Files
conservatorio-tomadini/components/com_jem/models/categories.php
2024-12-17 17:34:10 +01:00

479 lines
15 KiB
PHP

<?php
/**
* @package JEM
* @copyright (C) 2013-2024 joomlaeventmanager.net
* @copyright (C) 2005-2009 Christoph Lukes
* @license https://www.gnu.org/licenses/gpl-3.0 GNU/GPL
*/
defined('_JEXEC') or die;
use Joomla\CMS\Factory;
use Joomla\CMS\MVC\Model\BaseDatabaseModel;
use Joomla\CMS\Pagination\Pagination;
use Joomla\CMS\Language\Text;
use Joomla\CMS\Plugin\PluginHelper;
use Joomla\CMS\Router\Route;
/**
* JEM Component Categories Model
*
* @package JEM
*
*/
class JemModelCategories extends BaseDatabaseModel
{
/**
* Top category id
*
* @var int
*/
protected $_id = 0;
/**
* Event data array
*
* @var array
*/
protected $_data = null;
/**
* Categories total
*
* @var integer
*/
protected $_total = null;
/**
* Categories data array
*
* @var array
*/
protected $_categories = null;
/**
* Pagination object
*
* @var object
*/
protected $_pagination = null;
/**
* Show empty categories in list
*
* @var bool
*/
protected $_showemptycats = false;
/**
* Show subcategories
*
* @var bool
*/
protected $_showsubcats = false;
/**
* Show empty subcategories
*
* @var bool
*/
protected $_showemptysubcats = false;
/**
* Constructor
*/
public function __construct()
{
parent::__construct();
$app = Factory::getApplication();
// Get the parameters of the active menu item
$params = $app->getParams('com_jem');
$id = $app->input->getInt('id', 0);
if (empty($id)) {
$id = $params->get('id', 1);
}
$this->_id = $id;
$this->_showemptycats = (bool)$params->get('showemptycats', 1);
$this->_showsubcats = (bool)$params->get('usecat', 1);
$this->_showemptysubcats = (bool)$params->get('showemptychilds', 1);
//get the number of events from database
$limit = $app->input->getInt('limit', $params->get('cat_num'));
$limitstart = $app->input->getInt('limitstart', 0);
// correct start value if required
$limitstart = $limit ? (int)(floor($limitstart / $limit) * $limit) : 0;
$this->setState('limit', $limit);
$this->setState('limitstart', $limitstart);
}
/**
* Method to get the Categories
*
* @access public
* @return array
*/
public function getData()
{
$app = Factory::getApplication();
$params = $app->getParams();
// Lets load the content if it doesn't already exist
if (empty($this->_categories))
{
// include category itself but not if it's the root category
$parentCategory = ($this->_id > 1) ? $this->_getList($this->_buildQueryParentCategory(true)) : array();
$query = $this->_buildQuerySubCategories($this->_showemptycats);
$pagination = $this->getPagination();
$this->_categories = $this->_getList($query, $pagination->limitstart, $pagination->limit);
// Include parent category itself
$this->_categories = array_merge($parentCategory, $this->_categories);
foreach($this->_categories as $category) {
if ($this->_showsubcats) {
//child categories
// ensure parent shows at least all categories also shown in list
$showempty = $this->_showemptysubcats | ($category->id == $this->_id ? $this->_showemptycats : false);
$query = $this->_buildQuerySubCategories($showempty, $category->id);
$this->_db->setQuery($query);
$category->subcats = $this->_db->loadObjectList();
} else {
$category->subcats = array();
}
//Generate description
if (empty ($category->description)) {
$category->description = Text::_('COM_JEM_NO_DESCRIPTION');
} else {
//execute plugins
$category->text = $category->description;
$category->title = $category->catname;
PluginHelper::importPlugin('content');
$app->triggerEvent('onContentPrepare', array('com_jem.categories', &$category, &$params, 0));
$category->description = $category->text;
}
//create target link
// TODO: Move to view?
