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<?php
// $HeadURL: https://joomgallery.org/svn/joomgallery/JG-2.0/JG/trunk/administrator/components/com_joomgallery/models/images.php $
// $Id: images.php 4108 2013-02-22 17:36:47Z erftralle $
/****************************************************************************************\
** JoomGallery 2 **
** By: JoomGallery::ProjectTeam **
** Copyright (C) 2008 - 2012 JoomGallery::ProjectTeam **
** Based on: JoomGallery 1.0.0 by JoomGallery::ProjectTeam **
** Released under GNU GPL Public License **
** License: http://www.gnu.org/copyleft/gpl.html or have a look **
** at administrator/components/com_joomgallery/LICENSE.TXT **
\****************************************************************************************/
defined('_JEXEC') or die('Direct Access to this location is not allowed.');
/**
* Images model
*
* @package JoomGallery
* @since 1.5.5
*/
class JoomGalleryModelImages extends JoomGalleryModel
{
/**
* Images data array
*
* @var array
*/
protected $_images;
/**
* Images number
*
* @var int
*/
protected $_total = null;
/**
* Constructor
*
* @param array An optional associative array of configuration settings
* @return void
* @since 2.0
*/
public function __construct($config = array())
{
parent::__construct($config);
$this->filter_fields = array(
'id', 'a.id',
'imgtitle', 'a.imgtitle',
'alias', 'a.alias',
'catid', 'a.catid',
'category_name',
'published', 'a.published',
'approved', 'a.approved',
'access', 'a.access', 'access_level',
'owner', 'a.owner',
'imgauthor', 'a.imgauthor',
'imgdate', 'a.imgdate',
'hits', 'a.hits',
'ordering', 'a.ordering'
);
}
/**
* Retrieves the images data
*
* @return array Array of objects containing the images data from the database
* @since 1.5.5
*/
public function getImages()
{
// Let's load the data if it doesn't already exist
if(empty($this->_images))
{
$query = $this->_buildQuery();
$this->_images = $this->_getList($query, $this->getState('list.start'), $this->getState('list.limit'));
}
return $this->_images;
}
/**
* Method to get the pagination object for the list.
* This method uses 'getTotel', 'getStart' and the current
* list limit of this view.
*
* @return object A pagination object
* @since 2.0
*/
public function getPagination()
{
jimport('joomla.html.pagination');
return new JPagination($this->getTotal(), $this->getStart(), $this->getState('list.limit'));
}
/**
* Method to get the total number of images
*
* @return int The total number of images
* @since 1.5.5
*/
public function getTotal()
{
// Let's load the total number of images if it doesn't already exist
if(empty($this->_total))
{
$query = $this->_buildQuery();
$this->_total = $this->_getListCount($query);
}
return $this->_total;
}
/**
* Method to get the starting number of items for the data set.
*
* @return int The starting number of items available in the data set.
* @since 2.0
*/
public function getStart()
{
$start = $this->getState('list.start');
$limit = $this->getState('list.limit');
$total = $this->getTotal();
if($start > $total - $limit)
{
$start = max(0, (int)(ceil($total / $limit) - 1) * $limit);
}
return $start;
}
/**
* Method to auto-populate the model state.
*
* Note. Calling getState in this method will result in recursion.
*
* @param string An optional ordering field.
* @param string An optional direction (asc|desc).
