minnestar / sessionizer

class AttendancesController < ApplicationController

  before_action :create_participant, only: :create

  load_resource :session

  def index

    if current_participant

      render json: current_participant.sessions_attending

        .where(event: Event.current_event)

        .pluck(:id)

    else

      head :unauthorized

    end

  end

  def create

    @attendance = @session.attendances.find_or_initialize_by(participant: current_participant)

    if @attendance.save

      respond_to do |format|

        # Appears after the user logs in by clicking on “Yes! I might attend” while logged out

        format.html do

          flash[:notice] = "Thanks for your interest in this session."

          redirect_to @session

        end

        # Appears when user already logged in

        format.json do

          render :partial => 'sessions/participant', :formats => ['html'], :locals => { :participant => current_participant }

        end

      end

    else

      respond_to do |format|

        format.json do

          render :partial => 'sessions/new_participant', :formats => ['html'], :status => :unprocessable_entity

        end

      end

    end

  end

  def destroy

    return head :unauthorized unless current_participant

    @session.attendances.where(participant: current_participant).destroy_all

  end

  private

  def create_participant

    return if logged_in?

    return if params[:attendance].nil?

    name, email, password = params[:attendance][:name], params[:attendance][:email], params[:attendance][:password]

    participant_session = ParticipantSession.new(:email => email, :password => password)

    if participant_session.save

      @current_participant_session = participant_session

    else

      participant = Participant.new(:name => name, :email => email, :password => password)

      if participant.save

        @current_participant_session = ParticipantSession.create(participant, true)

      else

        flash[:error] = "There was a problem creating an account for you. Please try again."

        redirect_to new_participant_path

      end

    end

  end

end