📄 module.php
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*
* @var array
* @access private
*/
var $_cachedModule_mid = array();
/**
* holds an array of cached module references, indexed by module dirname
*
* @var array
* @access private
*/
var $_cachedModule_dirname = array();
/**
* Create a new {@link XoopsModule} object
*
* @param boolean $isNew Flag the new object as "new"
* @return object
**/
function &create($isNew = true)
{
$module = new XoopsModule();
if ($isNew) {
$module->setNew();
}
return $module;
}
/**
* Load a module from the database
*
* @param int $id ID of the module
*
* @return object FALSE on fail
*/
function &get($id)
{
static $_cachedModule_dirname;
static $_cachedModule_mid;
$id = intval($id);
$module = false;
if ($id > 0) {
if (!empty($_cachedModule_mid[$id])) {
return $_cachedModule_mid[$id];
} else {
$sql = 'SELECT * FROM '.$this->db->prefix('modules').' WHERE mid = '.$id;
if (!$result = $this->db->query($sql)) {
return $module;
}
$numrows = $this->db->getRowsNum($result);
if ($numrows == 1) {
$module = new XoopsModule();
$myrow = $this->db->fetchArray($result);
$module->assignVars($myrow);
$_cachedModule_mid[$id] =& $module;
$_cachedModule_dirname[$module->getVar('dirname')] =& $module;
return $module;
}
}
}
return $module;
}
/**
* Load a module by its dirname
*
* @param string $dirname
*
* @return object FALSE on fail
*/
function &getByDirname($dirname)
{
static $_cachedModule_mid;
static $_cachedModule_dirname;
if (!empty($_cachedModule_dirname[$dirname])) {
return $_cachedModule_dirname[$dirname];
} else {
$module = false;
$sql = "SELECT * FROM ".$this->db->prefix('modules')." WHERE dirname = '".trim($dirname)."'";
if (!$result = $this->db->query($sql)) {
return $module;
}
$numrows = $this->db->getRowsNum($result);
if ($numrows == 1) {
$module = new XoopsModule();
$myrow = $this->db->fetchArray($result);
$module->assignVars($myrow);
$_cachedModule_dirname[$dirname] =& $module;
$_cachedModule_mid[$module->getVar('mid')] =& $module;
}
return $module;
}
}
/**
* Write a module to the database
*
* @param object &$module reference to a {@link XoopsModule}
* @return bool
**/
function insert(&$module)
{
/**
* @TODO: Change to if (!(class_exists($this->className) && $obj instanceof $this->className)) when going fully PHP5
*/
if (!is_a($module, 'xoopsmodule')) {
return false;
}
if (!$module->isDirty()) {
return true;
}
if (!$module->cleanVars()) {
return false;
}
foreach ($module->cleanVars as $k => $v) {
${$k} = $v;
}
if ($module->isNew()) {
$mid = $this->db->genId('modules_mid_seq');
$sql = sprintf("INSERT INTO %s (mid, name, version, last_update, weight, isactive, dirname, hasmain, hasadmin, hassearch, hasconfig, hascomments, hasnotification) VALUES (%u, %s, %u, %u, %u, %u, %s, %u, %u, %u, %u, %u, %u)", $this->db->prefix('modules'), $mid, $this->db->quoteString($name), $version, time(), $weight, 1, $this->db->quoteString($dirname), $hasmain, $hasadmin, $hassearch, $hasconfig, $hascomments, $hasnotification);
} else {
$sql = sprintf("UPDATE %s SET name = %s, dirname = %s, version = %u, last_update = %u, weight = %u, isactive = %u, hasmain = %u, hasadmin = %u, hassearch = %u, hasconfig = %u, hascomments = %u, hasnotification = %u WHERE mid = %u", $this->db->prefix('modules'), $this->db->quoteString($name), $this->db->quoteString($dirname), $version, time(), $weight, $isactive, $hasmain, $hasadmin, $hassearch, $hasconfig, $hascomments, $hasnotification, $mid);
}
if (!$result = $this->db->query($sql)) {
return false;
}
if (empty($mid)) {
$mid = $this->db->getInsertId();
}
$module->assignVar('mid', $mid);
if (!empty($this->_cachedModule_dirname[$dirname])) {
unset ($this->_cachedModule_dirname[$dirname]);
}
if (!empty($this->_cachedModule_mid[$mid])) {
unset ($this->_cachedModule_mid[$mid]);
}
return true;
}
/**
* Delete a module from the database
*
* @param object &$module
* @return bool
**/
function delete(&$module)
{
/**
* @TODO: Change to if (!(class_exists($this->className) && $obj instanceof $this->className)) when going fully PHP5
*/
if (!is_a($module, 'xoopsmodule')) {
return false;
