public bool TryRequestAnUpdate(int sellerId, ProductTypeUpdateRequest updateRequest, out ICollection <string> errors)
{
errors = new List <string>();
//check seller existence
Seller seller = sellerRepository.GetBy(sellerId);
if (seller == null)
{
errors.Add("Could not found seller");
}
else if (seller.Status != SellerStatus.Active) //check seller status
{
errors.Add("Seller is unactive");
}
//check product type existence
ProductType productType = productTypeRepository.GetBy(updateRequest.ProductTypeId);
if (productType == null)
{
errors.Add("Could not found product type");
}
else if (productType.Status != ProductTypeStatus.Active) //check product type status
{
errors.Add("Product type is unavailable at the moment");
}
//check category existence
if (updateRequest.CategoryId != null)
{
Category category = categoryRepository.GetBy((int)updateRequest.CategoryId);
if (category == null)
{
errors.Add("Could not found category");
}
else if (category.ChildCategories.Any()) //check category have any childs or not
{
errors.Add("Category must have no childs");
}
}
if (string.IsNullOrWhiteSpace(updateRequest.Name))
{
errors.Add("Product type name is required");
}
if (string.IsNullOrWhiteSpace(updateRequest.Descriptions))
{
errors.Add("Update descriptions is required");
}
if (!errors.Any())
{
seller.RequestUpdateForProductType(updateRequest);
return(true);
}
return(false);
}
public void DeleteProductType(int id)
{
var productType = productTypeRepository.GetBy(id);
productTypeRepository.Delete(productType);
}
public bool TryRegister(int sellerId, Product product, out ICollection <string> errors)
{
errors = new List <string>();
//check product null
if (product == null)
{
errors.Add("Product can not be empty");
return(false);
}
if (product.Attributes != null && product.Attributes.Any())
{
//check product attributes
foreach (ProductAttribute attribute in product.Attributes)
{
if (string.IsNullOrWhiteSpace(attribute.Name))
{
errors.Add("Attribute name can not be empty");
goto flag;
}
else
{
attribute.Name = attribute.Name.Trim().RemoveMultipleSpaces();
}
if (string.IsNullOrWhiteSpace(attribute.Value))
{
errors.Add("Attribute value can not be empty");
goto flag;
}
else
{
attribute.Value = attribute.Value.Trim().RemoveMultipleSpaces();
}
}
//check unique of product attributes
IList <ProductAttribute> attributes = product.Attributes.ToList();
for (short i = 1; i < attributes.Count; i++)
{
for (short j = 0; j < i; j++)
{
if (attributes[i].Name == attributes[j].Name &&
attributes[i].Value == attributes[j].Value)
{
errors.Add("Each attributes must be unique");
break;
}
}
}
flag :;
}
if (product.RepresentativeImage == null)
{
errors.Add("Representative image is required");
}
//check product price
if (product.Price < 1)
{
errors.Add("Price can not lower than 1");
}
//check seller existence
Seller seller = sellerRepository.GetBy(sellerId);
if (seller == null)
{
errors.Add("Could not found seller");
}
else if (seller.Status != SellerStatus.Active) //check seller status
{
errors.Add("Seller is unactive");
}
//check product type existence
ProductType productType = productTypeRepository.GetBy(product.ProductTypeId);
if (productType == null)
{
errors.Add("Could not found product type");
}
else if (productType.Status != ProductTypeStatus.Active) //check product type status
{
errors.Add("Product type is unavailable at the moment");
}
//check product type already registered
if (seller != null && productType != null)
{
if (seller.Products.Any(p => p.ProductTypeId == productType.Id))
{
errors.Add("This seller already have registered this product type");
}
}
if (!errors.Any())
{
seller.RegisterProduct(product);
return(true);
}
return(false);
}