1use crate::context::load_context;
2use crate::context_store::ContextStore;
3use crate::inline_prompt_editor::{
4 CodegenStatus, PromptEditor, PromptEditorEvent, TerminalInlineAssistId,
5};
6use crate::terminal_codegen::{CLEAR_INPUT, CodegenEvent, TerminalCodegen};
7use crate::thread_store::{TextThreadStore, ThreadStore};
8use agent_settings::AgentSettings;
9use anyhow::{Context as _, Result};
10use client::telemetry::Telemetry;
11use collections::{HashMap, VecDeque};
12use editor::{MultiBuffer, actions::SelectAll};
13use fs::Fs;
14use gpui::{App, Entity, Focusable, Global, Subscription, Task, UpdateGlobal, WeakEntity};
15use language::Buffer;
16use language_model::{
17 ConfiguredModel, LanguageModelRegistry, LanguageModelRequest, LanguageModelRequestMessage,
18 Role, report_assistant_event,
19};
20use project::Project;
21use prompt_store::{PromptBuilder, PromptStore};
22use std::sync::Arc;
23use telemetry_events::{AssistantEventData, AssistantKind, AssistantPhase};
24use terminal_view::TerminalView;
25use ui::prelude::*;
26use util::ResultExt;
27use workspace::{Toast, Workspace, notifications::NotificationId};
28
29pub fn init(
30 fs: Arc<dyn Fs>,
31 prompt_builder: Arc<PromptBuilder>,
32 telemetry: Arc<Telemetry>,
33 cx: &mut App,
34) {
35 cx.set_global(TerminalInlineAssistant::new(fs, prompt_builder, telemetry));
36}
37
38const DEFAULT_CONTEXT_LINES: usize = 50;
39const PROMPT_HISTORY_MAX_LEN: usize = 20;
40
41pub struct TerminalInlineAssistant {
42 next_assist_id: TerminalInlineAssistId,
43 assists: HashMap<TerminalInlineAssistId, TerminalInlineAssist>,
44 prompt_history: VecDeque<String>,
45 telemetry: Option<Arc<Telemetry>>,
46 fs: Arc<dyn Fs>,
47 prompt_builder: Arc<PromptBuilder>,
48}
49
50impl Global for TerminalInlineAssistant {}
51
52impl TerminalInlineAssistant {
53 pub fn new(
54 fs: Arc<dyn Fs>,
55 prompt_builder: Arc<PromptBuilder>,
56 telemetry: Arc<Telemetry>,
57 ) -> Self {
58 Self {
59 next_assist_id: TerminalInlineAssistId::default(),
60 assists: HashMap::default(),
61 prompt_history: VecDeque::default(),
62 telemetry: Some(telemetry),
63 fs,
64 prompt_builder,
65 }
66 }
67
68 pub fn assist(
69 &mut self,
70 terminal_view: &Entity<TerminalView>,
71 workspace: WeakEntity<Workspace>,
72 project: WeakEntity<Project>,
73 prompt_store: Option<Entity<PromptStore>>,
74 thread_store: Option<WeakEntity<ThreadStore>>,
75 text_thread_store: Option<WeakEntity<TextThreadStore>>,
76 initial_prompt: Option<String>,
77 window: &mut Window,
78 cx: &mut App,
79 ) {
80 let terminal = terminal_view.read(cx).terminal().clone();
81 let assist_id = self.next_assist_id.post_inc();
82 let prompt_buffer = cx.new(|cx| {
83 MultiBuffer::singleton(
84 cx.new(|cx| Buffer::local(initial_prompt.unwrap_or_default(), cx)),
85 cx,
86 )
87 });
88 let context_store = cx.new(|_cx| ContextStore::new(project, thread_store.clone()));
89 let codegen = cx.new(|_| TerminalCodegen::new(terminal, self.telemetry.clone()));
90
91 let prompt_editor = cx.new(|cx| {
92 PromptEditor::new_terminal(
93 assist_id,
94 self.prompt_history.clone(),
95 prompt_buffer.clone(),
96 codegen,
97 self.fs.clone(),
98 context_store.clone(),
99 workspace.clone(),
100 thread_store.clone(),
101 text_thread_store.clone(),
102 window,
103 cx,
104 )
105 });
106 let prompt_editor_render = prompt_editor.clone();
107 let block = terminal_view::BlockProperties {
108 height: 2,
109 render: Box::new(move |_| prompt_editor_render.clone().into_any_element()),
110 };
111 terminal_view.update(cx, |terminal_view, cx| {
112 terminal_view.set_block_below_cursor(block, window, cx);
113 });
114
115 let terminal_assistant = TerminalInlineAssist::new(
116 assist_id,
117 terminal_view,
118 prompt_editor,
