70 lines
2.2 KiB
Go
70 lines
2.2 KiB
Go
package logic
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import (
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"errors"
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"fusenapi/model/gmodel"
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"fusenapi/utils/auth"
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"fusenapi/utils/basic"
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"gorm.io/gorm"
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"context"
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"fusenapi/server/shopping-cart/internal/svc"
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"fusenapi/server/shopping-cart/internal/types"
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"github.com/zeromicro/go-zero/core/logx"
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)
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type ModifyCartPurchaseQuantityLogic struct {
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logx.Logger
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ctx context.Context
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svcCtx *svc.ServiceContext
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}
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func NewModifyCartPurchaseQuantityLogic(ctx context.Context, svcCtx *svc.ServiceContext) *ModifyCartPurchaseQuantityLogic {
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return &ModifyCartPurchaseQuantityLogic{
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Logger: logx.WithContext(ctx),
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ctx: ctx,
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svcCtx: svcCtx,
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}
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}
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// 处理进入前逻辑w,r
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// func (l *ModifyCartPurchaseQuantityLogic) BeforeLogic(w http.ResponseWriter, r *http.Request) {
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// }
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func (l *ModifyCartPurchaseQuantityLogic) ModifyCartPurchaseQuantity(req *types.ModifyCartPurchaseQuantityReq, userinfo *auth.UserInfo) (resp *basic.Response) {
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if !userinfo.IsUser() {
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return resp.SetStatusWithMessage(basic.CodeUnAuth, "please sign in")
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}
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if req.Id <= 0 {
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return resp.SetStatusWithMessage(basic.CodeRequestParamsErr, "cart id is required")
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}
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if req.PurchaseQuantity <= 0 {
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return resp.SetStatusWithMessage(basic.CodeRequestParamsErr, "purchase quantity can not less than 0 or equal to 0")
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}
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//查询购物车
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_, err := l.svcCtx.AllModels.FsShoppingCart.FineOneUserCart(l.ctx, req.Id, userinfo.UserId, "id")
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if err != nil {
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if errors.Is(err, gorm.ErrRecordNotFound) {
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return resp.SetStatusWithMessage(basic.CodeDbRecordNotFoundErr, "the shopping cart is not exists")
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}
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logx.Error(err)
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return resp.SetStatusWithMessage(basic.CodeDbSqlErr, "system err:failed to get shopping cart info ")
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}
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//修改数量
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err = l.svcCtx.AllModels.FsShoppingCart.Update(l.ctx, req.Id, userinfo.UserId, &gmodel.FsShoppingCart{
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PurchaseQuantity: &req.PurchaseQuantity,
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})
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if err != nil {
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logx.Error(err)
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return resp.SetStatusWithMessage(basic.CodeDbSqlErr, "system err:failed to modify cart purchase quantity")
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}
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return resp.SetStatus(basic.CodeOK, "success")
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}
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// 处理逻辑后 w,r 如:重定向, resp 必须重新处理
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// func (l *ModifyCartPurchaseQuantityLogic) AfterLogic(w http.ResponseWriter, r *http.Request, resp *basic.Response) {
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// // httpx.OkJsonCtx(r.Context(), w, resp)
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// }
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