photoprism/internal/api/album.go
2022-02-27 17:32:54 +01:00

517 lines
11 KiB
Go

package api
import (
"archive/zip"
"net/http"
"path/filepath"
"strings"
"time"
"github.com/gin-gonic/gin"
"github.com/photoprism/photoprism/internal/acl"
"github.com/photoprism/photoprism/internal/entity"
"github.com/photoprism/photoprism/internal/event"
"github.com/photoprism/photoprism/internal/form"
"github.com/photoprism/photoprism/internal/i18n"
"github.com/photoprism/photoprism/internal/photoprism"
"github.com/photoprism/photoprism/internal/query"
"github.com/photoprism/photoprism/internal/search"
"github.com/photoprism/photoprism/internal/service"
"github.com/photoprism/photoprism/pkg/fs"
"github.com/photoprism/photoprism/pkg/sanitize"
)
// SaveAlbumAsYaml saves album data as YAML file.
func SaveAlbumAsYaml(a entity.Album) {
c := service.Config()
// Write YAML sidecar file (optional).
if !c.BackupYaml() {
return
}
fileName := a.YamlFileName(c.AlbumsPath())
if err := a.SaveAsYaml(fileName); err != nil {
log.Errorf("album: %s (update yaml)", err)
} else {
log.Debugf("album: updated yaml file %s", sanitize.Log(filepath.Base(fileName)))
}
}
// GetAlbum returns album details as JSON.
//
// GET /api/v1/albums/:uid
func GetAlbum(router *gin.RouterGroup) {
router.GET("/albums/:uid", func(c *gin.Context) {
s := Auth(SessionID(c), acl.ResourceAlbums, acl.ActionRead)
if s.Invalid() {
AbortUnauthorized(c)
return
}
id := sanitize.IdString(c.Param("uid"))
a, err := query.AlbumByUID(id)
if err != nil {
Abort(c, http.StatusNotFound, i18n.ErrAlbumNotFound)
return
}
c.JSON(http.StatusOK, a)
})
}
// CreateAlbum adds a new album.
//
// POST /api/v1/albums
func CreateAlbum(router *gin.RouterGroup) {
router.POST("/albums", func(c *gin.Context) {
s := Auth(SessionID(c), acl.ResourceAlbums, acl.ActionCreate)
if s.Invalid() {
AbortUnauthorized(c)
return
}
var f form.Album
if err := c.BindJSON(&f); err != nil {
AbortBadRequest(c)
return
}
a := entity.NewAlbum(f.AlbumTitle, entity.AlbumDefault)
a.AlbumFavorite = f.AlbumFavorite
if res := entity.Db().Create(a); res.Error != nil {
AbortAlreadyExists(c, sanitize.Log(a.AlbumTitle))
return
}
event.SuccessMsg(i18n.MsgAlbumCreated)
UpdateClientConfig()
PublishAlbumEvent(EntityCreated, a.AlbumUID, c)
SaveAlbumAsYaml(*a)
c.JSON(http.StatusOK, a)
})
}
// UpdateAlbum updates album metadata like title and description.
//
// PUT /api/v1/albums/:uid
func UpdateAlbum(router *gin.RouterGroup) {
router.PUT("/albums/:uid", func(c *gin.Context) {
s := Auth(SessionID(c), acl.ResourceAlbums, acl.ActionUpdate)
if s.Invalid() {
AbortUnauthorized(c)
return
}
uid := sanitize.IdString(c.Param("uid"))
a, err := query.AlbumByUID(uid)
if err != nil {
Abort(c, http.StatusNotFound, i18n.ErrAlbumNotFound)
return
}
f, err := form.NewAlbum(a)
if err != nil {
log.Error(err)
AbortSaveFailed(c)
return
}
if err := c.BindJSON(&f); err != nil {
log.Error(err)
AbortBadRequest(c)
return
}
if err := a.SaveForm(f); err != nil {
log.Error(err)
AbortSaveFailed(c)
return
}
UpdateClientConfig()
event.SuccessMsg(i18n.MsgAlbumSaved)
PublishAlbumEvent(EntityUpdated, uid, c)
SaveAlbumAsYaml(a)
c.JSON(http.StatusOK, a)
})
}
// DeleteAlbum deletes an existing album.
