feat: added session indexer logic

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

@@ -0,0 +1,162 @@
+import os from 'node:os';
+import path from 'node:path';
+import { readFile } from 'node:fs/promises';
+
+import { sessionsDb } from '@/modules/database/index.js';
+import {
+  findFilesRecursivelyCreatedAfter,
+  normalizeSessionName,
+  readFileTimestamps,
+} from '@/shared/utils.js';
+import type { IProviderSessionSynchronizer } from '@/shared/interfaces.js';
+
+type ParsedSession = {
+  sessionId: string;
+  projectPath: string;
+  sessionName?: string;
+};
+
+/**
+ * Session indexer for Gemini transcript artifacts.
+ */
+export class GeminiSessionSynchronizer implements IProviderSessionSynchronizer {
+  private readonly provider = 'gemini' as const;
+  private readonly geminiHome = path.join(os.homedir(), '.gemini');
+
+  /**
+   * Scans Gemini session JSON files and upserts discovered sessions into DB.
+   */
+  async synchronize(since?: Date): Promise<number> {
+    const legacySessionFiles = await findFilesRecursivelyCreatedAfter(
+      path.join(this.geminiHome, 'sessions'),
+      '.json',
+      since ?? null
+    );
+    const tempFiles = await findFilesRecursivelyCreatedAfter(
+      path.join(this.geminiHome, 'tmp'),
+      '.json',
+      since ?? null
+    );
+    const files = [...legacySessionFiles, ...tempFiles];
+
+    let processed = 0;
+    for (const filePath of files) {
+      if (
+        filePath.startsWith(path.join(this.geminiHome, 'tmp'))
+        && !filePath.includes(`${path.sep}chats${path.sep}`)
+      ) {
+        continue;
+      }
+
+      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 Gemini session JSON artifact.
+   */
+  async synchronizeFile(filePath: string): Promise<boolean> {
+    if (!filePath.endsWith('.json')) {
+      return false;
+    }
+
+    if (
+      filePath.startsWith(path.join(this.geminiHome, 'tmp'))
+      && !filePath.includes(`${path.sep}chats${path.sep}`)
+    ) {
+      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;
+  }
+
+  /**
+   * Extracts session metadata from one Gemini JSON artifact.
+   */
+  private async processSessionFile(filePath: string): Promise<ParsedSession | null> {
+    try {
+      const content = await readFile(filePath, 'utf8');
+      const data = JSON.parse(content) as Record<string, any>;
+
+      const sessionId =
+        typeof data.sessionId === 'string'
+          ? data.sessionId
+          : typeof data.id === 'string'
+            ? data.id
+            : undefined;
+      if (!sessionId) {
+        return null;
+      }
+
+      let projectPath = typeof data.projectPath === 'string' ? data.projectPath : '';
+
+      if (!projectPath && filePath.includes(`${path.sep}chats${path.sep}`)) {
+        const chatsDir = path.dirname(filePath);
+        const workspaceDir = path.dirname(chatsDir);
+        const projectRootPath = path.join(workspaceDir, '.project_root');
+
+        try {
+          const rootContent = await readFile(projectRootPath, 'utf8');
+          projectPath = rootContent.trim();
+        } catch {
+          // Some Gemini artifacts do not ship a .project_root marker.
+        }
+      }
+
+      if (!projectPath) {
+        return null;
+      }
+
+      const messages = Array.isArray(data.messages) ? data.messages : [];
+      const firstMessage = messages[0] as Record<string, any> | undefined;
+      let rawName: string | undefined;
+
+      if (Array.isArray(firstMessage?.content) && typeof firstMessage.content[0]?.text === 'string') {
+        rawName = firstMessage.content[0].text;
+      } else if (typeof firstMessage?.content === 'string') {
+        rawName = firstMessage.content;
+      }
+
+      return {
+        sessionId,
+        projectPath,
+        sessionName: normalizeSessionName(rawName, 'New Gemini Chat'),
+      };
+    } catch {
+      return null;
+    }
+  }
+}

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

@@ -1,13 +1,15 @@
 import { AbstractProvider } from '@/modules/providers/shared/base/abstract.provider.js';
 import { GeminiProviderAuth } from '@/modules/providers/list/gemini/gemini-auth.provider.js';
 import { GeminiMcpProvider } from '@/modules/providers/list/gemini/gemini-mcp.provider.js';
+import { GeminiSessionSynchronizer } from '@/modules/providers/list/gemini/gemini-session-synchronizer.provider.js';
 import { GeminiSessionsProvider } from '@/modules/providers/list/gemini/gemini-sessions.provider.js';
-import type { IProviderAuth, IProviderSessions } from '@/shared/interfaces.js';
+import type { IProviderAuth, IProviderSessionSynchronizer, IProviderSessions } from '@/shared/interfaces.js';
 
 export class GeminiProvider extends AbstractProvider {
   readonly mcp = new GeminiMcpProvider();
   readonly auth: IProviderAuth = new GeminiProviderAuth();
   readonly sessions: IProviderSessions = new GeminiSessionsProvider();
+  readonly sessionSynchronizer: IProviderSessionSynchronizer = new GeminiSessionSynchronizer();
 
   constructor() {
     super('gemini');