init: web_hgdjc_server

2026-11-07 10:46:18 +08:00
commit b2ff6ac8ff
707 changed files with 147645 additions and 0 deletions
@@ -0,0 +1,105 @@
+package hotsearchmod
+
+import (
+	"context"
+	"fmt"
+	"strings"
+	"time"
+	"unicode"
+	"unicode/utf8"
+	"videoweb/pub/common/log"
+	"videoweb/pub/common/srvdef"
+	"videoweb/pub/mongos"
+
+	"go.mongodb.org/mongo-driver/bson"
+	"go.mongodb.org/mongo-driver/mongo"
+	"go.mongodb.org/mongo-driver/mongo/options"
+)
+
+var db *mongos.Collection
+
+func Init(ctx context.Context) {
+	db = mongos.Shop.Coll(TN.HotSearch)
+	indexes := []mongo.IndexModel{
+		{
+			Keys:    bson.D{{Key: FN.HotSearch.Keyword, Value: 1}},
+			Options: options.Index().SetUnique(true),
+		},
+		{
+			Keys: bson.D{
+				{Key: FN.HotSearch.Count, Value: -1},
+				{Key: FN.HotSearch.UpdatedAt, Value: -1},
+			},
+		},
+	}
+	if _, err := db.CreateIndex(ctx, indexes); err != nil {
+		panic(fmt.Sprintf("(hotsearchmod:Init) Create HotSearch Index failed! err:%+v:", err))
+	}
+}
+
+// NormalizeKeyword 去掉首尾空白、压缩中间空格，并限制长度。
+func NormalizeKeyword(raw string) string {
+	raw = strings.TrimSpace(raw)
+	if raw == "" {
+		return ""
+	}
+	fields := strings.FieldsFunc(raw, unicode.IsSpace)
+	raw = strings.Join(fields, " ")
+	if utf8.RuneCountInString(raw) > MaxKeywordRunes {
+		raw = string([]rune(raw)[:MaxKeywordRunes])
+	}
+	return raw
+}
+
+// IncrByKeyword 按搜索词累加次数，不存在则插入。
+func IncrByKeyword(ctx context.Context, keyword string) *srvdef.SrvErr {
+	keyword = NormalizeKeyword(keyword)
+	if keyword == "" {
+		return nil
+	}
+	now := time.Now()
+	filter := bson.M{FN.HotSearch.Keyword: keyword}
+	update := bson.M{
+		"$inc": bson.M{FN.HotSearch.Count: 1},
+		"$set": bson.M{FN.HotSearch.UpdatedAt: now},
+		"$setOnInsert": bson.M{
+			FN.HotSearch.Id:        mongos.Lid.HotSearch.Get(),
+			FN.HotSearch.Keyword:   keyword,
+			FN.HotSearch.CreatedAt: now,
+		},
+	}
+	if _, err := db.UpsertOne(ctx, filter, update); err != nil {
+		if _, retryErr := db.UpdateOne(ctx, filter, bson.M{
+			"$inc": bson.M{FN.HotSearch.Count: 1},
+			"$set": bson.M{FN.HotSearch.UpdatedAt: now},
+		}); retryErr != nil {
+			log.Warn("hotsearchmod:IncrByKeyword failed", log.E(err), log.E(retryErr), log.Any("keyword", keyword))
+			return srvdef.New(srvdef.ErrDbUpdateError, "", "")
+		}
+	}
+	return nil
+}
+
+func FindTopHotSearch(ctx context.Context, limit int64) (HotSearchList, *srvdef.SrvErr) {
+	if limit <= 0 {
+		limit = TopLimit
+	}
+	opts := options.Find().
+		SetSort(bson.D{
+			{Key: FN.HotSearch.Count, Value: -1},
+			{Key: FN.HotSearch.UpdatedAt, Value: -1},
+			{Key: FN.HotSearch.Id, Value: -1},
+		}).
+		SetLimit(limit).
+		SetProjection(bson.D{
+			{Key: FN.HotSearch.Id, Value: 1},
+			{Key: FN.HotSearch.Keyword, Value: 1},
+			{Key: FN.HotSearch.Count, Value: 1},
+		})
+	data := make(HotSearchList, 0)
+	if err := db.Find(ctx, &data, bson.M{}, opts); err != nil {
+		log.Warn("hotsearchmod:FindTopHotSearch db.Find failed", log.E(err))
+		return nil, srvdef.New(srvdef.ErrDbQueryError, "", "")
+	}
+	return data, nil
+}