feat: add calendar component with event management features including create, edit, delete, and share functionalities

server/config/database.js

@@ -438,6 +438,82 @@ export async function initDatabase() {
     `);
   }
 
+  // ── Calendar tables ──────────────────────────────────────────────────────
+  if (isPostgres) {
+    await db.exec(`
+      CREATE TABLE IF NOT EXISTS calendar_events (
+        id SERIAL PRIMARY KEY,
+        uid TEXT UNIQUE NOT NULL,
+        title TEXT NOT NULL,
+        description TEXT,
+        start_time TIMESTAMP NOT NULL,
+        end_time TIMESTAMP NOT NULL,
+        room_uid TEXT,
+        user_id INTEGER NOT NULL REFERENCES users(id) ON DELETE CASCADE,
+        color TEXT DEFAULT '#6366f1',
+        federated_from TEXT DEFAULT NULL,
+        federated_join_url TEXT DEFAULT NULL,
+        created_at TIMESTAMP DEFAULT NOW(),
+        updated_at TIMESTAMP DEFAULT NOW()
+      );
+      CREATE INDEX IF NOT EXISTS idx_cal_events_user_id ON calendar_events(user_id);
+      CREATE INDEX IF NOT EXISTS idx_cal_events_uid ON calendar_events(uid);
+      CREATE INDEX IF NOT EXISTS idx_cal_events_start ON calendar_events(start_time);
+
+      CREATE TABLE IF NOT EXISTS calendar_event_shares (
+        id SERIAL PRIMARY KEY,
+        event_id INTEGER NOT NULL REFERENCES calendar_events(id) ON DELETE CASCADE,
+        user_id INTEGER NOT NULL REFERENCES users(id) ON DELETE CASCADE,
+        created_at TIMESTAMP DEFAULT NOW(),
+        UNIQUE(event_id, user_id)
+      );
+      CREATE INDEX IF NOT EXISTS idx_cal_shares_event ON calendar_event_shares(event_id);
+      CREATE INDEX IF NOT EXISTS idx_cal_shares_user ON calendar_event_shares(user_id);
+    `);
+  } else {
+    await db.exec(`
+      CREATE TABLE IF NOT EXISTS calendar_events (
+        id INTEGER PRIMARY KEY AUTOINCREMENT,
+        uid TEXT UNIQUE NOT NULL,
+        title TEXT NOT NULL,
+        description TEXT,
+        start_time DATETIME NOT NULL,
+        end_time DATETIME NOT NULL,
+        room_uid TEXT,
+        user_id INTEGER NOT NULL,
+        color TEXT DEFAULT '#6366f1',
+        federated_from TEXT DEFAULT NULL,
+        federated_join_url TEXT DEFAULT NULL,
+        created_at DATETIME DEFAULT CURRENT_TIMESTAMP,
+        updated_at DATETIME DEFAULT CURRENT_TIMESTAMP,
+        FOREIGN KEY (user_id) REFERENCES users(id) ON DELETE CASCADE
+      );
+      CREATE INDEX IF NOT EXISTS idx_cal_events_user_id ON calendar_events(user_id);
+      CREATE INDEX IF NOT EXISTS idx_cal_events_uid ON calendar_events(uid);
+      CREATE INDEX IF NOT EXISTS idx_cal_events_start ON calendar_events(start_time);
+
+      CREATE TABLE IF NOT EXISTS calendar_event_shares (
+        id INTEGER PRIMARY KEY AUTOINCREMENT,
+        event_id INTEGER NOT NULL,
+        user_id INTEGER NOT NULL,
+        created_at DATETIME DEFAULT CURRENT_TIMESTAMP,
+        UNIQUE(event_id, user_id),
+        FOREIGN KEY (event_id) REFERENCES calendar_events(id) ON DELETE CASCADE,
+        FOREIGN KEY (user_id) REFERENCES users(id) ON DELETE CASCADE
+      );
+      CREATE INDEX IF NOT EXISTS idx_cal_shares_event ON calendar_event_shares(event_id);
+      CREATE INDEX IF NOT EXISTS idx_cal_shares_user ON calendar_event_shares(user_id);
+    `);
+  }
+
+  // Calendar migrations: add federated columns if missing
+  if (!(await db.columnExists('calendar_events', 'federated_from'))) {
+    await db.exec('ALTER TABLE calendar_events ADD COLUMN federated_from TEXT DEFAULT NULL');
+  }
+  if (!(await db.columnExists('calendar_events', 'federated_join_url'))) {
+    await db.exec('ALTER TABLE calendar_events ADD COLUMN federated_join_url TEXT DEFAULT NULL');
+  }
+
   // ── Default admin (only on very first start) ────────────────────────────
   const adminAlreadySeeded = await db.get("SELECT value FROM settings WHERE key = 'admin_seeded'");
   if (!adminAlreadySeeded) {