public IActionResult AddCart(AppCartDto appCartDto)
{
try
{
var UserId = _context.User.Where(i => i.OpenId == appCartDto.OpenId).FirstOrDefault().UserId;
var checkObj = _context.AppCarts.Where(x => x.GoodsId == appCartDto.GoodsId && x.UserId == UserId).FirstOrDefault();
//判断该人是否购物车里添加过该商品
if (checkObj == null)
{
var AppCartObj = new AppCart();
AppCartObj.Num = appCartDto.Num;
AppCartObj.Seclect = true;
AppCartObj.GoodsId = appCartDto.GoodsId;
AppCartObj.UserId = UserId;
AppCartObj.CreatDate = DateTime.Now;
AppCartObj.UpDate = DateTime.Now;
_context.AppCarts.Add(AppCartObj);
}
else
{
checkObj.Num = appCartDto.Num + checkObj.Num;
checkObj.UpDate = DateTime.Now;
}
_context.SaveChanges();
return(Ok("添加成功"));
}
catch (Exception ex)
{
return(StatusCode(500, ex.Message));
}
}
public IActionResult GetCartAllNum(AppCartDto appCartDto)
{
try
{
var number = 0;
var UserId = _context.User.Where(i => i.OpenId == appCartDto.OpenId).FirstOrDefault().UserId;
var cartlist = _context.AppCarts.Where(i => i.UserId == UserId).ToList();
foreach (var p in cartlist)
{
number += p.Num;
}
return(Ok(number));
}
catch (Exception ex)
{
return(StatusCode(500, ex.Message));
}
}
public IActionResult ModifyCart(AppCartDto appCartDto)
{
try
{
var AppCartObj = _context.AppCarts.Where(x => x.Id == appCartDto.Id).FirstOrDefault();
if (AppCartObj == null)
{
return(BadRequest("没有该购物车"));
}
AppCartObj.Num = appCartDto.Num;
AppCartObj.UpDate = DateTime.Now;
_context.SaveChanges();
return(Ok("修改成功"));
}
catch (Exception ex)
{
return(StatusCode(500, ex.Message));
}
}
public IActionResult GetCartNum(AppCartDto appCartDto)
{
try
{
var UserId = _context.User.Where(i => i.OpenId == appCartDto.OpenId).FirstOrDefault().UserId;
var shoppingCart = _context.AppCarts.Where(i => i.UserId == UserId && i.GoodsId == appCartDto.GoodsId).FirstOrDefault();
if (shoppingCart == null)
{
return(Ok("0"));
}
else
{
return(Ok(shoppingCart.Num));
}
}
catch (Exception ex)
{
return(StatusCode(500, ex.Message));
}
}