public async Task <IResponse> CreateProductAsync(ProductRequestVm productRequest)
{
var product = productRequest.MapToEntity();
string storagePath = GetStoragePath();
var json = default(string);
// if file not exist
try
{
json = File.ReadAllText(storagePath);
}
catch (Exception)
{
File.WriteAllText(storagePath, String.Empty);
}
json = File.ReadAllText(storagePath);
var products = await Task.Run(() => JsonConvert.DeserializeObject <List <Product> >(json));
var lastProductId = default(long);
if (products == null)
{
products = new List <Product>();
lastProductId = 1;
product.Id = lastProductId;
if (!await _nameValidator.ValidateAsync(product.Name) |
!await _descriptionValidator.ValidateAsync(product.Description))
{
return(new ResponseBad <string>(400, GetErrorMsg(product)));
}
products.Add(product);
}
else
{
lastProductId = products.OrderByDescending(p => p.Id).FirstOrDefault().Id;
lastProductId++;
product.Id = lastProductId;
if (!await _nameValidator.ValidateAsync(product.Name) |
!await _descriptionValidator.ValidateAsync(product.Description))
{
return(new ResponseBad <string>(400, GetErrorMsg(product)));
}
products.Add(product);
}
File.WriteAllText(storagePath, JsonConvert.SerializeObject(products));
return(new ResponseOk <ProductResponseVm>(201, product.MapToResponseVm()));
}
public static Product MapToEntity(this ProductRequestVm productRequest)
{
return(productRequest == null ? null : new Product {
Name = productRequest.Name, Description = productRequest.Description
});
}