public virtual SearchFirstResponse <TDto> SearchFirst(SearchFirstRequest <TDto> request)
{
var response = new SearchFirstResponse <TDto> {
IsSuccess = false, Item = null
};
try
{
if (_repository != null)
{
response.Item = MapToDto(
_repository.SearchFirst(new SearchFirstRequest <TEntity>(request.Predicate, request.RequestBase)));
response.IsSuccess = true;
return(response);
}
response.ErrorMessage = "Response returned no results.";
response.Item = new TDto();
return(response);
}
catch (DbEntityValidationException dbx)
{
// Retrieve the error messages as a list of strings.
var errorMessages = dbx.EntityValidationErrors
.SelectMany(x => x.ValidationErrors)
.Select(x => x.ErrorMessage);
// Join the list to a single string.
var fullErrorMessage = string.Join("; ", errorMessages);
// Combine the original exception message with the new one.
var exceptionMessage = string.Concat(dbx.Message, " The validation errors are: ", fullErrorMessage);
// Throw a new DbEntityValidationException with the improved exception message.
throw new System.Exception(exceptionMessage);
}
catch (System.Exception ex)
{
ErrorHandler.LogException(ex);
response.ErrorMessage = ErrorsEnum.ExceptionEncountered.FriendlyErrorMessage();
response.IsSuccess = false;
response.ErrorCode = (int)ErrorsEnum.ExceptionEncountered;
return(response);
}
}
public TEntity SearchFirst(SearchFirstRequest <TEntity> request)
{
var expression = request.Predicate.ToBooleanExpression <TEntity>();
return(DbSet.FirstOrDefault(expression));
}
public SearchFirstResponse <ProductDto> SearchFirst(SearchFirstRequest <ProductDto> request)
{
return(BranchLogic.SearchFirst(request));
}
