104 lines
3.3 KiB
Go
104 lines
3.3 KiB
Go
package refundOrderMod
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import (
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"context"
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"errors"
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"fmt"
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"stat/common/log"
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"stat/common/mongos"
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"go.mongodb.org/mongo-driver/bson"
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"go.mongodb.org/mongo-driver/mongo"
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"go.mongodb.org/mongo-driver/mongo/options"
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)
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func Init(ctx context.Context) {
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db = mongos.New(mongos.MgoManager, TN.RefundOrder)
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indexes := []mongo.IndexModel{
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// (appId, orderId) 唯一,从数据库层杜绝重复添加 —— 应用层的"先查后插"
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// 存在并发竞态,两个请求可能同时通过检查。与 log_recharge 的唯一键对齐。
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// orderId 为空的历史数据不参与唯一约束,否则多条空值会互相冲突。
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{
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Keys: bson.D{
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{Key: FN.RefundOrder.AppId, Value: 1},
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{Key: FN.RefundOrder.OrderId, Value: 1},
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},
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Options: options.Index().SetUnique(true).
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SetPartialFilterExpression(bson.M{FN.RefundOrder.OrderId: bson.M{"$gt": ""}}),
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},
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{Keys: bson.D{{Key: FN.RefundOrder.CID, Value: 1}}},
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{Keys: bson.D{{Key: FN.RefundOrder.TransNo, Value: 1}}},
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{Keys: bson.D{{Key: FN.RefundOrder.IP, Value: 1}}},
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{Keys: bson.D{{Key: FN.RefundOrder.UserId, Value: 1}}},
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{Keys: bson.D{{Key: FN.RefundOrder.ChannelName, Value: 1}}},
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{Keys: bson.D{{Key: FN.RefundOrder.DistrictCode, Value: 1}}},
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{Keys: bson.D{{Key: FN.RefundOrder.CreatedAt, Value: -1}}},
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}
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if _, err := db.CreateIndex(ctx, indexes); err != nil {
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panic(fmt.Sprintf("(refundOrderMod:Init) CreateIndex failed: %+v", err))
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}
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}
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// InsertOneRefundOrder 插入一条。
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// 必须用 InsertOneTiny: db.InsertOne 会调 addCreatedAt 把 CreatedAt 无条件
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// 改写成 time.Now(),而本表的 createdAt 存的是原订单创建时间,不能被覆盖。
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// 命中唯一索引时返回的 error 可用 IsDuplicateKey 判定。
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func InsertOneRefundOrder(ctx context.Context, doc *RefundOrder) error {
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if err := db.InsertOneTiny(ctx, doc); err != nil {
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if !IsDuplicateKey(err) {
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log.Warn("refundOrderMod InsertOne failed", log.E(err))
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}
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return err
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}
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return nil
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}
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// IsDuplicateKey 判断是否唯一索引冲突。
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// 驱动为 v1.4.1,没有 mongo.IsDuplicateKeyError(1.11 才引入),按错误码 11000 判定。
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func IsDuplicateKey(err error) bool {
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var we mongo.WriteException
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if errors.As(err, &we) {
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for _, e := range we.WriteErrors {
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if e.Code == 11000 {
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return true
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}
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}
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}
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return false
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}
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func FindOneRefundOrder(ctx context.Context, filter bson.M) (*RefundOrder, error) {
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var doc RefundOrder
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if err := db.FindOne(ctx, &doc, filter); err != nil {
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return nil, err
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}
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return &doc, nil
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}
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func FindManyRefundOrders(ctx context.Context, filter bson.M, opts ...*options.FindOptions) (RefundOrderList, error) {
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list := make(RefundOrderList, 0)
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if err := db.Find(ctx, &list, filter, opts...); err != nil {
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log.Warn("refundOrderMod Find failed", log.E(err), log.Any("filter", filter))
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return nil, err
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}
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return list, nil
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}
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func CountRefundOrders(ctx context.Context, filter bson.M) (int64, error) {
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count, err := db.Count(ctx, filter)
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if err != nil {
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log.Warn("refundOrderMod Count failed", log.E(err), log.Any("filter", filter))
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return 0, err
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}
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return count, nil
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}
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func DelOneRefundOrder(ctx context.Context, filter bson.M) (int64, error) {
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count, err := db.DeleteOne(ctx, filter)
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if err != nil {
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log.Warn("refundOrderMod DeleteOne failed", log.E(err), log.Any("filter", filter))
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return 0, err
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}
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return count, nil
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}
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