//
// DELETE /api/v1/albums/:uid
func DeleteAlbum(router *gin.RouterGroup) {
router.DELETE("/albums/:uid", func(c *gin.Context) {
s := Auth(SessionID(c), acl.ResourceAlbums, acl.ActionDelete)
if s.Invalid() {
AbortUnauthorized(c)
return
}
id := sanitize.IdString(c.Param("uid"))
a, err := query.AlbumByUID(id)
if err != nil {
Abort(c, http.StatusNotFound, i18n.ErrAlbumNotFound)
return
}
// Regular, manually created album?
if a.IsDefault() {
// Soft delete manually created albums.
err = a.Delete()
} else {
// Permanently delete automatically created albums.
err = a.DeletePermanently()
}
if err != nil {
log.Errorf("album: %s (delete)", err)
AbortDeleteFailed(c)
return
}
PublishAlbumEvent(EntityDeleted, id, c)
UpdateClientConfig()
SaveAlbumAsYaml(a)
event.SuccessMsg(i18n.MsgAlbumDeleted, sanitize.Log(a.AlbumTitle))
c.JSON(http.StatusOK, a)
})
}
// LikeAlbum sets the favorite flag for an album.
//
// POST /api/v1/albums/:uid/like
//
// Parameters:
// uid: string Album UID
func LikeAlbum(router *gin.RouterGroup) {
router.POST("/albums/:uid/like", func(c *gin.Context) {
s := Auth(SessionID(c), acl.ResourceAlbums, acl.ActionLike)
if s.Invalid() {
AbortUnauthorized(c)
return
}
id := sanitize.IdString(c.Param("uid"))
a, err := query.AlbumByUID(id)
if err != nil {
Abort(c, http.StatusNotFound, i18n.ErrAlbumNotFound)
return
}
if err := a.Update("AlbumFavorite", true); err != nil {
Abort(c, http.StatusInternalServerError, i18n.ErrSaveFailed)
return
}
UpdateClientConfig()
PublishAlbumEvent(EntityUpdated, id, c)
SaveAlbumAsYaml(a)
c.JSON(http.StatusOK, i18n.NewResponse(http.StatusOK, i18n.MsgChangesSaved))
})
}
// DislikeAlbum removes the favorite flag from an album.
//
// DELETE /api/v1/albums/:uid/like
//
// Parameters:
// uid: string Album UID
func DislikeAlbum(router *gin.RouterGroup) {
router.DELETE("/albums/:uid/like", func(c *gin.Context) {
s := Auth(SessionID(c), acl.ResourceAlbums, acl.ActionLike)
if s.Invalid() {
AbortUnauthorized(c)
return
}
id := sanitize.IdString(c.Param("uid"))
a, err := query.AlbumByUID(id)
if err != nil {
Abort(c, http.StatusNotFound, i18n.ErrAlbumNotFound)
return
}
if err := a.Update("AlbumFavorite", false); err != nil {
Abort(c, http.StatusInternalServerError, i18n.ErrSaveFailed)
return
}
UpdateClientConfig()
PublishAlbumEvent(EntityUpdated, id, c)
SaveAlbumAsYaml(a)
c.JSON(http.StatusOK, i18n.NewResponse(http.StatusOK, i18n.MsgChangesSaved))
})
}
// CloneAlbums creates a new album containing pictures from other albums.
//
// POST /api/v1/albums/:uid/clone
func CloneAlbums(router *gin.RouterGroup) {
router.POST("/albums/:uid/clone", func(c *gin.Context) {
s := Auth(SessionID(c), acl.ResourceAlbums, acl.ActionUpdate)
if s.Invalid() {
AbortUnauthorized(c)
return
}
a, err := query.AlbumByUID(sanitize.IdString(c.Param("uid")))
if err != nil {
Abort(c, http.StatusNotFound, i18n.ErrAlbumNotFound)
return
}
var f form.Selection
if err := c.BindJSON(&f); err != nil {
AbortBadRequest(c)
return
}
var added []entity.PhotoAlbum
for _, uid := range f.Albums {
cloneAlbum, err := query.AlbumByUID(uid)
if err != nil {
log.Errorf("album: %s", err)
continue
}
photos, err := search.AlbumPhotos(cloneAlbum, 10000, false)
if err != nil {
log.Errorf("album: %s", err)
continue
}
added = append(added, a.AddPhotos(photos.UIDs())...)
}
if len(added) > 0 {
event.SuccessMsg(i18n.MsgSelectionAddedTo, sanitize.Log(a.Title()))
PublishAlbumEvent(EntityUpdated, a.AlbumUID, c)
SaveAlbumAsYaml(a)
}
c.JSON(http.StatusOK, gin.H{"code": http.StatusOK, "message": i18n.Msg(i18n.MsgAlbumCloned), "album": a, "added": added})
})
}
// AddPhotosToAlbum adds photos to an album.
