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/home/zrcdevco/www/zrcprod/modules/mod_k2_tools/helper.php

<?php
/**
 * @version    2.9.x
 * @package    K2
 * @author     JoomlaWorks https://www.joomlaworks.net
 * @copyright  Copyright (c) 2006 - 2018 JoomlaWorks Ltd. All rights reserved.
 * @license    GNU/GPL license: http://www.gnu.org/copyleft/gpl.html
 */

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

require_once(JPATH_SITE.'/components/com_k2/helpers/route.php');
require_once(JPATH_SITE.'/components/com_k2/helpers/utilities.php');
require_once(JPATH_SITE.'/media/k2/assets/vendors/cascade/calendar/calendar.php');

class modK2ToolsHelper
{
    public static $paths = array();

public static function getAuthors(&$params)
    {
        $app = JFactory::getApplication();
        $componentParams = JComponentHelper::getParams('com_k2');
        $where = '';
        $cid = $params->get('authors_module_category');
        if ($cid > 0) {
            $categories = modK2ToolsHelper::getCategoryChildren($cid);
            $categories[] = $cid;
            JArrayHelper::toInteger($categories);
            $where = " catid IN(".implode(',', $categories).") AND ";
        }

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

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

if (K2_JVERSION != '15') {
            $languageCheck = '';
            if ($app->getLanguageFilter()) {
                $languageTag = JFactory::getLanguage()->getTag();
                $languageCheck = "AND language IN (".$db->Quote($languageTag).", ".$db->Quote('*').")";
            }
            $query = "SELECT created_by FROM #__k2_items
            WHERE {$where} published=1
            AND ( publish_up = ".$db->Quote($nullDate)." OR publish_up <= ".$db->Quote($now)." )
            AND ( publish_down = ".$db->Quote($nullDate)." OR publish_down >= ".$db->Quote($now)." )
            AND trash=0
            AND access IN(".implode(',', $user->getAuthorisedViewLevels()).")
            AND created_by_alias=''
            {$languageCheck}
            AND EXISTS (SELECT * FROM #__k2_categories WHERE id= #__k2_items.catid AND published=1 AND trash=0 AND access IN(".implode(',', $user->getAuthorisedViewLevels()).") {$languageCheck})
            GROUP BY created_by";
        } else {
            $query = "SELECT created_by FROM #__k2_items
            WHERE {$where} published=1
            AND ( publish_up = ".$db->Quote($nullDate)." OR publish_up <= ".$db->Quote($now)." )
            AND ( publish_down = ".$db->Quote($nullDate)." OR publish_down >= ".$db->Quote($now)." )
            AND trash=0
            AND access<={$aid}
            AND created_by_alias=''
            AND EXISTS (SELECT * FROM #__k2_categories WHERE id= #__k2_items.catid AND published=1 AND trash=0 AND access<={$aid})
            GROUP BY created_by";
        }

$db->setQuery($query);
        $rows = $db->loadObjectList();

$authors = array();
        if (count($rows)) {
            foreach ($rows as $row) {
                $author = JFactory::getUser($row->created_by);
                $author->link = JRoute::_(K2HelperRoute::getUserRoute($author->id));

$query = "SELECT id, gender, description, image, url, `group`, plugins FROM #__k2_users WHERE userID=".(int)$author->id;
                $db->setQuery($query);
                $author->profile = $db->loadObject();

if ($params->get('authorAvatar')) {
                    $author->avatar = K2HelperUtilities::getAvatar($author->id, $author->email, $componentParams->get('userImageWidth'));
                }

if (K2_JVERSION != '15') {
                    $languageCheck = '';
                    if ($app->getLanguageFilter()) {
                        $languageTag = JFactory::getLanguage()->getTag();
                        $languageCheck = "AND i.language IN (".$db->Quote($languageTag).", ".$db->Quote('*').") AND c.language IN (".$db->Quote($languageTag).", ".$db->Quote('*').")";
                    }
                    $query = "SELECT i.*, c.alias as categoryalias FROM #__k2_items as i
                    LEFT JOIN #__k2_categories c ON c.id = i.catid
                    WHERE i.created_by = ".(int)$author->id."
                    AND i.published = 1
                    AND i.access IN(".implode(',', $user->getAuthorisedViewLevels()).")
                    AND ( i.publish_up = ".$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.trash = 0 AND created_by_alias='' AND c.published = 1 AND c.access IN(".implode(',', $user->getAuthorisedViewLevels()).") AND c.trash = 0 {$languageCheck} ORDER BY created DESC";
                } else {
                    $query = "SELECT i.*, c.alias as categoryalias FROM #__k2_items as i
                    LEFT JOIN #__k2_categories c ON c.id = i.catid
                    WHERE i.created_by = ".(int)$author->id."
                    AND i.published = 1
                    AND i.access <= {$aid}
                    AND ( i.publish_up = ".$db->Quote($nullDate)." OR i.publish_up <= ".$db->Quote($now)." )
                    AND ( i.publish_down = ".$db->Quote($nullDate)." OR i.publish_down >= ".$db->Quote($now)." )
                    AND i.trash = 0 AND created_by_alias='' AND c.published = 1 AND c.access <= {$aid} AND c.trash = 0 ORDER BY created DESC";
                }

