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src/services/classroom.js

@@ -41,6 +41,28 @@ export async function createRoom(promotedCode = null, hostName = 'Unknown') {
     return roomCode;
 }
 
+/**
+ * Cleans up rooms older than 14 days (inactive)
+ */
+export async function cleanupOldRooms() {
+    try {
+        const fourteenDaysAgo = new Date();
+        fourteenDaysAgo.setDate(fourteenDaysAgo.getDate() - 14);
+
+        const roomsRef = collection(db, ROOMS_COLLECTION);
+        const q = query(roomsRef, where("createdAt", "<", fourteenDaysAgo));
+
+        const snapshot = await getDocs(q);
+        if (snapshot.empty) return;
+
+        const deletePromises = snapshot.docs.map(doc => deleteDoc(doc.ref));
+        await Promise.all(deletePromises);
+        console.log(`Cleaned up ${snapshot.size} old rooms.`);
+    } catch (e) {
+        console.error("Cleanup failed:", e);
+    }
+}
+
 /**
  * Verifies instructor password against Firestore (Auto-seeds if missing)
  * @param {string} inputPassword