collections_controller.rb

class V1::CollectionsController < ApplicationController
  include ::SociableController
  include ::FollowableController
  include ::TaggableController
  include ::DeletedObjectsController
  include ::HighlightsController

  before_action :set_collection, only: [:show, :update, :destroy]
  before_action :authenticate_user!, only: [:create, :update, :destroy]

  # GET /v1/collections
  # GET /v1/collections.json
  def index
    render json: Collection.all
  end

  # GET /v1/collections/1
  # GET /v1/collections/1.json
  def show
    render json: @collection
  end

  # POST /v1/collection
  # POST /v1/collection.json
  def create
    collection = Collection.new(collection_params)

    if collection.save
      render json: collection, status: :created
    else
      render json: collection.errors, status: :unprocessable_entity
    end
  end

  # PUT/PATCH /v1/users/1
  # PUT/PATCH /v1/users/1.json
  def update
    if @collection.update(collection_params)
      render json: @collection, status: :ok
    else
      render json: @collection.errors, status: :unprocessable_entity
    end
  end

  # DELETE /v1/collections/1
  # DELETE /v1/collections/1.json
  def destroy
    @collection.destroy
    render nothing: true, status: :ok
  end

  # POST /v1/collections/!/itens
  def add_object
    # {
    #   "collection" : {
    #     "itens" : [
    #       { "id": 300, "type" : "LearningObject"},
    #       { "id": 233, "type" : "Collection"},
    #       { "id": 028, "type" : "LearningObject"},
    #       { "id": 070, "type" : "LearningObject"},
    #       { "id": 110, "type" : "Collection"}
    #     ]
    #   }
    # }

    #= Receba a hash dos parametros
    itens =  params[:itens]

    #= Retorne unprocessable entity Se parametros invalidos
    if params.nil?
      render: nothing: true, status: :unprocessable_entity
    end

    #= Ordem recebe, caso último elemento não nulo, ordem do último elemento, senão 1
    order = CollectionItem.all.where("collection_id=#{@collection.id}").nil? ? 1 : CollectionItem.first.where("collection_id=#{@collection.id}").order('order DESC')

    #= Para cada item da hash
    itens.each do |item|
      #= Instancie CollectionItem
      item = CollectionItem.new(item)

      #= Defina a ordem
      item.order = order

      #= Acrescente 1 ao contador de ordem
      item = item+1

      #= Salve a instancia
      item.save
    #=
    end

    #= Renderize a coleção com os itens, e envie status ok
    render @collection, status: :ok
  end

  private

  def deleted_resource; Collection; end
  def highlights_resource; Collection; end

  # social concerns methods
  def followable; set_collection; end
  def taggable; set_collection; end
  def sociable; set_collection; end

  def set_collection
    @collection ||= Collection.find(params[:id])
  end

  # Never trust parameters from the scary internet, only allow the white list through.
  def collection_params
    params.require(:collection).permit(:name, :description, :owner_id, :owner_type, :privacy, tags: [])
  end

  def collection_params
    params.require(:collection).permit(itens: [])
  end
end