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<?php
/**
 * @package     mod_jb_k2slider
 * @author      joomlabuff.com
 * @email       support@joomlabuff.com
 * @copyright Copyright (C) 2014 - 2019 JoomlaBuff http://joomlabuff.com. All rights reserved.
 * @license GNU General Public License version 2 or later; see LICENSE.txt
 * @websites http://joomlabuff.com
 * @support Forum - http://joomlabuff.com/forum/index.html
 */
//restrict direct acesss
defined('_JEXEC') or die;
require_once (JPATH_SITE.DS.'components'.DS.'com_k2'.DS.'helpers'.DS.'route.php');
require_once (JPATH_SITE.DS.'components'.DS.'com_k2'.DS.'helpers'.DS.'utilities.php');

/**
 * Helper for mod_articles_latest
 *
 * @package     Joomla.Site
 * @subpackage  mod_articles_latest
 */
if(!class_exists("modJBK2SliderHelper")){
class modJBK2SliderHelper
{

public static function getItems(&$params, $format = 'html')
	{

jimport('joomla.filesystem.file');
		$mainframe = JFactory::getApplication();
		$limit = $params->get('itemCount', 5);
		$cid = $params->get('category_id', NULL);
		
		$ordering = $params->get('itemsOrdering', '');
		$componentParams = JComponentHelper::getParams('com_k2');
		$limitstart = JRequest::getInt('limitstart');

$user = JFactory::getUser();
		$aid = $user->get('aid');
		$db = JFactory::getDBO();

$jnow = JFactory::getDate();
		$now =  K2_JVERSION == '15'?$jnow->toMySQL():$jnow->toSql();
		$nullDate = $db->getNullDate();

if ($params->get('source') == 'specific')
		{

$value = $params->get('items');
			$current = array();
			if (is_string($value) && !empty($value))
				$current[] = $value;
			if (is_array($value))
				$current = $value;

$items = array();

foreach ($current as $id)
			{

$query = "SELECT i.*, c.name AS categoryname,c.id AS categoryid, c.alias AS categoryalias, c.params AS categoryparams 
				FROM #__k2_items as i 
				LEFT JOIN #__k2_categories c ON c.id = i.catid 
				WHERE i.published = 1 ";
				if (K2_JVERSION != '15')
				{
					$query .= " AND i.access IN(".implode(',', $user->getAuthorisedViewLevels()).") ";
				}
				else
				{
					$query .= " AND i.access<={$aid} ";
				}
				$query .= " AND i.trash = 0 AND c.published = 1 ";
				if (K2_JVERSION != '15')
				{
					$query .= " AND c.access IN(".implode(',', $user->getAuthorisedViewLevels()).") ";
				}
				else
				{
					$query .= " AND c.access<={$aid} ";
				}
				$query .= " AND c.trash = 0 
				AND ( i.publish_up = ".$db->Quote($nullDate)." OR i.publish_up <= ".$db->Quote($now)." ) 
				AND ( i.publish_down = ".$db->Quote($nullDate)." OR i.publish_down >= ".$db->Quote($now)." ) 
				AND i.id={$id}";
				if (K2_JVERSION != '15')
				{
					if ($mainframe->getLanguageFilter())
					{
						$languageTag = JFactory::getLanguage()->getTag();
						$query .= " AND c.language IN (".$db->Quote($languageTag).", ".$db->Quote('*').") AND i.language IN (".$db->Quote($languageTag).", ".$db->Quote('*').")";
					}
				}
				$db->setQuery($query);
				$item = $db->loadObject();
				if ($item)
					$items[] = $item;

}
		}

else
		{
			$query = "SELECT i.*,";

if ($ordering == 'modified')
			{
				$query .= " CASE WHEN i.modified = 0 THEN i.created ELSE i.modified END as lastChanged,";
			}
			
			$query .= "c.name AS categoryname,c.id AS categoryid, c.alias AS categoryalias, c.params AS categoryparams";
			
			if ($ordering == 'best')
				$query .= ", (r.rating_sum/r.rating_count) AS rating";

if ($ordering == 'comments')
				$query .= ", COUNT(comments.id) AS numOfComments";

