157 lines
4 KiB
Go
157 lines
4 KiB
Go
package api
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import (
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"archive/zip"
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"fmt"
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"io"
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"net/http"
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"os"
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"path"
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"path/filepath"
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"time"
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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/pkg/fs"
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"github.com/photoprism/photoprism/pkg/rnd"
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"github.com/photoprism/photoprism/pkg/txt"
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"github.com/gin-gonic/gin"
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)
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// POST /api/v1/zip
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func CreateZip(router *gin.RouterGroup, conf *config.Config) {
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router.POST("/zip", func(c *gin.Context) {
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if Unauthorized(c, conf) {
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c.AbortWithStatusJSON(http.StatusUnauthorized, ErrUnauthorized)
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return
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}
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var f form.Selection
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start := time.Now()
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if err := c.BindJSON(&f); err != nil {
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c.AbortWithStatusJSON(http.StatusBadRequest, gin.H{"error": txt.UcFirst(err.Error())})
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return
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}
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if len(f.Photos) == 0 {
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log.Error("no photos selected")
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c.AbortWithStatusJSON(http.StatusBadRequest, gin.H{"error": txt.UcFirst("no photos selected")})
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return
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}
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q := query.New(conf.OriginalsPath(), conf.Db())
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files, err := q.FindFilesByUUID(f.Photos, 1000, 0)
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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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zipPath := path.Join(conf.ExportPath(), "zip")
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zipToken := rnd.Token(3)
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zipYear := time.Now().Format("January-2006")
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zipBaseName := fmt.Sprintf("Photos-%s-%s.zip", zipYear, zipToken)
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zipFileName := path.Join(zipPath, zipBaseName)
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if err := os.MkdirAll(zipPath, 0700); err != nil {
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log.Error(err)
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c.AbortWithStatusJSON(http.StatusInternalServerError, gin.H{"error": txt.UcFirst("failed to create zip directory")})
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return
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}
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newZipFile, err := os.Create(zipFileName)
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if err != nil {
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log.Error(err)
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c.AbortWithStatusJSON(http.StatusInternalServerError, gin.H{"error": txt.UcFirst(err.Error())})
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return
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}
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defer newZipFile.Close()
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zipWriter := zip.NewWriter(newZipFile)
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defer zipWriter.Close()
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for _, f := range files {
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fileName := path.Join(conf.OriginalsPath(), f.FileName)
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fileAlias := f.DownloadFileName()
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if fs.FileExists(fileName) {
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if err := addFileToZip(zipWriter, fileName, fileAlias); err != nil {
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log.Error(err)
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c.AbortWithStatusJSON(http.StatusInternalServerError, gin.H{"error": txt.UcFirst("failed to create zip file")})
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return
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}
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log.Infof("zip: added \"%s\" as \"%s\"", f.FileName, fileAlias)
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} else {
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log.Warnf("zip: \"%s\" is missing", f.FileName)
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f.FileMissing = true
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conf.Db().Save(&f)
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}
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}
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elapsed := int(time.Since(start).Seconds())
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log.Infof("zip: archive \"%s\" created in %s", zipBaseName, time.Since(start))
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c.JSON(http.StatusOK, gin.H{"message": fmt.Sprintf("zip created in %d s", elapsed), "filename": zipBaseName})
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})
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}
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// GET /api/v1/zip/:filename
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func DownloadZip(router *gin.RouterGroup, conf *config.Config) {
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router.GET("/zip/:filename", func(c *gin.Context) {
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zipBaseName := filepath.Base(c.Param("filename"))
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zipPath := path.Join(conf.ExportPath(), "zip")
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zipFileName := path.Join(zipPath, zipBaseName)
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c.Header("Content-Disposition", fmt.Sprintf("attachment; filename=%s", zipBaseName))
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if !fs.FileExists(zipFileName) {
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log.Errorf("could not find zip file: %s", zipFileName)
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c.Data(404, "image/svg+xml", photoIconSvg)
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return
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}
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c.File(zipFileName)
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if err := os.Remove(zipFileName); err != nil {
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log.Errorf("zip: could not remove \"%s\" %s", zipFileName, err.Error())
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}
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})
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}
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func addFileToZip(zipWriter *zip.Writer, fileName, fileAlias string) error {
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fileToZip, err := os.Open(fileName)
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if err != nil {
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return err
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}
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defer fileToZip.Close()
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// Get the file information
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info, err := fileToZip.Stat()
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if err != nil {
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return err
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}
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header, err := zip.FileInfoHeader(info)
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if err != nil {
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return err
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}
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header.Name = fileAlias
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// Change to deflate to gain better compression
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// see http://golang.org/pkg/archive/zip/#pkg-constants
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header.Method = zip.Deflate
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writer, err := zipWriter.CreateHeader(header)
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if err != nil {
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return err
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}
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_, err = io.Copy(writer, fileToZip)
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return err
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}
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