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/home/develito/httpdocs/modules/mod_vina_accordion_content/helper.php

<?php
/*
# ------------------------------------------------------------------------
# Vina Articles Accordion for Joomla 3
# ------------------------------------------------------------------------
# Copyright(C) 2014 www.VinaGecko.com. All Rights Reserved.
# @license http://www.gnu.org/licenseses/gpl-3.0.html GNU/GPL
# Author: VinaGecko.com
# Websites: http://vinagecko.com
# Forum: http://vinagecko.com/forum/
# ------------------------------------------------------------------------
*/

// no direct access
defined('_JEXEC') or die('Restricted access');

$com_path = JPATH_SITE.'/components/com_content/';
require_once $com_path.'router.php';
require_once $com_path.'helpers/route.php';

JModelLegacy::addIncludePath($com_path . '/models', 'ContentModel');

class ModVinaArticlesAccordionHelper
{
	public static function getList(&$params)
	{
		// Get an instance of the generic articles model
		$articles = JModelLegacy::getInstance('Articles', 'ContentModel', array('ignore_request' => true));
		
		// Set application parameters in model
		$app = JFactory::getApplication();
		$appParams = $app->getParams();
		$articles->setState('params', $appParams);
		
		// Set the filters based on the module params
		$articles->setState('list.start', 0);
		$articles->setState('list.limit', (int) $params->get('count', 0));
		$articles->setState('filter.published', 1);
		
		// Access filter
		$access = !JComponentHelper::getParams('com_content')->get('show_noauth');
		$authorised = JAccess::getAuthorisedViewLevels(JFactory::getUser()->get('id'));
		$articles->setState('filter.access', $access);
		
		$catids = $params->get('catid');
		$articles->setState('filter.category_id.include', (bool) $params->get('category_filtering_type', 1));
		
		// Category filter
		if($catids)
		{
			if($params->get('show_child_category_articles', 0) && (int) $params->get('levels', 0) > 0)
			{
				// Get an instance of the generic categories model
				$categories = JModelLegacy::getInstance('Categories', 'ContentModel', array('ignore_request' => true));
				$categories->setState('params', $appParams);
				$levels = $params->get('levels', 1) ? $params->get('levels', 1) : 9999;
				$categories->setState('filter.get_children', $levels);
				$categories->setState('filter.published', 1);
				$categories->setState('filter.access', $access);
				$additional_catids = array();
				
				foreach ($catids as $catid)
				{
					$categories->setState('filter.parentId', $catid);
					$recursive = true;
					$items = $categories->getItems($recursive);
					
					if($items)
					{
						foreach($items as $category)
						{
							$condition = (($category->level - $categories->getParent()->level) <= $levels);
							if($condition)
							{
								$additional_catids[] = $category->id;
							}
						}
					}
				}
				$catids = array_unique(array_merge($catids, $additional_catids));
			}
			$articles->setState('filter.category_id', $catids);
		}
		
		// Ordering
		$articles->setState('list.ordering', $params->get('article_ordering', 'a.ordering'));
		$articles->setState('list.direction', $params->get('article_ordering_direction', 'ASC'));
		
		// New Parameters
		$articles->setState('filter.featured', $params->get('show_front', 'show'));
		$articles->setState('filter.author_id', $params->get('created_by', ""));
		$articles->setState('filter.author_id.include', $params->get('author_filtering_type', 1));
		$articles->setState('filter.author_alias', $params->get('created_by_alias', ""));
		$articles->setState('filter.author_alias.include', $params->get('author_alias_filtering_type', 1));
		$excluded_articles = $params->get('excluded_articles', '');
		
		if($excluded_articles)
		{
			$excluded_articles = explode("\r\n", $excluded_articles);
			$articles->setState('filter.article_id', $excluded_articles);
			$articles->setState('filter.article_id.include', false); // Exclude
		}
		
		$date_filtering = $params->get('date_filtering', 'off');
		if($date_filtering !== 'off')
		{
			$articles->setState('filter.date_filtering', $date_filtering);
			$articles->setState('filter.date_field', $params->get('date_field', 'a.created'));
			$articles->setState('filter.start_date_range', $params->get('start_date_range', '1000-01-01 00:00:00'));
			$articles->setState('filter.end_date_range', $params->get('end_date_range', '9999-12-31 23:59:59'));
			$articles->setState('filter.relative_date', $params->get('relative_date', 30));
		}
		
		// Filter by language
		$articles->setState('filter.language', $app->getLanguageFilter());
		
		$items = $articles->getItems();
		
		// Display options
		$show_date 			= $params->get('show_date', 0);
		$show_date_field 	= $params->get('show_date_field', 'created');
		$show_date_format 	= $params->get('show_date_format', 'Y-m-d');
		$show_category 		= $params->get('show_category', 0);
		$show_hits 			= $params->get('show_hits', 0);
		$show_author 		= $params->get('show_author', 0);
		$showFullText		= $params->get('showFullText', 0);
		$show_introtext 	= $params->get('show_introtext', 1);
		$introtext_limit 	= $params->get('introtext_limit', 100);
		
		// Find current Article ID if on an article page
		$option = $app->input->get('option');
		$view 	= $app->input->get('view');
		
		if($option === 'com_content' && $view === 'article')
		{
			$active_article_id = $app->input->getInt('id');
		}
		else
		{
			$active_article_id = 0;
		}
		
