actiongettemplate.php

<?php
namespace Bitrix\Sender\Internals\CommonAjax;
 
use Bitrix\Main\Localization\Loc;
use Bitrix\Main\Loader;
use Bitrix\Main\HttpRequest;
 
use Bitrix\Sender\Templates;
use Bitrix\Sender\Internals\QueryController as Controller;
use Bitrix\Fileman\Block\Editor;
 
Loc::loadMessages(__FILE__);
 
class ActionGetTemplate extends CommonAction
{
    const NAME = 'getTemplate';
 
    public static function get()
    {
        return parent::get()->setRequestMethodGet();
    }
 
    public static function onRequest(HttpRequest $request, Controller\Response $response)
    {
        $content = $response->initContentHtml();
 
        $type = $request->get('template_type');
        $id = $request->get('template_id');
        $charset = $request->get('template_charset') ?? SITE_CHARSET;
 
        Loader::includeModule('fileman');
        $template = Templates\Selector::create()
            ->withTypeId($type)
            ->withId($id)
            ->get();
        if (!$template)
        {
            return;
        }
 
        $html = Editor::getHtmlForEditor($template['FIELDS']['MESSAGE']['VALUE'], $charset);
        $content->set($html);
    }
}