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don't allow adding balance modification transaction when account already has other transaction

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MaysWind
2020-12-08 01:59:37 +08:00
parent 7b7df2e853
commit 05f11a54a2
4 changed files with 12 additions and 1 deletions
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pkg/services/transactions.go
+9 -1
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@@ -200,8 +200,16 @@ func (s *TransactionService) CreateTransaction(transaction *models.Transaction)
return errs.ErrTransactionCategoryTypeInvalid
}
// Calculate balance modification transaction real amount
// Verify balance modification transaction and calculate real amount
if transaction.Type == models.TRANSACTION_TYPE_MODIFY_BALANCE {
otherTransactionExists, err := sess.Where("uid=? AND deleted=? AND destination_account_id=?", transaction.Uid, false, destinationAccount.AccountId).Limit(1).Exist(&models.Transaction{})
if err != nil {
return err
} else if otherTransactionExists {
return errs.ErrBalanceModificationTransactionCannotAddWhenNotEmpty
}
transaction.DestinationAmount = transaction.SourceAmount - destinationAccount.Balance
}