Initial commit

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>

app/service/searcher/vidhkwsearcher/vidHotKeyWordSearcher.go

@@ -0,0 +1,112 @@
+package vidhkwsearcher
+
+import (
+	"91porn-server/common/constant"
+	"errors"
+	"fmt"
+	"time"
+
+	"91porn-server/app/service/searcher"
+	"91porn-server/app/service/searcher/vidsearcher"
+	"91porn-server/common"
+	"91porn-server/common/log"
+	"91porn-server/models/s/kwrankmod"
+)
+
+// VidHKWSearcher VidHKWSearcher
+type VidHKWSearcher struct {
+	uid    uint64
+	vidOpt searcher.Opter
+}
+
+// NewVidHKWSearcher NewVidHKWSearcher
+func NewVidHKWSearcher(uid uint64, vidOpt searcher.Opter) searcher.Searcher {
+	return &VidHKWSearcher{
+		uid:    uid,
+		vidOpt: vidOpt,
+	}
+}
+
+type pair struct {
+	Word   string
+	Result searcher.Resulter
+}
+
+const timeout = 3 * time.Second
+const gorouCountMax = 20
+
+// Search Search
+func (v *VidHKWSearcher) Search(unuse searcher.KeyWorder, opt searcher.Opter) (result searcher.Resulter, err error) {
+	limitEx1 := opt.Limit() + 1
+	//获取热词
+	words, err := kwrankmod.RecentRanking(limitEx1)
+	if err != nil {
+		return nil, errors.New("vidhkwsearcher RecentRanking error")
+	}
+	//没有热词
+	if len(words) == 0 {
+		return &Result{[]VideoRes{}, false}, nil
+	}
+	hasNext := false
+	if len(words) > int(opt.Limit()) {
+		words = words[:opt.Limit()]
+		hasNext = true
+	}
+	gorouCount := opt.Limit()
+	if gorouCount > gorouCountMax {
+		gorouCount = gorouCountMax
+	}
+	ch := make(chan pair, gorouCount)
+	err_ch := make(chan error)
+	for _, w := range words {
+		word := w.KeyWord
+		common.Go(func() {
+			k := &searcher.Keyword{Word: word}
+			result, err := vidsearcher.NewVidSearcher(v.uid, constant.SearchSP, 0).Search(k, v.vidOpt)
+			if err != nil {
+				err_ch <- err
+				return
+			}
+			pair := pair{
+				Word:   word,
+				Result: result,
+			}
+			ch <- pair
+		})
+	}
+	count := len(words)
+	resultMap := make(map[string]searcher.Resulter, count)
+	timer := time.NewTimer(timeout)
+	for i := 0; i < count; i++ {
+		timer.Reset(timeout)
+		select {
+		case pair := <-ch:
+			resultMap[pair.Word] = pair.Result
+			if i == count-1 {
+				return toResult(words, v.vidOpt.Limit(), resultMap, hasNext), nil
+			}
+		case err := <-err_ch: //获取出错前搜索到的视屏
+			log.Error(fmt.Sprintf("VidKWSearcher error:%+v\n", err))
+			return toResult(words, v.vidOpt.Limit(), resultMap, hasNext), nil
+		case <-timer.C: //获取超时前搜索到的视屏
+			log.Warn(fmt.Sprintf("VidKWSearcher timeout::%+v\n", timeout))
+			return toResult(words, v.vidOpt.Limit(), resultMap, hasNext), nil
+		}
+	}
+	return &Result{[]VideoRes{}, false}, nil
+}
+
+func toResult(words []kwrankmod.Keyword, vidCountPer int64, resultMap map[string]searcher.Resulter, hasNext bool) searcher.Resulter {
+	resList := make([]VideoRes, 0, vidCountPer)
+	//还原视屏的排序
+	for _, w := range words {
+		word := w.KeyWord
+		result, ok := resultMap[word]
+		if !ok {
+			continue
+		}
+		videoList := result.Data().([]VideoRes)
+		resList = append(resList, videoList...)
+	}
+	return &Result{resList, hasNext}
+}