1use crate::{
2 slash_command::SlashCommandCompletionProvider, AssistantPanel, CompletionProvider,
3 InlineAssist, InlineAssistant, LanguageModelRequest, LanguageModelRequestMessage, Role,
4};
5use anyhow::{anyhow, Result};
6use assistant_slash_command::SlashCommandRegistry;
7use chrono::{DateTime, Utc};
8use collections::HashMap;
9use editor::{actions::Tab, CurrentLineHighlight, Editor, EditorEvent};
10use futures::{
11 future::{self, BoxFuture, Shared},
12 FutureExt,
13};
14use fuzzy::StringMatchCandidate;
15use gpui::{
16 actions, percentage, point, size, Animation, AnimationExt, AppContext, BackgroundExecutor,
17 Bounds, DevicePixels, EventEmitter, Global, PromptLevel, ReadGlobal, Subscription, Task,
18 TitlebarOptions, Transformation, UpdateGlobal, View, WindowBounds, WindowHandle, WindowOptions,
19};
20use heed::{types::SerdeBincode, Database, RoTxn};
21use language::{language_settings::SoftWrap, Buffer, LanguageRegistry};
22use parking_lot::RwLock;
23use picker::{Picker, PickerDelegate};
24use rope::Rope;
25use serde::{Deserialize, Serialize};
26use settings::Settings;
27use std::{
28 cmp::Reverse,
29 future::Future,
30 path::PathBuf,
31 sync::{atomic::AtomicBool, Arc},
32 time::Duration,
33};
34use theme::ThemeSettings;
35use ui::{
36 div, prelude::*, IconButtonShape, ListItem, ListItemSpacing, ParentElement, Render,
37 SharedString, Styled, TitleBar, Tooltip, ViewContext, VisualContext,
38};
39use util::{paths::PROMPTS_DIR, ResultExt, TryFutureExt};
40use uuid::Uuid;
41use workspace::Workspace;
42
43actions!(
44 prompt_library,
45 [NewPrompt, DeletePrompt, ToggleDefaultPrompt]
46);
47
48/// Init starts loading the PromptStore in the background and assigns
49/// a shared future to a global.
50pub fn init(cx: &mut AppContext) {
51 let db_path = PROMPTS_DIR.join("prompts-library-db.0.mdb");
52 let prompt_store_future = PromptStore::new(db_path, cx.background_executor().clone())
53 .then(|result| future::ready(result.map(Arc::new).map_err(Arc::new)))
54 .boxed()
55 .shared();
56 cx.set_global(GlobalPromptStore(prompt_store_future))
57}
58
59/// This function opens a new prompt library window if one doesn't exist already.
60/// If one exists, it brings it to the foreground.
61///
62/// Note that, when opening a new window, this waits for the PromptStore to be
63/// initialized. If it was initialized successfully, it returns a window handle
64/// to a prompt library.
65pub fn open_prompt_library(
66 language_registry: Arc<LanguageRegistry>,
67 cx: &mut AppContext,
68) -> Task<Result<WindowHandle<PromptLibrary>>> {
69 let existing_window = cx
70 .windows()
71 .into_iter()
72 .find_map(|window| window.downcast::<PromptLibrary>());
73 if let Some(existing_window) = existing_window {
74 existing_window
75 .update(cx, |_, cx| cx.activate_window())
76 .ok();
77 Task::ready(Ok(existing_window))
78 } else {
79 let store = PromptStore::global(cx);
80 cx.spawn(|cx| async move {
81 let store = store.await?;
82 cx.update(|cx| {
83 let bounds = Bounds::centered(
84 None,
85 size(DevicePixels::from(1024), DevicePixels::from(768)),
86 cx,
87 );
88 cx.open_window(
89 WindowOptions {
90 titlebar: Some(TitlebarOptions {
91 title: Some("Prompt Library".into()),
92 appears_transparent: true,
93 traffic_light_position: Some(point(px(9.0), px(9.0))),
94 }),
95 window_bounds: Some(WindowBounds::Windowed(bounds)),
96 ..Default::default()
97 },
98 |cx| cx.new_view(|cx| PromptLibrary::new(store, language_registry, cx)),
99 )
100 })?
