113 lines
2.5 KiB
Go
113 lines
2.5 KiB
Go
package api
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import (
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"fmt"
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"image"
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"image/color"
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"net/http"
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"os"
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"path"
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"time"
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"github.com/disintegration/imaging"
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"github.com/gin-gonic/gin"
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"github.com/photoprism/photoprism/internal/config"
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"github.com/photoprism/photoprism/internal/form"
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"github.com/photoprism/photoprism/internal/query"
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"github.com/photoprism/photoprism/internal/thumb"
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"github.com/photoprism/photoprism/pkg/fs"
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)
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// GET /api/v1/preview
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func GetPreview(router *gin.RouterGroup, conf *config.Config) {
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router.GET("/preview", func(c *gin.Context) {
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// TODO: proof of concept - code needs refactoring!
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t := time.Now().Format("20060102")
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thumbPath := path.Join(conf.ThumbnailsPath(), "preview", t[0:4], t[4:6])
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if err := os.MkdirAll(thumbPath, os.ModePerm); err != nil {
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log.Error(err)
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c.Data(http.StatusNotFound, "image/svg+xml", photoIconSvg)
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return
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}
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previewFilename := fmt.Sprintf("%s/%s.jpg", thumbPath, t[6:8])
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if fs.FileExists(previewFilename) {
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c.File(previewFilename)
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return
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}
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var f form.PhotoSearch
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f.Public = true
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f.Safe = true
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f.Count = 12
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f.Order = "relevance"
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q := query.New(conf.OriginalsPath(), conf.Db())
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p, err := q.Photos(f)
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if err != nil {
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log.Error(err)
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c.Data(http.StatusNotFound, "image/svg+xml", photoIconSvg)
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return
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}
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width := 908
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height := 680
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x := 0
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y := 0
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preview := imaging.New(width, height, color.NRGBA{255, 255, 255, 255})
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thumbType, _ := thumb.Types["tile_224"]
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for _, f := range p {
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fileName := path.Join(conf.OriginalsPath(), f.FileName)
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if !fs.FileExists(fileName) {
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log.Errorf("could not find original for thumbnail: %s", fileName)
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c.Data(http.StatusNotFound, "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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f.FileMissing = true
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conf.Db().Save(&f)
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return
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}
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thumbnail, err := thumb.FromFile(fileName, f.FileHash, conf.ThumbnailsPath(), thumbType.Width, thumbType.Height, thumbType.Options...)
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if err != nil {
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log.Error(err)
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c.Data(http.StatusNotFound, "image/svg+xml", photoIconSvg)
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}
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src, err := imaging.Open(thumbnail)
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if err != nil {
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log.Error(err)
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c.Data(http.StatusNotFound, "image/svg+xml", photoIconSvg)
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}
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preview = imaging.Paste(preview, src, image.Pt(x, y))
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x += 228
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if x > width {
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x = 0
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y += 228
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}
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}
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// Save the resulting image as JPEG.
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err = imaging.Save(preview, previewFilename)
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if err != nil {
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log.Error(err)
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c.Data(http.StatusNotFound, "image/svg+xml", photoIconSvg)
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return
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}
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c.File(previewFilename)
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})
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}
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