feat: add functions to validate today's timestamps and update pending status logic

backend/api/child_api.py

@@ -40,6 +40,19 @@ import logging
 child_api = Blueprint('child_api', __name__)
 logger = logging.getLogger(__name__)
 
+
+def _is_iso_timestamp_today_utc(timestamp: str | None, today_utc: str) -> bool:
+    return bool(timestamp) and timestamp[:10] == today_utc
+
+
+def _is_epoch_timestamp_today_utc(epoch_ts, today_utc: str) -> bool:
+    if epoch_ts is None:
+        return False
+    try:
+        return datetime.fromtimestamp(float(epoch_ts), timezone.utc).strftime('%Y-%m-%d') == today_utc
+    except (TypeError, ValueError, OSError):
+        return False
+
 @child_api.route('/child/<name>', methods=['GET'])
 @child_api.route('/child/<id>', methods=['GET'])
 def get_child(id):
@@ -313,8 +326,23 @@ def list_child_tasks(id):
                 (PendingQuery.entity_type == 'chore') & (PendingQuery.user_id == user_id)
             )
             if pending:
-                ct_dict['pending_status'] = pending.get('status')
-                ct_dict['approved_at'] = pending.get('approved_at')
+                status = pending.get('status')
+                approved_at = pending.get('approved_at')
+                created_at = pending.get('created_at')
+                today_utc = datetime.now(timezone.utc).strftime('%Y-%m-%d')
+
+                if status == 'approved' and _is_iso_timestamp_today_utc(approved_at, today_utc):
+                    ct_dict['pending_status'] = 'approved'
+                    ct_dict['approved_at'] = approved_at
+                elif status == 'pending' and _is_epoch_timestamp_today_utc(created_at, today_utc):
+                    ct_dict['pending_status'] = 'pending'
+                    ct_dict['approved_at'] = None
+                else:
+                    pending_id = pending.get('id')
+                    if pending_id:
+                        pending_confirmations_db.remove(PendingQuery.id == pending_id)
+                    ct_dict['pending_status'] = None
+                    ct_dict['approved_at'] = None
             else:
                 ct_dict['pending_status'] = None
                 ct_dict['approved_at'] = None
@@ -872,7 +900,17 @@ def reward_status(id):
             (pending_query.child_id == child.id) & (pending_query.entity_id == reward.id) &
             (pending_query.entity_type == 'reward') & (pending_query.user_id == user_id)
         )
-        status = RewardStatus(reward.id, reward.name, points_needed, cost_value, pending is not None, reward.image_id)
+        redeeming = False
+        if pending and pending.get('status') == 'pending':
+            today_utc = datetime.now(timezone.utc).strftime('%Y-%m-%d')
+            if _is_epoch_timestamp_today_utc(pending.get('created_at'), today_utc):
+                redeeming = True
+            else:
+                pending_id = pending.get('id')
+                if pending_id:
+                    pending_confirmations_db.remove(pending_query.id == pending_id)
+
+        status = RewardStatus(reward.id, reward.name, points_needed, cost_value, redeeming, reward.image_id)
         status_dict = status.to_dict()
         if override:
             status_dict['custom_value'] = override.custom_value
@@ -927,7 +965,12 @@ def request_reward(id):
         (DupQuery.user_id == user_id)
     )
     if duplicate:
-        return jsonify({'error': 'Reward request already pending', 'code': 'DUPLICATE_REWARD_REQUEST'}), 409
+        today_utc = datetime.now(timezone.utc).strftime('%Y-%m-%d')
+        if _is_epoch_timestamp_today_utc(duplicate.get('created_at'), today_utc):
+            return jsonify({'error': 'Reward request already pending', 'code': 'DUPLICATE_REWARD_REQUEST'}), 409
+        pending_id = duplicate.get('id')
+        if pending_id:
+            pending_confirmations_db.remove(DupQuery.id == pending_id)
 
     pending = PendingConfirmation(child_id=child.id, entity_id=reward.id, entity_type='reward', user_id=user_id)
     pending_confirmations_db.insert(pending.to_dict())
@@ -1053,6 +1096,7 @@ def list_pending_confirmations():
     if not user_id:
         return jsonify({'error': 'Unauthorized', 'code': 'UNAUTHORIZED'}), 401
     PendingQuery = Query()
+    today_utc = datetime.now(timezone.utc).strftime('%Y-%m-%d')
     pending_items = pending_confirmations_db.search(
         (PendingQuery.user_id == user_id) & (PendingQuery.status == 'pending')
     )
@@ -1065,6 +1109,10 @@ def list_pending_confirmations():
     for pr in pending_items:
         pending = PendingConfirmation.from_dict(pr)
 
+        if not _is_epoch_timestamp_today_utc(pending.created_at, today_utc):
+            pending_confirmations_db.remove(PendingQuery.id == pending.id)
+            continue
+
         # Look up child details
         child_result = child_db.get(ChildQuery.id == pending.child_id)
         if not child_result:
@@ -1137,13 +1185,20 @@ def confirm_chore(id):
         (PendingQuery.entity_type == 'chore') & (PendingQuery.user_id == user_id)
     )
     if existing:
+        today_utc = datetime.now(timezone.utc).strftime('%Y-%m-%d')
         if existing.get('status') == 'pending':
-            return jsonify({'error': 'Chore already pending confirmation', 'code': 'CHORE_ALREADY_PENDING'}), 400
+            if _is_epoch_timestamp_today_utc(existing.get('created_at'), today_utc):
+                return jsonify({'error': 'Chore already pending confirmation', 'code': 'CHORE_ALREADY_PENDING'}), 400
+            pending_id = existing.get('id')
+            if pending_id:
+                pending_confirmations_db.remove(PendingQuery.id == pending_id)
         if existing.get('status') == 'approved':
             approved_at = existing.get('approved_at', '')
-            today_utc = datetime.now(timezone.utc).strftime('%Y-%m-%d')
-            if approved_at and approved_at[:10] == today_utc:
+            if _is_iso_timestamp_today_utc(approved_at, today_utc):
                 return jsonify({'error': 'Chore already completed today', 'code': 'CHORE_ALREADY_COMPLETED'}), 400
+            pending_id = existing.get('id')
+            if pending_id:
+                pending_confirmations_db.remove(PendingQuery.id == pending_id)
 
     confirmation = PendingConfirmation(
         child_id=id, entity_id=task_id, entity_type='chore', user_id=user_id