fix(deploy): prevent undetected plates from matching on the same N/A sessions

app/api/predict.py

@@ -145,14 +145,19 @@ def _resolve_or_create_open_parking_session(*, vehicle_id: Optional[str], create
     if vehicle_id:
         params["vehicle_id"] = f"eq.{vehicle_id}"
     elif plate_arabic or plate_english:
-        params["vehicle_id"] = "is.null"
-        plate_filters = []
-        if plate_arabic:
-            plate_filters.append(f"plate_arabic.eq.{plate_arabic}")
-        if plate_english:
-            plate_filters.append(f"plate_english.eq.{plate_english}")
-        if plate_filters:
-            params["or"] = f"({','.join(plate_filters)})"
+        is_ar_valid = plate_arabic and plate_arabic.upper() not in {"", "N/A", "NONE", "NULL", "-"}
+        is_en_valid = plate_english and plate_english.upper() not in {"", "N/A", "NONE", "NULL", "-"}
+        if is_ar_valid or is_en_valid:
+            params["vehicle_id"] = "is.null"
+            plate_filters = []
+            if is_ar_valid:
+                plate_filters.append(f"plate_arabic.eq.{plate_arabic}")
+            if is_en_valid:
+                plate_filters.append(f"plate_english.eq.{plate_english}")
+            if plate_filters:
+                params["or"] = f"({','.join(plate_filters)})"
+        else:
+            return None
     else:
         return None
     open_response = requests.get(