* @return void
* @since 2.0
*/
protected function populateState($ordering = 'a.ordering', $direction = 'ASC')
{
$search = $this->getUserStateFromRequest('joom.images.filter.search', 'filter_search');
$this->setState('filter.search', $search);
$access = $this->getUserStateFromRequest('joom.images.filter.access', 'filter_access', '');
$this->setState('filter.access', $access);
$published = $this->getUserStateFromRequest('joom.images.filter.state', 'filter_state', 0, 'int');
$this->setState('filter.state', $published);
$type = $this->getUserStateFromRequest('joom.images.filter.type', 'filter_type', 0, 'int');
$this->setState('filter.type', $type);
$category = $this->getUserStateFromRequest('joom.images.filter.category', 'filter_category', '');
$this->setState('filter.category', $category);
$owner = $this->getUserStateFromRequest('joom.images.filter.owner', 'filter_owner', '');
$this->setState('filter.owner', $owner);
$value = $this->getUserStateFromRequest('global.list.limit', 'limit', $this->_mainframe->getCfg('list_limit'));
$limit = $value;
$this->setState('list.limit', $limit);
$value = $this->getUserStateFromRequest('joom.images.limitstart', 'limitstart', 0);
$limitstart = ($limit != 0 ? (floor($value / $limit) * $limit) : 0);
$this->setState('list.start', $limitstart);
// Check if the ordering field is in the white list, otherwise use the incoming value
$value = $this->getUserStateFromRequest('joom.images.ordercol', 'filter_order', $ordering);
if(!in_array($value, $this->filter_fields))
{
$value = $ordering;
$this->_mainframe->setUserState('joom.images.ordercol', $value);
}
$this->setState('list.ordering', $value);
// Check if the ordering direction is valid, otherwise use the incoming value
$value = $this->getUserStateFromRequest('joom.images.orderdirn', 'filter_order_Dir', $direction);
if(!in_array(strtoupper($value), array('ASC', 'DESC', '')))
{
$value = $direction;
$this->_mainframe->setUserState('joom.images.orderdirn', $value);
}
$this->setState('list.direction', $value);
if($search || $access || $published || $type || $category || $owner)
{
$this->setState('filter.inuse', 1);
}
}
/**
* Method to delete one or more images
*
* @return int Number of successfully deleted images, boolean false if an error occured
* @since 1.5.5
*/
public function delete()
{
jimport('joomla.filesystem.file');
$cids = JRequest::getVar('cid', array(), '', 'array');
$row = $this->getTable('joomgalleryimages');
if(!count($cids))
{
$this->setError(JText::_('COM_JOOMGALLERY_COMMON_MSG_NO_IMAGES_SELECTED'));
return false;
}
$count = 0;
// Loop through selected images
foreach($cids as $cid)
{
if(!$this->_user->authorise('core.delete', _JOOM_OPTION.'.image.'.$cid))
{
$this->setError(JText::plural('COM_JOOMGALLERY_IMGMAN_ERROR_DELETE_NOT_PERMITTED', 1));
continue;
}
$row->load($cid);
// Database query to check if there are other images which this
// thumbnail is assigned to and how many of them exist
$query = $this->_db->getQuery(true)
->select('COUNT(id)')
->from(_JOOM_TABLE_IMAGES)
->where("imgthumbname = '".$row->imgthumbname."'")
->where('id != '.$row->id)
->where('catid = '.$row->catid);
$this->_db->setQuery($query);
$thumb_count = $this->_db->loadResult();
// Database query to check if there are other images which this
// detail image is assigned to and how many of them exist
$query->clear('where')
->where("imgfilename = '".$row->imgfilename."'")
->where('id != '.$row->id)
->where('catid = '.$row->catid);
$this->_db->setQuery($query);
$img_count = $this->_db->loadResult();
// Delete the thumbnail if there are no other images
// in the same category assigned to it
if(!$thumb_count)
{
$thumb = $this->_ambit->getImg('thumb_path', $row);
if(!JFile::delete($thumb))
{
// If thumbnail is not deleteable raise an error message and abort
JError::raiseWarning(100, JText::sprintf('COM_JOOMGALLERY_IMGMAN_MSG_COULD_NOT_DELETE_THUMB', $thumb));
return false;
}
}
// Delete the detail image if there are no other detail and
// original images from the same category assigned to it
if(!$img_count)
{
$img = $this->_ambit->getImg('img_path', $row);
if(!JFile::delete($img))
{
// If detail image is not deleteable raise an error message and abort
JError::raiseWarning(100, JText::sprintf('COM_JOOMGALLERY_IMGMAN_MSG_COULD_NOT_DELETE_IMG', $img));
return false;
}
// Original exists?