101 })
102 }
103}
104
105pub struct PromptLibrary {
106 store: Arc<PromptStore>,
107 language_registry: Arc<LanguageRegistry>,
108 prompt_editors: HashMap<PromptId, PromptEditor>,
109 active_prompt_id: Option<PromptId>,
110 picker: View<Picker<PromptPickerDelegate>>,
111 pending_load: Task<()>,
112 _subscriptions: Vec<Subscription>,
113}
114
115struct PromptEditor {
116 editor: View<Editor>,
117 token_count: Option<usize>,
118 pending_token_count: Task<Option<()>>,
119 next_body_to_save: Option<Rope>,
120 pending_save: Option<Task<Option<()>>>,
121 _subscription: Subscription,
122}
123
124struct PromptPickerDelegate {
125 store: Arc<PromptStore>,
126 selected_index: usize,
127 matches: Vec<PromptMetadata>,
128}
129
130enum PromptPickerEvent {
131 Selected { prompt_id: PromptId },
132 Confirmed { prompt_id: PromptId },
133 Deleted { prompt_id: PromptId },
134 ToggledDefault { prompt_id: PromptId },
135}
136
137impl EventEmitter<PromptPickerEvent> for Picker<PromptPickerDelegate> {}
138
139impl PickerDelegate for PromptPickerDelegate {
140 type ListItem = ListItem;
141
142 fn match_count(&self) -> usize {
143 self.matches.len()
144 }
145
146 fn selected_index(&self) -> usize {
147 self.selected_index
148 }
149
150 fn set_selected_index(&mut self, ix: usize, cx: &mut ViewContext<Picker<Self>>) {
151 self.selected_index = ix;
152 if let Some(prompt) = self.matches.get(self.selected_index) {
153 cx.emit(PromptPickerEvent::Selected {
154 prompt_id: prompt.id,
155 });
156 }
157 }
158
159 fn placeholder_text(&self, _cx: &mut WindowContext) -> Arc<str> {
160 "Search...".into()
161 }
162
163 fn update_matches(&mut self, query: String, cx: &mut ViewContext<Picker<Self>>) -> Task<()> {
164 let search = self.store.search(query);
165 let prev_prompt_id = self.matches.get(self.selected_index).map(|mat| mat.id);
166 cx.spawn(|this, mut cx| async move {
167 let (matches, selected_index) = cx
168 .background_executor()
169 .spawn(async move {
170 let matches = search.await;
171
172 let selected_index = prev_prompt_id
173 .and_then(|prev_prompt_id| {
174 matches.iter().position(|entry| entry.id == prev_prompt_id)
175 })
176 .unwrap_or(0);
177 (matches, selected_index)
178 })
179 .await;
180
181 this.update(&mut cx, |this, cx| {
182 this.delegate.matches = matches;
183 this.delegate.set_selected_index(selected_index, cx);
184 cx.notify();
185 })
186 .ok();
187 })
188 }
189
190 fn confirm(&mut self, _secondary: bool, cx: &mut ViewContext<Picker<Self>>) {
191 if let Some(prompt) = self.matches.get(self.selected_index) {
192 cx.emit(PromptPickerEvent::Confirmed {
193 prompt_id: prompt.id,
194 });
195 }
196 }
197
198 fn dismissed(&mut self, _cx: &mut ViewContext<Picker<Self>>) {}
199
200 fn render_match(
201 &self,
202 ix: usize,
203 selected: bool,
204 cx: &mut ViewContext<Picker<Self>>,
205 ) -> Option<Self::ListItem> {
206 let prompt = self.matches.get(ix)?;
207 let default = prompt.default;
208 let prompt_id = prompt.id;
209 let element = ListItem::new(ix)
210 .inset(true)
211 .spacing(ListItemSpacing::Sparse)
212 .selected(selected)
213 .child(h_flex().h_5().line_height(relative(1.)).child(Label::new(
214 prompt.title.clone().unwrap_or("Untitled".into()),
215 )))
216 .end_slot::<IconButton>(default.then(|| {
217 IconButton::new("toggle-default-prompt", IconName::SparkleFilled)
218 .selected(true)
219 .icon_color(Color::Accent)
220 .shape(IconButtonShape::Square)
221 .tooltip(move |cx| Tooltip::text("Remove from Default Prompt", cx))
222 .on_click(cx.listener(move |_, _, cx| {
223 cx.emit(PromptPickerEvent::ToggledDefault { prompt_id })
224 }))
225 }))
226 .end_hover_slot(
227 h_flex()
228 .gap_2()
229 .child(
230 IconButton::new("delete-prompt", IconName::Trash)
231 .icon_color(Color::Muted)
232 .shape(IconButtonShape::Square)
233 .tooltip(move |cx| Tooltip::text("Delete Prompt", cx))
