foodsoft/plugins/messages/app/controllers/messages_controller.rb

class MessagesController < ApplicationController
  before_action -> { require_plugin_enabled FoodsoftMessages }

  # Renders the "inbox" action.
  def index
    @messages = Message.readable_for(current_user).page(params[:page]).per(@per_page).order('created_at DESC').includes(:sender)
  end

  # Creates a new message object.
  def new
    @message = Message.new(params[:message])

    return unless @message.reply_to

    original_message = Message.find(@message.reply_to)
    @message.reply_to = original_message.reply_to if original_message.reply_to
    if original_message.is_readable_for?(current_user)
      @message.add_recipients [original_message.sender_id]
      @message.group_id = original_message.group_id
      @message.private = original_message.private
      @message.subject = I18n.t('messages.model.reply_subject', subject: original_message.subject)
      @message.body = I18n.t('messages.model.reply_header', user: original_message.sender.display,
                                                            when: I18n.l(original_message.created_at, format: :short)) + "\n"
      @message.body = I18n.t('messages.model.reply_header', user: original_message.sender.display, when: I18n.l(original_message.created_at, format: :short)) + "\n" \
      + "<blockquote>" + original_message.body.to_trix_html + "</blockquote>"
    else
      redirect_to new_message_url, alert: I18n.t('messages.new.error_private')
    end
  end

  # Creates a new message.
  def create
    @message = @current_user.send_messages.new(params[:message])
    if @message.save
      DeliverMessageJob.perform_later(@message)
      redirect_to messages_url, notice: I18n.t('messages.create.notice')
    else
      render action: 'new'
    end
  end

  # Shows a single message.
  def show
    @message = Message.find(params[:id])
    return if @message.is_readable_for?(current_user)

    redirect_to messages_url, alert: I18n.t('messages.new.error_private')
  end

  def toggle_private
    message = Message.find(params[:id])
    if message.can_toggle_private?(current_user)
      message.update_attribute :private, !message.private
      redirect_to message
    else
      redirect_to message, alert: I18n.t('messages.toggle_private.not_allowed')
    end
  end

  def thread
    @messages = Message.thread(params[:id]).order(:created_at)
  end
end