		// Prepare data for display using display options
		foreach($items as &$item)
		{
			$item->slug = $item->id.':'.$item->alias;
			$item->catslug = $item->catid ? $item->catid .':'.$item->category_alias : $item->catid;
			
			if($access || in_array($item->access, $authorised))
			{
				// We know that user has the privilege to view the article
				$item->link = JRoute::_(ContentHelperRoute::getArticleRoute($item->slug, $item->catslug));
			}
			else
			{
				$app  = JFactory::getApplication();
				$menu = $app->getMenu();
				$menuitems = $menu->getItems('link', 'index.php?option=com_users&view=login');
				
				if(isset($menuitems[0]))
				{
					$Itemid = $menuitems[0]->id;
				}
				elseif($app->input->getInt('Itemid') > 0)
				{
					// Use Itemid from requesting page only if there is no existing menu
					$Itemid = $app->input->getInt('Itemid');
				}
				$item->link = JRoute::_('index.php?option=com_users&view=login&Itemid='.$Itemid);
			}
			
			// Used for styling the active article
			$item->active = $item->id == $active_article_id ? 'active' : '';
			
			$item->displayDate = '';
			if ($show_date)
			{
				$item->displayDate = JHTML::_('date', $item->$show_date_field, $show_date_format);
			}
			
			if ($item->catid)
			{
				$item->displayCategoryLink = JRoute::_(ContentHelperRoute::getCategoryRoute($item->catid));
				$item->displayCategoryTitle = $show_category ? '<a href="'.$item->displayCategoryLink.'">'.$item->category_title.'</a>' : '';
			}
			else
			{
				$item->displayCategoryTitle = $show_category ? $item->category_title : '';
			}
			
			$item->displayHits = $show_hits ? $item->hits : '';
			$item->displayAuthorName = $show_author ? $item->author : '';
			
			$fulText = $item->introtext . $item->fulltext;
			
			if ($show_introtext)
			{
				$item->introtext = JHtml::_('content.prepare', $item->introtext, '', 'mod_articles_category.content');
				$item->introtext = self::_cleanIntrotext($item->introtext);
			}
			$item->displayIntrotext = $show_introtext ? self::truncate($item->introtext, $introtext_limit) : '';
			$item->displayIntrotext = ($showFullText) ? $fulText : $item->displayIntrotext;
			$item->displayReadmore = $item->alternative_readmore;
		}
		
		return $items;
	}
	
	public static function _cleanIntrotext($introtext)
	{
		$introtext = str_replace('<p>', ' ', $introtext);
		$introtext = str_replace('</p>', ' ', $introtext);
		$introtext = strip_tags($introtext, '<a><em><strong>');

$introtext = trim($introtext);

return $introtext;
	}
	
	/**
	* Method to truncate introtext
	*
	* The goal is to get the proper length plain text string with as much of
	* the html intact as possible with all tags properly closed.
	*
	* @param string   $html       The content of the introtext to be truncated
	* @param integer  $maxLength  The maximum number of charactes to render
	*
	* @return  string  The truncated string
	*/
	
	public static function truncate($html, $maxLength = 0)
	{
		$baseLength = strlen($html);
		
		// First get the plain text string. This is the rendered text we want to end up with.
		$ptString = JHtml::_('string.truncate', $html, $maxLength, $noSplit = true, $allowHtml = false);
		
		for($maxLength; $maxLength < $baseLength;)
		{
			// Now get the string if we allow html.
			$htmlString = JHtml::_('string.truncate', $html, $maxLength, $noSplit = true, $allowHtml = true);
			
			// Now get the plain text from the html string.
			$htmlStringToPtString = JHtml::_('string.truncate', $htmlString, $maxLength, $noSplit = true, $allowHtml = false);
			
			// If the new plain text string matches the original plain text string we are done.
			if($ptString == $htmlStringToPtString)
			{
				return $htmlString;
			}
			
			// Get the number of html tag characters in the first $maxlength characters
			$diffLength = strlen($ptString) - strlen($htmlStringToPtString);
			
			// Set new $maxlength that adjusts for the html tags
			$maxLength += $diffLength;
			if($baseLength <= $maxLength || $diffLength <= 0)
			{
				return $htmlString;
			}
		}
		
		return $html;
	}
	
	public static function resizeImage($type, $file, $prefix, $width, $height, $module)
	{
		jimport('joomla.filesystem.folder');
		jimport('joomla.filesystem.file');
		
		// Set noimage if the image isn't exists
		if(!JFile::exists($file)) {
			$file = "modules/". $module->module ."/assets/images/noimage.jpg";
		}
		
		// Check if new image is exists
		$newFile = "cache/". $module->module ."/". $module->id ."/". date("Y") ."/". $prefix . basename($file);
		if(JFile::exists($newFile)) {
			return JURI::base() . $newFile;
		}
		else {
			JFolder::create(dirname($newFile));
		}
		
		// Instantiate our JImage object
		$image 			= new JImage($file);
		$properties 	= JImage::getImageFileProperties($file);
		$resizedImage 	= $image->resize($width, $height, true, $type);
		$mime 			= $properties->mime;
		
		if($mime == 'image/jpeg') {
			$type = IMAGETYPE_JPEG;
		}
		elseif($mime = 'image/png') {
			$type = IMAGETYPE_PNG;
		}
		elseif($mime = 'image/gif') {
			$type = IMAGETYPE_GIF;
		}
		
		// Store the resized image to a new file
		$resizedImage->toFile($newFile, $type);
		
		return JURI::base() . $newFile;
	}
	
	public static function getCopyrightText($module)
	{
		echo '<div id="vina-copyright'.$module->id.'">© Free <a href="http://vinagecko.com/joomla-modules" title="Free Joomla! 3 Modules">Joomla! 3 Modules</a>- by <a href="http://vinagecko.com/" title="Beautiful Joomla! 3 Templates and Powerful Joomla! 3 Modules, Plugins.">VinaGecko.com</a></div>';
	}
}