learning_objects_controller.rb

class LearningObjectsController < ApplicationController
  before_action :set_learning_object, only: [:show, :edit, :update, :destroy, :like]
  after_action :increment_learning_object_views, only: [:show]
  before_action :authenticate_user!, except: [:index, :show]

  # GET /learning_objects
  # GET /learning_objects.json
  def index
    @learning_objects = learning_object_repository.all
  end

  # GET /learning_objects/1
  # GET /learning_objects/1.json
  def show
  end

  # GET /learning_objects/new
  def new
    @learning_object = LearningObject.new
  end

  # GET /learning_objects/1/edit
  def edit
  end

  # POST /learning_objects
  # POST /learning_objects.json
  def create
    @learning_object = LearningObject.new(learning_object_params)

    respond_to do |format|
      if learning_object_repository.save @learning_object
        format.html { redirect_to @learning_object, notice: 'Learning object was successfully created.' }
      else
        format.html { render :new }
      end
    end
  end

  # PATCH/PUT /learning_objects/1
  # PATCH/PUT /learning_objects/1.json
  def update
    respond_to do |format|
      if learning_object_repository.update(learning_object_params)
        format.html { redirect_to @learning_object, notice: 'Learning object was successfully updated.' }
      else
        format.html { render :edit }
      end
    end
  end

  # DELETE /learning_objects/1
  # DELETE /learning_objects/1.json
  def destroy
    learning_object_repository.destroy @learning_object

    respond_to do |format|
      format.html { redirect_to learning_objects_url, notice: 'Learning object was successfully destroyed.' }
    end
  end

  # POST /learning_objects/1/like
  def like
    learning_object_repository.like current_user, @learning_object
    redirect_to :back
  end

  private

  # Use callbacks to share common setup or constraints between actions.
  def set_learning_object
    @learning_object = learning_object_repository.find params[:id]
  end

  # Never trust parameters from the scary internet, only allow the white list through.
  def learning_object_params
    params[:learning_object]
  end

  def increment_learning_object_views
    if user_signed_in?
      learning_object_repository.increment_views current_user, @learning_object
    end
  end

end