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refactor(P3): Redis 缓存键版本化 — Client 增加 Key() 方法，默认前缀 v1:

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This commit is contained in:
Sisyphus
2026-04-25 16:57:02 +08:00
parent 41ae86f908
commit dd47b48473
7 changed files with 544 additions and 536 deletions
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57
backend/internal/video/popularity_cache.go
View File

@@ -1,29 +1,28 @@
package video
import (
"context"
"fmt"
"strconv"
"time"
rediscache "feedsystem_video_go/internal/middleware/redis"
)
// 更新视频流行度缓存
func UpdatePopularityCache(ctx context.Context, cache *rediscache.Client, id uint, change int64) {
if cache == nil || id == 0 || change == 0 {
return
}
_ = cache.Del(context.Background(), fmt.Sprintf("video:detail:id=%d", id))
now := time.Now().UTC().Truncate(time.Minute)
windowKey := "hot:video:1m:" + now.Format("200601021504")
member := strconv.FormatUint(uint64(id), 10)
opCtx, cancel := context.WithTimeout(ctx, 50*time.Millisecond)
defer cancel()
_ = cache.ZincrBy(opCtx, windowKey, member, float64(change))
_ = cache.Expire(opCtx, windowKey, 2*time.Hour)
}
package video
import (
"context"
"strconv"
"time"
rediscache "feedsystem_video_go/internal/middleware/redis"
)
// 更新视频流行度缓存
func UpdatePopularityCache(ctx context.Context, cache *rediscache.Client, id uint, change int64) {
if cache == nil || id == 0 || change == 0 {
return
}
_ = cache.Del(context.Background(), cache.Key("video:detail:id=%d", id))
now := time.Now().UTC().Truncate(time.Minute)
windowKey := cache.Key("hot:video:1m:%s", now.Format("200601021504"))
member := strconv.FormatUint(uint64(id), 10)
opCtx, cancel := context.WithTimeout(ctx, 50*time.Millisecond)
defer cancel()
_ = cache.ZincrBy(opCtx, windowKey, member, float64(change))
_ = cache.Expire(opCtx, windowKey, 2*time.Hour)
}

9
backend/internal/video/video_service.go
View File

@@ -4,7 +4,6 @@ import (
"context"
"encoding/json"
"errors"
"fmt"
"strconv"
"strings"
"time"
@@ -83,7 +82,7 @@ func (vs *VideoService) Delete(ctx context.Context, id uint, authorID uint) erro
return err
}
if vs.cache != nil {
cacheKey := fmt.Sprintf("video:detail:id=%d", id)
cacheKey := vs.cache.Key("video:detail:id=%d", id)
_ = vs.cache.Del(context.Background(), cacheKey)
}
return nil
@@ -98,7 +97,7 @@ func (vs *VideoService) ListByAuthorID(ctx context.Context, authorID uint) ([]Vi
}
func (vs *VideoService) GetDetail(ctx context.Context, id uint) (*Video, error) {
cacheKey := fmt.Sprintf("video:detail:id=%d", id)
cacheKey := vs.cache.Key("video:detail:id=%d", id)
getCached := func() (*Video, bool) {
opCtx, cancel := context.WithTimeout(ctx, 50*time.Millisecond)
@@ -204,11 +203,11 @@ func (vs *VideoService) UpdatePopularity(ctx context.Context, id uint, change in
if vs.cache != nil {
// 1) 详情缓存：直接失效（最简单靠谱）
_ = vs.cache.Del(context.Background(), fmt.Sprintf("video:detail:id=%d", id))
_ = vs.cache.Del(context.Background(), vs.cache.Key("video:detail:id=%d", id))
// 2) 热榜：写到“时间窗ZSET”，不要用 detail key
now := time.Now().UTC().Truncate(time.Minute)
windowKey := "hot:video:1m:" + now.Format("200601021504")
windowKey := vs.cache.Key("hot:video:1m:%s", now.Format("200601021504"))
member := strconv.FormatUint(uint64(id), 10)
opCtx, cancel := context.WithTimeout(ctx, 50*time.Millisecond)