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<?php
// $HeadURL: https://joomgallery.org/svn/joomgallery/JG-1.5/JG/trunk/components/com_joomgallery/helpers/helper.php $
// $Id: helper.php 3092 2011-05-20 09:56:58Z aha $
/****************************************************************************************\
** JoomGallery 1.5.7 **
** By: JoomGallery::ProjectTeam **
** Copyright (C) 2008 - 2011 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.');
/**
* JoomGallery Global Helper
*
* @static
* @package JoomGallery
* @since 1.5.5
*/
class JoomHelper
{
/**
* Fix text for output in JavaScript Code
*
* @access public
* @param string $text The text to fix
* @return string The fixed text
* @since 1.0.0
*/
function fixForJS($text)
{
$text = str_replace("\"", "\"", $text);
$text = str_replace("'", "\'", $text);
$text = preg_replace('/[\n\t\r]*/', '', $text);
return $text;
}
/**
* Wrap text
*
* @access public
* @param string $text The text to wrap
* @param int $nr Number of chars to wrap
* @return string The wrapped text
* @since 1.0.0
*/
function processText($text, $nr = 40)
{
$mytext = explode(' ', trim($text));
$newtext = array();
$config = & JoomConfig::getInstance();
foreach($mytext as $k => $txt)
{
if(strlen($txt) > $nr)
{
// Do not wrap BBcode [url] and [email]
if(
!$config->get('jg_bbcodesupport')
|| ( stripos($txt,'[url') === false && stripos($txt,'[/url]') === false
&& stripos($txt,'[email') === false && stripos($txt,'[/email]') === false
)
)
{
$txt = wordwrap($txt, $nr, '- ', true);
}
}
$newtext[] = $txt;
}
return implode(' ', $newtext);
}
/**
* Reads the category path from array
* If not set read database and add to array
*
* @access public
* @param int $catid The ID of the category of which the catpath is requested
* @return string The catpath of the category
* @since 1.0.0
*/
function getCatPath($catid)
{
static $catpath = array();
if(!isset($catpath[$catid]))
{
$database = & JFactory::getDBO();
$database->setQuery(" SELECT
catpath
FROM
"._JOOM_TABLE_CATEGORIES."
WHERE
cid= ".$catid
);
if(!$path = $database->loadResult())
{
$catpath[$catid] = '/';
}
else
{
$catpath[$catid] = $path.'/';
}
}
return $catpath[$catid];
}
/**
* Check the upload time of image and determine if it is within a setted span
* of time and so marked as NEW
*
* @access public
* @param int $uptime Upload time in seconds
* @param int $daysnew Span of time in days
* @return string The HTML output of the new icon or empty string
* @since 1.0.0
*/
function checkNew($uptime, $daysnew)
{
$isnew = '';
// Get the seconds from starting time of Unix Epoch (January 1 1970 00:00:00 GMT)
// to now in seconds
$thistime = time();
// Calculate the seconds according to days setted for new
// See configuration manager
$timefornew = 86400 * $daysnew;
// If span of time since upload is lower than span of time setted in config
if(($thistime - strtotime($uptime)) < $timefornew)
{
// Show the 'new' image
$isnew = JHTML::_('joomgallery.icon', 'new.png', 'New');
}
return $isnew;
}
/**
* Checks images of category and possibly sub-categories
* and calls checkNew() to decide if NEW
*
* @access public
* @param string $catids_values IDs of categories ('x,y')
* @return string HTML output of the new icon or empty string
* @since 1.0.0
*/
function checkNewCatg($cid)
{
$config = & JoomConfig::getInstance();
$db = & JFactory::getDBO();
$user = & JFactory::getUser();
$isnewcat = '';
// Get all sub-categories including the current category
$catids = JoomHelper::getAllSubCategories($cid, true);
if(count($catids))
{
// Implode array to a comma separated string if more than one element in array
$catid_values = implode(',', $catids);
// Search in db the categories in $catids_values
$db->setQuery( "SELECT
MAX(imgdate)
FROM
"._JOOM_TABLE_IMAGES." AS a
LEFT JOIN
"._JOOM_TABLE_CATEGORIES." AS c
ON
c.cid = a.catid
WHERE
a.catid IN ($catid_values)
");
$maxdate = $db->loadResult();
if($db->getErrorNum())
{
JError::raiseWarning(500, $db->getErrorMsg());
}
// If maxdate = NULL no image found
// Otherwise check the date to 'new'
if($maxdate)
{
