diff --git a/app/controllers/comments_controller.rb b/app/controllers/comments_controller.rb
index 60af891..9012170 100644
--- a/app/controllers/comments_controller.rb
+++ b/app/controllers/comments_controller.rb
@@ -16,6 +16,7 @@ def create
     @user = User.find(session[:user]["id"])
     @photo = Photo.find(params[:photo_id])
     @comment = @photo.comments.where(user: @user).create!(comment_params)
+    # @comment = current_user.comments.create!(comment_params), add hidden field to form
     redirect_to photo_path(@photo)
   end
 
@@ -36,6 +37,7 @@ def update
     @comment = Comment.find(params[:id])
     @comment.update(comment_params)
     redirect_to photo_path(@photo)
+    # redirect_to @photo
   end
 
   #destroy
@@ -44,6 +46,7 @@ def destroy
     @comment = Comment.find(params[:id])
     @comment.destroy
     redirect_to photo_path(@photo)
+    # redirect_to @photo
   end
 
   private
diff --git a/app/controllers/photos_controller.rb b/app/controllers/photos_controller.rb
index 64b2c6a..7734fd8 100644
--- a/app/controllers/photos_controller.rb
+++ b/app/controllers/photos_controller.rb
@@ -26,6 +26,7 @@ def create
     @photo.score = 0
     @photo.save
     redirect_to (photo_path(@photo))
+    # redirect_to @photo
   end
 
   #edit
@@ -61,9 +62,10 @@ def destroy
 
   def add_tag
     @tag = Tag.find_by(tag_name: params[:tag_name])
-    if !@tag
-      @tag = Tag.create!(tag_name: params[:tag_name])
-    end
+    # if !@tag
+    #   @tag = Tag.create!(tag_name: params[:tag_name])
+    # end
+    @tag ||= Tag.create!(tag_name: params[:tag_name])
     @tag.categories.create!(photo_id: params[:photo_id])
     redirect_to :back
   end
@@ -78,6 +80,7 @@ def upvote
     @photo = Photo.find(params[:photo_id])
     @photo.score += 1
     @photo.save
+    # @photo.update(score: @photo.score += 1)
 
     redirect_to photo_path(@photo)
   end
@@ -86,6 +89,7 @@ def downvote
     @photo = Photo.find(params[:photo_id])
     @photo.score -= 1
     @photo.save
+    # @photo.update(score: @photo.score -= 1)
     redirect_to photo_path(@photo)
   end
 
@@ -94,9 +98,10 @@ def photo_params
     params.require(:photo).permit(:title, :photo_url, :user_id)
   end
 
-  private
-    def comment_params
-      params.require(:comment).permit(:content)
-    end
+
+  def comment_params
+    params.require(:comment).permit(:content)
+  end
+
 
 end
diff --git a/app/controllers/users_controller.rb b/app/controllers/users_controller.rb
index 15bef61..de97ab7 100644
--- a/app/controllers/users_controller.rb
+++ b/app/controllers/users_controller.rb
@@ -36,6 +36,10 @@ def sign_in!
     flash[:notice] = message
     redirect_to action: :sign_in
   end
+  
+  # def current_user
+  #   current_user = session[:user]
+  # end
 
   def sign_out!
     message =  "You're signed out!"
diff --git a/app/views/photos/index.html.erb b/app/views/photos/index.html.erb
index 7888b1b..e497066 100644
--- a/app/views/photos/index.html.erb
+++ b/app/views/photos/index.html.erb
@@ -10,7 +10,7 @@
     </div>
 
     <div class="index_photo_title">
-      <%= link_to photo.title, photo_path(photo)%>
+      <%= link_to photo.title, photo_path(photo)%> <!-- path can be just photo -->
     </div>
 
     <div class="index_photo_score">