$task = $app->input->getCmd('task', '');
if ($task == 'archive') {
$category->linktext = Text::_('COM_JEM_SHOW_ARCHIVE');
$category->linktarget = Route::_(JemHelperRoute::getCategoryRoute($category->slug.'&task=archive'));
} else {
$category->linktext = Text::_('COM_JEM_SHOW_EVENTS');
$category->linktarget = Route::_(JemHelperRoute::getCategoryRoute($category->slug));
}
}
}
return $this->_categories;
}
/**
* Total nr of Categories
*
* @access public
* @return integer
*/
public function getTotal()
{
// Lets load the total nr if it doesn't already exist
if (empty($this->_total))
{
$query = $this->_buildQueryTotal();
$this->_total = $this->_getListCount($query);
}
return $this->_total;
}
/**
* Method to get the Categories events
*
* @access public
* @return array
*/
public function getEventdata($id)
{
$app = Factory::getApplication();
$params = $app->getParams('com_jem');
if (empty($this->_data[$id])) {
// Lets load the content
$query = $this->_buildDataQuery($id);
$this->_data[$id] = $this->_getList($query, 0, $params->get('detcat_nr'));
foreach ($this->_data[$id] as $i => &$item) {
$item->categories = $this->getCategories($item->id);
//remove events without categories (users have no access to them)
if (empty($item->categories)) {
unset ($this->_data[$id][$i]);
}
}
}
return $this->_data[$id];
}
/**
* Method get the event query
*
* @access private
* @return array
*/
protected function _buildDataQuery($id)
{
$user = JemFactory::getUser();
$levels = $user->getAuthorisedViewLevels();
$task = Factory::getApplication()->input->getCmd('task', '');
$id = (int)$id;
// First thing we need to do is to select only the requested events
if ($task == 'archive') {
$where = ' WHERE a.published = 2 AND rel.catid = '.$id;
} else {
$where = ' WHERE a.published = 1 AND rel.catid = '.$id;
}
// Second is to only select events assigned to category the user has access to
$where .= ' AND c.access IN (' . implode(',', $levels) . ')';
$where .= ' AND a.access IN (' . implode(',', $levels) . ')';
$query = 'SELECT DISTINCT a.id, a.dates, a.enddates, a.times, a.endtimes, a.title, a.locid, a.created, a.published,'
. ' a.recurrence_type, a.recurrence_first_id,'
. ' a.access, a.checked_out, a.checked_out_time, a.contactid, a.created, a.created_by, a.created_by_alias, a.custom1, a.custom2, a.custom3, a.custom4, a.custom5, a.custom6, a.custom7, a.custom8, a.custom9, a.custom10, a.datimage, a.featured,'
. ' a.fulltext, a.hits, a.introtext, a.language, a.maxplaces, a.metadata, a.meta_keywords, a.meta_description, a.modified, a.modified_by, a.registra, a.unregistra, a.waitinglist,'
. ' a.recurrence_byday, a.recurrence_counter, a.recurrence_limit, a.recurrence_limit_date, a.recurrence_number, a.version,'
. ' l.venue, l.street, l.postalCode, l.city, l.state, l.url, l.country, l.published AS l_published,'
. ' l.alias AS l_alias, l.checked_out AS l_checked_out, l.checked_out_time AS l_checked_out_time, l.created AS l_created, l.created_by AS l_createdby,'
. ' l.custom1 AS l_custom1, l.custom2 AS l_custom2, l.custom3 AS l_custom3, l.custom4 AS l_custom4, l.custom5 AS l_custom5, l.custom6 AS l_custom6, l.custom7 AS l_custom7, l.custom8 AS l_custom8, l.custom9 AS l_custom9, l.custom10 AS l_custom10,'
. ' l.id AS l_id, l.latitude, l.locdescription, l.locimage, l.longitude, l.map, l.meta_description AS l_meta_description, l.meta_keywords AS l_meta_keywords, l.modified AS l_modified, l.modified_by AS l_modified_by,'
. ' l.publish_up AS l_publish_up, l.publish_down AS l_publish_down, l.version AS l_version,'
. ' CASE WHEN CHAR_LENGTH(a.alias) THEN CONCAT_WS(\':\', a.id, a.alias) ELSE a.id END as slug,'
. ' CASE WHEN CHAR_LENGTH(l.alias) THEN CONCAT_WS(\':\', a.locid, l.alias) ELSE a.locid END as venueslug'
. ' FROM #__jem_events AS a'
. ' LEFT JOIN #__jem_venues AS l ON l.id = a.locid'
. ' LEFT JOIN #__jem_cats_event_relations AS rel ON rel.itemid = a.id'
. ' LEFT JOIN #__jem_categories AS c ON c.id = '.$id
. $where
. ' ORDER BY a.dates, a.times, a.created DESC'
;
