public async Task <IHttpActionResult> Create([FromBody] ShoppingCartItemDTO ShoppingCartItemDto)
{
var result = new ApiResult <string>();
var userId = User.Identity.GetUserId();
if (ShoppingCartItemService
.GetAll()
.Count(x => x.CustomerId == userId &&
x.Status == (int)ShoppingCartStatus.ShoppingCart &&
!x.Deleted) > 20)
{
result.Info = "最多添加20条购物车信息！";
result.Code = 2;
return(Ok(result));
}
if (!ModelState.IsValid)
{
return(Ok(new ApiResult <System.Web.Http.ModelBinding.ModelStateDictionary>()
{
Code = 3,
Data = ModelState,
Info = "请仔细填写表单！"
}));
}
try
{
var hasExsit = ShoppingCartItemService
.GetAll()
.Any(x => x.CustomerId == userId &&
x.Status == (int)ShoppingCartStatus.ShoppingCart &&
!x.Deleted &&
x.ProductId == ShoppingCartItemDto.ProductId &&
x.AttributesIds == ShoppingCartItemDto.AttributesIds
);
if (hasExsit)
{
var entity = await ShoppingCartItemService
.GetAll()
.SingleOrDefaultAsync(x => x.CustomerId == userId &&
x.Status == (int)ShoppingCartStatus.ShoppingCart &&
!x.Deleted &&
x.ProductId == ShoppingCartItemDto.ProductId &&
x.AttributesIds == ShoppingCartItemDto.AttributesIds
);
entity.Quantity += ShoppingCartItemDto.Quantity;
entity.Price += ShoppingCartItemDto.Price;
entity.LastTime = DateTime.Now;
await ShoppingCartItemService.UpdateAsync(entity);
return(Ok(new ApiResult <ShoppingCartItemDTO>()
{
Data = entity.ToModel()
}));
}
else
{
var entity = ShoppingCartItemDto.ToEntity();
entity.ShoppingCartStatus = ShoppingCartStatus.ShoppingCart;
entity.CustomerId = userId;
entity.CreateTime = DateTime.Now;
await ShoppingCartItemService.InsertAsync(entity);
return(Ok(new ApiResult <ShoppingCartItemDTO>()
{
Data = entity.ToModel()
}));
}
}
catch (Exception ex)
{
result.Info = "添加购物车异常！";
result.Code = 1;
result.Data = ex.Message;
return(Ok(result));
}
}