thomas-mcdonald/qa

require_dependency 'answer_creator'
require_dependency 'timeline_action'

class AnswersController < ApplicationController
  include TimelineAction

  before_action :require_login, except: [:timeline]

  def create
    @question = Question.find(params[:answer][:question_id])
    creator = AnswerCreator.new(@question, current_user, answer_params)
    @answer = creator.create
    if creator.errors
      render json: { errors: creator.errors }, status: 422
    else
      render_json_partial('answers/answer',
                  answer: @answer, question: @question)
    end
  end

  def edit
    @answer = Answer.find(params[:id])
    authorize(@answer)
  end

  def update
    # TODO: return something sensible on errors!
    @answer = Answer.find(params[:id])
    authorize(@answer)
    @answer.update_attributes(answer_params)
    @answer.update_last_activity(current_user)
    @answer.edit_timeline_event!(current_user)
    @answer.save
    redirect_to @answer.question
  end

  private

  def answer_params
    params.require(:answer).permit(:body)
  end

  def load_timeline_post
    @post = Answer.find(params[:id])
  end
end