Create method in photo_galleries_controller.rb

photo_galleries_controller.rb

def create
    @photo_gallery = PhotoGallery.new(photo_gallery_params)
    respond_to do |format|
      if @photo_gallery.save
        # add save photos method in here
        save_photos(params[:photos])
        format.html { redirect_to @photo_gallery, notice: 'Photo gallery was successfully created.' }
        format.json { render :show, status: :created, location: @photo_gallery }
      else
        format.html { render :new }
        format.json { render json: @photo_gallery.errors, status: :unprocessable_entity }
      end
    end
  end