$orig = $this->_ambit->getImg('orig_path', $row);
if(JFile::exists($orig))
{
// Delete it
if(!JFile::delete($orig))
{
// If original is not deleteable raise an error message and abort
JError::raiseWarning(100, JText::sprintf('COM_JOOMGALLERY_IMGMAN_MSG_COULD_NOT_DELETE_ORIG', $orig));
return false;
}
}
}
// Delete the corresponding database entries of the comments
$query = $this->_db->getQuery(true)
->delete()
->from(_JOOM_TABLE_COMMENTS)
->where('cmtpic = '.$cid);
$this->_db->setQuery($query);
if(!$this->_db->query())
{
JError::raiseWarning(100, JText::sprintf('COM_JOOMGALLERY_MAIMAN_MSG_NOT_DELETE_COMMENTS', $cid));
}
// Delete the corresponding database entries of the name tags
$query = $this->_db->getQuery(true)
->delete()
->from(_JOOM_TABLE_NAMESHIELDS)
->where('npicid = '.$cid);
$this->_db->setQuery($query);
if(!$this->_db->query())
{
JError::raiseWarning(100, JText::sprintf('COM_JOOMGALLERY_MAIMAN_MSG_NOT_DELETE_NAMETAGS', $cid));
}
// Delete the database entry of the image
if(!$row->delete())
{
JError::raiseWarning(100, JText::sprintf('COM_JOOMGALLERY_MAIMAN_MSG_NOT_DELETE_IMAGE_DATA', $cid));
return false;
}
$this->_mainframe->triggerEvent('onContentAfterDelete', array(_JOOM_OPTION.'.image', $row));
// Image successfully deleted
$count++;
$row->reorder('catid = '.$row->catid);
}
return $count;
}
/**
* Publishes/unpublishes or approves/rejects one or more images
*
* @param array $cid An array of image IDs to work with
* @param int $publish 1 for publishing and approving, 0 otherwise
* @param string $task 'publish' for publishing/unpublishing, anything else otherwise
* @return int The number of successfully edited images, boolean false if an error occured
* @since 1.5.5
*/
public function publish($cid, $publish = 1, $task = 'publish')
{
JArrayHelper::toInteger($cid);
$publish = intval($publish);
$count = count($cid);
$row = $this->getTable('joomgalleryimages');
$column = 'approved';
if($task == 'publish')
{
$column = 'published';
}
foreach($cid as $id)
{
$row->load($id);
$row->$column = $publish;
if(!$row->check())
{
$count--;
continue;
}
if(!$row->store())
{
$count--;
continue;
}
// If publishing or unpublishung wasn't successful, decrease the
// counter of successfully published or unpublished images
if($row->$column != $publish)
{
$count--;
}
}
return $count;
}
/**
* Recreates thumbnails of the selected images.
* If original image is existent, detail image will be recreated, too.
*
* @return array An array of result information (thumbnail number, detail image number, array with information which image types have been recreated)
* @since 1.5.5
*/
public function recreate()
{
jimport('joomla.filesystem.file');
$cids = $this->_mainframe->getUserStateFromRequest('joom.recreate.cids', 'cid', array(), 'array');
$type = $this->_mainframe->getUserStateFromRequest('joom.recreate.type', 'type', '', 'cmd');
$thumb_count = $this->_mainframe->getUserState('joom.recreate.thumbcount');
$img_count = $this->_mainframe->getUserState('joom.recreate.imgcount');
$recreated = $this->_mainframe->getUserState('joom.recreate.recreated');
$row = $this->getTable('joomgalleryimages');
// Before first loop check for selected images
if(is_null($thumb_count) && !count($cids))
{
$this->setError(JText::_('COM_JOOMGALLERY_COMMON_MSG_NO_IMAGES_SELECTED'));
return array(false);
}
if(is_null($recreated))
{
$recreated = array();
}
require_once JPATH_COMPONENT.DS.'helpers'.DS.'refresher.php';
$refresher = new JoomRefresher(array('controller' => 'images', 'task' => 'recreate', 'remaining' => count($cids), 'start' => JRequest::getBool('cid')));
$debugoutput = '';
// Loop through selected images
foreach($cids as $key => $cid)
{
$row->load($cid);
$orig = $this->_ambit->getImg('orig_path', $row);
$img = $this->_ambit->getImg('img_path', $row);
$thumb = $this->_ambit->getImg('thumb_path', $row);
// Check if there is an original image
if(JFile::exists($orig))
{
$orig_existent = true;
}
else
{
// If not, use detail image to create thumbnail
$orig_existent = false;
if(JFile::exists($img))
{
$orig = $img;
}
else
{
JError::raiseWarning(100, JText::sprintf('COM_JOOMGALLERY_IMGMAN_MSG_IMAGE_NOT_EXISTENT', $img));