119 workspace.clone(),
120 context_store,
121 prompt_store,
122 window,
123 cx,
124 );
125
126 self.assists.insert(assist_id, terminal_assistant);
127
128 self.focus_assist(assist_id, window, cx);
129 }
130
131 fn focus_assist(
132 &mut self,
133 assist_id: TerminalInlineAssistId,
134 window: &mut Window,
135 cx: &mut App,
136 ) {
137 let assist = &self.assists[&assist_id];
138 if let Some(prompt_editor) = assist.prompt_editor.as_ref() {
139 prompt_editor.update(cx, |this, cx| {
140 this.editor.update(cx, |editor, cx| {
141 window.focus(&editor.focus_handle(cx));
142 editor.select_all(&SelectAll, window, cx);
143 });
144 });
145 }
146 }
147
148 fn handle_prompt_editor_event(
149 &mut self,
150 prompt_editor: Entity<PromptEditor<TerminalCodegen>>,
151 event: &PromptEditorEvent,
152 window: &mut Window,
153 cx: &mut App,
154 ) {
155 let assist_id = prompt_editor.read(cx).id();
156 match event {
157 PromptEditorEvent::StartRequested => {
158 self.start_assist(assist_id, cx);
159 }
160 PromptEditorEvent::StopRequested => {
161 self.stop_assist(assist_id, cx);
162 }
163 PromptEditorEvent::ConfirmRequested { execute } => {
164 self.finish_assist(assist_id, false, *execute, window, cx);
165 }
166 PromptEditorEvent::CancelRequested => {
167 self.finish_assist(assist_id, true, false, window, cx);
168 }
169 PromptEditorEvent::DismissRequested => {
170 self.dismiss_assist(assist_id, window, cx);
171 }
172 PromptEditorEvent::Resized { height_in_lines } => {
173 self.insert_prompt_editor_into_terminal(assist_id, *height_in_lines, window, cx);
174 }
175 }
176 }
177
178 fn start_assist(&mut self, assist_id: TerminalInlineAssistId, cx: &mut App) {
179 let assist = if let Some(assist) = self.assists.get_mut(&assist_id) {
180 assist
181 } else {
182 return;
183 };
184
185 let Some(user_prompt) = assist
186 .prompt_editor
187 .as_ref()
188 .map(|editor| editor.read(cx).prompt(cx))
189 else {
190 return;
191 };
192
193 self.prompt_history.retain(|prompt| *prompt != user_prompt);
194 self.prompt_history.push_back(user_prompt);
195 if self.prompt_history.len() > PROMPT_HISTORY_MAX_LEN {
196 self.prompt_history.pop_front();
197 }
198
199 assist
200 .terminal
201 .update(cx, |terminal, cx| {
202 terminal
203 .terminal()
204 .update(cx, |terminal, _| terminal.input(CLEAR_INPUT.to_string()));
205 })
206 .log_err();
207
208 let codegen = assist.codegen.clone();
209 let Some(request_task) = self.request_for_inline_assist(assist_id, cx).log_err() else {
210 return;
211 };
212
213 codegen.update(cx, |codegen, cx| codegen.start(request_task, cx));
214 }
215
216 fn stop_assist(&mut self, assist_id: TerminalInlineAssistId, cx: &mut App) {
217 let assist = if let Some(assist) = self.assists.get_mut(&assist_id) {
218 assist
219 } else {
220 return;
221 };
222
223 assist.codegen.update(cx, |codegen, cx| codegen.stop(cx));
224 }
225
226 fn request_for_inline_assist(
227 &self,
228 assist_id: TerminalInlineAssistId,
229 cx: &mut App,
230 ) -> Result<Task<LanguageModelRequest>> {
231 let assist = self.assists.get(&assist_id).context("invalid assist")?;
232
233 let shell = std::env::var("SHELL").ok();
234 let (latest_output, working_directory) = assist
235 .terminal
236 .update(cx, |terminal, cx| {
237 let terminal = terminal.entity().read(cx);
238 let latest_output = terminal.last_n_non_empty_lines(DEFAULT_CONTEXT_LINES);
239 let working_directory = terminal
240 .working_directory()
241 .map(|path| path.to_string_lossy().to_string());
242 (latest_output, working_directory)
243 })
244 .ok()
245 .unwrap_or_default();
246
247 let prompt = self.prompt_builder.generate_terminal_assistant_prompt(
248 &assist
249 .prompt_editor
250 .clone()
251 .context("invalid assist")?
