package api import ( "fmt" "net/http" "path" "github.com/gin-gonic/gin" "github.com/photoprism/photoprism/internal/config" "github.com/photoprism/photoprism/internal/query" "github.com/photoprism/photoprism/internal/thumb" "github.com/photoprism/photoprism/pkg/fs" ) // GET /api/v1/thumbnails/:hash/:type // // Parameters: // hash: string The file hash as returned by the search API // type: string Thumbnail type, see photoprism.ThumbnailTypes func GetThumbnail(router *gin.RouterGroup, conf *config.Config) { router.GET("/thumbnails/:hash/:type", func(c *gin.Context) { fileHash := c.Param("hash") typeName := c.Param("type") thumbType, ok := thumb.Types[typeName] if !ok { log.Errorf("photo: invalid thumb type \"%s\"", typeName) c.Data(http.StatusBadRequest, "image/svg+xml", photoIconSvg) return } db := conf.Db() q := query.New(conf.OriginalsPath(), db) f, err := q.FindFileByHash(fileHash) if err != nil { c.Data(http.StatusNotFound, "image/svg+xml", photoIconSvg) return } if f.FileError != "" { c.Data(http.StatusBadRequest, "image/svg+xml", brokenIconSvg) return } fileName := path.Join(conf.OriginalsPath(), f.FileName) if !fs.FileExists(fileName) { log.Errorf("photo: could not find original for %s", fileName) c.Data(http.StatusNotFound, "image/svg+xml", photoIconSvg) // Set missing flag so that the file doesn't show up in search results anymore f.FileMissing = true db.Save(&f) return } // Use original file if thumb size exceeds limit, see https://github.com/photoprism/photoprism/issues/157 if thumbType.ExceedsLimit() && c.Query("download") == "" { log.Debugf("photo: using original, thumbnail size exceeds limit (width %d, height %d)", thumbType.Width, thumbType.Height) c.File(fileName) return } if thumbnail, err := thumb.FromFile(fileName, f.FileHash, conf.ThumbnailsPath(), thumbType.Width, thumbType.Height, thumbType.Options...); err == nil { if c.Query("download") != "" { c.Header("Content-Disposition", fmt.Sprintf("attachment; filename=%s", f.DownloadFileName())) } c.File(thumbnail) } else { log.Errorf("photo: %s", err) f.FileError = err.Error() db.Save(&f) c.Data(http.StatusBadRequest, "image/svg+xml", brokenIconSvg) } }) }