fix: balance not changing

Author: Abi-Nf

src/main/java/app/banking/services/TransferService.java

@@ -160,18 +160,20 @@ public Object groupedTransfer(GroupTransferPayload payload){
             .amount(Math.abs(payload.getAmount()))
             .idAccount(transaction.getReceiver())
             .build());
+          AccountBalance defaultBalance = new AccountBalance();
+          defaultBalance.setCurrentBalance(0D);
+          defaultBalance.setIdAccount(transaction.getReceiver());
           AccountBalance targetBalance = balanceRepo
             .findCurrentByAccountId(transaction.getReceiver().getId())
-            .orElse(null);
-          if(targetBalance != null){
-            double amount = targetBalance.getCurrentBalance() + payload.getAmount();
-            transactionService.deposit(DepositPayload
-              .builder()
-                .label(label)
-                .accountId(transaction.getReceiver().getId())
-                .amount(amount)
-              .build());
-          }
+            .orElse(defaultBalance);
+          System.out.println(transaction.getReceiver().getId());
+          double amount = targetBalance.getCurrentBalance() + payload.getAmount();
+          transactionService.deposit(DepositPayload
+            .builder()
+              .label(label)
+              .accountId(transaction.getReceiver().getId())
+              .amount(amount)
+            .build());
         }
         AccountBalance accountBalance = new AccountBalance();
         accountBalance.setIdAccount(transactionGroup.getIdAccount());