ElkArte\Controller\News::action_showfeed()

Complexity

Conditions	47
Paths	> 20000

Size

Total Lines	224
Code Lines	107

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	0
CRAP Score	2256

Importance

Changes

0

<?php
	public function action_showfeed()
	{
		global $board, $board_info, $context, $txt, $modSettings, $db_show_debug;

		// If it's not enabled, die.
		if (empty($modSettings['xmlnews_enable']))
		{
			obExit(false);
		}

		// This is just here to make it easier for the developers :P
		$db_show_debug = false;

		require_once(SUBSDIR . '/News.subs.php');

		Txt::load('Stats');
		$txt['xml_rss_desc'] = replaceBasicActionUrl($txt['xml_rss_desc']);

		// Default to latest 5.  No more than what is defined in the ACP or 255
		$limit = empty($modSettings['xmlnews_limit']) ? 5 : min($modSettings['xmlnews_limit'], 255);
		$this->_limit = min($this->_req->getQuery('limit', 'intval', $limit), $limit);

		// Handle the cases where a board, boards, or category is asked for.
		$this->_query_this_board = '1=1';
		$context['optimize_msg'] = array(
			'highest' => 'm.id_msg <= b.id_last_msg',
		);

		// Specifying specific categories only?
		if (!empty($this->_req->query->c) && empty($board))
		{
			$categories = array_map('intval', explode(',', $this->_req->query->c));

			if (count($categories) === 1)
			{
				require_once(SUBSDIR . '/Categories.subs.php');
				$feed_title = categoryName($categories[0]);
				$feed_title = ' - ' . strip_tags($feed_title);
			}

			require_once(SUBSDIR . '/Boards.subs.php');
			$boards_posts = boardsPosts(array(), $categories);
			$total_cat_posts = array_sum($boards_posts);
			$boards = array_keys($boards_posts);

			if (!empty($boards))
			{
				$this->_query_this_board = 'b.id_board IN (' . implode(', ', $boards) . ')';
			}

			// Try to limit the number of messages we look through.
			if ($total_cat_posts > 100 && $total_cat_posts > $modSettings['totalMessages'] / 15)
			{
				$context['optimize_msg']['lowest'] = 'm.id_msg >= ' . max(0, $modSettings['maxMsgID'] - 400 - $this->_limit * 5);
			}
		}
		// Maybe they only want to see feeds form some certain boards?
		elseif (!empty($this->_req->query->boards))
		{
			require_once(SUBSDIR . '/Boards.subs.php');
			$query_boards = array_map('intval', explode(',', $this->_req->query->boards));

			$boards_data = fetchBoardsInfo(array('boards' => $query_boards), array('selects' => 'detailed'));

			// Either the board specified doesn't exist or you have no access.
			$num_boards = count($boards_data);
			if ($num_boards === 0)
			{
				throw new Exception('no_board');
			}

			$total_posts = 0;
			$boards = array_keys($boards_data);
			foreach ($boards_data as $row)
			{
				if ($num_boards === 1)
				{
					$feed_title = ' - ' . strip_tags($row['name']);
				}

				$total_posts += $row['num_posts'];
			}

			$this->_query_this_board = 'b.id_board IN (' . implode(', ', $boards) . ')';

			// The more boards, the more we're going to look through...
			if ($total_posts > 100 && $total_posts > $modSettings['totalMessages'] / 12)
			{
				$context['optimize_msg']['lowest'] = 'm.id_msg >= ' . max(0, $modSettings['maxMsgID'] - 500 - $this->_limit * 5);
			}
		}
		// Just a single board
		elseif (!empty($board))
		{
			require_once(SUBSDIR . '/Boards.subs.php');
			$boards_data = fetchBoardsInfo(array('boards' => $board), array('selects' => 'posts'));

			$feed_title = ' - ' . strip_tags($board_info['name']);

			$this->_query_this_board = 'b.id_board = ' . $board;

			// Try to look through just a few messages, if at all possible.
			if ($boards_data[(int) $board]['num_posts'] > 80 && $boards_data[(int) $board]['num_posts'] > $modSettings['totalMessages'] / 10)
			{
				$context['optimize_msg']['lowest'] = 'm.id_msg >= ' . max(0, $modSettings['maxMsgID'] - 600 - $this->_limit * 5);
			}
		}
		else
		{
			$this->_query_this_board = '{query_see_board}' . (!empty($modSettings['recycle_enable']) && $modSettings['recycle_board'] > 0 ? '
				AND b.id_board != ' . $modSettings['recycle_board'] : '');
			$context['optimize_msg']['lowest'] = 'm.id_msg >= ' . max(0, $modSettings['maxMsgID'] - 100 - $this->_limit * 5);
		}

