82 lines
1.9 KiB
Go
82 lines
1.9 KiB
Go
package api
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import (
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"fmt"
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"strconv"
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"github.com/photoprism/photoprism/internal/query"
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"github.com/photoprism/photoprism/internal/service"
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"github.com/photoprism/photoprism/internal/thumb"
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)
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// MaxAge represents a cache TTL in seconds.
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type MaxAge int
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// String returns the cache TTL in seconds as string.
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func (a MaxAge) String() string {
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return strconv.Itoa(int(a))
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}
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// Default cache TTL times in seconds.
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var (
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CoverCacheTTL MaxAge = 3600 // 1 hour
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ThumbCacheTTL MaxAge = 3600 * 24 * 90 // ~ 3 months
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)
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type ThumbCache struct {
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FileName string
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ShareName string
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}
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type ByteCache struct {
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Data []byte
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}
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// CacheKey returns a cache key string based on namespace, uid and name.
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func CacheKey(ns, uid, name string) string {
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return fmt.Sprintf("%s:%s:%s", ns, uid, name)
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}
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// RemoveFromFolderCache removes an item from the folder cache e.g. after indexing.
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func RemoveFromFolderCache(rootName string) {
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cache := service.FolderCache()
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cacheKey := fmt.Sprintf("folder:%s:%t:%t", rootName, true, false)
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cache.Delete(cacheKey)
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if err := query.UpdateAlbumFolderPreviews(); err != nil {
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log.Errorf("failed updating folder previews: %s", err)
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}
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log.Debugf("removed %s from cache", cacheKey)
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}
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// RemoveFromAlbumCoverCache removes covers by album UID e.g. after adding or removing photos.
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func RemoveFromAlbumCoverCache(uid string) {
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cache := service.CoverCache()
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for thumbName := range thumb.Sizes {
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cacheKey := CacheKey(albumCover, uid, string(thumbName))
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cache.Delete(cacheKey)
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log.Debugf("removed %s from cache", cacheKey)
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}
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if err := query.UpdateAlbumPreviews(); err != nil {
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log.Errorf("failed updating album previews: %s", err)
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}
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}
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// FlushCoverCache clears the complete cover cache.
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func FlushCoverCache() {
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service.CoverCache().Flush()
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if err := query.UpdatePreviews(); err != nil {
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log.Errorf("failed updating preview images: %s", err)
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}
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log.Debugf("albums: flushed cover cache")
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}
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