private EntityEntryList OnBeforeSaveChanges()
{
//var userId = _httpContextAccessor.HttpContext.User.Claims.FirstOrDefault(c => c.Type == System.Security.Claims.ClaimTypes.NameIdentifier).Value;
EntityEntryList list = new EntityEntryList();
foreach (var entry in ChangeTracker.Entries())
{
if (entry.State == EntityState.Detached || entry.State == EntityState.Unchanged)
{
continue;
}
if (entry.Entity is CartProduct)
{
if (entry.State == EntityState.Added)
{
list.AddedEntityState = true;
list.AddedCartProductList.Add((CartProduct)entry.Entity);
}
else if (entry.State == EntityState.Modified)
{
list.ModifiedEntityState = true;
list.ModifiedCartProductList.Add((CartProduct)entry.Entity);
}
else if (entry.State == EntityState.Deleted)
{
list.DeletedEntityState = true;
list.DeletedCartProductList.Add((CartProduct)entry.Entity);
}
}
}
return(list);
}
private void OnAfterSaveChanges(EntityEntryList list)
{
//var userId = _httpContextAccessor.HttpContext.User.Claims.FirstOrDefault(c => c.Type == System.Security.Claims.ClaimTypes.NameIdentifier).Value;
Product pro = new Product();
if (list.AddedCartProductList != null && list.AddedCartProductList.Count > 0 && list.AddedEntityState == true)
{
foreach (var item in list.AddedCartProductList)
{
pro = Products.Find(item.ProductId);
pro.StockAmount -= 1;
Products.Update(pro);
}
SaveChanges();
}
else if (list.ModifiedCartProductList != null && list.ModifiedCartProductList.Count > 0 && list.ModifiedEntityState == true)
{
foreach (var item in list.ModifiedCartProductList)
{
pro = Products.Find(item.ProductId);
pro.StockAmount -= 1;
Products.Update(pro);
}
SaveChanges();
}
else if (list.DeletedCartProductList != null && list.DeletedCartProductList.Count > 0 && list.DeletedEntityState == true)
{
foreach (var item in list.DeletedCartProductList)
{
pro = Products.Find(item.ProductId);
pro.StockAmount += item.ProductAmount;
Products.Update(pro);
}
SaveChanges();
}
}
