First implementation of liking a photo (#48)

First implementation of liking a photo

frontend/src/app/pages/photos.vue

@@ -515,6 +515,7 @@
             },
             likePhoto(photo) {
                 photo.PhotoFavorite = !photo.PhotoFavorite;
+                photo.like(photo.PhotoFavorite);
             },
             deletePhoto(photo) {
                 this.$alert.success('Photo deleted');

frontend/src/model/photo.js

@@ -1,4 +1,5 @@
 import Abstract from 'model/abstract';
+import Api from 'common/api';
 
 class Photo extends Abstract {
     getEntityName() {
@@ -117,6 +118,14 @@ class Photo extends Abstract {
         return 'Unknown'
     }
 
+    like(liked) {
+        if (liked === true) {
+            return Api.post(this.getEntityResource() + "/like");
+        } else {
+            return Api.delete(this.getEntityResource() + "/like");
+        }
+    }
+
     static getCollectionResource() {
         return 'photos';
     }

internal/api/photos.go

@@ -5,6 +5,7 @@ import (
 	"github.com/gin-gonic/gin/binding"
 	"github.com/photoprism/photoprism/internal/forms"
 	"github.com/photoprism/photoprism/internal/photoprism"
+	"log"
 	"net/http"
 	"strconv"
 )
@@ -30,3 +31,39 @@ func GetPhotos(router *gin.RouterGroup, conf *photoprism.Config) {
 		c.JSON(http.StatusOK, result)
 	})
 }
+
+func LikePhoto(router *gin.RouterGroup, conf *photoprism.Config) {
+	router.POST("/photos/:photoId/like", func(c *gin.Context) {
+		search := photoprism.NewSearch(conf.OriginalsPath, conf.GetDb())
+
+		photoId, err := strconv.ParseUint(c.Param("photoId"), 10, 64)
+
+		if err == nil {
+			photo := search.FindPhotoById(photoId)
+			photo.PhotoFavorite = true
+			conf.GetDb().Save(&photo)
+			c.JSON(http.StatusAccepted, http.Response{})
+		} else {
+			log.Printf("could not find image for id: %s", err.Error())
+			c.Data(http.StatusNotFound, "image", []byte(""))
+		}
+	})
+}
+
+func DislikePhoto(router *gin.RouterGroup, conf *photoprism.Config) {
+	router.DELETE("/photos/:photoId/like", func(c *gin.Context) {
+		search := photoprism.NewSearch(conf.OriginalsPath, conf.GetDb())
+
+		photoId, err := strconv.ParseUint(c.Param("photoId"), 10, 64)
+
+		if err == nil {
+			photo := search.FindPhotoById(photoId)
+			photo.PhotoFavorite = false
+			conf.GetDb().Save(&photo)
+			c.JSON(http.StatusAccepted, http.Response{})
+		} else {
+			log.Printf("could not find image for id: %s", err.Error())
+			c.Data(http.StatusNotFound, "image", []byte(""))
+		}
+	})
+}

internal/photoprism/search.go

@@ -193,3 +193,9 @@ func (s *Search) FindFileByHash(fileHash string) (file File) {
 
 	return file
 }
+
+func (s *Search) FindPhotoById(photoId uint64) (photo Photo) {
+	s.db.Where("id = ?", photoId).First(&photo)
+
+	return photo
+}

internal/server/routes.go

@@ -20,6 +20,8 @@ func registerRoutes(app *gin.Engine, conf *photoprism.Config) {
 	{
 		api.GetPhotos(v1, conf)
 		api.GetThumbnail(v1, conf)
+		api.LikePhoto(v1, conf)
+		api.DislikePhoto(v1, conf)
 	}
 
 	// Default HTML page (client-side routing implemented via Vue.js)