Fix wallet: safe parsing in Flutter + LEFT JOIN always returns balance

intaleq_rider/lib/controller/payment/payment_controller.dart

@@ -53,8 +53,13 @@ class PaymentController extends GetxController {
     await CRUD().getWallet(
         link: AppLink.getWalletByPassenger,
         payload: {'passenger_id': box.read(BoxName.passengerID)}).then((value) {
+      final msg = value['message'];
+      if (msg is List && msg.isNotEmpty) {
         box.write(BoxName.passengerWalletTotal,
-          value['message'][0]['total'].toString());
+            (msg[0]['total'] ?? '0').toString());
+      } else {
+        box.write(BoxName.passengerWalletTotal, '0');
+      }
     });
     isLoading = false;
     update();

payment_server/v2/main/ride/passengerWallet/getWalletByPassenger.php

@@ -4,7 +4,7 @@ $passenger_id = filterRequest("passenger_id");
 
 $sql = "SELECT 
     COALESCE(dummy.passenger_id, :passenger_id) AS passenger_id,
-    COALESCE(SUM(pw.balance), 0) AS total,  -- Adjust column to represent payments
+    COALESCE(SUM(pw.balance), 0) AS total,
     COALESCE(p.first_name, '') AS first_name,
     COALESCE(p.last_name, '') AS last_name,
     COALESCE(p.phone, '') AS phone
@@ -19,15 +19,11 @@ LIMIT 0, 25;
 $stmt = $con->prepare($sql);
 $stmt->execute(['passenger_id' => $passenger_id, 'passenger_id2' => $passenger_id]);
 
-if ($stmt->rowCount() > 0) {
-    // Fetch the record
+// LEFT JOIN يُرجع دائماً صفاً واحداً على الأقل (balance=0 إذا لم توجد محفظة)
 $row = $stmt->fetchAll(PDO::FETCH_ASSOC);
-
+if (!empty($row)) {
     printSuccess($row);
-    
-}
-    else{
-    // Print a failure message
-    printFailure($message = "No wallet record found");
+} else {
+    printFailure("No wallet record found");
 }
 ?>