$db->setQuery($query, 0, 1);
                $author->latest = $db->loadObject();
                $author->latest->id = (int)$author->latest->id;
                $author->latest->link = urldecode(JRoute::_(K2HelperRoute::getItemRoute($author->latest->id.':'.urlencode($author->latest->alias), $author->latest->catid.':'.urlencode($author->latest->categoryalias))));

$query = "SELECT COUNT(*) FROM #__k2_comments WHERE published=1 AND itemID={$author->latest->id}";
                $db->setQuery($query);
                $author->latest->numOfComments = $db->loadResult();

if ($params->get('authorItemsCounter')) {
                    if (K2_JVERSION != '15') {
                        $languageCheck = '';
                        if ($app->getLanguageFilter()) {
                            $languageTag = JFactory::getLanguage()->getTag();
                            $languageCheck = "AND language IN (".$db->Quote($languageTag).", ".$db->Quote('*').")";
                        }
                        $query = "SELECT COUNT(*) FROM #__k2_items  WHERE {$where} published=1 AND ( publish_up = ".$db->Quote($nullDate)." OR publish_up <= ".$db->Quote($now)." ) AND ( publish_down = ".$db->Quote($nullDate)." OR publish_down >= ".$db->Quote($now)." ) AND trash=0 AND access IN(".implode(',', $user->getAuthorisedViewLevels()).") AND created_by_alias='' AND created_by={$row->created_by} {$languageCheck} AND EXISTS (SELECT * FROM #__k2_categories WHERE id= #__k2_items.catid AND published=1 AND trash=0 AND access IN(".implode(',', $user->getAuthorisedViewLevels()).") {$languageCheck} )";
                    } else {
                        $query = "SELECT COUNT(*) FROM #__k2_items  WHERE {$where} published=1 AND ( publish_up = ".$db->Quote($nullDate)." OR publish_up <= ".$db->Quote($now)." ) AND ( publish_down = ".$db->Quote($nullDate)." OR publish_down >= ".$db->Quote($now)." ) AND trash=0 AND access<={$aid} AND created_by_alias='' AND created_by={$row->created_by} AND EXISTS (SELECT * FROM #__k2_categories WHERE id= #__k2_items.catid AND published=1 AND trash=0 AND access<={$aid} )";
                    }
                    $db->setQuery($query);
                    $numofitems = $db->loadResult();
                    $author->items = $numofitems;
                }
                $authors[] = $author;
            }
        }
        return $authors;
    }

public static function getArchive(&$params)
    {
        $app = JFactory::getApplication();
        $user = JFactory::getUser();
        $aid = (int)$user->get('aid');
        $db = JFactory::getDbo();

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

$nullDate = $db->getNullDate();

$query = "SELECT DISTINCT MONTH(created) as m, YEAR(created) as y FROM #__k2_items WHERE published=1 AND ( publish_up = ".$db->Quote($nullDate)." OR publish_up <= ".$db->Quote($now)." ) AND ( publish_down = ".$db->Quote($nullDate)." OR publish_down >= ".$db->Quote($now)." ) AND trash=0";
        if (K2_JVERSION != '15') {
            $query .= " AND access IN(".implode(',', $user->getAuthorisedViewLevels()).") ";
            if ($app->getLanguageFilter()) {
                $languageTag = JFactory::getLanguage()->getTag();
                $query .= " AND language IN (".$db->Quote($languageTag).", ".$db->Quote('*').") ";
            }
        } else {
            $query .= " AND access<={$aid} ";
        }

$catid = $params->get('archiveCategory', 0);
        if ($catid > 0) {
            $query .= " AND catid=".(int)$catid;
        }

$query .= " ORDER BY created DESC";

