public async Task <OperationResult> DeleteImageAsync(DeleteProductImageInput input)
{
var validateResult = await _productImageValidator.ValidateDeleteProductImage(input);
if (validateResult.IsSuccess)
{
var productDtoResult = await _productService.GetAsync(input.ProductId);
if (!productDtoResult.IsSuccess)
{
return(OperationResultEnumerable <ProductImageDto> .Fail(productDtoResult.Validations));
}
var images = await _repository.GetProductImages(productDtoResult.Result.ConvertToEntity());
images = images.Where(x => x.Id != input.ProductImageId);
await _repository.UpdateProductImages(images);
return(OperationResult.Success());
}
else
{
return(OperationResult.Fail(validateResult));
}
}
public async Task <ValidationResult> ValidateDeleteProductImage(DeleteProductImageInput input)
{
ValidationResult validationResult = new();
if (string.IsNullOrWhiteSpace(input.ProductId))
{
validationResult.Messages.Add(new(nameof(DeleteProductImageInput.ProductId), "Debe ingresar el Id del Producto."));
}
else
{
Product product = await _productRepository.GetAsync(input.ProductId);
if (product is null)
{
validationResult.Messages.Add(new(nameof(DeleteProductImageInput.ProductId), "El producto no existe."));
}
else
{
var images = await _productImageRepository.GetProductImages(product);
var image = images.SingleOrDefault(x => x.Id == input.ProductImageId);
if (image is null)
{
validationResult.Messages.Add(new(nameof(DeleteProductImageInput.ProductImageId), "La imagen no existe."));
}
else if (product.Thumbnail == image.Image)
{
validationResult.Messages.Add(new(nameof(DeleteProductImageInput.ProductImageId), "No se puede eliminar la imagen principal del producto."));
}
}
}
return(validationResult);
}
