1use crate::{DbThread, DbThreadMetadata, ThreadsDatabase};
2use agent_client_protocol as acp;
3use anyhow::{Result, anyhow};
4use gpui::{App, Context, Entity, Global, Task, prelude::*};
5use project::Project;
6use std::rc::Rc;
7
8struct GlobalThreadStore(Entity<ThreadStore>);
9
10impl Global for GlobalThreadStore {}
11
12// TODO: Remove once ACP thread loading is fully handled elsewhere.
13pub fn load_agent_thread(
14 session_id: acp::SessionId,
15 thread_store: Entity<ThreadStore>,
16 project: Entity<Project>,
17 cx: &mut App,
18) -> Task<Result<Entity<crate::Thread>>> {
19 use agent_servers::{AgentServer, AgentServerDelegate};
20
21 let server = Rc::new(crate::NativeAgentServer::new(
22 project.read(cx).fs().clone(),
23 thread_store,
24 ));
25 let delegate = AgentServerDelegate::new(
26 project.read(cx).agent_server_store().clone(),
27 project.clone(),
28 None,
29 None,
30 );
31 let connection = server.connect(None, delegate, cx);
32 cx.spawn(async move |cx| {
33 let (agent, _) = connection.await?;
34 let agent = agent.downcast::<crate::NativeAgentConnection>().unwrap();
35 cx.update(|cx| agent.load_thread(session_id, cx)).await
36 })
37}
38
39pub struct ThreadStore {
40 threads: Vec<DbThreadMetadata>,
41}
42
43impl ThreadStore {
44 pub fn init_global(cx: &mut App) {
45 let thread_store = cx.new(|cx| Self::new(cx));
46 cx.set_global(GlobalThreadStore(thread_store));
47 }
48
49 pub fn global(cx: &App) -> Entity<Self> {
50 cx.global::<GlobalThreadStore>().0.clone()
51 }
52
53 pub fn new(cx: &mut Context<Self>) -> Self {
54 let this = Self {
55 threads: Vec::new(),
56 };
57 this.reload(cx);
58 this
59 }
60
61 pub fn thread_from_session_id(&self, session_id: &acp::SessionId) -> Option<&DbThreadMetadata> {
62 self.threads.iter().find(|thread| &thread.id == session_id)
63 }
64
65 pub fn load_thread(
66 &mut self,
67 id: acp::SessionId,
68 cx: &mut Context<Self>,
69 ) -> Task<Result<Option<DbThread>>> {
70 let database_future = ThreadsDatabase::connect(cx);
71 cx.background_spawn(async move {
72 let database = database_future.await.map_err(|err| anyhow!(err))?;
73 database.load_thread(id).await
74 })
75 }
76
77 pub fn save_thread(
78 &mut self,
79 id: acp::SessionId,
80 thread: crate::DbThread,
81 cx: &mut Context<Self>,
82 ) -> Task<Result<()>> {
83 let database_future = ThreadsDatabase::connect(cx);
84 cx.spawn(async move |this, cx| {
85 let database = database_future.await.map_err(|err| anyhow!(err))?;
86 database.save_thread(id, thread).await?;
87 this.update(cx, |this, cx| this.reload(cx))
88 })
89 }
90
91 pub fn delete_thread(
92 &mut self,
93 id: acp::SessionId,
94 cx: &mut Context<Self>,
95 ) -> Task<Result<()>> {
96 let database_future = ThreadsDatabase::connect(cx);
97 cx.spawn(async move |this, cx| {
98 let database = database_future.await.map_err(|err| anyhow!(err))?;
99 database.delete_thread(id.clone()).await?;
100 this.update(cx, |this, cx| this.reload(cx))
101 })
102 }
103
104 pub fn delete_threads(&mut self, cx: &mut Context<Self>) -> Task<Result<()>> {
105 let database_future = ThreadsDatabase::connect(cx);
106 cx.spawn(async move |this, cx| {
107 let database = database_future.await.map_err(|err| anyhow!(err))?;
108 database.delete_threads().await?;
109 this.update(cx, |this, cx| this.reload(cx))
110 })
111 }
112
113 pub fn reload(&self, cx: &mut Context<Self>) {
114 let database_connection = ThreadsDatabase::connect(cx);
115 cx.spawn(async move |this, cx| {
116 let database = database_connection.await.map_err(|err| anyhow!(err))?;
117 let threads = database.list_threads().await?;
118 this.update(cx, |this, cx| {
119 this.threads = threads;
120 cx.notify();
121 })
122 })
123 .detach_and_log_err(cx);
124 }
125
126 pub fn is_empty(&self) -> bool {
127 self.threads.is_empty()
128 }
129
130 pub fn entries(&self) -> impl Iterator<Item = DbThreadMetadata> + '_ {
131 self.threads.iter().cloned()
132 }
133}
134
135#[cfg(test)]
136mod tests {
137 use super::*;
138 use chrono::{DateTime, TimeZone, Utc};
139 use collections::HashMap;
140 use gpui::TestAppContext;
141 use std::sync::Arc;
142
143 fn session_id(value: &str) -> acp::SessionId {
144 acp::SessionId::new(Arc::<str>::from(value))
145 }
146
147 fn make_thread(title: &str, updated_at: DateTime<Utc>) -> DbThread {
148 DbThread {
149 title: title.to_string().into(),
150 messages: Vec::new(),
151 updated_at,
152 detailed_summary: None,
153 initial_project_snapshot: None,
154 cumulative_token_usage: Default::default(),
155 request_token_usage: HashMap::default(),
156 model: None,