$db->setQuery($query, 0, 12);
        $rows = $db->loadObjectList();
        $months = array(
            JText::_('K2_JANUARY'),
            JText::_('K2_FEBRUARY'),
            JText::_('K2_MARCH'),
            JText::_('K2_APRIL'),
            JText::_('K2_MAY'),
            JText::_('K2_JUNE'),
            JText::_('K2_JULY'),
            JText::_('K2_AUGUST'),
            JText::_('K2_SEPTEMBER'),
            JText::_('K2_OCTOBER'),
            JText::_('K2_NOVEMBER'),
            JText::_('K2_DECEMBER'),
        );
        if (count($rows)) {
            foreach ($rows as $row) {
                if ($params->get('archiveItemsCounter')) {
                    $row->numOfItems = modK2ToolsHelper::countArchiveItems($row->m, $row->y, $catid);
                } else {
                    $row->numOfItems = '';
                }
                $row->name = $months[($row->m) - 1];

if ($params->get('archiveCategory', 0) > 0) {
                    $row->link = JRoute::_(K2HelperRoute::getDateRoute($row->y, $row->m, null, $params->get('archiveCategory')));
                } else {
                    $row->link = JRoute::_(K2HelperRoute::getDateRoute($row->y, $row->m));
                }

$archives[] = $row;
            }

return $archives;
        }
    }

public static function tagCloud(&$params)
    {
        $app = JFactory::getApplication();
        $user = JFactory::getUser();
        $aid = (int)$user->get('aid');
        $db = JFactory::getDbo();

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

$nullDate = $db->getNullDate();

$query = "SELECT i.id FROM #__k2_items as i";
        $query .= " LEFT JOIN #__k2_categories c ON c.id = i.catid";
        $query .= " WHERE i.published=1 ";
        $query .= " AND ( i.publish_up = ".$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)." )";
        $query .= " AND i.trash=0 ";
        if (K2_JVERSION != '15') {
            $query .= " AND i.access IN(".implode(',', $user->getAuthorisedViewLevels()).") ";
        } else {
            $query .= " AND i.access <= {$aid} ";
        }
        $query .= " AND c.published=1 ";
        $query .= " AND c.trash=0 ";
        if (K2_JVERSION != '15') {
            $query .= " AND c.access IN(".implode(',', $user->getAuthorisedViewLevels()).") ";
        } else {
            $query .= " AND c.access <= {$aid} ";
        }

$cloudCategory = $params->get('cloud_category');
        if (is_array($cloudCategory)) {
            $cloudCategory = array_filter($cloudCategory);
        }
        if ($cloudCategory) {
            if (!is_array($cloudCategory)) {
                $cloudCategory = (array)$cloudCategory;
            }
            foreach ($cloudCategory as $cloudCategoryID) {
                $categories[] = $cloudCategoryID;
                if ($params->get('cloud_category_recursive')) {
                    $children = modK2ToolsHelper::getCategoryChildren($cloudCategoryID);
                    $categories = @array_merge($categories, $children);
                }
            }
            $categories = @array_unique($categories);
            JArrayHelper::toInteger($categories);
            if (count($categories) == 1) {
                $query .= " AND i.catid={$categories[0]}";
            } else {
                $query .= " AND i.catid IN(".implode(',', $categories).")";
            }
        }

if (K2_JVERSION != '15') {
            if ($app->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);
        $IDs = K2_JVERSION == '30' ? $db->loadColumn() : $db->loadResultArray();

if (!is_array($IDs) || !count($IDs)) {
            return array();
        }

$query = "SELECT tag.name, tag.id
            FROM #__k2_tags as tag
            LEFT JOIN #__k2_tags_xref AS xref ON xref.tagID = tag.id
            WHERE xref.itemID IN (".implode(',', $IDs).")
            AND tag.published = 1";
        $db->setQuery($query);
        $rows = $db->loadObjectList();
        $cloud = array();
        if (count($rows)) {
            foreach ($rows as $tag) {
                if (@array_key_exists($tag->name, $cloud)) {
                    $cloud[$tag->name]++;
                } else {
                    $cloud[$tag->name] = 1;
                }
            }

$max_size = $params->get('max_size');
            $min_size = $params->get('min_size');
            $max_qty = max(array_values($cloud));
            $min_qty = min(array_values($cloud));
            $spread = $max_qty - $min_qty;
            if (0 == $spread) {
                $spread = 1;
            }

$step = ($max_size - $min_size) / ($spread);

