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app/interface/main/activity/dao/like/memcached.go

@@ -0,0 +1,59 @@
+package like
+
+import (
+	"context"
+	"fmt"
+
+	"go-common/app/interface/main/activity/model/like"
+	"go-common/library/cache/memcache"
+	"go-common/library/log"
+)
+
+const (
+	_prefixInfo = "m_"
+)
+
+func keyInfo(sid int64) string {
+	return fmt.Sprintf("%s%d", _prefixInfo, sid)
+}
+
+// SetInfoCache Dao
+func (dao *Dao) SetInfoCache(c context.Context, v *like.Subject, sid int64) (err error) {
+	if v == nil {
+		v = &like.Subject{}
+	}
+	var (
+		conn  = dao.mc.Get(c)
+		mckey = keyInfo(sid)
+	)
+	defer conn.Close()
+	if err = conn.Set(&memcache.Item{Key: mckey, Object: v, Flags: memcache.FlagGOB, Expiration: dao.mcLikeExpire}); err != nil {
+		log.Error("conn.Set error(%v)", err)
+		return
+	}
+	return
+}
+
+// InfoCache Dao
+func (dao *Dao) InfoCache(c context.Context, sid int64) (v *like.Subject, err error) {
+	var (
+		mckey = keyInfo(sid)
+		conn  = dao.mc.Get(c)
+		item  *memcache.Item
+	)
+	defer conn.Close()
+	if item, err = conn.Get(mckey); err != nil {
+		if err == memcache.ErrNotFound {
+			err = nil
+			v = nil
+		} else {
+			log.Error("conn.Get error(%v)", err)
+		}
+		return
+	}
+	if err = conn.Scan(item, &v); err != nil {
+		log.Error("item.Scan error(%v)", err)
+		return
+	}
+	return
+}