/// <summary>
/// Assing a modifiers to a product
/// </summary>
/// <param name="productId"></param>
/// <param name="productModifierClient"></param>
/// <returns></returns>
public void UpsertDeleteProductModifiers(Product product, List <ProductModifier> productModifierClient)
{
var productId = product.Id;
var productModifierDb = product.ProductModifier;
var noRecordsInDatabase = productModifierDb.Count() == 0;
if (noRecordsInDatabase)
{
foreach (var item in productModifierClient)
{
item.ProductId = productId;
productModifierDb.Add(item);
}
}
else
{
foreach (var item in productModifierClient)
{
var noRecordMatchInDatabase = !productModifierDb.Any(_ => _.ProductId == productId &&
_.ModifierId == item.ModifierId);
if (noRecordMatchInDatabase)
{
item.ProductId = productId;
_context.Add(item);
}
}
foreach (var item in productModifierDb)
{
var noRecordMatchInClient = !productModifierClient.Any(_ => _.ProductId == productId &&
_.ModifierId == item.ModifierId);
if (noRecordMatchInClient)
{
_context.Remove(item);
}
}
}
}