$counter = 0;
            arsort($cloud, SORT_NUMERIC);
            $cloud = @array_slice($cloud, 0, $params->get('cloud_limit'), true);
            uksort($cloud, "strnatcasecmp");

foreach ($cloud as $key => $value) {
                $size = $min_size + (($value - $min_qty) * $step);
                $size = ceil($size);
                $tmp = new stdClass;
                $tmp->tag = $key;
                $tmp->count = $value;
                $tmp->size = $size;
                $tmp->link = urldecode(JRoute::_(K2HelperRoute::getTagRoute($key)));
                $tags[$counter] = $tmp;
                $counter++;
            }

return $tags;
        }
    }

public static function getSearchCategoryFilter(&$params)
    {
        $result = '';
        $cid = $params->get('category_id', null);
        if ($params->get('catfilter')) {
            if (!is_null($cid)) {
                if (is_array($cid)) {
                    if ($params->get('getChildren')) {
                        $itemListModel = K2Model::getInstance('Itemlist', 'K2Model');
                        $categories = $itemListModel->getCategoryTree($cid);
                        $result = @implode(',', $categories);
                    } else {
                        JArrayHelper::toInteger($cid);
                        $result = implode(',', $cid);
                    }
                } else {
                    if ($params->get('getChildren')) {
                        $itemListModel = K2Model::getInstance('Itemlist', 'K2Model');
                        $categories = $itemListModel->getCategoryTree($cid);
                        $result = @implode(',', $categories);
                    } else {
                        $result = (int)$cid;
                    }
                }
            }
        }

return $result;
    }

public static function hasChildren($id)
    {
        $app = JFactory::getApplication();
        $user = JFactory::getUser();
        $aid = (int)$user->get('aid');
        $id = (int)$id;
        $db = JFactory::getDbo();
        $query = "SELECT * FROM #__k2_categories  WHERE parent={$id} AND published=1 AND trash=0 ";
        if (K2_JVERSION != '15') {
            $query .= " AND access IN(".implode(',', $user->getAuthorisedViewLevels()).") ";
            if ($app->getLanguageFilter()) {
                $languageTag = JFactory::getLanguage()->getTag();
                $query .= " AND language IN (".$db->Quote($languageTag).", ".$db->Quote('*').") ";
            }
        } else {
            $query .= " AND access <= {$aid}";
        }

$db->setQuery($query);
        $rows = $db->loadObjectList();
        if ($db->getErrorNum()) {
            echo $db->stderr();
            return false;
        }

if (count($rows)) {
            return true;
        } else {
            return false;
        }
    }

public static function treerecurse(&$params, $id = 0, $level = 0, $begin = false)
    {
        static $output;
        if ($begin) {
            $output = '';
        }
        $app = JFactory::getApplication();
        $root_id = (int)$params->get('root_id');
        $end_level = $params->get('end_level', null);
        $id = (int)$id;
        $catid = JRequest::getInt('id');
        $option = JRequest::getCmd('option');
        $view = JRequest::getCmd('view');

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

switch ($params->get('categoriesListOrdering')) {

case 'alpha':
                $orderby = 'name';
                break;

case 'ralpha':
                $orderby = 'name DESC';
                break;

case 'order':
                $orderby = 'ordering';
                break;

case 'reversedefault':
                $orderby = 'id DESC';
                break;

default:
                $orderby = 'id ASC';
                break;
        }

if (($root_id != 0) && ($level == 0)) {
            $query = "SELECT * FROM #__k2_categories WHERE parent={$root_id} AND published=1 AND trash=0 ";
        } else {
            $query = "SELECT * FROM #__k2_categories WHERE parent={$id} AND published=1 AND trash=0 ";
        }

if (K2_JVERSION != '15') {
            $query .= " AND access IN(".implode(',', $user->getAuthorisedViewLevels()).") ";
            if ($app->getLanguageFilter()) {
                $languageTag = JFactory::getLanguage()->getTag();
                $query .= " AND language IN (".$db->Quote($languageTag).", ".$db->Quote('*').") ";
            }
        } else {
            $query .= " AND access <= {$aid}";
        }

$query .= " ORDER BY {$orderby}";

$db->setQuery($query);
        $rows = $db->loadObjectList();
        if ($db->getErrorNum()) {
            echo $db->stderr();
            return false;
        }

if ($level < intval($end_level) || is_null($end_level)) {
            $output .= '<ul class="level'.$level.'">';
            foreach ($rows as $row) {
                if ($params->get('categoriesListItemsCounter')) {
                    $row->numOfItems = ' ('.modK2ToolsHelper::countCategoryItems($row->id).')';
                } else {
                    $row->numOfItems = '';
                }

if (($option == 'com_k2') && ($view == 'itemlist') && ($catid == $row->id)) {
                    $active = ' class="activeCategory"';
                } else {
                    $active = '';
                }