$isnewcat = JoomHelper::checkNew($maxdate, $config->get('jg_catdaysnew'));
}
}
// If no new found at all
// Return empty string
return $isnewcat;
}
/**
* Construct page title
*
* @access public
* @param string $text The structure of the page title to use
* @param string $catname The name of the category which is currently displayed
* or in which the currently displayed image is
* @param string $imgtitle The name of the image which is currently displayed
* @return string modified title
* @since 1.0.0
*/
function createPagetitle($text, $catname = '', $imgtitle = '')
{
preg_match_all('/(\[\!.*?\!\])/i', $text, $results);
define('JGS_COMMON_CATEGORY', JText::_('JGS_COMMON_CATEGORY'));
define('JGS_COMMON_IMAGE', JText::_('JGS_COMMON_IMAGE'));
for($i = 0; $i<count($results[0]); $i++)
{
$replace = str_replace('[!', '', $results[0][$i]);
$replace = str_replace('!]', '', $replace);
$replace = trim($replace);
$replace2 = str_replace('[!', '\[\!', $results[0][$i]);
$replace2 = str_replace('!]', '\!\]', $replace2);
$text = preg_replace('/('.$replace2.')/ie', $replace, $text);
}
$text = str_replace('#cat', $catname, $text);
$text = str_replace('#img', $imgtitle, $text);
return $text;
}
/**
* Returns all categories and their sub-categories with published or no images
*
* @access public
* @param int $cat Category ID
* @param boolean $rootcat True, if $cat shall also be returned as an
* element of the array
* @param boolean $noimgcats True if @return shall also include categories
* with no images
* @param boolean $all True if all categories shall be selected, defaults to false
* @param boolean $nohiddencats True, if hidden categories and it's subcategories should be
* filtered out, defaults to true
* @return array An array of found categories
* @since 1.5.5
*/
function getAllSubCategories($cat, $rootcat = false, $noimgcats = false, $all = false, $nohiddencats = true)
{
$cat = (int) $cat;
$parentcats = array();
$parentcats[$cat] = true;
$branchfound = false;
$allsubcats = array();
// Get category structure from ambit
$ambit = JoomAmbit::getInstance();
$cats = $ambit->getCategoryStructure($all);
// Determine start index in separate loop for better performance
$startindex = 0;
$stopindex = count($cats);
$catfound = false;
for($i = 0; $i < $stopindex; $i++)
{
if($cats[$i]->cid == $cat)
{
$startindex = $i;
$catfound = true;
break;
}
}
if (!$catfound)
{
return $allsubcats;
}
// Find all cats which are subcategories of cat
$hidden = array();
for($i = $startindex + 1; $i < $stopindex; $i++)
{
$parentcat = $cats[$i]->parent;
if(isset($parentcats[$parentcat]))
{
$parentcat = $cats[$i]->cid;
$parentcats[$parentcat] = true;
$branchfound = true;
// Don't include hidden sub-categories
if($nohiddencats)
{
if($cats[$i]->hidden)
{
$hidden[$cats[$i]->cid] = true;
}
else
{
if(isset($hidden[$cats[$i]->parent]))
{
$hidden[$cats[$i]->cid] = true;
}
}
}
if(!isset($hidden[$cats[$i]->cid]))
{
if(!$noimgcats)
{
// Only categories with images
if($cats[$i]->piccount > 0)
{
// Subcategory with images in array
$allsubcats[] = $cats[$i]->cid;
}
}
else
{
$allsubcats[] = $cats[$i]->cid;
}
}
}
else
{
if($branchfound)
{
// Branch has been processed completely
break;
}
}
}
// Add rootcat
if($rootcat)
{
if(!$noimgcats)
{
// Includes images
if($cats[$startindex]->piccount > 0)
{
$allsubcats[] = $cat;
}
}
else
{
$allsubcats[] = $cat;
}
}
return $allsubcats;
}
/**
* Returns all parent categories of a specific category
*
* @access public
* @param int $category The ID of the specific child category
* @param boolean $child True, if category itself shall also be returned, defaults to false
* @param boolean $all True if all categories shall be shown, defaults to false
* @return array An array of parent category objects with cid,name,parent
* @since 1.5.5
*/
function getAllParentCategories($category, $child = false, $all = false)
{
// Get category structure from ambit
$ambit = JoomAmbit::getInstance();
$cats = $ambit->getCategoryStructure($all);
$parents = array();
$stopindex = count($cats);
$startindex = 0;
// Search for category in $cats
