public string Validate(Cart model) { try { _logger.LogInformation("Start cart validating."); StringBuilder builder = new StringBuilder(); if (!ValidationUtilities.MoreThanValueRule(model.Count)) { builder.AppendLine("You can't add zero products to cart."); } string message = builder.ToString(); if (!string.IsNullOrEmpty(message)) { return(message); } _logger.LogInformation("Cart successfuly validated."); return(null); } catch (Exception exception) { _logger.LogError(exception.Message); throw exception; } }
public async Task <string> Validate(Delivery model) { try { _logger.LogInformation("Start delivery validating."); StringBuilder builder = new StringBuilder(); if (!ValidationUtilities.NotEmptyRule(model.Name)) { builder.AppendLine("Delivery name should not be empty."); } if (!ValidationUtilities.OnlyLettersNumbersAndUnderscorcesRule(model.Name)) { builder.AppendLine("Delivery name should contains only letters, dots, commas and number."); } if (!ValidationUtilities.MoreThanValueLengthRule(model.Name, 5)) { builder.AppendLine("Delivery name should be longer than 5 symbols."); } if (!ValidationUtilities.MoreThanValueRule(model.DeliveryPrice, 0)) { builder.AppendLine("Delivery price should be greater than zero."); } var models = await _dao.Get(new DeliveryGetOptions { Name = model.Name, ExcludeIds = new List <int> { model.Id } }); if (models.Count() > 0) { builder.AppendLine("Delivery with same name have been already created. Please try another name."); } string message = builder.ToString(); if (!string.IsNullOrEmpty(message)) { return(message); } _logger.LogInformation("Delivery successfuly validated."); return(null); } catch (Exception exception) { _logger.LogError(exception.Message); throw exception; } }