if (modK2ToolsHelper::hasChildren($row->id)) {
                    $output .= '<li'.$active.'><a href="'.urldecode(JRoute::_(K2HelperRoute::getCategoryRoute($row->id.':'.urlencode($row->alias)))).'"><span class="catTitle">'.$row->name.'</span><span class="catCounter">'.$row->numOfItems.'</span></a>';
                    modK2ToolsHelper::treerecurse($params, $row->id, $level + 1);
                    $output .= '</li>';
                } else {
                    $output .= '<li'.$active.'><a href="'.urldecode(JRoute::_(K2HelperRoute::getCategoryRoute($row->id.':'.urlencode($row->alias)))).'"><span class="catTitle">'.$row->name.'</span><span class="catCounter">'.$row->numOfItems.'</span></a></li>';
                }
            }
            $output .= '</ul>';
        }

return $output;
    }

public static function treeselectbox(&$params, $id = 0, $level = 0)
    {
        $app = JFactory::getApplication();
        $root_id = (int)$params->get('root_id2');
        $option = JRequest::getCmd('option');
        $view = JRequest::getCmd('view');
        $category = JRequest::getInt('id');
        $id = (int)$id;
        $user = JFactory::getUser();
        $aid = (int)$user->get('aid');
        $db = JFactory::getDbo();
        if (($root_id != 0) && ($level == 0)) {
            $query = "SELECT * FROM #__k2_categories WHERE parent={$root_id} AND published=1 AND trash=0 ";
        } else {
            $query = "SELECT * FROM #__k2_categories WHERE parent={$id} AND published=1 AND trash=0 ";
        }

$query .= " ORDER BY ordering";

$db->setQuery($query);
        $rows = $db->loadObjectList();
        if ($db->getErrorNum()) {
            echo $db->stderr();
            return false;
        }

if ($level == 0) {
            echo '
<div class="k2CategorySelectBlock '.$params->get('moduleclass_sfx').'">
    <form action="'.JRoute::_('index.php').'" method="get">
        <select name="category" onchange="window.location=this.form.category.value;">
            <option value="'.JURI::base(true).'/">'.JText::_('K2_SELECT_CATEGORY').'</option>
            ';
        }
        $indent = "";
        for ($i = 0; $i < $level; $i++) {
            $indent .= '&ndash; ';
        }

foreach ($rows as $row) {
            if (($option == 'com_k2') && ($category == $row->id)) {
                $selected = ' selected="selected"';
            } else {
                $selected = '';
            }
            if (modK2ToolsHelper::hasChildren($row->id)) {
                echo '<option value="'.urldecode(JRoute::_(K2HelperRoute::getCategoryRoute($row->id.':'.urlencode($row->alias)))).'"'.$selected.'>'.$indent.$row->name.'</option>';
                modK2ToolsHelper::treeselectbox($params, $row->id, $level + 1);
            } else {
                echo '<option value="'.urldecode(JRoute::_(K2HelperRoute::getCategoryRoute($row->id.':'.urlencode($row->alias)))).'"'.$selected.'>'.$indent.$row->name.'</option>';
            }
        }

if ($level == 0) {
            echo '
            </select>
            <input name="option" value="com_k2" type="hidden" />
            <input name="view" value="itemlist" type="hidden" />
            <input name="task" value="category" type="hidden" />
            <input name="Itemid" value="'.JRequest::getInt('Itemid').'" type="hidden" />';

// For Joom!Fish compatibility
            if (JRequest::getCmd('lang')) {
                echo '<input name="lang" value="'.JRequest::getCmd('lang').'" type="hidden" />';
            }

echo '
    </form>
</div>
            ';
        }
    }

public static function breadcrumbs($params)
    {
        $app = JFactory::getApplication();
        $array = array();
        $view = JRequest::getCmd('view');
        $id = JRequest::getInt('id');
        $option = JRequest::getCmd('option');
        $task = JRequest::getCmd('task');

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

$menu = $app->getMenu();
        $active = $menu->getActive();

if ($option == 'com_k2') {
            switch ($view) {

case 'item':
                    if (K2_JVERSION != '15') {
                        $languageCheck = '';
                        if ($app->getLanguageFilter()) {
                            $languageTag = JFactory::getLanguage()->getTag();
                            $languageCheck = " AND language IN (".$db->Quote($languageTag).", ".$db->Quote('*').") ";
                        }
                        $query = "SELECT * FROM #__k2_items  WHERE id={$id} AND published=1 AND trash=0 AND access IN(".implode(',', $user->getAuthorisedViewLevels()).") {$languageCheck} AND EXISTS (SELECT * FROM #__k2_categories WHERE #__k2_categories.id= #__k2_items.catid AND published=1 AND access IN(".implode(',', $user->getAuthorisedViewLevels()).")  {$languageCheck} )";
                    } else {
                        $query = "SELECT * FROM #__k2_items  WHERE id={$id} AND published=1 AND trash=0 AND access<={$aid} AND EXISTS (SELECT * FROM #__k2_categories WHERE #__k2_categories.id= #__k2_items.catid AND published=1 AND access<={$aid})";
                    }
                    $db->setQuery($query);
                    $row = $db->loadObject();
                    if ($db->getErrorNum()) {
                        echo $db->stderr();
                        return false;
                    }

