Implement Phase 6: Lock Management

src/hooks/useModerationQueue.ts

@@ -397,6 +397,34 @@ export const useModerationQueue = () => {
     }
   }, [user, currentLock, toast, fetchStats]);
 
+  // Check if submission is locked by current user
+  const isLockedByMe = useCallback((submissionId: string): boolean => {
+    return currentLock?.submissionId === submissionId;
+  }, [currentLock]);
+
+  // Check if submission is locked by another moderator
+  const isLockedByOther = useCallback((submissionId: string, assignedTo: string | null, lockedUntil: string | null): boolean => {
+    if (!assignedTo || !lockedUntil) return false;
+    if (user?.id === assignedTo) return false; // It's our lock
+    return new Date(lockedUntil) > new Date(); // Lock is still active
+  }, [user]);
+
+  // Get lock progress percentage (0-100)
+  const getLockProgress = useCallback((): number => {
+    const timeLeft = getTimeRemaining();
+    if (timeLeft === null) return 0;
+    const totalTime = 15 * 60 * 1000; // 15 minutes in ms
+    return Math.max(0, Math.min(100, (timeLeft / totalTime) * 100));
+  }, [getTimeRemaining]);
+
+  // Auto-release lock after moderation action
+  const releaseAfterAction = useCallback(async (submissionId: string, action: 'approved' | 'rejected'): Promise<void> => {
+    if (currentLock?.submissionId === submissionId) {
+      await releaseLock(submissionId);
+      console.log(`🔓 Auto-released lock after ${action} action`);
+    }
+  }, [currentLock, releaseLock]);
+
   return {
     currentLock,
     queueStats,
@@ -409,6 +437,11 @@ export const useModerationQueue = () => {
     escalateSubmission,
     reassignSubmission,
     refreshStats: fetchStats,
+    // New helpers
+    isLockedByMe,
+    isLockedByOther,
+    getLockProgress,
+    releaseAfterAction,
   };
 };