private void AddOrRemoveCategories(Product product, SavedProductDto productDto)
{
try
{
var addedCategories =
productDto.Categories.Where(id => product.ProductCategories.All(pd => pd.CategoryId != id)).ToList();
if (addedCategories.Any())
{
foreach (var category in addedCategories)
{
product.AddCategory(category);
}
}
var removedCategories =
product.ProductCategories.Where(c => !productDto.Categories.Contains(c.CategoryId)).ToList();
if (removedCategories.Any())
{
foreach (var category in addedCategories)
{
product.RemoveCategory(category);
}
}
}
catch (Exception e)
{
throw new Exception(e.Message);
}
}
public async Task <IServiceResult> UpdateAsync(string id, SavedProductDto productDto)
{
try
{
var productId = id.ToGuid();
var product = await _repository.GetSingleAsync(productId);
_mapper.Map(productDto, product);
AddOrRemoveCategories(product, productDto);
if (!await _unitOfWork.CompleteAsync())
{
throw new SaveFailedException(nameof(product));
}
_logger.LogInformation($"Updated {nameof(product)} with id: {product.Id}");
var result = await GetSingleAsync(product.Id.ToString());
return(new ServiceResult(payload: result.Payload));
}
catch (Exception e)
{
_logger.LogError($"Updating product with id: {id} failed. {e.Message}");
return(new ServiceResult(false, e.Message));
}
}
public async Task <IServiceResult> CreateAsync(SavedProductDto productDto)
{
try
{
var product = _mapper.Map <SavedProductDto, Product>(productDto);
await _repository.AddAsync(product);
AddToInventory(product, productDto.SupplierId, productDto.Stock);
if (productDto.Categories.Count > 0)
{
foreach (var c in productDto.Categories)
{
AddCategory(product, c);
_logger.LogError($"Added product with id {product.Id}.");
}
}
if (!await _unitOfWork.CompleteAsync())
{
throw new SaveFailedException(nameof(product));
}
_logger.LogInformation($"Added new {nameof(product)} with id: {product.Id}");
var result = await GetSingleAsync(product.Id.ToString());
return(new ServiceResult(payload: result.Payload));
}
catch (Exception e)
{
_logger.LogError($"Adding new product failed. {e.Message}");
return(new ServiceResult(false, e.Message));
}
}