for($x = 0; $x < $stopindex ; $x++)
{
if($cats[$x]->cid == $category)
{
$startindex = $x;
// Insert category itself in array if needed
if($child)
{
$parents[$category]->cid = $category;
$parents[$category]->name = $cats[$x]->name;
$parents[$category]->parent = $cats[$x]->parent;
$parents[$category]->published = $cats[$x]->published;
}
}
}
$parentcat = $cats[$startindex]->parent;
// Iterate reverse from precedor of cat in $startindex to find the parents
for($x = $stopindex-1; $x >= 0; $x--)
{
// Parent found
if ($cats[$x]->cid == $parentcat)
{
$parents[$cats[$x]->cid]->cid = $cats[$x]->cid;
$parents[$cats[$x]->cid]->name = $cats[$x]->name;
$parents[$cats[$x]->cid]->parent = $cats[$x]->parent;
$parents[$cats[$x]->cid]->published = $cats[$x]->published;
$parentcat = $cats[$x]->parent;
// Rootparent found
if ($parentcat == 0)
{
break;
}
}
}
// Reverse the array to get the right order
$parents = array_reverse($parents, true);
return $parents;
}
/**
* Returns all available smileys in an array
*
* @access public
* @return array An array with the smileys
* @since 1.5.0
*/
function getSmileys()
{
$config = & JoomConfig::getInstance();
$path = 'components/com_joomgallery/assets/images/smilies/'.$config->jg_smiliescolor.'/';
$smileys = array();
$smileys[':smile:'] = $path.'sm_smile.gif';
$smileys[':cool:'] = $path.'sm_cool.gif';
$smileys[':grin:'] = $path.'sm_biggrin.gif';
$smileys[':wink:'] = $path.'sm_wink.gif';
$smileys[':none:'] = $path.'sm_none.gif';
$smileys[':mad:'] = $path.'sm_mad.gif';
$smileys[':sad:'] = $path.'sm_sad.gif';
$smileys[':dead:'] = $path.'sm_dead.gif';
if($config->get('jg_anismilie'))
{
$smileys[':yes:'] = $path.'sm_yes.gif';
$smileys[':lol:'] = $path.'sm_laugh.gif';
$smileys[':smilewinkgrin:'] = $path.'sm_smilewinkgrin.gif';
$smileys[':razz:'] = $path.'sm_bigrazz.gif';
$smileys[':roll:'] = $path.'sm_rolleyes.gif';
$smileys[':eek:'] = $path.'sm_bigeek.gif';
$smileys[':no:'] = $path.'sm_no.gif';
$smileys[':cry:'] = $path.'sm_cry.gif';
}
$dispatcher = & JDispatcher::getInstance();
$dispatcher->trigger('onJoomGetSmileys', array(&$smileys));
return $smileys;
}
/**
* At the moment just a wrapper function for JModuleHelper::getModules()
*
* @access public
* @param string $pos The position name
* @return array An array of module objects
* @since 1.5.0
*/
function getModules($pos)
{
$view = JRequest::getCmd('view');
$position = 'jg_'.$pos;
$modules = & JModuleHelper::getModules($position);
$views = array( '' => 'gal',
'gallery' => 'gal',
'category' => 'cat',
'detail' => 'dtl',
'toplist' => 'tpl',
'search' => 'sea',
'favourites' => 'fav',
'userpanel' => 'usp',
'upload' => 'upl'
);
if(isset($views[$view]))
{
$position = $position.'_'.$views[$view];
$ind_mods = & JModuleHelper::getModules($position);
$modules = array_merge($modules, $ind_mods);
}
$ind_mods = & JModuleHelper::getModules($position.'_'.$view);
$modules = array_merge($modules, $ind_mods);
return $modules;
}
/**
* Renders modules provided by getModules()
*
* @access public
* @param string $pos The position name
* @return array An array of rendered modules
* @since 1.5.5
*/
function getRenderedModules($pos)
{
static $renderer;
$modules = JoomHelper::getModules($pos);
if(count($modules))
{
if(!isset($renderer))
{
$document = &JFactory::getDocument();
$renderer = $document->loadRenderer('module');
}
$style = -2;
$params = array('style' => $style);
foreach($modules as $key => $module)
{
$modules[$key]->rendered = $renderer->render($module, $params);
}
}
return $modules;
}
/**
* Sets all params for the output depending on the view and the config settings
*
* @access public
* @param $params The parameter object
* @return void
* @since 1.5.5
*/
function prepareParams(&$params)
{
$config = & JoomConfig::getInstance();
$user = & JFactory::getUser();
$view = JRequest::getCmd('view');
// Gallery Title
if(!JRequest::getInt('Itemid') && $config->get('jg_showgalleryhead'))
{
$params->set('show_page_title', 1);
}
// Pathway
if(!$params->get('disable_global_info') && ($view != 'gallery' || $config->get('jg_showgallerysubhead')))
{
// Pathway in the header