252 .read(cx)
253 .prompt(cx),
254 shell.as_deref(),
255 working_directory.as_deref(),
256 &latest_output,
257 )?;
258
259 let contexts = assist
260 .context_store
261 .read(cx)
262 .context()
263 .cloned()
264 .collect::<Vec<_>>();
265 let context_load_task = assist.workspace.update(cx, |workspace, cx| {
266 let project = workspace.project();
267 load_context(contexts, project, &assist.prompt_store, cx)
268 })?;
269
270 let ConfiguredModel { model, .. } = LanguageModelRegistry::read_global(cx)
271 .inline_assistant_model()
272 .context("No inline assistant model")?;
273
274 let temperature = AgentSettings::temperature_for_model(&model, cx);
275
276 Ok(cx.background_spawn(async move {
277 let mut request_message = LanguageModelRequestMessage {
278 role: Role::User,
279 content: vec![],
280 cache: false,
281 };
282
283 context_load_task
284 .await
285 .loaded_context
286 .add_to_request_message(&mut request_message);
287
288 request_message.content.push(prompt.into());
289
290 LanguageModelRequest {
291 thread_id: None,
292 prompt_id: None,
293 mode: None,
294 messages: vec![request_message],
295 tools: Vec::new(),
296 tool_choice: None,
297 stop: Vec::new(),
298 temperature,
299 }
300 }))
301 }
302
303 fn finish_assist(
304 &mut self,
305 assist_id: TerminalInlineAssistId,
306 undo: bool,
307 execute: bool,
308 window: &mut Window,
309 cx: &mut App,
310 ) {
311 self.dismiss_assist(assist_id, window, cx);
312
313 if let Some(assist) = self.assists.remove(&assist_id) {
314 assist
315 .terminal
316 .update(cx, |this, cx| {
317 this.clear_block_below_cursor(cx);
318 this.focus_handle(cx).focus(window);
319 })
320 .log_err();
321
322 if let Some(ConfiguredModel { model, .. }) =
323 LanguageModelRegistry::read_global(cx).inline_assistant_model()
324 {
325 let codegen = assist.codegen.read(cx);
326 let executor = cx.background_executor().clone();
327 report_assistant_event(
328 AssistantEventData {
329 conversation_id: None,
330 kind: AssistantKind::InlineTerminal,
331 message_id: codegen.message_id.clone(),
332 phase: if undo {
333 AssistantPhase::Rejected
334 } else {
335 AssistantPhase::Accepted
336 },
337 model: model.telemetry_id(),
338 model_provider: model.provider_id().to_string(),
339 response_latency: None,
340 error_message: None,
341 language_name: None,
342 },
343 codegen.telemetry.clone(),
344 cx.http_client(),
345 model.api_key(cx),
346 &executor,
347 );
348 }
349
350 assist.codegen.update(cx, |codegen, cx| {
351 if undo {
352 codegen.undo(cx);
353 } else if execute {
354 codegen.complete(cx);
355 }
356 });
357 }
358 }
359
360 fn dismiss_assist(
361 &mut self,
362 assist_id: TerminalInlineAssistId,
363 window: &mut Window,
364 cx: &mut App,
365 ) -> bool {
366 let Some(assist) = self.assists.get_mut(&assist_id) else {
367 return false;
368 };
369 if assist.prompt_editor.is_none() {
370 return false;
371 }
372 assist.prompt_editor = None;
373 assist
374 .terminal
