feat: implement basic file watcher and session updater

server/src/shared/database/repositories/sessions.db.ts

@@ -0,0 +1,87 @@
+import { workspaceOriginalPathsDb } from '@/shared/database/repositories/workspace-original-paths.db.js';
+import { getConnection } from '@/shared/database/connection.js';
+import type {
+    SessionNameLookupRow,
+    SessionWithSummary,
+} from '@/shared/database/types.js';
+import { logger } from '@/shared/utils/logger.js';
+
+// ---------------------------------------------------------------------------
+// Queries
+// ---------------------------------------------------------------------------
+
+export const sessionsDb = {
+
+    createSession(session_id: string, provider: string, workspacePath: string, customName?: string): void {
+        const db = getConnection();
+
+        // First, ensure the workspace path is recorded in the workspace_original_paths table
+        // since it's a foreign key in the sessions table.
+        workspaceOriginalPathsDb.createWorkspacePath(workspacePath);
+
+        db.prepare(
+            'INSERT OR IGNORE INTO sessions (session_id, provider, custom_name, workspace_path) VALUES (?, ?, ?, ?)'
+        ).run(session_id, provider, customName, workspacePath);
+    },
+
+    deleteSession(session_id: string): void {
+        const db = getConnection();
+        db.prepare('DELETE FROM sessions WHERE session_id = ?').run(session_id);
+    }
+
+
+    // /** Inserts or updates a custom session name (upsert on session_id + provider). */
+    // setName(sessionId: string, provider: string, customName: string): void {
+    //   const db = getConnection();
+    //   db.prepare(
+    //     `INSERT INTO session_names (session_id, provider, custom_name)
+    //      VALUES (?, ?, ?)
+    //      ON CONFLICT(session_id, provider)
+    //      DO UPDATE SET custom_name = excluded.custom_name,
+    //                    updated_at = CURRENT_TIMESTAMP`
+    //   ).run(sessionId, provider, customName);
+    // },
+
+    /** Returns the custom name for a single session, or null if unset. */
+    // getName(sessionId: string, provider: string): string | null {
+    //   const db = getConnection();
+    //   const row = db
+    //     .prepare(
+    //       'SELECT custom_name FROM session_names WHERE session_id = ? AND provider = ?'
+    //     )
+    //     .get(sessionId, provider) as { custom_name: string } | undefined;
+    //   return row?.custom_name ?? null;
+    // },
+
+    /**
+     * Batch lookup for multiple session IDs.
+     * Returns a Map<sessionId, customName> for efficient overlay onto session lists.
+     */
+    // getNames(sessionIds: string[], provider: string): Map<string, string> {
+    //   if (sessionIds.length === 0) return new Map();
+
+    //   const db = getConnection();
+    //   const placeholders = sessionIds.map(() => '?').join(',');
+    //   const rows = db
+    //     .prepare(
+    //       `SELECT session_id, custom_name FROM session_names
+    //        WHERE session_id IN (${placeholders}) AND provider = ?`
+    //     )
+    //     .all(...sessionIds, provider) as SessionNameLookupRow[];
+
+    //   return new Map(rows.map((r) => [r.session_id, r.custom_name]));
+    // },
+
+    /** Removes a custom session name. Returns true if a row was deleted. */
+    // deleteName(sessionId: string, provider: string): boolean {
+    //   const db = getConnection();
+    //   return (
+    //     db
+    //       .prepare(
+    //         'DELETE FROM session_names WHERE session_id = ? AND provider = ?'
+    //       )
+    //       .run(sessionId, provider).changes > 0
+    //   );
+    // },
+};
+