108 lines
3.3 KiB
Go
108 lines
3.3 KiB
Go
package videowatchhistorymod
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import (
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"context"
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"fmt"
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"time"
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"videoweb/pub/common/log"
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"videoweb/pub/common/srvdef"
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"videoweb/pub/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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var coll *mongos.Collection
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const videoWatchHistoryTTLSeconds int32 = 90 * 24 * 60 * 60
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// Init 初始化 video_watch_history 集合和常用查询索引
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func Init(ctx context.Context) {
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coll = mongos.Shop.Coll(TN.VideoWatchHistory)
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initIndex(ctx)
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}
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func initIndex(ctx context.Context) {
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indexes := []mongo.IndexModel{
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{
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Keys: bson.D{
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{Key: FN.VideoWatchHistory.UserId, Value: 1},
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{Key: FN.VideoWatchHistory.VideoId, Value: 1},
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},
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Options: options.Index().SetUnique(true),
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},
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{
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Keys: bson.D{
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{Key: FN.VideoWatchHistory.UserId, Value: 1},
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{Key: FN.VideoWatchHistory.UpdatedAt, Value: -1},
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{Key: FN.VideoWatchHistory.Id, Value: -1},
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},
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},
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{
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Keys: bson.D{
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{Key: FN.VideoWatchHistory.UpdatedAt, Value: 1},
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},
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Options: options.Index().SetExpireAfterSeconds(videoWatchHistoryTTLSeconds),
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},
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}
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if _, err := coll.CreateIndex(ctx, indexes); err != nil {
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panic(fmt.Sprintf("(videowatchhistorymod:initIndex) 创建索引失败 err:%+v:", err))
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}
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}
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// FindManyVideoWatchHistory 按条件查询用户视频观看历史
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func FindManyVideoWatchHistory(ctx context.Context, filter bson.M, opts ...*options.FindOptions) (VideoWatchHistoryList, *srvdef.SrvErr) {
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data := make(VideoWatchHistoryList, 0)
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if err := coll.Find(ctx, &data, filter, opts...); err != nil {
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log.Warn("查询视频观看历史列表失败", log.E(err), log.Any("filter", filter))
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return nil, srvdef.New(srvdef.ErrDbQueryError, "", "")
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}
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return data, nil
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}
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// CountVideoWatchHistory 统计满足条件的视频观看历史数量
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func CountVideoWatchHistory(ctx context.Context, filter bson.M, opts ...*options.CountOptions) (int64, *srvdef.SrvErr) {
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count, err := coll.Count(ctx, filter, opts...)
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if err != nil {
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log.Warn("统计视频观看历史数量失败", log.E(err), log.Any("filter", filter))
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return 0, srvdef.New(srvdef.ErrDbQueryError, "", "")
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}
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return count, nil
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}
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// SaveVideoWatchHistory 保存用户视频观看历史
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func SaveVideoWatchHistory(ctx context.Context, userId int64, videoId int64) *srvdef.SrvErr {
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now := time.Now()
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filter := bson.M{
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FN.VideoWatchHistory.UserId: userId,
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FN.VideoWatchHistory.VideoId: videoId,
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}
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update := bson.M{
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"$set": bson.M{
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FN.VideoWatchHistory.UpdatedAt: now,
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},
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"$setOnInsert": bson.M{
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FN.VideoWatchHistory.Id: mongos.Lid.VideoWatchHistory.Get(),
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FN.VideoWatchHistory.UserId: userId,
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FN.VideoWatchHistory.VideoId: videoId,
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FN.VideoWatchHistory.CreatedAt: now,
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},
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}
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if _, err := coll.UpsertOne(ctx, filter, update); err != nil {
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log.Warn("保存视频观看历史失败", log.E(err), log.Any("filter", filter))
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return srvdef.New(srvdef.ErrDbUpdateError, "", "")
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}
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return nil
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}
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// DeleteManyVideoWatchHistory 删除满足条件的视频观看历史
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func DeleteManyVideoWatchHistory(ctx context.Context, filter bson.M, opts ...*options.DeleteOptions) (int64, *srvdef.SrvErr) {
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count, err := coll.DeleteMany(ctx, filter, opts...)
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if err != nil {
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log.Warn("删除视频观看历史失败", log.E(err), log.Any("filter", filter))
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return 0, srvdef.New(srvdef.ErrDbDeleteError, "", "")
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}
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return count, nil
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}
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