1#![cfg_attr(target_os = "windows", allow(unused, dead_code))]
2
3mod assistant_configuration;
4pub mod assistant_panel;
5mod inline_assistant;
6pub mod slash_command_settings;
7mod terminal_inline_assistant;
8
9use std::sync::Arc;
10
11use assistant_settings::AssistantSettings;
12use assistant_slash_command::SlashCommandRegistry;
13use assistant_slash_commands::{ProjectSlashCommandFeatureFlag, SearchSlashCommandFeatureFlag};
14use client::Client;
15use command_palette_hooks::CommandPaletteFilter;
16use feature_flags::FeatureFlagAppExt;
17use fs::Fs;
18use gpui::{actions, App, Global, UpdateGlobal};
19use language_model::{
20 LanguageModelId, LanguageModelProviderId, LanguageModelRegistry, LanguageModelResponseMessage,
21};
22use prompt_store::PromptBuilder;
23use semantic_index::{CloudEmbeddingProvider, SemanticDb};
24use serde::Deserialize;
25use settings::{Settings, SettingsStore};
26
27pub use crate::assistant_panel::{AssistantPanel, AssistantPanelEvent};
28pub(crate) use crate::inline_assistant::*;
29use crate::slash_command_settings::SlashCommandSettings;
30
31actions!(
32 assistant,
33 [
34 InsertActivePrompt,
35 DeployHistory,
36 NewChat,
37 CycleNextInlineAssist,
38 CyclePreviousInlineAssist
39 ]
40);
41
42const DEFAULT_CONTEXT_LINES: usize = 50;
43
44#[derive(Deserialize, Debug)]
45pub struct LanguageModelUsage {
46 pub prompt_tokens: u32,
47 pub completion_tokens: u32,
48 pub total_tokens: u32,
49}
50
51#[derive(Deserialize, Debug)]
52pub struct LanguageModelChoiceDelta {
53 pub index: u32,
54 pub delta: LanguageModelResponseMessage,
55 pub finish_reason: Option<String>,
56}
57
58/// The state pertaining to the Assistant.
59#[derive(Default)]
60struct Assistant {
61 /// Whether the Assistant is enabled.
62 enabled: bool,
63}
64
65impl Global for Assistant {}
66
67impl Assistant {
68 const NAMESPACE: &'static str = "assistant";
69
70 fn set_enabled(&mut self, enabled: bool, cx: &mut App) {
71 if self.enabled == enabled {
72 return;
73 }
74
75 self.enabled = enabled;
76
77 if !enabled {
78 CommandPaletteFilter::update_global(cx, |filter, _cx| {
79 filter.hide_namespace(Self::NAMESPACE);
80 });
81
82 return;
83 }
84
85 CommandPaletteFilter::update_global(cx, |filter, _cx| {
86 filter.show_namespace(Self::NAMESPACE);
87 });
88 }
89}
90
91pub fn init(
92 fs: Arc<dyn Fs>,
93 client: Arc<Client>,
94 prompt_builder: Arc<PromptBuilder>,
95 cx: &mut App,
96) {
97 cx.set_global(Assistant::default());
98 AssistantSettings::register(cx);
99 SlashCommandSettings::register(cx);
100
101 cx.spawn({
102 let client = client.clone();
103 async move |cx| {
104 let is_search_slash_command_enabled = cx
105 .update(|cx| cx.wait_for_flag::<SearchSlashCommandFeatureFlag>())?
106 .await;
107 let is_project_slash_command_enabled = cx
108 .update(|cx| cx.wait_for_flag::<ProjectSlashCommandFeatureFlag>())?
109 .await;
110
111 if !is_search_slash_command_enabled && !is_project_slash_command_enabled {
112 return Ok(());
113 }
114
115 let embedding_provider = CloudEmbeddingProvider::new(client.clone());
116 let semantic_index = SemanticDb::new(
117 paths::embeddings_dir().join("semantic-index-db.0.mdb"),
118 Arc::new(embedding_provider),
119 cx,
120 )
121 .await?;
122
123 cx.update(|cx| cx.set_global(semantic_index))
124 }
125 })
126 .detach();
127
128 assistant_context_editor::init(client.clone(), cx);
129 prompt_library::init(cx);
130 init_language_model_settings(cx);
131 assistant_slash_command::init(cx);
132 assistant_tool::init(cx);
133 assistant_panel::init(cx);
134 context_server::init(cx);
135
136 register_slash_commands(Some(prompt_builder.clone()), cx);
137 inline_assistant::init(
138 fs.clone(),
139 prompt_builder.clone(),
140 client.telemetry().clone(),
141 cx,
142 );
143 terminal_inline_assistant::init(
144 fs.clone(),
145 prompt_builder.clone(),
146 client.telemetry().clone(),
147 cx,
148 );
149 indexed_docs::init(cx);
150
151 CommandPaletteFilter::update_global(cx, |filter, _cx| {
152 filter.hide_namespace(Assistant::NAMESPACE);
153 });
154 Assistant::update_global(cx, |assistant, cx| {
155 let settings = AssistantSettings::get_global(cx);
156
157 assistant.set_enabled(settings.enabled, cx);
158 });
159 cx.observe_global::<SettingsStore>(|cx| {
160 Assistant::update_global(cx, |assistant, cx| {
161 let settings = AssistantSettings::get_global(cx);
162 assistant.set_enabled(settings.enabled, cx);
163 });
164 })
165 .detach();
166}
167
168fn init_language_model_settings(cx: &mut App) {
169 update_active_language_model_from_settings(cx);
170
171 cx.observe_global::<SettingsStore>(update_active_language_model_from_settings)
172 .detach();
173 cx.subscribe(
174 &LanguageModelRegistry::global(cx),
175 |_, event: &language_model::Event, cx| match event {
176 language_model::Event::ProviderStateChanged
177 | language_model::Event::AddedProvider(_)
178 | language_model::Event::RemovedProvider(_) => {
179 update_active_language_model_from_settings(cx);
180 }
181 _ => {}
182 },
183 )
184 .detach();
185}
186
