Files
photoprism/internal/api/thumbnails.go
2019-05-13 18:01:50 +02:00

66 lines
1.9 KiB
Go

package api
import (
"fmt"
"github.com/photoprism/photoprism/internal/config"
"github.com/photoprism/photoprism/internal/util"
log "github.com/sirupsen/logrus"
"github.com/gin-gonic/gin"
"github.com/photoprism/photoprism/internal/photoprism"
)
var photoIconSvg = []byte(`
<svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24">
<path d="M0 0h24v24H0z" fill="none"/>
<path d="M21 19V5c0-1.1-.9-2-2-2H5c-1.1 0-2 .9-2 2v14c0 1.1.9 2 2 2h14c1.1 0 2-.9 2-2zM8.5 13.5l2.5 3.01L14.5 12l4.5 6H5l3.5-4.5z"/>
</svg>`)
// 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(400, "image/svg+xml", photoIconSvg)
return
}
search := photoprism.NewSearch(conf.OriginalsPath(), conf.Db())
file, err := search.FindFileByHash(fileHash)
if err != nil {
c.AbortWithStatusJSON(404, gin.H{"error": err.Error()})
return
}
fileName := fmt.Sprintf("%s/%s", conf.OriginalsPath(), file.FileName)
if !util.Exists(fileName) {
log.Errorf("could not find original for thumbnail: %s", fileName)
c.Data(404, "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 {
c.File(thumbnail)
} else {
log.Errorf("could not create thumbnail: %s", err)
c.Data(400, "image/svg+xml", photoIconSvg)
}
})
}