85 lines
2.0 KiB
Go
85 lines
2.0 KiB
Go
package medal
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import (
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"context"
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"time"
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"go-common/library/log"
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"go-common/library/stat/prom"
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"github.com/bluele/gcache"
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"github.com/pkg/errors"
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)
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func (d *Dao) loadMedal(c context.Context, mid int64) (int64, bool, error) {
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nid, nofound, err := d.medalActivatedCache(c, mid)
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if err != nil {
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return 0, nofound, err
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}
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d.storeMedal(mid, nid, nofound)
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return nid, nofound, nil
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}
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func (d *Dao) storeMedal(mid int64, nid int64, nofound bool) {
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if nofound {
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return
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}
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d.medalStore.SetWithExpire(mid, nid, time.Duration(d.c.MedalCache.Expire))
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}
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func (d *Dao) localMedal(mid int64) (int64, error) {
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prom.CacheHit.Incr("local_medal_cache")
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item, err := d.medalStore.Get(mid)
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if err != nil {
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prom.CacheMiss.Incr("local_medal_cache")
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return 0, err
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}
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nid, ok := item.(int64)
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if !ok {
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prom.CacheMiss.Incr("local_medal_cache")
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return 0, errors.New("Not a medal")
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}
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return nid, nil
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}
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// MedalActivatedCache get medal cache.
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func (d *Dao) MedalActivatedCache(c context.Context, mid int64) (int64, bool, error) {
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nid, err := d.localMedal(mid)
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if err != nil {
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if err != gcache.KeyNotFoundError {
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log.Error("Failed to get medal from local: mid: %d: %+v", mid, err)
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}
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return d.loadMedal(c, mid)
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}
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return nid, false, nil
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}
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// MedalsActivatedCache get multi medals cache.
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func (d *Dao) MedalsActivatedCache(c context.Context, mids []int64) (map[int64]int64, []int64, error) {
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nids := make(map[int64]int64, len(mids))
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lcMissed := make([]int64, 0, len(mids))
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for _, mid := range mids {
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nid, err := d.localMedal(mid)
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if err != nil {
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if err != gcache.KeyNotFoundError {
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log.Error("Failed to get medal from local: mid: %d: %+v", mid, err)
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}
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lcMissed = append(lcMissed, mid)
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continue
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}
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nids[mid] = nid
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}
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if len(lcMissed) == 0 {
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return nids, nil, nil
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}
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mcMedals, mcMissed, err := d.medalsActivatedCache(c, lcMissed)
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if err != nil {
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return nil, nil, err
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}
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for mid, nid := range mcMedals {
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d.storeMedal(mid, nid, false)
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nids[mid] = nid
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}
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return nids, mcMissed, nil
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}
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