187fn update_active_language_model_from_settings(cx: &mut App) {
188 let settings = AssistantSettings::get_global(cx);
189 let active_model_provider_name =
190 LanguageModelProviderId::from(settings.default_model.provider.clone());
191 let active_model_id = LanguageModelId::from(settings.default_model.model.clone());
192 let editor_provider_name =
193 LanguageModelProviderId::from(settings.editor_model.provider.clone());
194 let editor_model_id = LanguageModelId::from(settings.editor_model.model.clone());
195 let inline_alternatives = settings
196 .inline_alternatives
197 .iter()
198 .map(|alternative| {
199 (
200 LanguageModelProviderId::from(alternative.provider.clone()),
201 LanguageModelId::from(alternative.model.clone()),
202 )
203 })
204 .collect::<Vec<_>>();
205 LanguageModelRegistry::global(cx).update(cx, |registry, cx| {
206 registry.select_active_model(&active_model_provider_name, &active_model_id, cx);
207 registry.select_editor_model(&editor_provider_name, &editor_model_id, cx);
208 registry.select_inline_alternative_models(inline_alternatives, cx);
209 });
210}
211
212fn register_slash_commands(prompt_builder: Option<Arc<PromptBuilder>>, cx: &mut App) {
213 let slash_command_registry = SlashCommandRegistry::global(cx);
214
215 slash_command_registry.register_command(assistant_slash_commands::FileSlashCommand, true);
216 slash_command_registry.register_command(assistant_slash_commands::DeltaSlashCommand, true);
217 slash_command_registry.register_command(assistant_slash_commands::OutlineSlashCommand, true);
218 slash_command_registry.register_command(assistant_slash_commands::TabSlashCommand, true);
219 slash_command_registry
220 .register_command(assistant_slash_commands::CargoWorkspaceSlashCommand, true);
221 slash_command_registry.register_command(assistant_slash_commands::PromptSlashCommand, true);
222 slash_command_registry.register_command(assistant_slash_commands::SelectionCommand, true);
223 slash_command_registry.register_command(assistant_slash_commands::DefaultSlashCommand, false);
224 slash_command_registry.register_command(assistant_slash_commands::TerminalSlashCommand, true);
225 slash_command_registry.register_command(assistant_slash_commands::NowSlashCommand, false);
226 slash_command_registry
227 .register_command(assistant_slash_commands::DiagnosticsSlashCommand, true);
228 slash_command_registry.register_command(assistant_slash_commands::FetchSlashCommand, true);
229
230 if let Some(prompt_builder) = prompt_builder {
231 cx.observe_flag::<assistant_slash_commands::ProjectSlashCommandFeatureFlag, _>({
232 let slash_command_registry = slash_command_registry.clone();
233 move |is_enabled, _cx| {
234 if is_enabled {
235 slash_command_registry.register_command(
236 assistant_slash_commands::ProjectSlashCommand::new(prompt_builder.clone()),
237 true,
238 );
239 }
240 }
241 })
242 .detach();
243 }
244
245 cx.observe_flag::<assistant_slash_commands::AutoSlashCommandFeatureFlag, _>({
246 let slash_command_registry = slash_command_registry.clone();
247 move |is_enabled, _cx| {
248 if is_enabled {
249 // [#auto-staff-ship] TODO remove this when /auto is no longer staff-shipped
250 slash_command_registry
251 .register_command(assistant_slash_commands::AutoCommand, true);
252 }
253 }
254 })
255 .detach();
256
257 cx.observe_flag::<assistant_slash_commands::StreamingExampleSlashCommandFeatureFlag, _>({
258 let slash_command_registry = slash_command_registry.clone();
259 move |is_enabled, _cx| {
260 if is_enabled {
261 slash_command_registry.register_command(
262 assistant_slash_commands::StreamingExampleSlashCommand,
263 false,
264 );
265 }
266 }
267 })
268 .detach();
269
270 update_slash_commands_from_settings(cx);
271 cx.observe_global::<SettingsStore>(update_slash_commands_from_settings)
272 .detach();
273
274 cx.observe_flag::<assistant_slash_commands::SearchSlashCommandFeatureFlag, _>({
275 let slash_command_registry = slash_command_registry.clone();
276 move |is_enabled, _cx| {
277 if is_enabled {
278 slash_command_registry
279 .register_command(assistant_slash_commands::SearchSlashCommand, true);
280 }
281 }
282 })
283 .detach();
284}
285
286fn update_slash_commands_from_settings(cx: &mut App) {
287 let slash_command_registry = SlashCommandRegistry::global(cx);
288 let settings = SlashCommandSettings::get_global(cx);
289
290 if settings.docs.enabled {
291 slash_command_registry.register_command(assistant_slash_commands::DocsSlashCommand, true);
292 } else {
293 slash_command_registry.unregister_command(assistant_slash_commands::DocsSlashCommand);
294 }
295
296 if settings.cargo_workspace.enabled {
297 slash_command_registry
298 .register_command(assistant_slash_commands::CargoWorkspaceSlashCommand, true);
299 } else {
300 slash_command_registry
301 .unregister_command(assistant_slash_commands::CargoWorkspaceSlashCommand);
302 }
303}
304
305#[cfg(test)]
306#[ctor::ctor]
307fn init_logger() {
308 if std::env::var("RUST_LOG").is_ok() {
309 env_logger::init();
310 }
311}