234 .on_click(cx.listener(move |_, _, cx| {
235 cx.emit(PromptPickerEvent::Deleted { prompt_id })
236 })),
237 )
238 .child(
239 IconButton::new("toggle-default-prompt", IconName::Sparkle)
240 .selected(default)
241 .selected_icon(IconName::SparkleFilled)
242 .icon_color(if default { Color::Accent } else { Color::Muted })
243 .shape(IconButtonShape::Square)
244 .tooltip(move |cx| {
245 Tooltip::text(
246 if default {
247 "Remove from Default Prompt"
248 } else {
249 "Add to Default Prompt"
250 },
251 cx,
252 )
253 })
254 .on_click(cx.listener(move |_, _, cx| {
255 cx.emit(PromptPickerEvent::ToggledDefault { prompt_id })
256 })),
257 ),
258 );
259 Some(element)
260 }
261
262 fn render_editor(&self, editor: &View<Editor>, cx: &mut ViewContext<Picker<Self>>) -> Div {
263 h_flex()
264 .bg(cx.theme().colors().editor_background)
265 .rounded_md()
266 .overflow_hidden()
267 .flex_none()
268 .py_1()
269 .px_2()
270 .mx_2()
271 .child(editor.clone())
272 }
273}
274
275impl PromptLibrary {
276 fn new(
277 store: Arc<PromptStore>,
278 language_registry: Arc<LanguageRegistry>,
279 cx: &mut ViewContext<Self>,
280 ) -> Self {
281 let delegate = PromptPickerDelegate {
282 store: store.clone(),
283 selected_index: 0,
284 matches: Vec::new(),
285 };
286
287 let picker = cx.new_view(|cx| {
288 let picker = Picker::uniform_list(delegate, cx)
289 .modal(false)
290 .max_height(None);
291 picker.focus(cx);
292 picker
293 });
294 Self {
295 store: store.clone(),
296 language_registry,
297 prompt_editors: HashMap::default(),
298 active_prompt_id: None,
299 pending_load: Task::ready(()),
300 _subscriptions: vec![cx.subscribe(&picker, Self::handle_picker_event)],
301 picker,
302 }
303 }
304
305 fn handle_picker_event(
306 &mut self,
307 _: View<Picker<PromptPickerDelegate>>,
308 event: &PromptPickerEvent,
309 cx: &mut ViewContext<Self>,
310 ) {
311 match event {
312 PromptPickerEvent::Selected { prompt_id } => {
313 self.load_prompt(*prompt_id, false, cx);
314 }
315 PromptPickerEvent::Confirmed { prompt_id } => {
316 self.load_prompt(*prompt_id, true, cx);
317 }
318 PromptPickerEvent::ToggledDefault { prompt_id } => {
319 self.toggle_default_for_prompt(*prompt_id, cx);
320 }
321 PromptPickerEvent::Deleted { prompt_id } => {
322 self.delete_prompt(*prompt_id, cx);
323 }
324 }
325 }
326
327 pub fn new_prompt(&mut self, cx: &mut ViewContext<Self>) {
328 // If we already have an untitled prompt, use that instead
329 // of creating a new one.
330 if let Some(metadata) = self.store.first() {
331 if metadata.title.is_none() {
332 self.load_prompt(metadata.id, true, cx);
333 return;
334 }
335 }
336
337 let prompt_id = PromptId::new();
338 let save = self.store.save(prompt_id, None, false, "".into());
339 self.picker.update(cx, |picker, cx| picker.refresh(cx));
340 cx.spawn(|this, mut cx| async move {
341 save.await?;
342 this.update(&mut cx, |this, cx| this.load_prompt(prompt_id, true, cx))
343 })
344 .detach_and_log_err(cx);
345 }
346
347 pub fn save_prompt(&mut self, prompt_id: PromptId, cx: &mut ViewContext<Self>) {
348 const SAVE_THROTTLE: Duration = Duration::from_millis(500);
349
350 let prompt_metadata = self.store.metadata(prompt_id).unwrap();
351 let prompt_editor = self.prompt_editors.get_mut(&prompt_id).unwrap();
352 let body = prompt_editor.editor.update(cx, |editor, cx| {
353 editor
354 .buffer()
355 .read(cx)
356 .as_singleton()
357 .unwrap()
358 .read(cx)
359 .as_rope()
360 .clone()
361 });
362
363 let store = self.store.clone();
364 let executor = cx.background_executor().clone();
365
366 prompt_editor.next_body_to_save = Some(body);
367 if prompt_editor.pending_save.is_none() {
368 prompt_editor.pending_save = Some(cx.spawn(|this, mut cx| {
369 async move {
370 loop {
371 let next_body_to_save = this.update(&mut cx, |this, _| {
372 this.prompt_editors
373 .get_mut(&prompt_id)?