//
// POST /api/v1/albums/:uid/photos
func AddPhotosToAlbum(router *gin.RouterGroup) {
router.POST("/albums/:uid/photos", func(c *gin.Context) {
s := Auth(SessionID(c), acl.ResourceAlbums, acl.ActionUpdate)
if s.Invalid() {
AbortUnauthorized(c)
return
}
var f form.Selection
if err := c.BindJSON(&f); err != nil {
AbortBadRequest(c)
return
}
uid := sanitize.IdString(c.Param("uid"))
a, err := query.AlbumByUID(uid)
if err != nil {
Abort(c, http.StatusNotFound, i18n.ErrAlbumNotFound)
return
}
// Fetch selection from index.
photos, err := query.SelectedPhotos(f)
if err != nil {
log.Errorf("album: %s", err)
AbortBadRequest(c)
return
}
added := a.AddPhotos(photos.UIDs())
if len(added) > 0 {
if len(added) == 1 {
event.SuccessMsg(i18n.MsgEntryAddedTo, sanitize.Log(a.Title()))
} else {
event.SuccessMsg(i18n.MsgEntriesAddedTo, len(added), sanitize.Log(a.Title()))
}
RemoveFromAlbumCoverCache(a.AlbumUID)
PublishAlbumEvent(EntityUpdated, a.AlbumUID, c)
SaveAlbumAsYaml(a)
}
c.JSON(http.StatusOK, gin.H{"code": http.StatusOK, "message": i18n.Msg(i18n.MsgChangesSaved), "album": a, "photos": photos.UIDs(), "added": added})
})
}
// RemovePhotosFromAlbum removes photos from an album.
//
// DELETE /api/v1/albums/:uid/photos
func RemovePhotosFromAlbum(router *gin.RouterGroup) {
router.DELETE("/albums/:uid/photos", func(c *gin.Context) {
s := Auth(SessionID(c), acl.ResourceAlbums, acl.ActionUpdate)
if s.Invalid() {
AbortUnauthorized(c)
return
}
var f form.Selection
if err := c.BindJSON(&f); err != nil {
AbortBadRequest(c)
return
}
if len(f.Photos) == 0 {
Abort(c, http.StatusBadRequest, i18n.ErrNoItemsSelected)
return
}
a, err := query.AlbumByUID(sanitize.IdString(c.Param("uid")))
if err != nil {
Abort(c, http.StatusNotFound, i18n.ErrAlbumNotFound)
return
}
removed := a.RemovePhotos(f.Photos)
if len(removed) > 0 {
if len(removed) == 1 {
event.SuccessMsg(i18n.MsgEntryRemovedFrom, sanitize.Log(a.Title()))
} else {
event.SuccessMsg(i18n.MsgEntriesRemovedFrom, len(removed), sanitize.Log(sanitize.Log(a.Title())))
}
RemoveFromAlbumCoverCache(a.AlbumUID)
PublishAlbumEvent(EntityUpdated, a.AlbumUID, c)
SaveAlbumAsYaml(a)
}
c.JSON(http.StatusOK, gin.H{"code": http.StatusOK, "message": i18n.Msg(i18n.MsgChangesSaved), "album": a, "photos": f.Photos, "removed": removed})
})
}
// DownloadAlbum streams the album contents as zip archive.
//
// GET /api/v1/albums/:uid/dl
func DownloadAlbum(router *gin.RouterGroup) {
router.GET("/albums/:uid/dl", func(c *gin.Context) {
if InvalidDownloadToken(c) {
AbortUnauthorized(c)
return
}
start := time.Now()
a, err := query.AlbumByUID(sanitize.IdString(c.Param("uid")))
if err != nil {
Abort(c, http.StatusNotFound, i18n.ErrAlbumNotFound)
return
}
files, err := search.AlbumPhotos(a, 10000, true)
if err != nil {
AbortEntityNotFound(c)
return
}
zipFileName := a.ZipName()
AddDownloadHeader(c, zipFileName)
zipWriter := zip.NewWriter(c.Writer)
defer func() { _ = zipWriter.Close() }()
var aliases = make(map[string]int)
for _, file := range files {
if file.FileHash == "" {
log.Warnf("download: empty file hash, skipped %s", sanitize.Log(file.FileName))
continue
}
if file.FileSidecar {
log.Debugf("download: skipped sidecar %s", sanitize.Log(file.FileName))
continue
}
fileName := photoprism.FileName(file.FileRoot, file.FileName)
alias := file.ShareBase(0)
key := strings.ToLower(alias)
if seq := aliases[key]; seq > 0 {
alias = file.ShareBase(seq)
}
aliases[key] += 1
if fs.FileExists(fileName) {
if err := addFileToZip(zipWriter, fileName, alias); err != nil {
log.Error(err)
Abort(c, http.StatusInternalServerError, i18n.ErrZipFailed)
return
}
log.Infof("download: added %s as %s", sanitize.Log(file.FileName), sanitize.Log(alias))
} else {
log.Errorf("download: failed finding %s", sanitize.Log(file.FileName))
}
}
log.Infof("download: created %s [%s]", sanitize.Log(zipFileName), time.Since(start))
})
}