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- SocialImageHelper: generates 1200x630 OG images with title overlay - SocialImageController: AJAX endpoint to generate from article data - Config fields: bg color, text color, overlay style, site name override - Supports background image scaling, dark/light overlay, TTF fonts Closes #157 Authored-by: Moko Consulting
99 lines
3.3 KiB
PHP
99 lines
3.3 KiB
PHP
<?php
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/**
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* @package MokoSuiteCross
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* @subpackage com_mokosuitecross
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* @author Moko Consulting <hello@mokoconsulting.tech>
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* @copyright Copyright (C) 2026 Moko Consulting. All rights reserved.
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* @license GNU General Public License version 3 or later; see LICENSE
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* SPDX-License-Identifier: GPL-3.0-or-later
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*/
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namespace Joomla\Component\MokoSuiteCross\Administrator\Controller;
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defined('_JEXEC') or die;
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use Joomla\CMS\Component\ComponentHelper;
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use Joomla\CMS\Factory;
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use Joomla\CMS\MVC\Controller\BaseController;
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use Joomla\CMS\Session\Session;
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use Joomla\CMS\Uri\Uri;
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use Joomla\Component\MokoSuiteCross\Administrator\Helper\SocialImageHelper;
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class SocialImageController extends BaseController
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{
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public function generate(): void
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{
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if (!Session::checkToken('get')) {
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echo json_encode(['success' => false, 'error' => 'Invalid token']);
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$this->app->close();
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return;
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}
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$user = $this->app->getIdentity();
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if (!$user->authorise('core.manage', 'com_mokosuitecross')) {
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echo json_encode(['success' => false, 'error' => 'Permission denied']);
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$this->app->close();
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return;
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}
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$articleId = $this->input->getInt('article_id', 0);
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if ($articleId < 1) {
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echo json_encode(['success' => false, 'error' => 'Missing article ID']);
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$this->app->close();
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return;
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}
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$db = Factory::getDbo();
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$query = $db->getQuery(true)
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->select($db->quoteName(['id', 'title', 'images']))
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->from($db->quoteName('#__content'))
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->where($db->quoteName('id') . ' = ' . $articleId);
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$db->setQuery($query);
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$article = $db->loadObject();
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if (!$article) {
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echo json_encode(['success' => false, 'error' => 'Article not found']);
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$this->app->close();
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return;
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}
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$params = ComponentHelper::getParams('com_mokosuitecross');
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$siteName = $params->get('social_image_site_name', '') ?: Factory::getApplication()->get('sitename', '');
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$options = [
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'bg_color' => $params->get('social_image_bg_color', '#1a1a2e'),
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'text_color' => $params->get('social_image_text_color', '#ffffff'),
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'overlay' => $params->get('social_image_overlay', 'dark'),
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];
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$backgroundPath = null;
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$images = json_decode($article->images ?? '{}', true);
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if (!empty($images['image_intro'])) {
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$backgroundPath = JPATH_ROOT . '/' . ltrim($images['image_intro'], '/');
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} elseif (!empty($images['image_fulltext'])) {
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$backgroundPath = JPATH_ROOT . '/' . ltrim($images['image_fulltext'], '/');
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}
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try {
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$imagePath = SocialImageHelper::generate($article->title, $siteName, $backgroundPath, $options);
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$imageUrl = str_replace(JPATH_ROOT, Uri::root(true), str_replace('\\', '/', $imagePath));
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$result = ['success' => true, 'image_url' => $imageUrl, 'image_path' => $imagePath];
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} catch (\Throwable $e) {
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$result = ['success' => false, 'error' => $e->getMessage()];
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}
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$this->app->setHeader('Content-Type', 'application/json; charset=utf-8');
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echo json_encode($result);
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$this->app->close();
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}
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}
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