375 .update(cx, |this, cx| {
376 this.clear_block_below_cursor(cx);
377 this.focus_handle(cx).focus(window);
378 })
379 .is_ok()
380 }
381
382 fn insert_prompt_editor_into_terminal(
383 &mut self,
384 assist_id: TerminalInlineAssistId,
385 height: u8,
386 window: &mut Window,
387 cx: &mut App,
388 ) {
389 if let Some(assist) = self.assists.get_mut(&assist_id) {
390 if let Some(prompt_editor) = assist.prompt_editor.as_ref().cloned() {
391 assist
392 .terminal
393 .update(cx, |terminal, cx| {
394 terminal.clear_block_below_cursor(cx);
395 let block = terminal_view::BlockProperties {
396 height,
397 render: Box::new(move |_| prompt_editor.clone().into_any_element()),
398 };
399 terminal.set_block_below_cursor(block, window, cx);
400 })
401 .log_err();
402 }
403 }
404 }
405}
406
407struct TerminalInlineAssist {
408 terminal: WeakEntity<TerminalView>,
409 prompt_editor: Option<Entity<PromptEditor<TerminalCodegen>>>,
410 codegen: Entity<TerminalCodegen>,
411 workspace: WeakEntity<Workspace>,
412 context_store: Entity<ContextStore>,
413 prompt_store: Option<Entity<PromptStore>>,
414 _subscriptions: Vec<Subscription>,
415}
416
417impl TerminalInlineAssist {
418 pub fn new(
419 assist_id: TerminalInlineAssistId,
420 terminal: &Entity<TerminalView>,
421 prompt_editor: Entity<PromptEditor<TerminalCodegen>>,
422 workspace: WeakEntity<Workspace>,
423 context_store: Entity<ContextStore>,
424 prompt_store: Option<Entity<PromptStore>>,
425 window: &mut Window,
426 cx: &mut App,
427 ) -> Self {
428 let codegen = prompt_editor.read(cx).codegen().clone();
429 Self {
430 terminal: terminal.downgrade(),
431 prompt_editor: Some(prompt_editor.clone()),
432 codegen: codegen.clone(),
433 workspace: workspace.clone(),
434 context_store,
435 prompt_store,
436 _subscriptions: vec![
437 window.subscribe(&prompt_editor, cx, |prompt_editor, event, window, cx| {
438 TerminalInlineAssistant::update_global(cx, |this, cx| {
439 this.handle_prompt_editor_event(prompt_editor, event, window, cx)
440 })
441 }),
442 window.subscribe(&codegen, cx, move |codegen, event, window, cx| {
443 TerminalInlineAssistant::update_global(cx, |this, cx| match event {
444 CodegenEvent::Finished => {
445 let assist = if let Some(assist) = this.assists.get(&assist_id) {
446 assist
447 } else {
448 return;
449 };
450
451 if let CodegenStatus::Error(error) = &codegen.read(cx).status {
452 if assist.prompt_editor.is_none() {
453 if let Some(workspace) = assist.workspace.upgrade() {
454 let error =
455 format!("Terminal inline assistant error: {}", error);
456 workspace.update(cx, |workspace, cx| {
457 struct InlineAssistantError;
458
459 let id =
460 NotificationId::composite::<InlineAssistantError>(
461 assist_id.0,
462 );
463
464 workspace.show_toast(Toast::new(id, error), cx);
465 })
466 }
467 }
468 }
469
470 if assist.prompt_editor.is_none() {
471 this.finish_assist(assist_id, false, false, window, cx);
472 }
473 }
474 })
475 }),
476 ],
477 }
478 }
479}