374 .next_body_to_save
375 .take()
376 })?;
377
378 if let Some(body) = next_body_to_save {
379 let title = title_from_body(body.chars_at(0));
380 store
381 .save(prompt_id, title, prompt_metadata.default, body)
382 .await
383 .log_err();
384 this.update(&mut cx, |this, cx| {
385 this.picker.update(cx, |picker, cx| picker.refresh(cx));
386 cx.notify();
387 })?;
388
389 executor.timer(SAVE_THROTTLE).await;
390 } else {
391 break;
392 }
393 }
394
395 this.update(&mut cx, |this, _cx| {
396 if let Some(prompt_editor) = this.prompt_editors.get_mut(&prompt_id) {
397 prompt_editor.pending_save = None;
398 }
399 })
400 }
401 .log_err()
402 }));
403 }
404 }
405
406 pub fn delete_active_prompt(&mut self, cx: &mut ViewContext<Self>) {
407 if let Some(active_prompt_id) = self.active_prompt_id {
408 self.delete_prompt(active_prompt_id, cx);
409 }
410 }
411
412 pub fn toggle_default_for_active_prompt(&mut self, cx: &mut ViewContext<Self>) {
413 if let Some(active_prompt_id) = self.active_prompt_id {
414 self.toggle_default_for_prompt(active_prompt_id, cx);
415 }
416 }
417
418 pub fn toggle_default_for_prompt(&mut self, prompt_id: PromptId, cx: &mut ViewContext<Self>) {
419 if let Some(prompt_metadata) = self.store.metadata(prompt_id) {
420 self.store
421 .save_metadata(prompt_id, prompt_metadata.title, !prompt_metadata.default)
422 .detach_and_log_err(cx);
423 self.picker.update(cx, |picker, cx| picker.refresh(cx));
424 cx.notify();
425 }
426 }
427
428 pub fn load_prompt(&mut self, prompt_id: PromptId, focus: bool, cx: &mut ViewContext<Self>) {
429 if let Some(prompt_editor) = self.prompt_editors.get(&prompt_id) {
430 if focus {
431 prompt_editor
432 .editor
433 .update(cx, |editor, cx| editor.focus(cx));
434 }
435 self.set_active_prompt(Some(prompt_id), cx);
436 } else {
437 let language_registry = self.language_registry.clone();
438 let commands = SlashCommandRegistry::global(cx);
439 let prompt = self.store.load(prompt_id);
440 self.pending_load = cx.spawn(|this, mut cx| async move {
441 let prompt = prompt.await;
442 let markdown = language_registry.language_for_name("Markdown").await;
443 this.update(&mut cx, |this, cx| match prompt {
444 Ok(prompt) => {
445 let buffer = cx.new_model(|cx| {
446 let mut buffer = Buffer::local(prompt, cx);
447 buffer.set_language(markdown.log_err(), cx);
448 buffer.set_language_registry(language_registry);
449 buffer
450 });
451 let editor = cx.new_view(|cx| {
452 let mut editor = Editor::for_buffer(buffer, None, cx);
453 editor.set_soft_wrap_mode(SoftWrap::EditorWidth, cx);
454 editor.set_show_gutter(false, cx);
455 editor.set_show_wrap_guides(false, cx);
456 editor.set_show_indent_guides(false, cx);
457 editor.set_current_line_highlight(Some(CurrentLineHighlight::None));
458 editor.set_completion_provider(Box::new(
459 SlashCommandCompletionProvider::new(commands, None, None),
460 ));
461 if focus {
462 editor.focus(cx);
463 }
464 editor
465 });
466 let _subscription =
467 cx.subscribe(&editor, move |this, _editor, event, cx| {
468 this.handle_prompt_editor_event(prompt_id, event, cx)
469 });
470 this.prompt_editors.insert(
471 prompt_id,
472 PromptEditor {
473 editor,
474 next_body_to_save: None,
475 pending_save: None,
476 token_count: None,
477 pending_token_count: Task::ready(None),
478 _subscription,
479 },
480 );
481 this.set_active_prompt(Some(prompt_id), cx);
482 this.count_tokens(prompt_id, cx);
483 }
484 Err(error) => {
485 // TODO: we should show the error in the UI.
486 log::error!("error while loading prompt: {:?}", error);
487 }
488 })
489 .ok();
490 });
491 }
492 }
493
494 fn set_active_prompt(&mut self, prompt_id: Option<PromptId>, cx: &mut ViewContext<Self>) {
495 self.active_prompt_id = prompt_id;
496 self.picker.update(cx, |picker, cx| {
497 if let Some(prompt_id) = prompt_id {
498 if picker
499 .delegate
500 .matches
501 .get(picker.delegate.selected_index())
502 .map_or(true, |old_selected_prompt| {
503 old_selected_prompt.id != prompt_id
504 })
505 {
506 if let Some(ix) = picker
507 .delegate
508 .matches
509 .iter()
