public IReadOnlyList <string> CanAddProductOption(ProductOption productOption, int quantity = 1)
{
List <string> errors = new List <string>();
if (quantity <= 0)
{
errors.Add(ValidationMessage.MustBeGreater("Product option quantity", "0"));
}
else if (productOption == null)
{
errors.Add(ValidationMessage.MustSpecify("product option"));
}
else
{
if (productOption.Id == 0)
{
errors.Add(ValidationMessage.MustSpecify("product option id"));
}
if (IncludedProductOptions.FirstOrDefault(x => x.ProductOptionId == productOption.Id) != null)
{
errors.Add(ValidationMessage.AlreadyExists("product option"));
}
}
return(errors);
}
public IReadOnlyList <string> CanAddProduct(Product product, int relativeWeight = 1)
{
List <string> errors = new List <string>();
if (product == null)
{
errors.Add(ValidationMessage.MustSpecify("product"));
}
else
{
if (product.Id == 0)
{
errors.Add(ValidationMessage.MustSpecify("product id"));
}
else if (IncludedProducts.FirstOrDefault(x => x.ProductId == product.Id) != null)
{
errors.Add(ValidationMessage.AlreadyExists("product"));
}
}
if (relativeWeight < 0)
{
errors.Add(ValidationMessage.Incorrect("relative weight"));
}
return(errors);
}
public IReadOnlyList <string> CanAddAdvancePriceItem(Price price, ProlongationPeriod period)
{
List <string> errors = new List <string>();
if (price == null)
{
errors.Add(ValidationMessage.MustSpecify("price"));
}
if (period == null)
{
errors.Add(ValidationMessage.MustSpecify("period"));
}
else
{
if (price != null && AdvancePrices.FirstOrDefault(x => x.Period == period &&
x.Price.Currency == price.Currency) !=
null)
{
errors.Add(ValidationMessage.AlreadyExists("prepay price for specified period"));
}
}
return(errors);
}
public IReadOnlyList <string> CanAddApplicationSetting(ApplicationSettingValue applicationSetting)
{
List <string> errors = new List <string>();
if (applicationSetting == null)
{
errors.Add(ValidationMessage.MustSpecify("application setting"));
}
return(errors);
}
public IReadOnlyList <string> CanChangePriceItem(Price price, ProlongationPeriod period)
{
List <string> errors = new List <string>();
if (price == null)
{
errors.Add(ValidationMessage.MustSpecify("price"));
}
if (period == null)
{
errors.Add(ValidationMessage.MustSpecify("period"));
}
return(errors);
}
public IReadOnlyList <string> CanChangeContractKind(ContractKind contractKind)
{
List <string> errors = new List <string>();
if (contractKind == null)
{
errors.Add(ValidationMessage.MustSpecify("product option"));
}
else
{
if (contractKind.Id == 0)
{
errors.Add(ValidationMessage.MustSpecify("product option id"));
}
}
return(errors);
}
public IReadOnlyList <string> CanChangeProductOption(ProductOption productOption, int quantity = 1)
{
List <string> errors = new List <string>();
if (quantity <= 0)
{
errors.Add(ValidationMessage.MustBeGreater("Product option quantity", "0"));
}
else if (productOption == null)
{
errors.Add(ValidationMessage.MustSpecify("product option"));
}
else
{
if (productOption.Id == 0)
{
errors.Add(ValidationMessage.MustSpecify("product option id"));
}
}
return(errors);
}
public IReadOnlyList <string> CanChangeProduct(Product product, int relativeWeight = 1)
{
List <string> errors = new List <string>();
if (product == null)
{
errors.Add(ValidationMessage.MustSpecify("product"));
}
else
{
if (product.Id == 0)
{
errors.Add(ValidationMessage.MustSpecify("product id"));
}
}
if (relativeWeight < 0)
{
errors.Add(ValidationMessage.Incorrect("relative weight"));
}
return(errors);
}
public IReadOnlyList <string> CanAddContractKind(ContractKind contractKind)
{
List <string> errors = new List <string>();
if (contractKind == null)
{
errors.Add(ValidationMessage.MustSpecify("product option"));
}
else
{
if (contractKind.Id == 0)
{
errors.Add(ValidationMessage.MustSpecify("product option id"));
}
if (ContractKindBindings.FirstOrDefault(x => x.ContractKindId == contractKind.Id) != null)
{
errors.Add(ValidationMessage.AlreadyExists("product option"));
}
}
return(errors);
}
