120 lines
2.9 KiB
Go
120 lines
2.9 KiB
Go
package logic
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import (
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"fmt"
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"fusenapi/constants"
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"fusenapi/service/repositories"
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"fusenapi/utils/auth"
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"fusenapi/utils/basic"
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"sync"
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"time"
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"context"
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"fusenapi/server/order/internal/svc"
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"fusenapi/server/order/internal/types"
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"github.com/zeromicro/go-zero/core/logx"
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)
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type CreateOrderLogic 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 NewCreateOrderLogic(ctx context.Context, svcCtx *svc.ServiceContext) *CreateOrderLogic {
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return &CreateOrderLogic{
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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 *CreateOrderLogic) BeforeLogic(w http.ResponseWriter, r *http.Request) {
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// }
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var locks map[string]*sync.Mutex
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var locksMutex sync.Mutex
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func (l *CreateOrderLogic) CreateOrder(req *types.CreateOrderReq, userinfo *auth.UserInfo) (resp *basic.Response) {
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// 返回值必须调用Set重新返回, resp可以空指针调用 resp.SetStatus(basic.CodeOK, data)
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// userinfo 传入值时, 一定不为null
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if !userinfo.IsUser() {
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// 如果是，返回未授权的错误码
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return resp.SetStatus(basic.CodeUnAuth)
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}
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// var lockKey string
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// for _, v := range req.CartIds {
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// var vStr = strconv.Itoa(int(v))
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// lockKey = lockKey + "|" + vStr
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// }
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// // 分布式锁--防止重复下单
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// LockWith(lockKey) //获取锁
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// fmt.Println("获取到了锁")
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tPlus60Days := time.Now().AddDate(0, 0, 60).UTC()
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res, err := l.svcCtx.Repositories.NewOrder.Create(l.ctx, &repositories.CreateReq{
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ExpectedDeliveryTime: tPlus60Days,
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CurrentCurrency: string(constants.CURRENCYUSD),
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OriginalCurrency: string(constants.CURRENCYUSD),
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UserId: userinfo.UserId,
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CartIds: req.CartIds,
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DeliveryMethod: constants.DELIVERYMETHODDSCLOUDSTORE,
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})
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// UnlockWith(lockKey) //释放锁
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if err != nil {
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return resp.SetStatus(&res.ErrorCode)
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}
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// 延时任务
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time.AfterFunc(time.Minute*30, func() {
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orderSn := res.OrderSn
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fmt.Println("延时任务: OrderSn--", orderSn)
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ctx := context.Background()
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svcCtx := svc.ServiceContext{
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Config: l.svcCtx.Config,
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Repositories: l.svcCtx.Repositories,
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}
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svcCtx.Repositories.NewOrder.Close(ctx, &repositories.CloseReq{
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OrderSn: orderSn,
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Type: 1,
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})
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})
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return resp.SetStatus(basic.CodeOK, map[string]interface{}{
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"order_sn": res.OrderSn,
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})
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}
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func LockWith(resource string) {
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locksMutex.Lock()
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lock, ok := locks[resource]
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if !ok {
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lock = &sync.Mutex{}
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locks[resource] = lock
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}
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locksMutex.Unlock()
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lock.Lock()
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}
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func UnlockWith(resource string) {
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locksMutex.Lock()
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lock, ok := locks[resource]
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if ok {
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lock.Unlock()
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}
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locksMutex.Unlock()
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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 *CreateOrderLogic) 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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