510 .position(|mat| mat.id == prompt_id)
511 {
512 picker.set_selected_index(ix, true, cx);
513 }
514 }
515 } else {
516 picker.focus(cx);
517 }
518 });
519 cx.notify();
520 }
521
522 pub fn delete_prompt(&mut self, prompt_id: PromptId, cx: &mut ViewContext<Self>) {
523 if let Some(metadata) = self.store.metadata(prompt_id) {
524 let confirmation = cx.prompt(
525 PromptLevel::Warning,
526 &format!(
527 "Are you sure you want to delete {}",
528 metadata.title.unwrap_or("Untitled".into())
529 ),
530 None,
531 &["Delete", "Cancel"],
532 );
533
534 cx.spawn(|this, mut cx| async move {
535 if confirmation.await.ok() == Some(0) {
536 this.update(&mut cx, |this, cx| {
537 if this.active_prompt_id == Some(prompt_id) {
538 this.set_active_prompt(None, cx);
539 }
540 this.prompt_editors.remove(&prompt_id);
541 this.store.delete(prompt_id).detach_and_log_err(cx);
542 this.picker.update(cx, |picker, cx| picker.refresh(cx));
543 cx.notify();
544 })?;
545 }
546 anyhow::Ok(())
547 })
548 .detach_and_log_err(cx);
549 }
550 }
551
552 fn focus_active_prompt(&mut self, _: &Tab, cx: &mut ViewContext<Self>) {
553 if let Some(active_prompt) = self.active_prompt_id {
554 self.prompt_editors[&active_prompt]
555 .editor
556 .update(cx, |editor, cx| editor.focus(cx));
557 cx.stop_propagation();
558 }
559 }
560
561 fn focus_picker(&mut self, _: &menu::Cancel, cx: &mut ViewContext<Self>) {
562 self.picker.update(cx, |picker, cx| picker.focus(cx));
563 }
564
565 pub fn inline_assist(&mut self, _: &InlineAssist, cx: &mut ViewContext<Self>) {
566 let Some(active_prompt_id) = self.active_prompt_id else {
567 cx.propagate();
568 return;
569 };
570
571 let prompt_editor = &self.prompt_editors[&active_prompt_id].editor;
572 let provider = CompletionProvider::global(cx);
573 if provider.is_authenticated() {
574 InlineAssistant::update_global(cx, |assistant, cx| {
575 assistant.assist(&prompt_editor, None, false, cx)
576 })
577 } else {
578 for window in cx.windows() {
579 if let Some(workspace) = window.downcast::<Workspace>() {
580 let panel = workspace
581 .update(cx, |workspace, cx| {
582 cx.activate_window();
583 workspace.focus_panel::<AssistantPanel>(cx)
584 })
585 .ok()
586 .flatten();
587 if panel.is_some() {
588 return;
589 }
590 }
591 }
592 }
593 }
594
595 fn handle_prompt_editor_event(
596 &mut self,
597 prompt_id: PromptId,
598 event: &EditorEvent,
599 cx: &mut ViewContext<Self>,
600 ) {
601 if let EditorEvent::BufferEdited = event {
602 let prompt_editor = self.prompt_editors.get(&prompt_id).unwrap();
603 let buffer = prompt_editor
604 .editor
605 .read(cx)
606 .buffer()
607 .read(cx)
608 .as_singleton()
609 .unwrap();
610
611 buffer.update(cx, |buffer, cx| {
612 let mut chars = buffer.chars_at(0);
613 match chars.next() {
614 Some('#') => {
615 if chars.next() != Some(' ') {
616 drop(chars);
617 buffer.edit([(1..1, " ")], None, cx);
618 }
619 }
620 Some(' ') => {
621 drop(chars);
622 buffer.edit([(0..0, "#")], None, cx);
623 }
624 _ => {
625 drop(chars);
626 buffer.edit([(0..0, "# ")], None, cx);
627 }
628 }
629 });
630
631 self.save_prompt(prompt_id, cx);
632 self.count_tokens(prompt_id, cx);
633 }
634 }
635
636 fn count_tokens(&mut self, prompt_id: PromptId, cx: &mut ViewContext<Self>) {
637 if let Some(prompt) = self.prompt_editors.get_mut(&prompt_id) {
638 let editor = &prompt.editor.read(cx);
639 let buffer = &editor.buffer().read(cx).as_singleton().unwrap().read(cx);
640 let body = buffer.as_rope().clone();
641 prompt.pending_token_count = cx.spawn(|this, mut cx| {
642 async move {
643 const DEBOUNCE_TIMEOUT: Duration = Duration::from_secs(1);
644
645 cx.background_executor().timer(DEBOUNCE_TIMEOUT).await;
646 let token_count = cx
647 .update(|cx| {
648 let provider = CompletionProvider::global(cx);
649 let model = provider.model();
650 provider.count_tokens(
651 LanguageModelRequest {
652 model,
653 messages: vec![LanguageModelRequestMessage {
654 role: Role::System,
655 content: body.to_string(),
656 }],
657 stop: Vec::new(),
658 temperature: 1.,
659 },
660 cx,
661 )
662 })?
