
 996                    )
 997                    .map(|this| {
 998                        if is_authenticated {
 999                            this.child(
1000                                ButtonLike::new("connected")
1001                                    .disabled(true)
1002                                    .cursor_style(CursorStyle::Arrow)
1003                                    .child(
1004                                        h_flex()
1005                                            .gap_2()
1006                                            .child(Icon::new(IconName::Check).color(Color::Success))
1007                                            .child(Label::new("Connected"))
1008                                            .into_any_element(),
1009                                    )
1010                                    .child(
1011                                        IconButton::new("refresh-models", IconName::RotateCcw)
1012                                            .tooltip(Tooltip::text("Refresh Models"))
1013                                            .on_click(cx.listener(|this, _, window, cx| {
1014                                                this.state.update(cx, |state, _| {
1015                                                    state.fetched_models.clear();
1016                                                });
1017                                                this.retry_connection(window, cx);
1018                                            })),
1019                                    ),
1020                            )
1021                        } else {
1022                            this.child(
1023                                Button::new("retry_ollama_models", "Connect")
1024                                    .start_icon(
1025                                        Icon::new(IconName::PlayOutlined).size(IconSize::XSmall),
1026                                    )
1027                                    .on_click(cx.listener(move |this, _, window, cx| {
1028                                        this.retry_connection(window, cx)
1029                                    })),
1030                            )
1031                        }
1032                    }),
1033            )
1034    }
1035}
1036
1037fn merge_settings_into_models(
1038    models: &mut HashMap<String, ollama::Model>,
1039    available_models: &[AvailableModel],
1040    context_window: Option<u64>,
1041) {
1042    for setting_model in available_models {
1043        if let Some(model) = models.get_mut(&setting_model.name) {
1044            if context_window.is_none() {
1045                model.max_tokens = setting_model.max_tokens;
1046            }
1047            model.display_name = setting_model.display_name.clone();
1048            model.keep_alive = setting_model.keep_alive.clone();
1049            model.supports_tools = setting_model.supports_tools;
1050            model.supports_vision = setting_model.supports_images;
1051            model.supports_thinking = setting_model.supports_thinking;
1052        } else {
1053            models.insert(
1054                setting_model.name.clone(),
1055                ollama::Model {
1056                    name: setting_model.name.clone(),
1057                    display_name: setting_model.display_name.clone(),
1058                    max_tokens: context_window.unwrap_or(setting_model.max_tokens),
1059                    keep_alive: setting_model.keep_alive.clone(),
1060                    supports_tools: setting_model.supports_tools,
1061                    supports_vision: setting_model.supports_images,
1062                    supports_thinking: setting_model.supports_thinking,
1063                },
1064            );
1065        }
1066    }
1067}
1068
1069fn tool_into_ollama(tool: LanguageModelRequestTool) -> ollama::OllamaTool {
1070    ollama::OllamaTool::Function {
1071        function: OllamaFunctionTool {
1072            name: tool.name,
1073            description: Some(tool.description),
1074            parameters: Some(tool.input_schema),
1075        },
1076    }
1077}
1078
1079#[cfg(test)]
1080mod tests {
1081    use super::*;
1082
1083    #[test]
1084    fn test_merge_settings_preserves_display_names_for_similar_models() {
1085        // Regression test for https://github.com/zed-industries/zed/issues/43646
1086        // When multiple models share the same base name (e.g., qwen2.5-coder:1.5b and qwen2.5-coder:3b),
1087        // each model should get its own display_name from settings, not a random one.
1088
1089        let mut models: HashMap<String, ollama::Model> = HashMap::new();
1090        models.insert(
1091            "qwen2.5-coder:1.5b".to_string(),
1092            ollama::Model {
1093                name: "qwen2.5-coder:1.5b".to_string(),
1094                display_name: None,
1095                max_tokens: 4096,
1096                keep_alive: None,
1097                supports_tools: None,
1098                supports_vision: None,
1099                supports_thinking: None,
1100            },
1101        );
1102        models.insert(
1103            "qwen2.5-coder:3b".to_string(),
1104            ollama::Model {
1105                name: "qwen2.5-coder:3b".to_string(),
1106                display_name: None,
1107                max_tokens: 4096,
1108                keep_alive: None,
1109                supports_tools: None,
1110                supports_vision: None,
1111                supports_thinking: None,
1112            },
1113        );
1114
1115        let available_models = vec![
1116            AvailableModel {
1117                name: "qwen2.5-coder:1.5b".to_string(),
1118                display_name: Some("QWEN2.5 Coder 1.5B".to_string()),
1119                max_tokens: 5000,
1120                keep_alive: None,
1121                supports_tools: Some(true),
1122                supports_images: None,
1123                supports_thinking: None,
1124            },
1125            AvailableModel {
1126                name: "qwen2.5-coder:3b".to_string(),
1127                display_name: Some("QWEN2.5 Coder 3B".to_string()),
1128                max_tokens: 6000,
1129                keep_alive: None,
1130                supports_tools: Some(true),
1131                supports_images: None,
1132                supports_thinking: None,
1133            },
1134        ];
1135
1136        merge_settings_into_models(&mut models, &available_models, None);
1137
1138        let model_1_5b = models
1139            .get("qwen2.5-coder:1.5b")
1140            .expect("1.5b model missing");
1141        let model_3b = models.get("qwen2.5-coder:3b").expect("3b model missing");
1142
1143        assert_eq!(
1144            model_1_5b.display_name,
1145            Some("QWEN2.5 Coder 1.5B".to_string()),
1146            "1.5b model should have its own display_name"
1147        );
1148        assert_eq!(model_1_5b.max_tokens, 5000);
1149
1150        assert_eq!(
1151            model_3b.display_name,
1152            Some("QWEN2.5 Coder 3B".to_string()),
1153            "3b model should have its own display_name"
1154        );
1155        assert_eq!(model_3b.max_tokens, 6000);
1156    }
1157}