return $query;
}
public function getCategories($id)
{
$user = JemFactory::getUser();
// Support Joomla access levels instead of single group id
$levels = $user->getAuthorisedViewLevels();
$query = 'SELECT DISTINCT c.id, c.catname, c.access, c.checked_out AS cchecked_out,'
. ' CASE WHEN CHAR_LENGTH(c.alias) THEN CONCAT_WS(\':\', c.id, c.alias) ELSE c.id END as catslug'
. ' FROM #__jem_categories AS c'
. ' LEFT JOIN #__jem_cats_event_relations AS rel ON rel.catid = c.id'
. ' WHERE rel.itemid = '.(int)$id
. ' AND c.published = 1'
. ' AND c.access IN (' . implode(',', $levels) . ')'
;
$this->_db->setQuery($query);
return $this->_db->loadObjectList();
}
/**
* Method to get the subcategories query
* @param bool $emptycat include empty categories
* @param string $parent_id Parent ID of the subcategories
* @return string The query string
*/
protected function _buildQuerySubCategories($emptycat, $parent_id = null)
{
return $this->_buildQuery($emptycat, $parent_id);
}
/**
* Method to get the parent category query
* @param bool $emptycat include empty categories
* @param string $parent_id ID of the parent category
* @return string The query string
*/
protected function _buildQueryParentCategory($emptycat, $parent_id = null)
{
return $this->_buildQuery($emptycat, $parent_id, true);
}
/**
* Method to get the categories query
* @param bool $emptycat include empty categories
* @param string $parent_id
* @param bool $parentCategory
* @return string The query string
*/
protected function _buildQuery($emptycat, $parent_id = null, $parentCategory = false)
{
if (is_null($parent_id)) {
$parent_id = $this->_id;
}
$app = Factory::getApplication();
$jinput = $app->input;
$user = JemFactory::getUser();
$userId = $user->get('id');
// Support Joomla access levels instead of single group id
$levels = $user->getAuthorisedViewLevels();
$jemsettings = JemHelper::config();
$ordering = 'c.lft ASC';
// build where clause
$where_sub = ' WHERE cc.published = 1';
if($parentCategory) {
$where_sub .= ' AND cc.id = '.(int) $parent_id;
} else {
$where_sub .= ' AND cc.parent_id = '.(int) $parent_id;
}
$where_sub .= ' AND cc.access IN (' . implode(',', $levels) . ')';
$where_sub .= ' AND i.access IN (' . implode(',', $levels) . ')';
// check archive task and ensure that only categories get selected
// if they contain a published/archived event
$task = $jinput->getCmd('task', '');
$format = $jinput->getCmd('format', '');
# inspired by JemModelEventslist
if ($task == 'archive') {
$where_sub .= ' AND i.published = 2';
} elseif (($format == 'raw') || ($format == 'feed')) {
$where_sub .= ' AND i.published = 1';
} else {
$show_unpublished = $user->can(array('edit', 'publish'), 'event', false, false, 1);
if ($show_unpublished) {
// global editor or publisher permission
$where_sub .= ' AND i.published IN (0, 1)';
} else {
// no global permission but maybe on event level
$where_sub_or = array();
$where_sub_or[] = '(i.published = 1)';
$jemgroups = $user->getJemGroups(array('editevent', 'publishevent'));
if (($userId !== 0) && ($jemsettings->eventedit == -1)) {
$jemgroups[0] = true; // we need key 0 to get unpublished events not attached to any jem group
}
// user permitted on that jem groups
if (is_array($jemgroups) && count($jemgroups)) {
$on_groups = array_keys($jemgroups);
// to allow only events with categories attached to allowed jemgroups use this line:
//$where_sub_or[] = '(i.published = 0 AND c.groupid IN (' . implode(',', $on_groups) . '))';
// to allow also events with categories not attached to disallowed jemgroups use this crazy block:
$where_sub_or[] = '(i.published = 0 AND '
. ' i.id NOT IN (SELECT rel3.itemid FROM #__jem_categories as c3 '
. ' INNER JOIN #__jem_cats_event_relations as rel3 '
. ' WHERE c3.id = rel3.catid AND c3.groupid NOT IN (0,' . implode(',', $on_groups) . ')'
. ' GROUP BY rel3.itemid)'
. ')';
// hint: above it's a not not ;-)
// meaning: Show unpublished events not connected to a category which is not one of the allowed categories.
