ece517-p3/expertiza

class SystemSettingsController < ApplicationController
  def action_allowed?
    current_role_name.eql?("Super-Administrator")
  end

  def index
    list
    render action: 'list'
  end

  # GETs should be safe (see http://www.w3.org/2001/tag/doc/whenToUseGet.html)
  verify method: :post, only: %i[destroy create update],
         redirect_to: {action: :list}

  def list
    @system_settings = SystemSettings.first
    redirect_to action: :show, id: @system_settings
  end

  def show
    foreign
    @system_settings = SystemSettings.first
  end

  def new
    @system_settings = SystemSettings.first
    if !@system_settings.nil?
      redirect_to action: :edit, id: @system_settings.id
    else
      foreign
      @system_settings = SystemSettings.new
    end
  end

  def create
    @system_settings = SystemSettings.new(params[:system_settings])
    if @system_settings.save
      flash[:notice] = 'The system settings have been successfully created.'
      redirect_to action: 'list'
    else
      render action: 'new'
    end
  end

  def edit
    foreign
    @system_settings = SystemSettings.find(params[:id])
  end

  def update
    @system_settings = SystemSettings.find(params[:id])
    if @system_settings.update_attributes(params[:system_settings])
      flash[:notice] = 'The system settings have been successfully updated.'
      redirect_to action: 'show', id: @system_settings
    else
      render action: 'edit'
    end
  end

  def destroy
    SystemSettings.find(params[:id]).destroy
    redirect_to action: 'list'
  end

  protected

  def foreign
    @roles = Role.order('name')
    @pages = ContentPage.order('name')
    @markup_styles = MarkupStyle.order('name')
    @markup_styles.unshift MarkupStyle.new(id: nil, name: '(none)')
  end
end