perf: added cache for project, session

src/server/hono/initialize.ts

@@ -0,0 +1,41 @@
+import { eventBus } from "../service/events/EventBus";
+import { fileWatcher } from "../service/events/fileWatcher";
+import type { ProjectRepository } from "../service/project/ProjectRepository";
+import { projectMetaStorage } from "../service/project/projectMetaStorage";
+import type { SessionRepository } from "../service/session/SessionRepository";
+import { sessionMetaStorage } from "../service/session/sessionMetaStorage";
+
+export const initialize = async (deps: {
+  sessionRepository: SessionRepository;
+  projectRepository: ProjectRepository;
+}): Promise<void> => {
+  fileWatcher.startWatching();
+
+  setInterval(() => {
+    eventBus.emit("heartbeat", {});
+  }, 10 * 1000);
+
+  eventBus.on("sessionChanged", (event) => {
+    projectMetaStorage.invalidateProject(event.projectId);
+    sessionMetaStorage.invalidateSession(event.projectId, event.sessionId);
+  });
+
+  try {
+    console.log("Initializing projects cache");
+    const { projects } = await deps.projectRepository.getProjects();
+    console.log(`${projects.length} projects cache initialized`);
+
+    console.log("Initializing sessions cache");
+    const results = await Promise.all(
+      projects.map((project) => deps.sessionRepository.getSessions(project.id))
+    );
+    console.log(
+      `${results.reduce(
+        (s, { sessions }) => s + sessions.length,
+        0
+      )} sessions cache initialized`
+    );
+  } catch {
+    // do nothing
+  }
+};