if($config->get('jg_showpathway') == 1 || $config->get('jg_showpathway') == 3)
{
$params->set('show_header_pathway', 1);
}
// Pathway in the footer
if($config->get('jg_showpathway') >= 2)
{
$params->set('show_footer_pathway', 1);
}
}
// Search in the header
if(!$params->get('disable_global_info') && ($config->get('jg_search') == 1 || $config->get('jg_search') == 3))
{
$params->set('show_header_search', 1);
}
//Search in the footer
if(!$params->get('disable_global_info') && $config->get('jg_search') >= 2)
{
$params->set('show_footer_search', 1);
}
// Backlink in the header
if(!$params->get('disable_global_info') && ($config->get('jg_showbacklink') == 1 || $config->get('jg_showbacklink') == 3))
{
$params->set('show_header_backlink', 1);
}
// Backlink in the footer
if(!$params->get('disable_global_info') && $config->get('jg_showbacklink') >= 2)
{
$params->set('show_footer_backlink', 1);
}
// All images
if(!$params->get('disable_global_info'))
{
// All Images in the header
if($config->get('jg_showallpics') == 1 || $config->get('jg_showallpics') == 3)
{
$params->set('show_header_allpics', 1);
}
// All Images in the footer
if($config->get('jg_showallpics') >= 2)
{
$params->set('show_footer_allpics', 1);
}
}
// All hits
if(!$params->get('disable_global_info'))
{
// All Hits in the header
if($config->get('jg_showallhits') == 1 || $config->get('jg_showallhits') == 3)
{
$params->set('show_header_allhits', 1);
}
// All Hits in the footer
if($config->get('jg_showallhits') >= 2)
{
$params->set('show_footer_allhits', 1);
}
}
// Link to userpanel in the header
if(!$params->get('disable_global_info') && $config->get('jg_userspace') == 1)
{
if( (($config->get('jg_showuserpanel') == 1) && ($user->get('aid') > 0))
|| (($config->get('jg_showuserpanel') > 0 ) && ($user->get('aid') == 2))
|| ($config->get('jg_showuserpanel') == 3)
)
{
if($user->get('aid') != 0)
{
$params->set('show_mygal', 1);
}
else
{
$params->set('show_mygal_no_access', 1);
}
}
}
// Link to favourites in the header
if(!$params->get('disable_global_info') && $config->get('jg_favourites'))
{
if($view != 'favourites')
{
if( (($config->get('jg_showdetailfavourite') == 0) && ($user->get('aid') >= 1))
|| (($config->get('jg_showdetailfavourite') == 1) && ($user->get('aid') == 2))
|| (($config->get('jg_usefavouritesforpubliczip') == 1) && ($user->get('aid') < 1))
)
{
if( ($config->get('jg_usefavouritesforzip') == 1)
|| (($config->get('jg_usefavouritesforpubliczip') == 1) && ($user->get('aid') < 1))
)
{
$params->set('show_favourites', 1);
}
else
{
$tooltip_text = JText::_('JGS_COMMON_FAVOURITES_DOWNLOAD_TIPTEXT', true);
if($config->get('jg_zipdownload') && $view != 'createzip')
{
$tooltip_text .= ' '.JText::_('JGS_COMMON_DOWNLOADZIP_DOWNLOAD_ALLOWED_TIPTEXT', true);
}
$params->set('show_favourites', 2);
$params->set('favourites_tooltip_text', $tooltip_text);
}
}
else
{
if(($config->get('jg_favouritesshownotauth') == 1/*) && ($user->get('aid') < 1*/))
{
if($config->get('jg_usefavouritesforzip') == 1)
{
$params->set('show_favourites', 3);
}
else
{
$params->set('show_favourites', 4);
}
}
}
}
else
{
if( $config->get('jg_zipdownload')
|| ($user->get('id') < 1 && $config->get('jg_usefavouritesforpubliczip'))
)
{
$params->set('show_favourites', 5);
}
}
}
// Toplist
if( ( $config->get('jg_whereshowtoplist') == 0
|| ($config->get('jg_whereshowtoplist') > 0 && $view == 'gallery')
|| ($config->get('jg_whereshowtoplist') == 2 && $view == 'category')
)
&&
!$params->get('disable_global_info')
)
{
// Toplist in the header
if( $config->get('jg_showtoplist') > 0
&& $config->get('jg_showtoplist') < 3
)
{
$params->set('show_header_toplist', 1);
}
// Toplist in the footer
if($config->get('jg_showtoplist') > 1)
{
$params->set('show_footer_toplist', 1);
}
}
// RM/SM Legend in the footer
if($config->get('jg_rmsm') == 1 && ($view == 'gallery' || $view == 'category'))
{
$params->set('show_rmsm_legend', 1);
}
// Separator in the footer
if($view == 'detail' || $view == 'favourites' || $view == 'search' || $view == 'toplist')
{
$params->set('show_footer_separator', 1);
}
