photoprism/internal/api/label.go
Michael Mayer 68843a626d Backend: Add translations for API messages
Signed-off-by: Michael Mayer <michael@liquidbytes.net>
2020-07-04 12:54:35 +02:00

283 lines
6.8 KiB
Go

package api
import (
"encoding/json"
"fmt"
"net/http"
"path/filepath"
"strconv"
"time"
"github.com/gin-gonic/gin"
"github.com/gin-gonic/gin/binding"
"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/photoprism"
"github.com/photoprism/photoprism/internal/query"
"github.com/photoprism/photoprism/internal/service"
"github.com/photoprism/photoprism/internal/thumb"
"github.com/photoprism/photoprism/pkg/fs"
"github.com/photoprism/photoprism/pkg/txt"
)
// GET /api/v1/labels
func GetLabels(router *gin.RouterGroup) {
router.GET("/labels", func(c *gin.Context) {
s := Auth(SessionID(c), acl.ResourceLabels, acl.ActionSearch)
if s.Invalid() {
AbortUnauthorized(c)
return
}
var f form.LabelSearch
err := c.MustBindWith(&f, binding.Form)
if err != nil {
AbortBadRequest(c)
return
}
result, err := query.Labels(f)
if err != nil {
c.AbortWithStatusJSON(400, gin.H{"error": txt.UcFirst(err.Error())})
return
}
// TODO c.Header("X-Count", strconv.Itoa(count))
c.Header("X-Limit", strconv.Itoa(f.Count))
c.Header("X-Offset", strconv.Itoa(f.Offset))
c.JSON(http.StatusOK, result)
})
}
// PUT /api/v1/labels/:uid
func UpdateLabel(router *gin.RouterGroup) {
router.PUT("/labels/:uid", func(c *gin.Context) {
s := Auth(SessionID(c), acl.ResourceLabels, acl.ActionUpdate)
if s.Invalid() {
AbortUnauthorized(c)
return
}
var f form.Label
if err := c.BindJSON(&f); err != nil {
AbortBadRequest(c)
return
}
id := c.Param("uid")
m, err := query.LabelByUID(id)
if err != nil {
c.AbortWithStatusJSON(http.StatusNotFound, ErrLabelNotFound)
return
}
m.SetName(f.LabelName)
entity.Db().Save(&m)
event.Success("label saved")
PublishLabelEvent(EntityUpdated, id, c)
c.JSON(http.StatusOK, m)
})
}
// POST /api/v1/labels/:uid/like
//
// Parameters:
// uid: string Label UID
func LikeLabel(router *gin.RouterGroup) {
router.POST("/labels/:uid/like", func(c *gin.Context) {
s := Auth(SessionID(c), acl.ResourceLabels, acl.ActionUpdate)
if s.Invalid() {
AbortUnauthorized(c)
return
}
id := c.Param("uid")
label, err := query.LabelByUID(id)
if err != nil {
c.AbortWithStatusJSON(http.StatusNotFound, gin.H{"error": txt.UcFirst(err.Error())})
return
}
if err := label.Update("LabelFavorite", true); err != nil {
c.AbortWithStatusJSON(http.StatusInternalServerError, gin.H{"error": txt.UcFirst(err.Error())})
return
}
if label.LabelPriority < 0 {
event.Publish("count.labels", event.Data{
"count": 1,
})
}
PublishLabelEvent(EntityUpdated, id, c)
c.JSON(http.StatusOK, http.Response{})
})
}
// DELETE /api/v1/labels/:uid/like
//
// Parameters:
// uid: string Label UID
func DislikeLabel(router *gin.RouterGroup) {
router.DELETE("/labels/:uid/like", func(c *gin.Context) {
s := Auth(SessionID(c), acl.ResourceLabels, acl.ActionUpdate)
if s.Invalid() {
AbortUnauthorized(c)
return
}
id := c.Param("uid")
label, err := query.LabelByUID(id)
if err != nil {
c.AbortWithStatusJSON(http.StatusNotFound, gin.H{"error": txt.UcFirst(err.Error())})
return
}
if err := label.Update("LabelFavorite", false); err != nil {
c.AbortWithStatusJSON(http.StatusInternalServerError, gin.H{"error": txt.UcFirst(err.Error())})