$this->_mainframe->setUserState('joom.recreate.cids', array());
$this->_mainframe->setUserState('joom.recreate.imgcount', null);
$this->_mainframe->setUserState('joom.recreate.thumbcount', null);
$this->_mainframe->setUserState('joom.recreate.recreated', null);
return false;
}
}
// Recreate thumbnail
if(!$type || $type == 'thumb')
{
// TODO: Move image into a trash instead of deleting immediately for possible rollback
if(JFile::exists($thumb))
{
JFile::delete($thumb);
}
$return = JoomFile::resizeImage($debugoutput,
$orig,
$thumb,
$this->_config->get('jg_useforresizedirection'),
$this->_config->get('jg_thumbwidth'),
$this->_config->get('jg_thumbheight'),
$this->_config->get('jg_thumbcreation'),
$this->_config->get('jg_thumbquality'),
false,
$this->_config->get('jg_cropposition')
);
if(!$return)
{
JError::raiseWarning(100, JText::sprintf('COM_JOOMGALLERY_IMGMAN_MSG_COULD_NOT_CREATE_THUMB', $thumb));
$this->_mainframe->setUserState('joom.recreate.cids', array());
$this->_mainframe->setUserState('joom.recreate.thumbcount', null);
$this->_mainframe->setUserState('joom.recreate.imgcount', null);
$this->_mainframe->setUserState('joom.recreate.recreated', null);
return false;
}
//$this->_mainframe->enqueueMessage(JText::sprintf('COM_JOOMGALLERY_IMGMAN_MSG_SUCCESSFULLY_CREATED_THUMB', $row->id, $row->imgtitle));
$recreated[$cid][] = 'thumb';
$thumb_count++;
}
// Recreate detail image if original image is existent
if($orig_existent && (!$type || $type == 'img'))
{
// TODO: Move image into a trash instead of deleting immediately for possible rollback
if(JFile::exists($img))
{
JFile::delete($img);
}
$return = JoomFile::resizeImage($debugoutput,
$orig,
$img,
false,
$this->_config->get('jg_maxwidth'),
false,
$this->_config->get('jg_thumbcreation'),
$this->_config->get('jg_picturequality'),
true,
0
);
if(!$return)
{
JError::raiseWarning(100, JText::sprintf('COM_JOOMGALLERY_IMGMAN_MSG_COULD_NOT_CREATE_IMG', $img));
$this->_mainframe->setUserState('joom.recreate.cids', array());
$this->_mainframe->setUserState('joom.recreate.thumbcount', null);
$this->_mainframe->setUserState('joom.recreate.imgcount', null);
$this->_mainframe->setUserState('joom.recreate.recreated', null);
return false;
}
//$this->_mainframe->enqueueMessage(JText::sprintf('COM_JOOMGALLERY_IMGMAN_MSG_SUCCESSFULLY_CREATED_IMG', $row->id, $row->imgtitle));
$recreated[$cid][] = 'img';
$img_count++;
}
unset($cids[$key]);
// Check remaining time
if(!$refresher->check())
{
$this->_mainframe->setUserState('joom.recreate.cids', $cids);
$this->_mainframe->setUserState('joom.recreate.thumbcount', $thumb_count);
$this->_mainframe->setUserState('joom.recreate.imgcount', $img_count);
$this->_mainframe->setUserState('joom.recreate.recreated', $recreated);
$refresher->refresh(count($cids));
}
}
$this->_mainframe->setUserState('joom.recreate.cids', array());
$this->_mainframe->setUserState('joom.recreate.type', null);
$this->_mainframe->setUserState('joom.recreate.thumbcount', null);
$this->_mainframe->setUserState('joom.recreate.imgcount', null);
$this->_mainframe->setUserState('joom.recreate.recreated', null);
return array($thumb_count, $img_count, $recreated);
}
/**
* Returns the query for listing the images
*
* @return string The query to be used to retrieve the images data from the database
* @since 1.5.5
*/
protected function _buildQuery()
{
// Create a new query object
$query = $this->_db->getQuery(true);
// Select the required fields from the table
$query->select('a.*')
->from(_JOOM_TABLE_IMAGES.' AS a');
// Join over the categories
$query->select('c.cid AS category, c.name AS category_name')
->leftJoin(_JOOM_TABLE_CATEGORIES.' AS c ON c.cid = a.catid');
// Join over the access levels
$query->select('v.title AS access_level')
->leftJoin('#__viewlevels AS v ON v.id = a.access');
// Join over the users
$query->leftJoin('#__users AS u ON u.id = a.owner');
// Join over the categories again in order to check access levels
if(!$this->_user->authorise('core.admin'))
{
$query->leftJoin(_JOOM_TABLE_CATEGORIES.' AS p ON c.lft BETWEEN p.lft AND p.rgt')
->select('c.level')
->where('p.access IN ('.implode(',', $this->_user->getAuthorisedViewLevels()).')')