663 .await?;
664 this.update(&mut cx, |this, cx| {
665 let prompt_editor = this.prompt_editors.get_mut(&prompt_id).unwrap();
666 prompt_editor.token_count = Some(token_count);
667 cx.notify();
668 })
669 }
670 .log_err()
671 });
672 }
673 }
674
675 fn render_prompt_list(&mut self, cx: &mut ViewContext<Self>) -> impl IntoElement {
676 v_flex()
677 .id("prompt-list")
678 .capture_action(cx.listener(Self::focus_active_prompt))
679 .bg(cx.theme().colors().panel_background)
680 .h_full()
681 .w_1_3()
682 .overflow_x_hidden()
683 .child(
684 h_flex()
685 .p(Spacing::Small.rems(cx))
686 .h(TitleBar::height(cx))
687 .w_full()
688 .flex_none()
689 .justify_end()
690 .child(
691 IconButton::new("new-prompt", IconName::Plus)
692 .style(ButtonStyle::Transparent)
693 .shape(IconButtonShape::Square)
694 .tooltip(move |cx| Tooltip::for_action("New Prompt", &NewPrompt, cx))
695 .on_click(|_, cx| {
696 cx.dispatch_action(Box::new(NewPrompt));
697 }),
698 ),
699 )
700 .child(div().flex_grow().child(self.picker.clone()))
701 }
702
703 fn render_active_prompt(&mut self, cx: &mut ViewContext<PromptLibrary>) -> gpui::Stateful<Div> {
704 div()
705 .w_2_3()
706 .h_full()
707 .id("prompt-editor")
708 .border_l_1()
709 .border_color(cx.theme().colors().border)
710 .bg(cx.theme().colors().editor_background)
711 .flex_none()
712 .min_w_64()
713 .children(self.active_prompt_id.and_then(|prompt_id| {
714 let buffer_font = ThemeSettings::get_global(cx).buffer_font.family.clone();
715 let prompt_metadata = self.store.metadata(prompt_id)?;
716 let prompt_editor = &self.prompt_editors[&prompt_id];
717 let focus_handle = prompt_editor.editor.focus_handle(cx);
718 let current_model = CompletionProvider::global(cx).model();
719 let token_count = prompt_editor.token_count.map(|count| count.to_string());
720
721 Some(
722 h_flex()
723 .id("prompt-editor-inner")
724 .size_full()
725 .items_start()
726 .on_click(cx.listener(move |_, _, cx| {
727 cx.focus(&focus_handle);
728 }))
729 .child(
730 div()
731 .on_action(cx.listener(Self::focus_picker))
732 .on_action(cx.listener(Self::inline_assist))
733 .flex_grow()
734 .h_full()
735 .pt(Spacing::XXLarge.rems(cx))
736 .pl(Spacing::XXLarge.rems(cx))
737 .child(prompt_editor.editor.clone()),
738 )
739 .child(
740 v_flex()
741 .w_12()
742 .py(Spacing::Large.rems(cx))
743 .justify_start()
744 .items_end()
745 .gap_1()
746 .child(h_flex().h_8().font_family(buffer_font).when_some_else(
747 token_count,
748 |tokens_ready, token_count| {
749 tokens_ready.pr_3().justify_end().child(
750 // This isn't actually a button, it just let's us easily add
751 // a tooltip to the token count.
752 Button::new("token_count", token_count.clone())
753 .style(ButtonStyle::Transparent)
754 .color(Color::Muted)
755 .tooltip(move |cx| {
756 Tooltip::with_meta(
757 format!("{} tokens", token_count,),
758 None,
759 format!(
760 "Model: {}",
761 current_model.display_name()
762 ),
763 cx,
764 )
765 }),
766 )
767 },
768 |tokens_loading| {
769 tokens_loading.w_12().justify_center().child(
770 Icon::new(IconName::ArrowCircle)
771 .size(IconSize::Small)
772 .color(Color::Muted)
773 .with_animation(
774 "arrow-circle",
775 Animation::new(Duration::from_secs(4)).repeat(),
776 |icon, delta| {
777 icon.transform(Transformation::rotate(
778 percentage(delta),
779 ))
780 },
781 ),
782 )
783 },
784 ))
785 .child(
786 h_flex().justify_center().w_12().h_8().child(
787 IconButton::new("toggle-default-prompt", IconName::Sparkle)
788 .style(ButtonStyle::Transparent)
789 .selected(prompt_metadata.default)
790 .selected_icon(IconName::SparkleFilled)
791 .icon_color(if prompt_metadata.default {
792 Color::Accent
793 } else {
794 Color::Muted
795 })
796 .shape(IconButtonShape::Square)
797 .tooltip(move |cx| {
798 Tooltip::text(
799 if prompt_metadata.default {
800 "Remove from Default Prompt"
801 } else {
802 "Add to Default Prompt"
803 },
804 cx,
805 )
806 })
807 .on_click(|_, cx| {
808 cx.dispatch_action(Box::new(ToggleDefaultPrompt));
809 }),
810 ),
811 )
812 .child(
813 h_flex().justify_center().w_12().h_8().child(
814 IconButton::new("delete-prompt", IconName::Trash)
815 .size(ButtonSize::Large)
816 .style(ButtonStyle::Transparent)
817 .shape(IconButtonShape::Square)
818 .tooltip(move |cx| {
