fac/_public.php

<?php
# -- BEGIN LICENSE BLOCK ----------------------------------
#
# This file is part of fac, a plugin for Dotclear 2.
# 
# Copyright (c) 2009-2013 Jean-Christian Denis and contributors
# contact@jcdenis.fr http://jcd.lv
# 
# Licensed under the GPL version 2.0 license.
# A copy of this license is available in LICENSE file or at
# http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
#
# -- END LICENSE BLOCK ------------------------------------

if (!defined('DC_RC_PATH')) {

	return null;
}

$core->addBehavior(
	'publicEntryAfterContent',
	array('facPublic', 'publicEntryAfterContent')
);

/**
 * @ingroup DC_PLUGIN_FAC
 * @brief Linked feed to entries - public methods.
 * @since 2.6
 */
class facPublic
{
	/**
	 * Add feed after entry
	 * 
	 * @param  dcCore $core dcCore instance
	 * @param  context $_ctx context instance
	 */
	public static function publicEntryAfterContent(dcCore $core, context $_ctx)
	{
		$core->blog->settings->addNamespace('fac');

		# Not active or not a post
		if (!$core->blog->settings->fac->fac_active
		 || !$_ctx->exists('posts')
		) {
			return null;
		}

		# Not in page to show
		$types = @unserialize($core->blog->settings->fac->fac_public_tpltypes);
		if (!is_array($types)
		 || !in_array($core->url->type,$types)
		) {
			return null;
		}

		# Get related feed
		$fac_url = $core->meta->getMetadata(array(
			'meta_type'	=> 'fac',
			'post_id'		=> $_ctx->posts->post_id,
			'limit'		=> 1
		));
		if ($fac_url->isEmpty()) {

			return null;
		}

		# Get related format
		$fac_format = $core->meta->getMetadata(array(
			'meta_type'	=> 'facformat',
			'post_id'		=> $_ctx->posts->post_id,
			'limit'		=> 1
		));
		if ($fac_format->isEmpty()) {

			return null;
		}

		# Get format info
		$default_format = array(
			'name' => 'default',
			'dateformat' => '',
			'lineslimit' => '5',
			'linestitletext' => '%T',
			'linestitleover' => '%D',
			'linestitlelength' => '150',
			'showlinesdescription' => '0',
			'linesdescriptionlength' => '350',
			'linesdescriptionnohtml' => '1',
			'showlinescontent' => '0',
			'linescontentlength' => '350',
			'linescontentnohtml' => '1'
		);

		$formats = @unserialize($core->blog->settings->fac->fac_formats);
		if (empty($formats)
		 || !is_array($formats)
		 || !isset($formats[$fac_format->meta_id])
		) {
			$format = $default_format;
		}
		else {
			$format = array_merge(
				$default_format,
				$formats[$fac_format->meta_id]
			);
		}

		# Read feed url
		$cache = is_dir(DC_TPL_CACHE.'/fac') ? DC_TPL_CACHE.'/fac' : null;
		try {
			$feed = feedReader::quickParse($fac_url->meta_id,$cache);
		}
		catch (Exception $e) {
			$feed = null;
		}

		# No entries
		if (!$feed) {

			return null;
		}

		# Feed title
		$feedtitle = '';
		if ('' != $core->blog->settings->fac->fac_defaultfeedtitle) {
			$feedtitle = '<h3>'.html::escapeHTML(empty($feed->title) ? 
				str_replace(
					'%T',
					__('a related feed'),
					$core->blog->settings->fac->fac_defaultfeedtitle
				) : 
				str_replace(
					'%T',
					$feed->title,
					$core->blog->settings->fac->fac_defaultfeedtitle
				)
			).'</h3>';
		}

		# Feed desc
		$feeddesc = '';
		if ($core->blog->settings->fac->fac_showfeeddesc 
		 && '' != $feed->description
		) {
			$feeddesc = 
			'<p>'.context::global_filter($feed->description,1,1,0,0,0).'</p>';
		}

		# Date format
		$dateformat = '' != $format['dateformat'] ? 
			$format['dateformat'] :
			$core->blog->settings->system->date_format.','.$core->blog->settings->system->time_format;

		# Enrties limit
		$entrieslimit = abs((integer) $format['lineslimit']);
		$uselimit = $entrieslimit > 0 ? true : false;

		echo 
		'<div class="post-fac">'.
		$feedtitle.$feeddesc.
		'<dl>';

		$i = 0;
		foreach ($feed->items as $item) {

			# Format date
			$date = dt::dt2str($dateformat, $item->pubdate);

			# Entries title
			$title = context::global_filter(
				str_replace(
					array(
						'%D',
						'%T',
						'%A',
						'%E',
						'%C'
					),
					array(
						$date,
						$item->title,
						$item->creator,
						$item->description,
						$item->content
					),
					$format['linestitletext']
				),
				0,
				1,
				abs((integer) $format['linestitlelength']),
				0,
				0
			);

			# Entries over title
			$overtitle = context::global_filter(
				str_replace(
					array(
						'%D',
						'%T',
						'%A',
						'%E',
						'%C'
					),
					array(
						$date,
						$item->title,
						$item->creator,
						$item->description,
						$item->content
					),
					$format['linestitleover']
				),
				0,
				1,
				350,
				0,
				0
			);

			# Entries description
			$description = '';
			if ($format['showlinesdescription'] 
			 && '' != $item->description
			) {
				$description = '<dd>'.
				context::global_filter(
					$item->description,
					0,
					(integer) $format['linesdescriptionnohtml'],
					abs((integer) $format['linesdescriptionlength']),
					0,0
				).'</dd>';
			}

			# Entries content
			$content = '';
			if ($format['showlinescontent'] 
			 && '' != $item->content
			) {
				$content = '<dd>'.
				context::global_filter(
					$item->content,
					0,
					(integer) $format['linescontentnohtml'],
					abs((integer) $format['linescontentlength']),
					0,
					0
				).'</dd>';
			}
			
			echo
			'<dt><a href="'.$item->link.'" '.
			'title="'.$overtitle.'">'.$title.'</a></dt>'.
			$description.$content;
			
			$i++;
			if ($uselimit && $i == $entrieslimit) {
				break;
			}
		}
		echo '</dl></div>';
	}
}