$matchItem = !is_null($active) && @$active->query['view'] == 'item' && @$active->query['id'] == $id;
                    $matchCategory = !is_null($active) && @$active->query['view'] == 'itemlist' && @$active->query['task'] == 'category' && @$active->query['id'] == $row->catid;

if ($matchItem || $matchCategory) {
                        $title = ($matchCategory) ? $row->title : '';
                        $path = modK2ToolsHelper::getSitePath();
                        return array($path, $title);
                    }

$title = $row->title;
                    $path = modK2ToolsHelper::getCategoryPath($row->catid);

break;

case 'itemlist':
                    if ($task == 'category') {
                        $match = !is_null($active) && @$active->query['view'] == 'itemlist' && @$active->query['task'] == 'category' && @$active->query['id'] == $id;
                        if ($match) {
                            $title = '';
                            $path = modK2ToolsHelper::getSitePath();
                            return array($path, $title);
                        }

$query = "SELECT * FROM #__k2_categories  WHERE id={$id} AND published=1 AND trash=0 ";
                        if (K2_JVERSION != '15') {
                            $query .= " AND access IN(".implode(',', $user->getAuthorisedViewLevels()).") ";
                            if ($app->getLanguageFilter()) {
                                $languageTag = JFactory::getLanguage()->getTag();
                                $query .= " AND language IN (".$db->Quote($languageTag).", ".$db->Quote('*').") ";
                            }
                        } else {
                            $query .= " AND access <= {$aid}";
                        }

$db->setQuery($query);
                        $row = $db->loadObject();
                        if ($db->getErrorNum()) {
                            echo $db->stderr();
                            return false;
                        }
                        $title = $row->name;
                        $path = modK2ToolsHelper::getCategoryPath($row->parent);
                    } else {
                        $document = JFactory::getDocument();
                        $title = $document->getTitle();
                        $path = modK2ToolsHelper::getSitePath();
                    }
                    break;

case 'latest':
                    $document = JFactory::getDocument();
                    $title = $document->getTitle();
                    $path = modK2ToolsHelper::getSitePath();
                    break;
            }
        } else {
            $document = JFactory::getDocument();
            $title = $document->getTitle();
            $path = modK2ToolsHelper::getSitePath();
        }

return array(
            $path,
            $title
        );
    }

public static function getSitePath()
    {
        $app = JFactory::getApplication();
        $pathway = $app->getPathway();
        $items = $pathway->getPathway();
        $count = count($items);
        $path = array();
        for ($i = 0; $i < $count; $i++) {
            if (!empty($items[$i]->link)) {
                $items[$i]->name = stripslashes(htmlspecialchars($items[$i]->name, ENT_QUOTES, 'UTF-8'));
                $items[$i]->link = JRoute::_($items[$i]->link);
                array_push($path, '<a href="'.JRoute::_($items[$i]->link).'">'.$items[$i]->name.'</a>');
            }
        }
        return $path;
    }

public static function getCategoryPath($catid, &$array = array())
    {
        if (isset(self::$paths[$catid])) {
            return self::$paths[$catid];
        }

$app = JFactory::getApplication();
        $user = JFactory::getUser();
        $aid = (int)$user->get('aid');
        $catid = (int)$catid;
        $db = JFactory::getDbo();
        $query = "SELECT * FROM #__k2_categories WHERE id={$catid} AND published=1 AND trash=0 ";

$db->setQuery($query);
        $rows = $db->loadObjectList();
        if ($db->getErrorNum()) {
            echo $db->stderr();
            return false;
        }

foreach ($rows as $row) {
            array_push($array, '<a href="'.urldecode(JRoute::_(K2HelperRoute::getCategoryRoute($row->id.':'.urlencode($row->alias)))).'">'.$row->name.'</a>');
            modK2ToolsHelper::getCategoryPath($row->parent, $array);
        }
        $return = array_reverse($array);
        self::$paths[$catid] = $return;
        return $return;
    }

public static function getCategoryChildren($catid)
    {
        static $array = array();
        $app = JFactory::getApplication();
        $user = JFactory::getUser();
        $aid = (int)$user->get('aid');
        $catid = (int)$catid;
        $db = JFactory::getDbo();
        $query = "SELECT * FROM #__k2_categories WHERE parent={$catid} AND published=1 AND trash=0 ";
        if (K2_JVERSION != '15') {
            $query .= " AND access IN(".implode(',', $user->getAuthorisedViewLevels()).") ";
            if ($app->getLanguageFilter()) {
                $languageTag = JFactory::getLanguage()->getTag();
                $query .= " AND language IN (".$db->Quote($languageTag).", ".$db->Quote('*').") ";
            }
        } else {
            $query .= " AND access <= {$aid}";
        }
        $query .= " ORDER BY ordering ";

