feat: added session indexer logic

server/modules/providers/list/cursor/cursor-session-synchronizer.provider.ts

@@ -0,0 +1,178 @@
+import crypto from 'node:crypto';
+import fs from 'node:fs';
+import fsp from 'node:fs/promises';
+import os from 'node:os';
+import path from 'node:path';
+import readline from 'node:readline';
+
+import { sessionsDb } from '@/modules/database/index.js';
+import {
+  extractFirstValidJsonlData,
+  findFilesRecursivelyCreatedAfter,
+  normalizeSessionName,
+  readFileTimestamps,
+} from '@/shared/utils.js';
+import type { IProviderSessionSynchronizer } from '@/shared/interfaces.js';
+
+type ParsedSession = {
+  sessionId: string;
+  projectPath: string;
+  sessionName?: string;
+};
+
+/**
+ * Returns directory entries or an empty list when the folder is missing.
+ */
+async function listDirectoryEntriesSafe(
+  directoryPath: string
+): Promise<import('node:fs').Dirent[]> {
+  try {
+    return await fsp.readdir(directoryPath, { withFileTypes: true });
+  } catch {
+    return [];
+  }
+}
+
+/**
+ * Session indexer for Cursor transcript artifacts.
+ */
+export class CursorSessionSynchronizer implements IProviderSessionSynchronizer {
+  private readonly provider = 'cursor' as const;
+  private readonly cursorHome = path.join(os.homedir(), '.cursor');
+
+  /**
+   * Scans Cursor chats and upserts discovered sessions into DB.
+   */
+  async synchronize(since?: Date): Promise<number> {
+    const projectsDir = path.join(this.cursorHome, 'projects');
+    const projectEntries = await listDirectoryEntriesSafe(projectsDir);
+    const seenProjectPaths = new Set<string>();
+
+    let processed = 0;
+    for (const entry of projectEntries) {
+      if (!entry.isDirectory()) {
+        continue;
+      }
+
+      const workerLogPath = path.join(projectsDir, entry.name, 'worker.log');
+      const projectPath = await this.extractProjectPathFromWorkerLog(workerLogPath);
+      if (!projectPath || seenProjectPaths.has(projectPath)) {
+        continue;
+      }
+
+      seenProjectPaths.add(projectPath);
+      const projectHash = this.md5(projectPath);
+      const chatsDir = path.join(this.cursorHome, 'chats', projectHash);
+      const files = await findFilesRecursivelyCreatedAfter(chatsDir, '.jsonl', since ?? null);
+
+      for (const filePath of files) {
+        const parsed = await this.processSessionFile(filePath);
+        if (!parsed) {
+          continue;
+        }
+
+        const timestamps = await readFileTimestamps(filePath);
+        sessionsDb.createSession(
+          parsed.sessionId,
+          this.provider,
+          parsed.projectPath,
+          parsed.sessionName,
+          timestamps.createdAt,
+          timestamps.updatedAt,
+          filePath
+        );
+        processed += 1;
+      }
+    }
+
+    return processed;
+  }
+
+  /**
+   * Parses and upserts one Cursor session JSONL file.
+   */
+  async synchronizeFile(filePath: string): Promise<boolean> {
+    if (!filePath.endsWith('.jsonl')) {
+      return false;
+    }
+
+    const parsed = await this.processSessionFile(filePath);
+    if (!parsed) {
+      return false;
+    }
+
+    const timestamps = await readFileTimestamps(filePath);
+    sessionsDb.createSession(
+      parsed.sessionId,
+      this.provider,
+      parsed.projectPath,
+      parsed.sessionName,
+      timestamps.createdAt,
+      timestamps.updatedAt,
+      filePath
+    );
+
+    return true;
+  }
+
+  /**
+   * Produces the same project hash Cursor uses in chat directory names.
+   */
+  private md5(input: string): string {
+    return crypto.createHash('md5').update(input).digest('hex');
+  }
+
+  /**
+   * Extracts project path from Cursor worker.log.
+   */
+  private async extractProjectPathFromWorkerLog(filePath: string): Promise<string | null> {
+    try {
+      const fileStream = fs.createReadStream(filePath, { encoding: 'utf8' });
+      const lineReader = readline.createInterface({ input: fileStream, crlfDelay: Infinity });
+
+      for await (const line of lineReader) {
+        const match = line.match(/workspacePath=(.*)$/);
+        const projectPath = match?.[1]?.trim();
+        if (projectPath) {
+          lineReader.close();
+          fileStream.close();
+          return projectPath;
+        }
+      }
+    } catch {
+      // Missing worker logs are valid for partial or incomplete session data.
+    }
+
+    return null;
+  }
+
+  /**
+   * Extracts session metadata from one Cursor JSONL session file.
+   */
+  private async processSessionFile(filePath: string): Promise<ParsedSession | null> {
+    const sessionId = path.basename(filePath, '.jsonl');
+    const grandparentDir = path.dirname(path.dirname(filePath));
+    const workerLogPath = path.join(grandparentDir, 'worker.log');
+    const projectPath = await this.extractProjectPathFromWorkerLog(workerLogPath);
+
+    if (!projectPath) {
+      return null;
+    }
+
+    return extractFirstValidJsonlData(filePath, (rawData) => {
+      const data = rawData as Record<string, any>;
+      if (data.role !== 'user') {
+        return null;
+      }
+
+      const text = typeof data.message?.content?.[0]?.text === 'string' ? data.message.content[0].text : '';
+      const firstLine = text.replace(/<\/?user_query>/g, '').trim().split('\n')[0];
+
+      return {
+        sessionId,
+        projectPath,
+        sessionName: normalizeSessionName(firstLine, 'Untitled Cursor Session'),
+      };
+    });
+  }
+}

server/modules/providers/list/cursor/cursor.provider.ts

@@ -1,13 +1,15 @@
 import { AbstractProvider } from '@/modules/providers/shared/base/abstract.provider.js';
 import { CursorProviderAuth } from '@/modules/providers/list/cursor/cursor-auth.provider.js';
 import { CursorMcpProvider } from '@/modules/providers/list/cursor/cursor-mcp.provider.js';
+import { CursorSessionSynchronizer } from '@/modules/providers/list/cursor/cursor-session-synchronizer.provider.js';
 import { CursorSessionsProvider } from '@/modules/providers/list/cursor/cursor-sessions.provider.js';
-import type { IProviderAuth, IProviderSessions } from '@/shared/interfaces.js';
+import type { IProviderAuth, IProviderSessionSynchronizer, IProviderSessions } from '@/shared/interfaces.js';
 
 export class CursorProvider extends AbstractProvider {
   readonly mcp = new CursorMcpProvider();
   readonly auth: IProviderAuth = new CursorProviderAuth();
   readonly sessions: IProviderSessions = new CursorSessionsProvider();
+  readonly sessionSynchronizer: IProviderSessionSynchronizer = new CursorSessionSynchronizer();
 
   constructor() {
     super('cursor');