volunteers_controller.rb

class VolunteersController < ApplicationController
  include NestedAttributes
  include VolunteerAttributes
  include ContactAttributes
  before_action :set_volunteer, only: [:show, :edit, :update, :destroy]

  def index
    @q = Volunteer.ransack(params[:q])
    @volunteers = @q.result
  end

  def show; end

  def new
    @volunteer = Volunteer.new
    @volunteer.schedules << Schedule.build
    @volunteer.build_contact
    authorize @volunteer
  end

  def edit; end

  def create
    @volunteer = Volunteer.new(volunteer_params)
    authorize @volunteer
    if @volunteer.save
      redirect_to @volunteer, notice: t('volunteer_created')
    else
      render :new
    end
  end

  def update
    state_was_registered = @volunteer.registered?
    return render :edit unless @volunteer.update(volunteer_params)
    return invite_volunteer_user if state_was_registered && @volunteer.accepted?
    redirect_to @volunteer, notice: t('volunteer_updated')
  end

  def destroy
    @volunteer.destroy
    redirect_to volunteers_url, notice: t('volunteer_destroyed')
  end

  private

  def invite_volunteer_user
    new_user = User.new(
      email: @volunteer.email, password: Devise.friendly_token,
      role: 'volunteer', volunteer: @volunteer
    )
    return unless new_user.save && new_user.invite!
    redirect_to volunteers_path, notice: t('invite_sent', email: new_user.email)
  end

  def set_volunteer
    @volunteer = Volunteer.find(params[:id])
    authorize @volunteer
  end

  def volunteer_params
    params.require(:volunteer).permit(
      volunteer_attributes, language_skills_attributes,
      relatives_attributes, schedules_attributes
    )
  end
end