return
}
if label.LabelPriority < 0 {
event.Publish("count.labels", event.Data{
"count": -1,
})
}
PublishLabelEvent(EntityUpdated, id, c)
c.JSON(http.StatusOK, http.Response{})
})
}
// GET /api/v1/labels/:uid/t/:token/:type
//
// Parameters:
// uid: string Label UID
// type: string Thumbnail type, see photoprism.ThumbnailTypes
func LabelThumbnail(router *gin.RouterGroup) {
router.GET("/labels/:uid/t/:token/:type", func(c *gin.Context) {
if InvalidPreviewToken(c) {
c.Data(http.StatusForbidden, "image/svg+xml", labelIconSvg)
return
}
start := time.Now()
conf := service.Config()
typeName := c.Param("type")
uid := c.Param("uid")
thumbType, ok := thumb.Types[typeName]
if !ok {
log.Errorf("label-thumbnail: invalid type %s", txt.Quote(typeName))
c.Data(http.StatusOK, "image/svg+xml", labelIconSvg)
return
}
cache := service.Cache()
cacheKey := fmt.Sprintf("label-thumbnail:%s:%s", uid, typeName)
if cacheData, err := cache.Get(cacheKey); err == nil {
log.Debugf("cache hit for %s [%s]", cacheKey, time.Since(start))
var cached ThumbCache
if err := json.Unmarshal(cacheData, &cached); err != nil {
log.Errorf("label-thumbnail: %s not found", uid)
c.Data(http.StatusOK, "image/svg+xml", labelIconSvg)
return
}
if !fs.FileExists(cached.FileName) {
log.Errorf("label-thumbnail: %s not found", uid)
c.Data(http.StatusOK, "image/svg+xml", labelIconSvg)
return
}
if c.Query("download") != "" {
c.FileAttachment(cached.FileName, cached.ShareName)
} else {
c.File(cached.FileName)
}
return
}
f, err := query.LabelThumbByUID(uid)
if err != nil {
log.Errorf(err.Error())
c.Data(http.StatusOK, "image/svg+xml", labelIconSvg)
return
}
fileName := photoprism.FileName(f.FileRoot, f.FileName)
if !fs.FileExists(fileName) {
log.Errorf("label-thumbnail: file %s is missing", txt.Quote(f.FileName))
c.Data(http.StatusOK, "image/svg+xml", labelIconSvg)
// Set missing flag so that the file doesn't show up in search results anymore.
logError("label-thumbnail", f.Update("FileMissing", true))
return
}
// Use original file if thumb size exceeds limit, see https://github.com/photoprism/photoprism/issues/157
if thumbType.ExceedsLimit() {
log.Debugf("label-thumbnail: using original, size exceeds limit (width %d, height %d)", thumbType.Width, thumbType.Height)
c.File(fileName)
return
}
var thumbnail string
if conf.ThumbUncached() || thumbType.OnDemand() {
thumbnail, err = thumb.FromFile(fileName, f.FileHash, conf.ThumbPath(), thumbType.Width, thumbType.Height, thumbType.Options...)
} else {
thumbnail, err = thumb.FromCache(fileName, f.FileHash, conf.ThumbPath(), thumbType.Width, thumbType.Height, thumbType.Options...)
}
if err != nil {
log.Errorf("label-thumbnail: %s", err)
c.Data(http.StatusOK, "image/svg+xml", labelIconSvg)
return
} else if thumbnail == "" {
log.Errorf("label-thumbnail: %s has empty thumb name - bug?", filepath.Base(fileName))
c.Data(http.StatusOK, "image/svg+xml", labelIconSvg)
return
}
if cached, err := json.Marshal(ThumbCache{thumbnail, f.ShareFileName()}); err == nil {
logError("label-thumbnail", cache.Set(cacheKey, cached))
log.Debugf("cached %s [%s]", cacheKey, time.Since(start))
}
if c.Query("download") != "" {
c.FileAttachment(thumbnail, f.ShareFileName())
} else {
c.File(thumbnail)
}
})
}