}
$sql = sprintf("DELETE FROM %s WHERE mid = %u", $this->db->prefix('modules'), $module->getVar('mid'));
if ( !$result = $this->db->query($sql) ) {
return false;
}
// delete admin permissions assigned for this module
$sql = sprintf("DELETE FROM %s WHERE gperm_name = 'module_admin' AND gperm_itemid = %u", $this->db->prefix('group_permission'), $module->getVar('mid'));
$this->db->query($sql);
// delete read permissions assigned for this module
$sql = sprintf("DELETE FROM %s WHERE gperm_name = 'module_read' AND gperm_itemid = %u", $this->db->prefix('group_permission'), $module->getVar('mid'));
$this->db->query($sql);
$sql = sprintf("SELECT block_id FROM %s WHERE module_id = %u", $this->db->prefix('block_module_link'), $module->getVar('mid'));
if ($result = $this->db->query($sql)) {
$block_id_arr = array();
while ($myrow = $this->db->fetchArray($result))
{
array_push($block_id_arr, $myrow['block_id']);
}
}
// loop through block_id_arr
if (isset($block_id_arr)) {
foreach ($block_id_arr as $i) {
$sql = sprintf("SELECT block_id FROM %s WHERE module_id != %u AND block_id = %u", $this->db->prefix('block_module_link'), $module->getVar('mid'), $i);
if ($result2 = $this->db->query($sql)) {
if (0 < $this->db->getRowsNum($result2)) {
// this block has other entries, so delete the entry for this module
$sql = sprintf("DELETE FROM %s WHERE (module_id = %u) AND (block_id = %u)", $this->db->prefix('block_module_link'), $module->getVar('mid'), $i);
$this->db->query($sql);
} else {
// this block doesnt have other entries, so disable the block and let it show on top page only. otherwise, this block will not display anymore on block admin page!
$sql = sprintf("UPDATE %s SET visible = 0 WHERE bid = %u", $this->db->prefix('newblocks'), $i);
$this->db->query($sql);
$sql = sprintf("UPDATE %s SET module_id = -1 WHERE module_id = %u", $this->db->prefix('block_module_link'), $module->getVar('mid'));
$this->db->query($sql);
}
}
}
}
if (!empty($this->_cachedModule_dirname[$module->getVar('dirname')])) {
unset ($this->_cachedModule_dirname[$module->getVar('dirname')]);
}
if (!empty($this->_cachedModule_mid[$module->getVar('mid')])) {
unset ($this->_cachedModule_mid[$module->getVar('mid')]);
}
return true;
}
/**
* Load some modules
*
* @param object $criteria {@link CriteriaElement}
* @param boolean $id_as_key Use the ID as key into the array
* @return array
**/
function getObjects($criteria = null, $id_as_key = false)
{
$ret = array();
$limit = $start = 0;
$sql = 'SELECT * FROM '.$this->db->prefix('modules');
if (isset($criteria) && is_subclass_of($criteria, 'criteriaelement')) {
$sql .= ' '.$criteria->renderWhere();
$sql .= ' ORDER BY weight '.$criteria->getOrder().', mid ASC';
$limit = $criteria->getLimit();
$start = $criteria->getStart();
}
$result = $this->db->query($sql, $limit, $start);
if (!$result) {
return $ret;
}
while ($myrow = $this->db->fetchArray($result)) {
$module = new XoopsModule();
$module->assignVars($myrow);
if (!$id_as_key) {
$ret[] =& $module;
} else {
$ret[$myrow['mid']] =& $module;
}
unset($module);
}
return $ret;
}
/**
* Count some modules
*
* @param object $criteria {@link CriteriaElement}
* @return int
**/
function getCount($criteria = null)
{
$sql = 'SELECT COUNT(*) FROM '.$this->db->prefix('modules');
if (isset($criteria) && is_subclass_of($criteria, 'criteriaelement')) {
$sql .= ' '.$criteria->renderWhere();
}
if (!$result = $this->db->query($sql)) {
return 0;
}
list($count) = $this->db->fetchRow($result);
return $count;
}
/**
* returns an array of module names
*
* @param bool $criteria
* @param boolean $dirname_as_key
* if true, array keys will be module directory names
* if false, array keys will be module id
* @return array
**/
function getList($criteria = null, $dirname_as_key = false)
{
$ret = array();
$modules = $this->getObjects($criteria, true);
foreach (array_keys($modules) as $i) {
if (!$dirname_as_key) {
$ret[$i] = $modules[$i]->getVar('name');
} else {
$ret[$modules[$i]->getVar('dirname')] = $modules[$i]->getVar('name');
}
}
return $ret;
}
}
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