$query .= " FROM #__k2_items as i RIGHT JOIN #__k2_categories c ON c.id = i.catid";

if ($ordering == 'best')
				$query .= " LEFT JOIN #__k2_rating r ON r.itemID = i.id";

if ($ordering == 'comments')
				$query .= " LEFT JOIN #__k2_comments comments ON comments.itemID = i.id";

if (K2_JVERSION != '15')
			{
				$query .= " WHERE i.published = 1 AND i.access IN(".implode(',', $user->getAuthorisedViewLevels()).") AND i.trash = 0 AND c.published = 1 AND c.access IN(".implode(',', $user->getAuthorisedViewLevels()).")  AND c.trash = 0";
			}
			else
			{
				$query .= " WHERE i.published = 1 AND i.access <= {$aid} AND i.trash = 0 AND c.published = 1 AND c.access <= {$aid} AND c.trash = 0";
			}

$query .= " AND ( i.publish_up = ".$db->Quote($nullDate)." OR i.publish_up <= ".$db->Quote($now)." )";
			$query .= " AND ( i.publish_down = ".$db->Quote($nullDate)." OR i.publish_down >= ".$db->Quote($now)." )";

if ($params->get('catfilter'))
			{
				if (!is_null($cid))
				{
					if (is_array($cid))
					{
						if ($params->get('getChildren'))
						{
							$itemListModel = K2Model::getInstance('Itemlist', 'K2Model');
							$categories = $itemListModel->getCategoryTree($cid);
							$sql = @implode(',', $categories);
							$query .= " AND i.catid IN ({$sql})";

}
						else
						{
							JArrayHelper::toInteger($cid);
							$query .= " AND i.catid IN(".implode(',', $cid).")";
						}

}
					else
					{
						if ($params->get('getChildren'))
						{
							$itemListModel = K2Model::getInstance('Itemlist', 'K2Model');
							$categories = $itemListModel->getCategoryTree($cid);
							$sql = @implode(',', $categories);
							$query .= " AND i.catid IN ({$sql})";
						}
						else
						{
							$query .= " AND i.catid=".(int)$cid;
						}

}
				}
			}

if ($params->get('FeaturedItems') == '0')
				$query .= " AND i.featured != 1";

if ($params->get('FeaturedItems') == '2')
				$query .= " AND i.featured = 1";

//	if ($params->get('videosOnly'))
	//		$query .= " AND (i.video IS NOT NULL AND i.video!='')";

if ($ordering == 'comments')
				$query .= " AND comments.published = 1";

if (K2_JVERSION != '15')
			{
				if ($mainframe->getLanguageFilter())
				{
					$languageTag = JFactory::getLanguage()->getTag();
					$query .= " AND c.language IN (".$db->Quote($languageTag).", ".$db->Quote('*').") AND i.language IN (".$db->Quote($languageTag).", ".$db->Quote('*').")";
				}
			}

switch ($ordering)
			{

case 'date' :
					$orderby = 'i.created ASC';
					break;

case 'rdate' :
					$orderby = 'i.created DESC';
					break;

case 'alpha' :
					$orderby = 'i.title';
					break;

case 'ralpha' :
					$orderby = 'i.title DESC';
					break;

case 'order' :
					if ($params->get('FeaturedItems') == '2')
						$orderby = 'i.featured_ordering';
					else
						$orderby = 'i.ordering';
					break;

case 'rorder' :
					if ($params->get('FeaturedItems') == '2')
						$orderby = 'i.featured_ordering DESC';
					else
						$orderby = 'i.ordering DESC';
					break;

case 'hits' :
					if ($params->get('popularityRange'))
					{
						$datenow = JFactory::getDate();
						$date =  K2_JVERSION == '15'?$datenow->toMySQL():$datenow->toSql();
						$query .= " AND i.created > DATE_SUB('{$date}',INTERVAL ".$params->get('popularityRange')." DAY) ";
					}
					$orderby = 'i.hits DESC';
					break;

case 'rand' :
					$orderby = 'RAND()';
					break;

case 'best' :
					$orderby = 'rating DESC';
					break;

case 'comments' :
					if ($params->get('popularityRange'))
					{
						$datenow = JFactory::getDate();
						$date =  K2_JVERSION == '15'?$datenow->toMySQL():$datenow->toSql();
						$query .= " AND i.created > DATE_SUB('{$date}',INTERVAL ".$params->get('popularityRange')." DAY) ";
					}
					$query .= " GROUP BY i.id ";
					$orderby = 'numOfComments DESC';
					break;

case 'modified' :
					$orderby = 'lastChanged DESC';
					break;

case 'publishUp' :
					$orderby = 'i.publish_up DESC';
					break;

default :
					$orderby = 'i.id DESC';
					break;
			}

$query .= " ORDER BY ".$orderby;
			$db->setQuery($query, 0, $limit);
			$items = $db->loadObjectList();
		}