819 Tooltip::for_action(
820 "Delete Prompt",
821 &DeletePrompt,
822 cx,
823 )
824 })
825 .on_click(|_, cx| {
826 cx.dispatch_action(Box::new(DeletePrompt));
827 }),
828 ),
829 ),
830 ),
831 )
832 }))
833 }
834}
835
836impl Render for PromptLibrary {
837 fn render(&mut self, cx: &mut ViewContext<Self>) -> impl IntoElement {
838 let (ui_font, ui_font_size) = {
839 let theme_settings = ThemeSettings::get_global(cx);
840 (theme_settings.ui_font.clone(), theme_settings.ui_font_size)
841 };
842
843 let theme = cx.theme().clone();
844 cx.set_rem_size(ui_font_size);
845
846 h_flex()
847 .id("prompt-manager")
848 .key_context("PromptLibrary")
849 .on_action(cx.listener(|this, &NewPrompt, cx| this.new_prompt(cx)))
850 .on_action(cx.listener(|this, &DeletePrompt, cx| this.delete_active_prompt(cx)))
851 .on_action(cx.listener(|this, &ToggleDefaultPrompt, cx| {
852 this.toggle_default_for_active_prompt(cx)
853 }))
854 .size_full()
855 .overflow_hidden()
856 .font(ui_font)
857 .text_color(theme.colors().text)
858 .child(self.render_prompt_list(cx))
859 .child(self.render_active_prompt(cx))
860 }
861}
862
863#[derive(Clone, Debug, Serialize, Deserialize)]
864pub struct PromptMetadata {
865 pub id: PromptId,
866 pub title: Option<SharedString>,
867 pub default: bool,
868 pub saved_at: DateTime<Utc>,
869}
870
871#[derive(Clone, Copy, Debug, PartialEq, Eq, Hash, Serialize, Deserialize)]
872pub struct PromptId(Uuid);
873
874impl PromptId {
875 pub fn new() -> PromptId {
876 PromptId(Uuid::new_v4())
877 }
878}
879
880pub struct PromptStore {
881 executor: BackgroundExecutor,
882 env: heed::Env,
883 bodies: Database<SerdeBincode<PromptId>, SerdeBincode<String>>,
884 metadata: Database<SerdeBincode<PromptId>, SerdeBincode<PromptMetadata>>,
885 metadata_cache: RwLock<MetadataCache>,
886}
887
888#[derive(Default)]
889struct MetadataCache {
890 metadata: Vec<PromptMetadata>,
891 metadata_by_id: HashMap<PromptId, PromptMetadata>,
892}
893
894impl MetadataCache {
895 fn from_db(
896 db: Database<SerdeBincode<PromptId>, SerdeBincode<PromptMetadata>>,
897 txn: &RoTxn,
898 ) -> Result<Self> {
899 let mut cache = MetadataCache::default();
900 for result in db.iter(txn)? {
901 let (prompt_id, metadata) = result?;
902 cache.metadata.push(metadata.clone());
903 cache.metadata_by_id.insert(prompt_id, metadata);
904 }
905 cache.sort();
906 Ok(cache)
907 }
908
909 fn insert(&mut self, metadata: PromptMetadata) {
910 self.metadata_by_id.insert(metadata.id, metadata.clone());
911 if let Some(old_metadata) = self.metadata.iter_mut().find(|m| m.id == metadata.id) {
912 *old_metadata = metadata;
913 } else {
914 self.metadata.push(metadata);
915 }
916 self.sort();
917 }
918
919 fn remove(&mut self, id: PromptId) {
920 self.metadata.retain(|metadata| metadata.id != id);
921 self.metadata_by_id.remove(&id);
922 }
923
924 fn sort(&mut self) {
925 self.metadata.sort_unstable_by(|a, b| {
926 a.title
927 .cmp(&b.title)
928 .then_with(|| b.saved_at.cmp(&a.saved_at))
929 });
930 }
931}
932
933impl PromptStore {
934 pub fn global(cx: &AppContext) -> impl Future<Output = Result<Arc<Self>>> {
935 let store = GlobalPromptStore::global(cx).0.clone();
936 async move { store.await.map_err(|err| anyhow!(err)) }
937 }
938
939 pub fn new(db_path: PathBuf, executor: BackgroundExecutor) -> Task<Result<Self>> {
940 executor.spawn({
941 let executor = executor.clone();
942 async move {
943 std::fs::create_dir_all(&db_path)?;
944
945 let db_env = unsafe {
946 heed::EnvOpenOptions::new()
947 .map_size(1024 * 1024 * 1024) // 1GB
948 .max_dbs(2) // bodies and metadata
949 .open(db_path)?
950 };
951
952 let mut txn = db_env.write_txn()?;
953 let bodies = db_env.create_database(&mut txn, Some("bodies"))?;
954 let metadata = db_env.create_database(&mut txn, Some("metadata"))?;
955 let metadata_cache = MetadataCache::from_db(metadata, &txn)?;
956 txn.commit()?;
957
958 Ok(PromptStore {
959 executor,
960 env: db_env,
961 bodies,
962 metadata,
963 metadata_cache: RwLock::new(metadata_cache),
964 })
965 }
966 })
967 }
968
969 pub fn load(&self, id: PromptId) -> Task<Result<String>> {
970 let env = self.env.clone();
971 let bodies = self.bodies;
972 self.executor.spawn(async move {
973 let txn = env.read_txn()?;
974 bodies
975 .get(&txn, &id)?