		// If format isn't set, or is wrong, rss2 is default
		$xml_format = $this->_req->getQuery('type', 'trim', 'rss2');
		if (!in_array($xml_format, array('rss', 'rss2', 'atom', 'rdf')))
		{
			$xml_format = 'rss2';
		}

		// List all the different types of data they can pull.
		$subActions = array(
			'recent' => array('action_xmlrecent'),
			'news' => array('action_xmlnews'),
			'members' => array('action_xmlmembers'),
			'profile' => array('action_xmlprofile'),
		);

		// Easy adding of sub actions
		call_integration_hook('integrate_xmlfeeds', array(&$subActions));

		$subAction = $this->_req->getQuery('sa', 'strtolower', 'recent');
		$subAction = isset($subActions[$subAction]) ? $subAction : 'recent';

		// We only want some information, not all of it.
		$cachekey = array($xml_format, $this->_req->query->action, $this->_limit, $subAction);
		foreach (array('board', 'boards', 'c') as $var)
		{
			if (isset($this->_req->query->{$var}))
			{
				$cachekey[] = $this->_req->query->{$var};
			}
		}

		$cachekey = md5(serialize($cachekey) . (empty($this->_query_this_board) ? '' : $this->_query_this_board));
		$cache_t = microtime(true);
		$cache = Cache::instance();

		// Get the associative array representing the xml.
		if ($this->user->is_guest === false || $cache->levelHigherThan(2))

The property is_guest does not exist on ElkArte\Helper\ValuesContainer. Since you implemented __get, consider adding a @property annotation.

		{
			$xml = $cache->get('xmlfeed-' . $xml_format . ':' . ($this->user->is_guest ? '' : $this->user->id . '-') . $cachekey, 240);

The property id does not exist on ElkArte\Helper\ValuesContainer. Since you implemented __get, consider adding a @property annotation.

		}

		if (empty($xml))
		{
			$xml = $this->{$subActions[$subAction][0]}($xml_format);

			if ($cache->isEnabled() && (($this->user->is_guest && $cache->levelHigherThan(2)) || ($this->user->is_guest === false && (microtime(true) - $cache_t > 0.2))))
			{
				$cache->put('xmlfeed-' . $xml_format . ':' . ($this->user->is_guest ? '' : $this->user->id . '-') . $cachekey, $xml, 240);
			}
		}

		$context['feed_title'] = encode_special(strip_tags(un_htmlspecialchars($context['forum_name']) . ($feed_title ?? '')));

		// We send a feed with recent posts, and alerts for PMs for logged-in users
		$context['recent_posts_data'] = $xml;
		$context['xml_format'] = $xml_format;

		obStart(!empty($modSettings['enableCompressedOutput']));

		// This is an xml file....
		$headers = Headers::instance();
		if (isset($this->_req->query->debug))
		{
			$headers->contentType('text/xml', 'UTF-8');
		}
		elseif ($xml_format === 'rss' || $xml_format === 'rss2')
		{
			$headers->contentType('application/rss+xml', 'UTF-8');
		}
		elseif ($xml_format === 'atom')
		{
			$headers->contentType('application/atom+xml', 'UTF-8');
		}
		elseif ($xml_format === 'rdf')
		{
			$headers->contentType('application/rdf+xml', 'UTF-8');
		}

		// Set our own 30min cache control so auto-readers know how often to check in
		$context['no_last_modified'] = true;
		$headers
			->header('Cache-Control', 'max-age=' . (3600 * .5) . ', private')
			->header('Last-Modified', gmdate('D, d M Y H:i:s') . ' GMT');

		theme()->getTemplates()->load('Xml');
		theme()->getLayers()->removeAll();

		// Are we outputting a rss feed or one with more information?
		if ($xml_format === 'rss' || $xml_format === 'rss2')
		{
			$context['sub_template'] = 'feedrss';
		}
		elseif ($xml_format === 'atom')
		{
			$url_parts = array();
			foreach (array('board', 'boards', 'c') as $var)
			{
				if (isset($this->_req->query->{$var}))
				{
					$url_parts[] = $var . '=' . (is_array($this->_req->query->{$var}) ? implode(',', $this->_req->query->{$var}) : $this->_req->query->{$var});
				}
			}

			$context['url_parts'] = empty($url_parts) ? '' : implode(';', $url_parts);
			$context['sub_template'] = 'feedatom';
		}
		// rdf by default
		else
		{
			$context['sub_template'] = 'rdf';
		}