$model = K2Model::getInstance('Item', 'K2Model');

if (count($items))
		{

foreach ($items as $item)
			{
			    $item->event = new stdClass;

//Clean title
			    $item->title = JHTML::_('string.truncate', ( JFilterOutput::ampReplace($item->title) ), $params->get('title_limit',50));
			 
				//Images
				if ($params->get('itemImage'))
				{

$date = JFactory::getDate($item->modified);
					$timestamp = '?t='.$date->toUnix();

if (JFile::exists(JPATH_SITE.DS.'media'.DS.'k2'.DS.'items'.DS.'cache'.DS.md5("Image".$item->id).'_XS.jpg'))
					{
						$item->imageXSmall = JURI::base(true).'/media/k2/items/cache/'.md5("Image".$item->id).'_XS.jpg';
						if ($componentParams->get('imageTimestamp'))
						{
							$item->imageXSmall .= $timestamp;
						}
					}

if (JFile::exists(JPATH_SITE.DS.'media'.DS.'k2'.DS.'items'.DS.'cache'.DS.md5("Image".$item->id).'_S.jpg'))
					{
						$item->imageSmall = JURI::base(true).'/media/k2/items/cache/'.md5("Image".$item->id).'_S.jpg';
						if ($componentParams->get('imageTimestamp'))
						{
							$item->imageSmall .= $timestamp;
						}
					}

if (JFile::exists(JPATH_SITE.DS.'media'.DS.'k2'.DS.'items'.DS.'cache'.DS.md5("Image".$item->id).'_M.jpg'))
					{
						$item->imageMedium = JURI::base(true).'/media/k2/items/cache/'.md5("Image".$item->id).'_M.jpg';
						if ($componentParams->get('imageTimestamp'))
						{
							$item->imageMedium .= $timestamp;
						}
					}

if (JFile::exists(JPATH_SITE.DS.'media'.DS.'k2'.DS.'items'.DS.'cache'.DS.md5("Image".$item->id).'_L.jpg'))
					{
						$item->imageLarge = JURI::base(true).'/media/k2/items/cache/'.md5("Image".$item->id).'_L.jpg';
						if ($componentParams->get('imageTimestamp'))
						{
							$item->imageLarge .= $timestamp;
						}
					}

if (JFile::exists(JPATH_SITE.DS.'media'.DS.'k2'.DS.'items'.DS.'cache'.DS.md5("Image".$item->id).'_XL.jpg'))
					{
						$item->imageXLarge = JURI::base(true).'/media/k2/items/cache/'.md5("Image".$item->id).'_XL.jpg';
						if ($componentParams->get('imageTimestamp'))
						{
							$item->imageXLarge .= $timestamp;
						}
					}

if (JFile::exists(JPATH_SITE.DS.'media'.DS.'k2'.DS.'items'.DS.'cache'.DS.md5("Image".$item->id).'_Generic.jpg'))
					{
						$item->imageGeneric = JURI::base(true).'/media/k2/items/cache/'.md5("Image".$item->id).'_Generic.jpg';
						if ($componentParams->get('imageTimestamp'))
						{
							$item->imageGeneric .= $timestamp;
						}
					}

$image = 'image'.$params->get('itemImgSize', 'Small');
					if (isset($item->$image))
						$item->image = $item->$image;

}

//Read more link
				$item->link = urldecode(JRoute::_(K2HelperRoute::getItemRoute($item->id.':'.urlencode($item->alias), $item->catid.':'.urlencode($item->categoryalias))));