976 .ok_or_else(|| anyhow!("prompt not found"))
977 })
978 }
979
980 pub fn default_prompt_metadata(&self) -> Vec<PromptMetadata> {
981 return self
982 .metadata_cache
983 .read()
984 .metadata
985 .iter()
986 .filter(|metadata| metadata.default)
987 .cloned()
988 .collect::<Vec<_>>();
989 }
990
991 pub fn delete(&self, id: PromptId) -> Task<Result<()>> {
992 self.metadata_cache.write().remove(id);
993
994 let db_connection = self.env.clone();
995 let bodies = self.bodies;
996 let metadata = self.metadata;
997
998 self.executor.spawn(async move {
999 let mut txn = db_connection.write_txn()?;
1000
1001 metadata.delete(&mut txn, &id)?;
1002 bodies.delete(&mut txn, &id)?;
1003
1004 txn.commit()?;
1005 Ok(())
1006 })
1007 }
1008
1009 fn metadata(&self, id: PromptId) -> Option<PromptMetadata> {
1010 self.metadata_cache.read().metadata_by_id.get(&id).cloned()
1011 }
1012
1013 pub fn id_for_title(&self, title: &str) -> Option<PromptId> {
1014 let metadata_cache = self.metadata_cache.read();
1015 let metadata = metadata_cache
1016 .metadata
1017 .iter()
1018 .find(|metadata| metadata.title.as_ref().map(|title| &***title) == Some(title))?;
1019 Some(metadata.id)
1020 }
1021
1022 pub fn search(&self, query: String) -> Task<Vec<PromptMetadata>> {
1023 let cached_metadata = self.metadata_cache.read().metadata.clone();
1024 let executor = self.executor.clone();
1025 self.executor.spawn(async move {
1026 let mut matches = if query.is_empty() {
1027 cached_metadata
1028 } else {
1029 let candidates = cached_metadata
1030 .iter()
1031 .enumerate()
1032 .filter_map(|(ix, metadata)| {
1033 Some(StringMatchCandidate::new(
1034 ix,
1035 metadata.title.as_ref()?.to_string(),
1036 ))
1037 })
1038 .collect::<Vec<_>>();
1039 let matches = fuzzy::match_strings(
1040 &candidates,
1041 &query,
1042 false,
1043 100,
1044 &AtomicBool::default(),
1045 executor,
1046 )
1047 .await;
1048 matches
1049 .into_iter()
1050 .map(|mat| cached_metadata[mat.candidate_id].clone())
1051 .collect()
1052 };
1053 matches.sort_by_key(|metadata| Reverse(metadata.default));
1054 matches
1055 })
1056 }
1057
1058 fn save(
1059 &self,
1060 id: PromptId,
1061 title: Option<SharedString>,
1062 default: bool,
1063 body: Rope,
1064 ) -> Task<Result<()>> {
1065 let prompt_metadata = PromptMetadata {
1066 id,
1067 title,
1068 default,
1069 saved_at: Utc::now(),
1070 };
1071 self.metadata_cache.write().insert(prompt_metadata.clone());
1072
1073 let db_connection = self.env.clone();
1074 let bodies = self.bodies;
1075 let metadata = self.metadata;
1076
1077 self.executor.spawn(async move {
1078 let mut txn = db_connection.write_txn()?;
1079
1080 metadata.put(&mut txn, &id, &prompt_metadata)?;
1081 bodies.put(&mut txn, &id, &body.to_string())?;
1082
1083 txn.commit()?;
1084
1085 Ok(())
1086 })
1087 }
1088
1089 fn save_metadata(
1090 &self,
1091 id: PromptId,
1092 title: Option<SharedString>,
1093 default: bool,
1094 ) -> Task<Result<()>> {
1095 let prompt_metadata = PromptMetadata {
1096 id,
1097 title,
1098 default,
1099 saved_at: Utc::now(),
1100 };
1101 self.metadata_cache.write().insert(prompt_metadata.clone());
1102
1103 let db_connection = self.env.clone();
1104 let metadata = self.metadata;
1105
1106 self.executor.spawn(async move {
1107 let mut txn = db_connection.write_txn()?;
1108 metadata.put(&mut txn, &id, &prompt_metadata)?;
1109 txn.commit()?;
1110
1111 Ok(())
1112 })
1113 }
1114
1115 fn first(&self) -> Option<PromptMetadata> {
1116 self.metadata_cache.read().metadata.first().cloned()
1117 }
1118}
1119
1120/// Wraps a shared future to a prompt store so it can be assigned as a context global.
1121pub struct GlobalPromptStore(
1122 Shared<BoxFuture<'static, Result<Arc<PromptStore>, Arc<anyhow::Error>>>>,
1123);
1124
1125impl Global for GlobalPromptStore {}
1126
1127fn title_from_body(body: impl IntoIterator<Item = char>) -> Option<SharedString> {
1128 let mut chars = body.into_iter().take_while(|c| *c != '\n').peekable();
1129
1130 let mut level = 0;
1131 while let Some('#') = chars.peek() {
1132 level += 1;
1133 chars.next();
1134 }
1135
1136 if level > 0 {
1137 let title = chars.collect::<String>().trim().to_string();
1138 if title.is_empty() {
1139 None
1140 } else {
1141 Some(title.into())
1142 }
1143 } else {
1144 None
1145 }
1146}