vendor/codefog/contao-news_categories/src/FrontendModule/NewsCategoriesModule.php line 75

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  1. <?php
  3. /*
  4.  * News Categories bundle for Contao Open Source CMS.
  5.  *
  6.  * @copyright  Copyright (c) 2017, Codefog
  7.  * @author     Codefog <https://codefog.pl>
  8.  * @license    MIT
  9.  */
  11. namespace Codefog\NewsCategoriesBundle\FrontendModule;
  13. use Codefog\NewsCategoriesBundle\Model\NewsCategoryModel;
  14. use Contao\Database;
  15. use Contao\FrontendTemplate;
  16. use Contao\System;
  17. use Haste\Generator\RowClass;
  18. use Haste\Input\Input;
  20. class NewsCategoriesModule extends NewsModule
  21. {
  22.     /**
  23.      * Template.
  24.      *
  25.      * @var string
  26.      */
  27.     protected $strTemplate = 'mod_newscategories';
  29.     /**
  30.      * Generate the module.
  31.      */
  32.     protected function compile()
  33.     {
  34.         $categories = $this->getCategories();
  36.         // Return if no categories are found
  37.         if (null === $categories) {
  38.             $this->Template->categories = '';
  40.             return;
  41.         }
  43.         $param = System::getContainer()->get('codefog_news_categories.manager')->getParameterName();
  45.         // Get the active category
  46.         if (null !== ($activeCategory = NewsCategoryModel::findPublishedByIdOrAlias(Input::get($param)))) {
  47.             $this->activeCategory = $activeCategory;
  49.             // Add the canonical URL tag
  50.             if ($this->news_enableCanonicalUrls) {
  51.                 $GLOBALS['TL_HEAD'][] = \sprintf('<link rel="canonical" href="%s">', $GLOBALS['objPage']->getAbsoluteUrl());
  52.             }
  53.         }
  55.         $ids = [];
  57.         // Get the parent categories IDs
  58.         /** @var NewsCategoryModel $category */
  59.         foreach ($categories as $category) {
  60.             $ids = \array_merge($ids, Database::getInstance()->getParentRecords($category->id, $category->getTable()));
  61.         }
  63.         $this->Template->categories = $this->renderNewsCategories((int) $this->news_categoriesRoot, \array_unique($ids));
  64.     }
  66.     /**
  67.      * Recursively compile the news categories and return it as HTML string.
  68.      *
  69.      * @param int   $pid
  70.      * @param array $ids
  71.      * @param int   $level
  72.      *
  73.      * @return string
  74.      */
  75.     protected function renderNewsCategories($pid, array $ids, $level = 1)
  76.     {
  77.         if (null === ($categories = NewsCategoryModel::findPublishedByIds($ids, $pid))) {
  78.             return '';
  79.         }
  81.         // Layout template fallback
  82.         if (!$this->navigationTpl) {
  83.             $this->navigationTpl = 'nav_newscategories';
  84.         }
  86.         $template = new FrontendTemplate($this->navigationTpl);
  87.         $template->type = \get_class($this);
  88.         $template->cssID = $this->cssID;
  89.         $template->level = 'level_'.$level;
  90.         $template->showQuantity = $this->news_showQuantity;
  92.         $items = [];
  94.         // Add the "reset categories" link
  95.         if ($this->news_resetCategories && 1 === $level) {
  96.             $items[] = $this->generateItem(
  97.                 $this->getTargetPage()->getFrontendUrl(),
  98.                 $GLOBALS['TL_LANG']['MSC']['resetCategories'][0],
  99.                 $GLOBALS['TL_LANG']['MSC']['resetCategories'][1],
  100.                 'reset',
  101.                 0 === \count($this->currentNewsCategories) && null === $this->activeCategory
  102.             );
  103.         }
  105.         ++$level;
  107.         /** @var NewsCategoryModel $category */
  108.         foreach ($categories as $category) {
  109.             // Generate the category individual URL or the filter-link
  110.             if ($this->news_forceCategoryUrl && null !== ($targetPage = $this->manager->getTargetPage($category))) {
  111.                 $url = $targetPage->getFrontendUrl();
  112.             } else {
  113.                 $url = $this->manager->generateUrl($category, $this->getTargetPage());
  114.             }
  116.             $items[] = $this->generateItem(
  117.                 $url,
  118.                 $category->getTitle(),
  119.                 $category->getTitle(),
  120.                 $this->generateItemCssClass($category),
  121.                 null !== $this->activeCategory && (int) $this->activeCategory->id === (int) $category->id,
  122.                 (!$this->showLevel || $this->showLevel >= $level) ? $this->renderNewsCategories($category->id, $ids, $level) : '',
  123.                 $category
  124.             );
  125.         }
  127.         // Add first/last/even/odd classes
  128.         RowClass::withKey('class')->addFirstLast()->addEvenOdd()->applyTo($items);
  130.         $template->items = $items;
  132.         return $template->parse();
  133.     }
  134. }