rootandClaude Opus 5.5
7974a42301
Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>
106 lines
2.8 KiB
Go
106 lines
2.8 KiB
Go
package hotsearchmod
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import (
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"context"
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"fmt"
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"strings"
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"time"
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"unicode"
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"unicode/utf8"
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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 db *mongos.Collection
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func Init(ctx context.Context) {
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db = mongos.Shop.Coll(TN.HotSearch)
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indexes := []mongo.IndexModel{
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{
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Keys: bson.D{{Key: FN.HotSearch.Keyword, Value: 1}},
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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.HotSearch.Count, Value: -1},
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{Key: FN.HotSearch.UpdatedAt, Value: -1},
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},
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},
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}
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if _, err := db.CreateIndex(ctx, indexes); err != nil {
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panic(fmt.Sprintf("(hotsearchmod:Init) Create HotSearch Index failed! err:%+v:", err))
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}
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}
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// NormalizeKeyword 去掉首尾空白、压缩中间空格，并限制长度。
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func NormalizeKeyword(raw string) string {
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raw = strings.TrimSpace(raw)
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if raw == "" {
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return ""
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}
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fields := strings.FieldsFunc(raw, unicode.IsSpace)
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raw = strings.Join(fields, " ")
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if utf8.RuneCountInString(raw) > MaxKeywordRunes {
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raw = string([]rune(raw)[:MaxKeywordRunes])
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}
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return raw
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}
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// IncrByKeyword 按搜索词累加次数，不存在则插入。
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func IncrByKeyword(ctx context.Context, keyword string) *srvdef.SrvErr {
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keyword = NormalizeKeyword(keyword)
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if keyword == "" {
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return nil
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}
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now := time.Now()
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filter := bson.M{FN.HotSearch.Keyword: keyword}
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update := bson.M{
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"$inc": bson.M{FN.HotSearch.Count: 1},
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"$set": bson.M{FN.HotSearch.UpdatedAt: now},
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"$setOnInsert": bson.M{
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FN.HotSearch.Id: mongos.Lid.HotSearch.Get(),
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FN.HotSearch.Keyword: keyword,
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FN.HotSearch.CreatedAt: now,
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},
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}
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if _, err := db.UpsertOne(ctx, filter, update); err != nil {
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if _, retryErr := db.UpdateOne(ctx, filter, bson.M{
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"$inc": bson.M{FN.HotSearch.Count: 1},
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"$set": bson.M{FN.HotSearch.UpdatedAt: now},
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}); retryErr != nil {
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log.Warn("hotsearchmod:IncrByKeyword failed", log.E(err), log.E(retryErr), log.Any("keyword", keyword))
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return srvdef.New(srvdef.ErrDbUpdateError, "", "")
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}
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}
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return nil
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}
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func FindTopHotSearch(ctx context.Context, limit int64) (HotSearchList, *srvdef.SrvErr) {
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if limit <= 0 {
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limit = TopLimit
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}
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opts := options.Find().
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SetSort(bson.D{
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{Key: FN.HotSearch.Count, Value: -1},
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{Key: FN.HotSearch.UpdatedAt, Value: -1},
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{Key: FN.HotSearch.Id, Value: -1},
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}).
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SetLimit(limit).
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SetProjection(bson.D{
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{Key: FN.HotSearch.Id, Value: 1},
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{Key: FN.HotSearch.Keyword, Value: 1},
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{Key: FN.HotSearch.Count, Value: 1},
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})
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data := make(HotSearchList, 0)
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if err := db.Find(ctx, &data, bson.M{}, opts); err != nil {
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log.Warn("hotsearchmod:FindTopHotSearch db.Find failed", log.E(err))
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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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