public bool ValidateAndMapCreateTransaction(TransactionViewModel vm, Controller controller, string userId, out Transaction transaction, out ErrorViewModel errors)
{
var modelState = controller.ModelState;
transaction = null;
errors = null;
if (vm.Total == null || vm.Total <= 0)
{
errors = new ErrorViewModel { Error = TransactionErrors.ValidationErrors.TransactionInvalidTotalError };
return false;
}
var transactionType = this.transTypeRepo.FindById(vm.TransactionTypeId, tt => tt.From, tt => tt.To);
if (transactionType == null)
{
errors = new ErrorViewModel { Error = string.Format(TransactionErrors.ValidationErrors.TransactionTypeNotFoundError, vm.TransactionTypeId) };
return false;
}
if (vm.FromId == vm.ToId)
{
errors = new ErrorViewModel { Error = TransactionErrors.ValidationErrors.TransactionToSameCategoryError };
return false;
}
var fromCategory = this.categoryRepo.FindById(vm.FromId, c => c.CategoryType);
if (fromCategory == null || !string.Equals(fromCategory.AccountingUserId, userId))
{
errors = new ErrorViewModel { Error = string.Format(TransactionErrors.ValidationErrors.TransactionFromCategoryNotFoundError, vm.FromId) };
return false;
}
var toCategory = this.categoryRepo.FindById(vm.ToId, c => c.CategoryType);
if (toCategory == null || !string.Equals(toCategory.AccountingUserId, userId))
{
errors = new ErrorViewModel { Error = string.Format(TransactionErrors.ValidationErrors.TransactionToCategoryNotFoundError, vm.ToId) };
return false;
}
if (toCategory.CategoryType.Id != transactionType.To.Id || fromCategory.CategoryType.Id != transactionType.From.Id)
{
errors = new ErrorViewModel { Error = TransactionErrors.ValidationErrors.TransactionTypeCategoryTypeMismatchError };
return false;
}
if (!modelState.IsValid)
{
modelState.Clear();
controller.TryValidateModel(vm);
}
if (!modelState.IsValid)
{
errors = new ErrorViewModel
{
Error = TransactionErrors.ValidationErrors.TransactionInvalidError,
Errors = modelState.Values.SelectMany(v => v.Errors).Select(e => e.ErrorMessage).ToList()
};
this.logger.LogWarning("Invalid transaction model:" + string.Join(";",
modelState.Values.SelectMany(v => v.Errors)
.Select(e => e.ErrorMessage)));
return false;
}
transaction = Mapper.Map<Transaction>(vm);
transaction.Id = 0;
transaction.Total = Math.Round(transaction.Total, 2);
transaction.From = fromCategory;
transaction.To = toCategory;
transaction.TransactionType = transactionType;
transaction.AccountingUserId = userId;
return true;
}