//Tags
				if ($params->get('itemTags'))
				{
					$tags = $model->getItemTags($item->id);
					for ($i = 0; $i < sizeof($tags); $i++)
					{
						$tags[$i]->link = JRoute::_(K2HelperRoute::getTagRoute($tags[$i]->name));
					}
					$item->tags = $tags;
				}

//Category link
				if ($params->get('itemCategory'))
					$item->categoryLink = urldecode(JRoute::_(K2HelperRoute::getCategoryRoute($item->catid.':'.urlencode($item->categoryalias))));

//Extra fields
				if ($params->get('itemExtraFields'))
				{
					$item->extra_fields = $model->getItemExtraFields($item->extra_fields, $item);
				}

//Comments counter
				if ($params->get('itemCommentsCounter'))
					$item->numOfComments = $model->countItemComments($item->id);

//Attachments
				if ($params->get('itemAttachments'))
					$item->attachments = $model->getItemAttachments($item->id);

//Import plugins
				if ($format != 'feed')
				{
					$dispatcher = JDispatcher::getInstance();
					JPluginHelper::importPlugin('content');
				}

//Video
				if ($params->get('itemVideo') && $format != 'feed')
				{
					$params->set('vfolder', 'media/k2/videos');
					$params->set('afolder', 'media/k2/audio');
					$item->text = $item->video;
					            if (K2_JVERSION == '15')
            {
                $dispatcher->trigger('onPrepareContent', array(&$item, &$params, $limitstart));
            }
            else
            {
                $dispatcher->trigger('onContentPrepare', array('mod_jb_k2slider.', &$item, &$params, $limitstart));
            }
					$item->video = $item->text;
				}

// Introtext
				$item->text = '';
				if ($params->get('itemIntroText'))
				{
					// Word limit
					if ($params->get('itemIntroTextWordLimit'))
					{
						$item->text .= K2HelperUtilities::wordLimit($item->introtext, $params->get('itemIntroTextWordLimit'));
						
					}
					else
					{
						$item->text .= $item->introtext;
					}
				}

if ($format != 'feed')
				{

$params->set('parsedInModule', 1);
					// for plugins to know when they are parsed inside this module
					
					$item->event = new stdClass;
					$item->event->BeforeDisplay = '';
					$item->event->AfterDisplay = '';
					$item->event->AfterDisplayTitle = '';
					$item->event->BeforeDisplayContent = '';
					$item->event->AfterDisplayContent = '';

if ($params->get('JPlugins', 1))
					{
						//Plugins
						if (K2_JVERSION != '15')
						{

$item->event->BeforeDisplay = '';
							$item->event->AfterDisplay = '';

$dispatcher->trigger('onContentPrepare', array('mod_jb_k2slider', &$item, &$params, $limitstart));

$results = $dispatcher->trigger('onContentAfterTitle', array('mod_jb_k2slider', &$item, &$params, $limitstart));
							$item->event->AfterDisplayTitle = trim(implode("\n", $results));

$results = $dispatcher->trigger('onContentBeforeDisplay', array('mod_jb_k2slider', &$item, &$params, $limitstart));
							$item->event->BeforeDisplayContent = trim(implode("\n", $results));

$results = $dispatcher->trigger('onContentAfterDisplay', array('mod_jb_k2slider', &$item, &$params, $limitstart));
							$item->event->AfterDisplayContent = trim(implode("\n", $results));
						}
						else
						{
							$results = $dispatcher->trigger('onBeforeDisplay', array(&$item, &$params, $limitstart));
							$item->event->BeforeDisplay = trim(implode("\n", $results));

$results = $dispatcher->trigger('onAfterDisplay', array(&$item, &$params, $limitstart));
							$item->event->AfterDisplay = trim(implode("\n", $results));

$results = $dispatcher->trigger('onAfterDisplayTitle', array(&$item, &$params, $limitstart));
							$item->event->AfterDisplayTitle = trim(implode("\n", $results));

$results = $dispatcher->trigger('onBeforeDisplayContent', array(&$item, &$params, $limitstart));
							$item->event->BeforeDisplayContent = trim(implode("\n", $results));

$results = $dispatcher->trigger('onAfterDisplayContent', array(&$item, &$params, $limitstart));
							$item->event->AfterDisplayContent = trim(implode("\n", $results));