$db->setQuery($query);
        $rows = $db->loadObjectList();
        if ($db->getErrorNum()) {
            echo $db->stderr();
            return false;
        }
        foreach ($rows as $row) {
            array_push($array, $row->id);
            if (modK2ToolsHelper::hasChildren($row->id)) {
                modK2ToolsHelper::getCategoryChildren($row->id);
            }
        }
        return $array;
    }

public static function countArchiveItems($month, $year, $catid = 0)
    {
        $app = JFactory::getApplication();
        $user = JFactory::getUser();
        $aid = (int)$user->get('aid');
        $month = (int)$month;
        $year = (int)$year;
        $db = JFactory::getDbo();

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

$nullDate = $db->getNullDate();

$query = "SELECT COUNT(*) FROM #__k2_items WHERE MONTH(created)={$month} AND YEAR(created)={$year} AND published=1 AND ( publish_up = ".$db->Quote($nullDate)." OR publish_up <= ".$db->Quote($now)." ) AND ( publish_down = ".$db->Quote($nullDate)." OR publish_down >= ".$db->Quote($now)." ) AND trash=0 ";
        if (K2_JVERSION != '15') {
            $query .= " AND access IN(".implode(',', $user->getAuthorisedViewLevels()).") ";
            if ($app->getLanguageFilter()) {
                $languageTag = JFactory::getLanguage()->getTag();
                $query .= " AND language IN (".$db->Quote($languageTag).", ".$db->Quote('*').") ";
            }
        } else {
            $query .= " AND access <= {$aid}";
        }
        if ($catid > 0) {
            $query .= " AND catid={$catid}";
        }
        $db->setQuery($query);
        $total = $db->loadResult();
        return $total;
    }

public static function countCategoryItems($id)
    {
        $app = JFactory::getApplication();
        $user = JFactory::getUser();
        $aid = (int)$user->get('aid');
        $id = (int)$id;
        $db = JFactory::getDbo();

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

$nullDate = $db->getNullDate();

$query = "SELECT COUNT(*) FROM #__k2_items WHERE catid={$id} AND published=1 AND ( publish_up = ".$db->Quote($nullDate)." OR publish_up <= ".$db->Quote($now)." ) AND ( publish_down = ".$db->Quote($nullDate)." OR publish_down >= ".$db->Quote($now)." ) AND trash=0 ";
        if (K2_JVERSION != '15') {
            $query .= " AND access IN(".implode(',', $user->getAuthorisedViewLevels()).") ";
            if ($app->getLanguageFilter()) {
                $languageTag = JFactory::getLanguage()->getTag();
                $query .= " AND language IN (".$db->Quote($languageTag).", ".$db->Quote('*').") ";
            }
        } else {
            $query .= " AND access <= {$aid}";
        }
        $db->setQuery($query);
        $total = $db->loadResult();
        return $total;
    }

public static function calendar($params)
    {
        $month = JRequest::getInt('month');
        $year = JRequest::getInt('year');

$months = array(
            JText::_('K2_JANUARY'),
            JText::_('K2_FEBRUARY'),
            JText::_('K2_MARCH'),
            JText::_('K2_APRIL'),
            JText::_('K2_MAY'),
            JText::_('K2_JUNE'),
            JText::_('K2_JULY'),
            JText::_('K2_AUGUST'),
            JText::_('K2_SEPTEMBER'),
            JText::_('K2_OCTOBER'),
            JText::_('K2_NOVEMBER'),
            JText::_('K2_DECEMBER'),
        );
        $days = array(
            JText::_('K2_SUN'),
            JText::_('K2_MON'),
            JText::_('K2_TUE'),
            JText::_('K2_WED'),
            JText::_('K2_THU'),
            JText::_('K2_FRI'),
            JText::_('K2_SAT'),
        );

$cal = new MyCalendar;
        $cal->category = $params->get('calendarCategory', 0);
        $cal->setStartDay(1);
        $cal->setMonthNames($months);
        $cal->setDayNames($days);

if (($month) && ($year)) {
            return $cal->getMonthView($month, $year);
        } else {
            return $cal->getCurrentMonthView();
        }
    }

public function calendarNavigation()
    {
        $app = JFactory::getApplication();

$month = JRequest::getInt('month');
        $year = JRequest::getInt('year');