// Credits in the footer
if($config->get('jg_suppresscredits'))
{
$params->set('show_credits', 1);
}
}
/**
* Creates the target and the label of the backlinks
*
* @TODO: All the queries in this function are unnecessary,
* because all the information is already loaded in the models
*
* @access public
* @param object $params The parameter object
* @param int $id ID of the current category if we are in category view, ID of current image if we are in detail view
* @return array 0 => target, 1 => label
* @since 1.5.5
*/
function getBackLink(&$params, $id = 0)
{
$database = & JFactory::getDBO();
$view = JRequest::getCmd('view');
// Disable backlink in gallery view
if($view == 'gallery')
{
$params->set('show_header_backlink', 0);
$params->set('show_footer_backlink', 0);
}
if($view == 'category')
{
// Sub-category and category view
$query = " SELECT
parent
FROM
"._JOOM_TABLE_CATEGORIES."
WHERE
cid = ".$id."
";
$database->setQuery($query);
$catid = $database->loadResult();
if($catid != 0)
{
// Sub-category -> parent category
$target = JRoute::_('index.php?view=category&catid='.$catid);
$label = JText::_('JGS_COMMON_BACK_TO_CATEGORY');
}
else
{
// Category view -> gallery view
$target = JRoute::_('index.php?view=gallery');
$label = JText::_('JGS_COMMON_BACK_TO_GALLERY');
}
}
else
{
if($view == 'detail')
{
// Detail view -> category view
$query = " SELECT
catid
FROM
"._JOOM_TABLE_IMAGES."
WHERE
id = ".$id."
";
$database->setQuery($query);
$catid = $database->loadResult();
$target = JRoute::_('index.php?view=category&catid='.$catid).'#category';
$label = JText::_('JGS_COMMON_BACK_TO_CATEGORY');
}
else
{
// General
$target = "javascript:history.back();";
$label = JText::_('JGS_COMMON_BACK');
}
}
return array($target, $label);
}
/**
* Counts images and hits in gallery or a category and their sub-categories
*
* @access public
* @param int $cat Category ID or 0 to return images/hits of gallery
* @param boolean $rootcat True to count the images/hits also in category = $cid
* @return array 0 = Number of images in categories->subcategories....
* 1 = Number of hits in categories->subcategories....
* @since 1.5.7
*/
function getNumberOfImgHits($cat = 0, $rootcat = true)
{
$cat = (int) $cat;
$imgHitsarr = array();
$imgcount = 0;
$hitcount = 0;
// Get category structure from ambit
$ambit = JoomAmbit::getInstance();
$cats = $ambit->getCategoryStructure();
if($cat == 0)
{
// Count images/hits in gallery
$catsSize = count($cats);
for($i = 0; $i < $catsSize; $i++)
{
$imgcount += $cats[$i]->piccount;
$hitcount += $cats[$i]->hitcount;
}
}
else
{
// Determine start index in separate loop for better performance
$startindex = 0;
$branchfound = false;
$parentcats = array();
$parentcats[$cat] = true;
$stopindex = count($cats);
for($i = 0; $i < $stopindex; $i++)
{
if($cats[$i]->cid == $cat)
{
$startindex = $i;
if($rootcat)
{
$imgcount += $cats[$i]->piccount;
$hitcount += $cats[$i]->hitcount;
}
break;
}
}
// Count all images in branch
$hidden = array();
for($i = $startindex + 1; $i < $stopindex; $i++)
{
$parentcat = $cats[$i]->parent;
if(isset($parentcats[$parentcat]))
{
$parentcat = $cats[$i]->cid;
$parentcats[$parentcat] = true;
// Don't count images and hits of hidden categories
if($cats[$i]->hidden)
{
$hidden[$cats[$i]->cid] = true;
}
else
{
if(isset($hidden[$cats[$i]->parent]))
{
$hidden[$cats[$i]->cid] = true;
}
}
if(!isset($hidden[$cats[$i]->cid]))
{
$hitcount += $cats[$i]->hitcount;
$imgcount += $cats[$i]->piccount;
}
$branchfound = true;
}
else
{
if($branchfound)
{
// Branch has been processed completely
break;
}
}
}
}
$imgHitsarr[0] = number_format($imgcount, 0, JText::_('JGS_COMMON_DECIMAL_SEPARATOR'), JText::_('JGS_COMMON_THOUSANDS_SEPARATOR'));
$imgHitsarr[1] = number_format($hitcount, 0, JText::_('JGS_COMMON_DECIMAL_SEPARATOR'), JText::_('JGS_COMMON_THOUSANDS_SEPARATOR'));
return $imgHitsarr;
}
/**
* Resort an array of category objects to ensure, that a parent category
* is always listed before it's child categories. The function expects a $cats
* category list, which is already sorted by parent ascending.
