public async Task <CommodityItem> AddCommodityItemAsync(CommodityItem commodity, string token = "")
{
var id = await CommodityDatabase.Instance.SaveCommodityAsync(commodity);
commodity.Id = id;
return(commodity);
}
public CommodityItemViewModel Delete(CommodityItemViewModel commodityItem)
{
CommodityItem result = _mapperConfig.CreateMapper().Map <CommodityItem>(commodityItem);
_service.DeleteFromShoppingCart(result);
return(commodityItem);
}
public CommodityItemViewModel Put(CommodityItemViewModel commodityItem)
{
CommodityItem result = _mapperConfig.CreateMapper().Map <CommodityItem>(commodityItem);
_service.UpdateInShoppingCart(result);
return(commodityItem);
}
public async Task <CommodityItem> UpdateCommodityItemAsync(CommodityItem commodity, string token = "")
{
var builder = new UriBuilder(GlobalSettings.Instance.UnitEndpoint)
{
Path = $"{ApiUrlBase}/{commodity.Id}"
};
return(await _requestProvider.PutAsync(builder.ToString(), commodity, token));
}
public Task <int> SaveCommodityAsync(CommodityItem commodity)
{
if (commodity.Id != 0)
{
return(_database.UpdateAsync(commodity));
}
return(_database.InsertAsync(commodity));
}
public CommodityItem AddToShoppingCart(CommodityItem item)
{
CommodityItem existingItem = GetByShoppingCartIdAndBookId(item.ShoppingCartId, item.BookId);
if (existingItem == null)
{
_db.Entry(item).State = EntityState.Added;
existingItem = item;
}
else
{
existingItem.Quantity += item.Quantity;
}
_db.SaveChanges();
return(existingItem);
}
public void DeleteFromShoppingCart(CommodityItem item)
{
_db.Entry(item).State = EntityState.Deleted;
_db.SaveChanges();
}
public void UpdateInShoppingCart(CommodityItem item)
{
_db.Entry(item).State = EntityState.Modified;
_db.SaveChanges();
}
public CommodityItem GetByShoppingCartIdAndBookId(int shoppingCartId, int bookId)
{
CommodityItem commodityItem = _db.CommodityItems.SingleOrDefault(c => c.ShoppingCartId == shoppingCartId && c.BookId == bookId);
return(commodityItem);
}
public async Task <CommodityItem> UpdateCommodityItemAsync(CommodityItem commodity, string token = "")
{
await CommodityDatabase.Instance.SaveCommodityAsync(commodity);
return(commodity);
}
public Task <int> DeleteCommodityAsync(CommodityItem commodity)
{
return(_database.DeleteAsync(commodity));
}
public CommodityItemViewModel Post(CommodityItemViewModel commodityItem)
{
CommodityItem newCommodityItem = _service.AddToShoppingCart(_mapperConfig.CreateMapper().Map <CommodityItem>(commodityItem));
return(_mapperConfig.CreateMapper().Map <CommodityItemViewModel>(newCommodityItem));
}