$dispatcher->trigger('onPrepareContent', array(&$item, &$params, $limitstart));
						}
						
					}
					//Init K2 plugin events
					$item->event->K2BeforeDisplay = '';
					$item->event->K2AfterDisplay = '';
					$item->event->K2AfterDisplayTitle = '';
					$item->event->K2BeforeDisplayContent = '';
					$item->event->K2AfterDisplayContent = '';
					$item->event->K2CommentsCounter = '';

if ($params->get('K2Plugins', 1))
					{
						//K2 plugins
						JPluginHelper::importPlugin('k2');
						$results = $dispatcher->trigger('onK2BeforeDisplay', array(&$item, &$params, $limitstart));
						$item->event->K2BeforeDisplay = trim(implode("\n", $results));

$results = $dispatcher->trigger('onK2AfterDisplay', array(&$item, &$params, $limitstart));
						$item->event->K2AfterDisplay = trim(implode("\n", $results));

$results = $dispatcher->trigger('onK2AfterDisplayTitle', array(&$item, &$params, $limitstart));
						$item->event->K2AfterDisplayTitle = trim(implode("\n", $results));

$results = $dispatcher->trigger('onK2BeforeDisplayContent', array(&$item, &$params, $limitstart));
						$item->event->K2BeforeDisplayContent = trim(implode("\n", $results));

$results = $dispatcher->trigger('onK2AfterDisplayContent', array(&$item, &$params, $limitstart));
						$item->event->K2AfterDisplayContent = trim(implode("\n", $results));

$dispatcher->trigger('onK2PrepareContent', array(&$item, &$params, $limitstart));

if ($params->get('itemCommentsCounter'))
						{
							$results = $dispatcher->trigger('onK2CommentsCounter', array(&$item, &$params, $limitstart));
							$item->event->K2CommentsCounter = trim(implode("\n", $results));
						}

}

// Restore the intotext variable after plugins execution
                $item->introtext = $item->text;

//Clean the plugin tags
				$item->introtext = preg_replace("#{(.*?)}(.*?){/(.*?)}#s", '', $item->introtext);

//Author
				if ($params->get('itemAuthor'))
				{
					if (!empty($item->created_by_alias))
					{
						$item->author = $item->created_by_alias;
						$item->authorGender = NULL;
						$item->authorDescription = NULL;
						if ($params->get('itemAuthorAvatar'))
							$item->authorAvatar = K2HelperUtilities::getAvatar('alias');
						$item->authorLink = Juri::root(true);
					}
					else
					{
						$author = JFactory::getUser($item->created_by);
						$item->author = $author->name;

$query = "SELECT `description`, `gender` FROM #__k2_users WHERE userID=".(int)$author->id;
						$db->setQuery($query, 0, 1);
						$result = $db->loadObject();
						if ($result)
						{
							$item->authorGender = $result->gender;
							$item->authorDescription = $result->description;
						}
						else
						{
							$item->authorGender = NULL;
							$item->authorDescription = NULL;
						}

if ($params->get('itemAuthorAvatar'))
						{
							$item->authorAvatar = K2HelperUtilities::getAvatar($author->id, $author->email, $componentParams->get('userImageWidth'));
						}
						//Author Link
						$item->authorLink = JRoute::_(K2HelperRoute::getUserRoute($item->created_by));
					}
				}

// Extra fields plugins
				if (is_array($item->extra_fields))
				{
					foreach ($item->extra_fields as $key => $extraField)
					{
						if ($extraField->type == 'textarea' || $extraField->type == 'textfield')
						{
							$tmp = new JObject();
							$tmp->text = $extraField->value;
							if ($params->get('JPlugins', 1))
							{
								if (K2_JVERSION != '15')
								{
									$dispatcher->trigger('onContentPrepare', array('mod_jb_k2slider', &$tmp, &$params, $limitstart));
								}
								else
								{
									$dispatcher->trigger('onPrepareContent', array(&$tmp, &$params, $limitstart));
								}
							}
							if ($params->get('K2Plugins', 1))
							{
								$dispatcher->trigger('onK2PrepareContent', array(&$tmp, &$params, $limitstart));
							}
							$extraField->value = $tmp->text;
						}
					}
				}
				
				$rows[] = $item;
			}

return $rows;

}

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