*
* @access public
* @param array $cats Array of category objects to resort
* @param array $catssorted Resorted category object array
* @return void
* @since 1.5.5
*/
function sortCategoryList(&$cats, &$catssorted)
{
// First create a two dimensional array containing the child category objects
// for each parent category id
$children = array();
foreach($cats as $cat)
{
$pcid = $cat->parent;
$list = isset($children[$pcid]) ? $children[$pcid] : array();
$list[] = $cat;
$children[$pcid] = $list;
}
// Now resort the given $cats array with the help of the $children array
JoomHelper::sortCategoryListRecurse(0, $children, $catssorted);
}
/**
* Helper function for JoomHelper::sortCategoryList().
*
* @access public
* @param int $catid Category id
* @param array $children Two dimensional array containing the child
* category objects for each parent category id
* @param array $catssorted Resorted category object array
* @return void
* @since 1.5.6
*/
function sortCategoryListRecurse($catid, &$children, &$catssorted)
{
if(isset($children[$catid]))
{
foreach($children[$catid] as $cat)
{
$catssorted[] = $cat;
JoomHelper::sortCategoryListRecurse($cat->cid, $children, $catssorted);
}
}
}
/**
* Returns the rating clause for an SQL - query dependent on the
* rating calculation method selected.
*
* @access public
* @param string $tablealias The table alias to use
* @return string Rating clause
* @since 1.5.6
*/
function getSQLRatingClause($tablealias = '')
{
$db = & JFactory::getDBO();
$config = & JoomConfig::getInstance();
static $avgimgvote = 0.0;
static $avgimgrating = 0.0;
static $avgdone = false;
$maxvoting = $config->get('jg_maxvoting');
$imgvotesum = 'imgvotesum';
$imgvotes = 'imgvotes';
if($tablealias != '')
{
$imgvotesum = $tablealias.'.'.$imgvotesum;
$imgvotes = $tablealias.'.'.$imgvotes;
}
// Standard rating clause
$clause = 'ROUND(LEAST(IF(imgvotes > 0, '.$imgvotesum.'/'.$imgvotes.', 0.0), '.(float)$maxvoting.'), 2)';
// Advanced (weigthed) rating clause (Bayes)
if($config->get('jg_ratingcalctype') == 1)
{
if(!$avgdone)
{
// Needed values for weighted rating calculation
$db->setQuery('SELECT
count(*) As imgcount,
SUM(imgvotes) As sumimgvotes,
SUM(imgvotesum/imgvotes) As sumimgratings
FROM
'._JOOM_TABLE_IMAGES.'
WHERE
imgvotes > 0'
);
$row = $db->loadObject();
if($row != null)
{
if($row->imgcount > 0)
{
$avgimgvote = round($row->sumimgvotes / $row->imgcount, 2 );
$avgimgrating = round($row->sumimgratings / $row->imgcount, 2);
$avgdone = true;
}
}
}
if($avgdone)
{
$clause = 'ROUND(LEAST(IF(imgvotes > 0, (('.$avgimgvote.'*'.$avgimgrating.') + '.$imgvotesum.') / ('.$avgimgvote.' + '.$imgvotes.'), 0.0), '.(float)$maxvoting.'), 2)';
}
}
return $clause;
}
}
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