photoprism/internal/api/photo_thumbnail.go
Michael Mayer 2281c0c675 Backend: Refactor API source structure
Signed-off-by: Michael Mayer <michael@liquidbytes.net>
2019-12-16 11:04:49 +01:00

68 lines
1.9 KiB
Go

package api
import (
"fmt"
"net/http"
"path"
"github.com/photoprism/photoprism/internal/config"
"github.com/photoprism/photoprism/internal/repo"
"github.com/photoprism/photoprism/internal/util"
"github.com/gin-gonic/gin"
"github.com/photoprism/photoprism/internal/photoprism"
)
// 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 := photoprism.ThumbnailTypes[typeName]
if !ok {
log.Errorf("invalid type: %s", typeName)
c.Data(http.StatusBadRequest, "image/svg+xml", photoIconSvg)
return
}
r := repo.New(conf.OriginalsPath(), conf.Db())
file, err := r.FindFileByHash(fileHash)
if err != nil {
c.AbortWithStatusJSON(http.StatusNotFound, gin.H{"error": err.Error()})
return
}
fileName := path.Join(conf.OriginalsPath(), file.FileName)
if !util.Exists(fileName) {
log.Errorf("could not find original for thumbnail: %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
file.FileMissing = true
conf.Db().Save(&file)
return
}
if thumbnail, err := photoprism.ThumbnailFromFile(fileName, file.FileHash, conf.ThumbnailsPath(), thumbType.Width, thumbType.Height, thumbType.Options...); err == nil {
if c.Query("download") != "" {
downloadFileName := file.DownloadFileName()
c.Header("Content-Disposition", fmt.Sprintf("attachment; filename=%s", downloadFileName))
}
c.File(thumbnail)
} else {
log.Errorf("could not create thumbnail: %s", err)
c.Data(http.StatusBadRequest, "image/svg+xml", photoIconSvg)
}
})
}