78 lines
2.3 KiB
Go
78 lines
2.3 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/config"
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log "github.com/sirupsen/logrus"
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"github.com/gin-gonic/gin"
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"github.com/photoprism/photoprism/internal/photoprism"
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)
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var photoIconSvg = []byte(`
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<svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24">
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<path d="M0 0h24v24H0z" fill="none"/>
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<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"/>
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</svg>`)
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// GET /api/v1/thumbnails/:type/:size/:hash
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//
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// Parameters:
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// type: string Format, either "fit" or "square"
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// size: int Size in pixels
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// hash: string The file hash as returned by the search API
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func GetThumbnail(router *gin.RouterGroup, conf *config.Config) {
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router.GET("/thumbnails/:type/:size/:hash", func(c *gin.Context) {
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fileHash := c.Param("hash")
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thumbnailType := c.Param("type")
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size, err := strconv.Atoi(c.Param("size"))
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if err != nil {
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log.Errorf("invalid size: %s", c.Param("size"))
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c.Data(400, "image/svg+xml", photoIconSvg)
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return
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}
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search := photoprism.NewSearch(conf.OriginalsPath(), conf.Db())
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file, err := search.FindFileByHash(fileHash)
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if err != nil {
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c.AbortWithStatusJSON(404, gin.H{"error": err.Error()})
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return
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}
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fileName := fmt.Sprintf("%s/%s", conf.OriginalsPath(), file.FileName)
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mediaFile, err := photoprism.NewMediaFile(fileName)
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if err != nil {
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log.Errorf("could not find image for thumbnail: %s", err.Error())
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c.Data(404, "image/svg+xml", photoIconSvg)
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// Set missing flag so that the file doesn't show up in search results anymore
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file.FileMissing = true
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conf.Db().Save(&file)
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return
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}
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switch thumbnailType {
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case "fit":
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if thumbnail, err := mediaFile.Thumbnail(conf.ThumbnailsPath(), size); err == nil {
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c.File(thumbnail.Filename())
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} else {
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log.Errorf("could not create thumbnail: %s", err.Error())
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c.Data(400, "image/svg+xml", photoIconSvg)
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}
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case "square":
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if thumbnail, err := mediaFile.SquareThumbnail(conf.ThumbnailsPath(), size); err == nil {
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c.File(thumbnail.Filename())
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} else {
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log.Errorf("could not create square thumbnail: %s", err.Error())
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c.Data(400, "image/svg+xml", photoIconSvg)
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}
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default:
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log.Errorf("unknown thumbnail type: %s", thumbnailType)
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c.Data(400, "image/svg+xml", photoIconSvg)
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}
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})
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}
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