44 lines
914 B
Go
44 lines
914 B
Go
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package entity
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import (
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"fmt"
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"time"
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gc "github.com/patrickmn/go-cache"
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"github.com/photoprism/photoprism/pkg/rnd"
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)
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var albumCache = gc.New(15*time.Minute, 15*time.Minute)
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// FlushAlbumCache resets the album cache.
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func FlushAlbumCache() {
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albumCache.Flush()
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}
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// CachedAlbumByUID returns an existing album or nil if not found.
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func CachedAlbumByUID(uid string) (m Album, err error) {
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// Valid album UID?
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if uid == "" || !rnd.EntityUID(uid, 'a') {
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return m, fmt.Errorf("invalid album uid")
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}
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// Cached?
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if cacheData, ok := albumCache.Get(uid); ok {
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log.Tracef("album: cache hit for %s", uid)
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return cacheData.(Album), nil
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}
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// Find in database.
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m = Album{}
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if r := Db().First(&m, "album_uid = ?", uid); r.RecordNotFound() {
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return m, fmt.Errorf("album not found")
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} else if r.Error != nil {
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return m, r.Error
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} else {
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albumCache.SetDefault(m.AlbumUID, m)
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return m, nil
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}
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}
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