$cal = new MyCalendar;
        $cal->setMonthNames($months);
        $cal->setDayNames($days);
        $cal->category = JRequest::getInt('catid');
        $cal->setStartDay(1);
        if (($month) && ($year)) {
            echo $cal->getMonthView($month, $year);
        } else {
            echo $cal->getCurrentMonthView();
        }
        $app->close();
    }

public static function renderCustomCode($params)
    {
        jimport('joomla.filesystem.file');
        $document = JFactory::getDocument();
        if ($params->get('parsePhp')) {
            $filename = tempnam(JPATH_SITE.'/cache/mod_k2_tools', 'tmp');
            $customCode = $params->get('customCode');
            JFile::write($filename, $customCode);
            ob_start();
            include($filename);
            $output = ob_get_contents();
            ob_end_clean();
            JFile::delete($filename);
        } else {
            $output = $params->get('customCode');
        }
        if ($document->getType() != 'feed') {
            $dispatcher = JDispatcher::getInstance();
            if ($params->get('JPlugins')) {
                JPluginHelper::importPlugin('content');
                $row = new JObject();
                $row->text = $output;
                if (K2_JVERSION != '15') {
                    $dispatcher->trigger('onContentPrepare', array(
                        'mod_k2_tools',
                        &$row,
                        &$params
                    ));
                } else {
                    $dispatcher->trigger('onPrepareContent', array(
                        &$row,
                        &$params
                    ));
                }
                $output = $row->text;
            }
            if ($params->get('K2Plugins')) {
                JPluginHelper::importPlugin('k2');
                $row = new JObject();
                $row->text = $output;
                $dispatcher->trigger('onK2PrepareContent', array(
                    &$row,
                    &$params
                ));
                $output = $row->text;
            }
        }
        return $output;
    }
}

class MyCalendar extends Calendar
{
    public $category = null;
    public $cache = null;

public function getDateLink($day, $month, $year)
    {
        if (is_null($this->cache)) {
            $this->cache = array();
            $app = JFactory::getApplication();
            $user = JFactory::getUser();
            $aid = $user->get('aid');
            $db = JFactory::getDbo();

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

$nullDate = $db->getNullDate();

$languageCheck = '';
            if (K2_JVERSION != '15') {
                $accessCheck = " access IN(".implode(',', $user->getAuthorisedViewLevels()).") ";
                if ($app->getLanguageFilter()) {
                    $languageTag = JFactory::getLanguage()->getTag();
                    $languageCheck = " AND language IN (".$db->Quote($languageTag).", ".$db->Quote('*').") ";
                }
            } else {
                $accessCheck = " access <= {$aid}";
            }

$query = "SELECT DAY(created) AS day, COUNT(*) AS counter FROM #__k2_items WHERE YEAR(created)={$year} AND MONTH(created)={$month} AND published=1 AND ( publish_up = ".$db->Quote($nullDate)." OR publish_up <= ".$db->Quote($now)." ) AND ( publish_down = ".$db->Quote($nullDate)." OR publish_down >= ".$db->Quote($now)." ) AND trash=0 AND {$accessCheck} {$languageCheck} AND EXISTS(SELECT * FROM #__k2_categories WHERE id= #__k2_items.catid AND published=1 AND trash=0 AND {$accessCheck} {$languageCheck})";

$catid = $this->category;
            if ($catid > 0) {
                $query .= " AND catid={$catid}";
            }

$query .= ' GROUP BY day';

$db->setQuery($query);
            $objects = $db->loadObjectList();
            if ($db->getErrorNum()) {
                echo $db->stderr();
                return false;
            }
            foreach ($objects as $object) {
                $this->cache[$object->day] = $object->counter;
            }
        }
        $result = isset($this->cache[$day]) ? $this->cache[$day] : 0;

if ($result > 0) {
            if ($this->category > 0) {
                return JRoute::_(K2HelperRoute::getDateRoute($year, $month, $day, $this->category));
            } else {
                return JRoute::_(K2HelperRoute::getDateRoute($year, $month, $day));
            }
        } else {
            return false;
        }
    }

public function getCalendarLink($month, $year)
    {
        $itemID = JRequest::getInt('Itemid');
        if ($this->category > 0) {
            return JURI::root(true)."/index.php?option=com_k2&amp;view=itemlist&amp;task=calendar&amp;month={$month}&amp;year={$year}&amp;catid={$this->category}&amp;Itemid={$itemID}";
        } else {
            return JURI::root(true)."/index.php?option=com_k2&amp;view=itemlist&amp;task=calendar&amp;month=$month&amp;year=$year&amp;Itemid={$itemID}";
        }
    }
}