}
// user permitted on own events
if (($userId !== 0) && ($user->authorise('core.edit.own', 'com_jem') || $jemsettings->eventowner)) {
$where_sub_or[] = '(i.published = 0 AND i.created_by = ' . $userId . ')';
}
$where_sub .= ' AND (' . implode(' OR ', $where_sub_or) . ')';
}
}
$where_sub .= ' AND c.id = cc.id';
// show/hide empty categories
$empty = $emptycat ? '' : ' HAVING assignedevents > 0';
// Parent category itself or its sub categories
$parentCategoryQuery = $parentCategory ? 'c.id='.(int)$parent_id : 'c.parent_id='.(int)$parent_id;
$query = 'SELECT c.*,'
. ' CASE WHEN CHAR_LENGTH(c.alias) THEN CONCAT_WS(\':\', c.id, c.alias) ELSE c.id END AS slug,'
. ' ('
. ' SELECT COUNT(DISTINCT i.id)'
. ' FROM #__jem_events AS i'
. ' LEFT JOIN #__jem_cats_event_relations AS rel ON rel.itemid = i.id'
. ' LEFT JOIN #__jem_categories AS cc ON cc.id = rel.catid'
. $where_sub
. ' GROUP BY cc.id'
. ' ) AS assignedevents'
. ' FROM #__jem_categories AS c'
. ' WHERE c.published = 1'
. ' AND '.$parentCategoryQuery
. ' AND c.access IN (' . implode(',', $levels) . ')'
. ' GROUP BY c.id '.$empty
. ' ORDER BY '.$ordering
;
return $query;
}
/**
* Method to build the Categories query without subselect
* That's enough to get the total value.
*
* @access private
* @return string
*/
protected function _buildQueryTotal()
{
$user = JemFactory::getUser();
// Support Joomla access levels instead of single group id
$levels = $user->getAuthorisedViewLevels();
$query = 'SELECT DISTINCT c.id'
. ' FROM #__jem_categories AS c';
if (!$this->_showemptycats) {
$query .= ' INNER JOIN #__jem_cats_event_relations AS rel ON rel.catid = c.id '
. ' INNER JOIN #__jem_events AS e ON e.id = rel.itemid ';
}
$query .= ' WHERE c.published = 1'
. ' AND c.parent_id = ' . (int) $this->_id
. ' AND c.access IN (' . implode(',', $levels) . ')'
;
if (!$this->_showemptycats) {
$query .= ' AND e.access IN (' . implode(',', $levels) . ')';
$task = Factory::getApplication()->input->getCmd('task', '');
if($task == 'archive') {
$query .= ' AND e.published = 2';
} else {
$query .= ' AND e.published = 1';
}
}
return $query;
}
/**
* Method to get a pagination object for the events
*
* @access public
* @return integer
*/
public function getPagination()
{
// Lets load the content if it doesn't already exist
if (empty($this->_pagination)) {
$this->_pagination = new Pagination($this->getTotal(), $this->getState('limitstart'), $this->getState('limit'));
}
return $this->_pagination;
}
}
?>