157 profile: None,
158 imported: false,
159 }
160 }
161
162 #[gpui::test]
163 async fn test_entries_are_sorted_by_updated_at(cx: &mut TestAppContext) {
164 let thread_store = cx.new(|cx| ThreadStore::new(cx));
165 cx.run_until_parked();
166
167 let older_id = session_id("thread-a");
168 let newer_id = session_id("thread-b");
169
170 let older_thread = make_thread(
171 "Thread A",
172 Utc.with_ymd_and_hms(2024, 1, 1, 0, 0, 0).unwrap(),
173 );
174 let newer_thread = make_thread(
175 "Thread B",
176 Utc.with_ymd_and_hms(2024, 1, 2, 0, 0, 0).unwrap(),
177 );
178
179 let save_older = thread_store.update(cx, |store, cx| {
180 store.save_thread(older_id.clone(), older_thread, cx)
181 });
182 save_older.await.unwrap();
183
184 let save_newer = thread_store.update(cx, |store, cx| {
185 store.save_thread(newer_id.clone(), newer_thread, cx)
186 });
187 save_newer.await.unwrap();
188
189 cx.run_until_parked();
190
191 let entries: Vec<_> = thread_store.read_with(cx, |store, _cx| store.entries().collect());
192 assert_eq!(entries.len(), 2);
193 assert_eq!(entries[0].id, newer_id);
194 assert_eq!(entries[1].id, older_id);
195 }
196
197 #[gpui::test]
198 async fn test_delete_threads_clears_entries(cx: &mut TestAppContext) {
199 let thread_store = cx.new(|cx| ThreadStore::new(cx));
200 cx.run_until_parked();
201
202 let thread_id = session_id("thread-a");
203 let thread = make_thread(
204 "Thread A",
205 Utc.with_ymd_and_hms(2024, 1, 1, 0, 0, 0).unwrap(),
206 );
207
208 let save_task =
209 thread_store.update(cx, |store, cx| store.save_thread(thread_id, thread, cx));
210 save_task.await.unwrap();
211
212 cx.run_until_parked();
213 assert!(!thread_store.read_with(cx, |store, _cx| store.is_empty()));
214
215 let delete_task = thread_store.update(cx, |store, cx| store.delete_threads(cx));
216 delete_task.await.unwrap();
217 cx.run_until_parked();
218
219 assert!(thread_store.read_with(cx, |store, _cx| store.is_empty()));
220 }
221
222 #[gpui::test]
223 async fn test_delete_thread_removes_only_target(cx: &mut TestAppContext) {
224 let thread_store = cx.new(|cx| ThreadStore::new(cx));
225 cx.run_until_parked();
226
227 let first_id = session_id("thread-a");
228 let second_id = session_id("thread-b");
229
230 let first_thread = make_thread(
231 "Thread A",
232 Utc.with_ymd_and_hms(2024, 1, 1, 0, 0, 0).unwrap(),
233 );
234 let second_thread = make_thread(
235 "Thread B",
236 Utc.with_ymd_and_hms(2024, 1, 2, 0, 0, 0).unwrap(),
237 );
238
239 let save_first = thread_store.update(cx, |store, cx| {
240 store.save_thread(first_id.clone(), first_thread, cx)
241 });
242 save_first.await.unwrap();
243 let save_second = thread_store.update(cx, |store, cx| {
244 store.save_thread(second_id.clone(), second_thread, cx)
245 });
246 save_second.await.unwrap();
247 cx.run_until_parked();
248
249 let delete_task =
250 thread_store.update(cx, |store, cx| store.delete_thread(first_id.clone(), cx));
251 delete_task.await.unwrap();
252 cx.run_until_parked();
253
254 let entries: Vec<_> = thread_store.read_with(cx, |store, _cx| store.entries().collect());
255 assert_eq!(entries.len(), 1);
256 assert_eq!(entries[0].id, second_id);
257 }
258
259 #[gpui::test]
260 async fn test_save_thread_refreshes_ordering(cx: &mut TestAppContext) {
261 let thread_store = cx.new(|cx| ThreadStore::new(cx));
262 cx.run_until_parked();
263
264 let first_id = session_id("thread-a");
265 let second_id = session_id("thread-b");
266
267 let first_thread = make_thread(
268 "Thread A",
269 Utc.with_ymd_and_hms(2024, 1, 1, 0, 0, 0).unwrap(),
270 );
271 let second_thread = make_thread(
272 "Thread B",
273 Utc.with_ymd_and_hms(2024, 1, 2, 0, 0, 0).unwrap(),
274 );
275
276 let save_first = thread_store.update(cx, |store, cx| {
277 store.save_thread(first_id.clone(), first_thread, cx)
278 });
279 save_first.await.unwrap();
280 let save_second = thread_store.update(cx, |store, cx| {
281 store.save_thread(second_id.clone(), second_thread, cx)
282 });
283 save_second.await.unwrap();
284 cx.run_until_parked();
285
286 let updated_first = make_thread(
287 "Thread A",
288 Utc.with_ymd_and_hms(2024, 1, 3, 0, 0, 0).unwrap(),
289 );
290 let update_task = thread_store.update(cx, |store, cx| {
291 store.save_thread(first_id.clone(), updated_first, cx)
292 });
293 update_task.await.unwrap();
294 cx.run_until_parked();
295
296 let entries: Vec<_> = thread_store.read_with(cx, |store, _cx| store.entries().collect());
297 assert_eq!(entries.len(), 2);
298 assert_eq!(entries[0].id, first_id);
299 assert_eq!(entries[1].id, second_id);
300 }
301}