82 lines
2.3 KiB
Go
82 lines
2.3 KiB
Go
package routes
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import (
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"log"
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"net/http"
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"os"
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"path"
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"strconv"
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"github.com/gorilla/mux"
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"gorm.io/gorm"
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"github.com/viktorstrate/photoview/api/graphql/models"
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"github.com/viktorstrate/photoview/api/scanner"
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)
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func RegisterPhotoRoutes(db *gorm.DB, router *mux.Router) {
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router.HandleFunc("/{name}", func(w http.ResponseWriter, r *http.Request) {
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mediaName := mux.Vars(r)["name"]
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var mediaURL models.MediaURL
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result := db.Model(&models.MediaURL{}).Joins("Media").Select("media_urls.*").Where("media_urls.media_name = ?", mediaName).Scan(&mediaURL)
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if err := result.Error; err != nil {
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w.WriteHeader(http.StatusNotFound)
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w.Write([]byte("404"))
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return
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}
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media := &mediaURL.Media
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if success, response, status, err := authenticateMedia(media, db, r); !success {
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if err != nil {
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log.Printf("WARN: error authenticating photo: %s\n", err)
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}
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w.WriteHeader(status)
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w.Write([]byte(response))
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return
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}
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var cachedPath string
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if mediaURL.Purpose == models.PhotoThumbnail || mediaURL.Purpose == models.PhotoHighRes || mediaURL.Purpose == models.VideoThumbnail {
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cachedPath = path.Join(scanner.PhotoCache(), strconv.Itoa(int(media.AlbumID)), strconv.Itoa(int(mediaURL.MediaID)), mediaURL.MediaName)
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} else if mediaURL.Purpose == models.MediaOriginal {
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cachedPath = media.Path
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} else {
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log.Printf("ERROR: Can not handle media_purpose for photo: %s\n", mediaURL.Purpose)
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w.WriteHeader(http.StatusInternalServerError)
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w.Write([]byte("internal server error"))
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return
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}
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if _, err := os.Stat(cachedPath); os.IsNotExist((err)) {
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err := db.Transaction(func(tx *gorm.DB) error {
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if _, err = scanner.ProcessMedia(tx, media); err != nil {
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log.Printf("ERROR: processing image not found in cache (%s): %s\n", cachedPath, err)
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return err
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}
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if _, err = os.Stat(cachedPath); err != nil {
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log.Printf("ERROR: after reprocessing image not found in cache (%s): %s\n", cachedPath, err)
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return err
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}
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return nil
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})
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if err != nil {
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w.WriteHeader(http.StatusInternalServerError)
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w.Write([]byte("internal server error"))
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return
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}
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}
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// Allow caching the resource for 1 day
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w.Header().Set("Cache-Control", "private, max-age=86400, immutable")
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http.ServeFile(w, r, cachedPath)
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})
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}
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