notes_controller.rb

class Admin::NotesController < ApplicationController
  include ActionView::RecordIdentifier
  include PortalRendering

  before_action :load_parent

  def create
    @note = @parent.notes.create(note_params.merge(creator: current_user))

    if @note.save
      redirect_to [:admin, @parent, anchor: dom_id(@note)]
    else
      render_to_portal "form", locals: {parent: @parent, note: @note}, status: 422
    end
  end

  def update
    @note = @parent.notes.find(params[:id])

    if @note.update(note_params)
      redirect_to [:admin, @parent, anchor: dom_id(@note)]
    else
      render_to_portal "form", locals: {parent: @parent, note: @note}, status: 422
    end
  end

  def edit
    @note = @parent.notes.find(params[:id])
    render_to_portal "form", locals: {parent: @parent, note: @note}
  end

  def show
    @note = @parent.notes.find(params[:id])
    render_to_portal "show", locals: {parent: @parent, note: @note}
  end

  private

  def note_params
    params.require(:note).permit(:body)
  end

  def load_parent
    @parent = if params[:item_id]
      Item.find(params[:item_id])
    end
    raise ActiveRecord::RecordNotFound unless @parent
  end
end