->group('a.id')
->having('COUNT(p.cid) > c.level')
// Access level check for the image and the category the image is in
->where('a.access IN ('.implode(',', $this->_user->getAuthorisedViewLevels()).')')
->where('c.access IN ('.implode(',', $this->_user->getAuthorisedViewLevels()).')');
}
// Filter by access level
if($access = $this->getState('filter.access'))
{
$query->where('a.access = '.(int) $access);
}
// Filter by owner
$owner = $this->getState('filter.owner');
if($owner !== '')
{
$query->where('a.owner = '.(int) $owner);
}
// Filter by category
if($category = $this->getState('filter.category'))
{
$query->where('a.catid = '.(int) $category);
}
// Filter by state
$published = $this->getState('filter.state');
switch($published)
{
case 1:
// Published
$query->where('a.published = 1');
break;
case 2:
// Not published
$query->where('a.published = 0');
break;
case 3:
// Approved
$query->where('a.approved = 1');
break;
case 4:
// Not approved / rejected
$query->where('a.approved = 0');
break;
default:
// No filter by state
break;
}
// Filter by type
$type = $this->getState('filter.type');
switch($type)
{
case 1:
// User images
$query->where('a.owner != 0');
break;
case 2:
// Administrator images
$query->where('a.owner = 0');
break;
default:
// No filter by type
break;
}
// Filter by search
$search = $this->getState('filter.search');
if(!empty($search))
{
if(stripos($search, 'id:') === 0)
{
$query->where('a.id = '.(int) substr($search, 3));
}
else
{
if(stripos($search, 'author:') === 0)
{
$search = $this->_db->Quote('%'.$this->_db->getEscaped(substr($search, 7), true).'%');
$query->where('(u.name LIKE '.$search.' OR u.username LIKE '.$search.')');
}
else
{
$search = $this->_db->Quote('%'.$this->_db->getEscaped($search, true).'%');
$query->where('(a.imgtitle LIKE '.$search.' OR a.alias LIKE '.$search.' OR LOWER(a.imgtext) LIKE '.$search.')');
}
}
}
// Add the order clause
$orderCol = $this->state->get('list.ordering');
$orderDirn = $this->state->get('list.direction');
if($orderCol == 'a.ordering' || $orderCol == 'category_name')
{
$orderCol = 'category_name '.$orderDirn.', a.ordering';
}
$query->order($this->_db->getEscaped($orderCol.' '.$orderDirn));
return $query;
}
/**
* Gets the value of a user state variable and sets it in the session
* This is the same as the method in JApplication except that this also can optionally
* force you back to the first page when a filter has changed
*
* @param string $key The key of the user state variable
* @param string $request The name of the variable passed in a request
* @param string $default The default value for the variable if not found (optional)
* @param string $type Filter for the variable, for valid values see {@link JFilterInput::clean()} (optional)
* @param boolean $resetPage If true, the limitstart in request is set to zero if the state has changed
* @return The requested user state
* @since 2.0
*/
public function getUserStateFromRequest($key, $request, $default = null, $type = 'none', $resetPage = true)
{
$app = JFactory::getApplication();
$old_state = $app->getUserState($key);
$cur_state = (!is_null($old_state)) ? $old_state : $default;
$new_state = JRequest::getVar($request, null, 'default', $type);
if($cur_state != $new_state && $resetPage)
{
JRequest::setVar('limitstart', 0);
}
// Save the new value only if it was set in this request.
if($new_state !== null)
{
$app->setUserState($key, $new_state);
}
else
{
$new_state = $cur_state;
}
return $new_state;
}
}