Source for file _groupsettings.class.php

Documentation is available at _groupsettings.class.php

<?php
if( !defined('EVO_MAIN_INIT') ) die( 'Please, do not access this page directly.' );
load_class( 'settings/model/_abstractsettings.class.php', 'AbstractSettings' );
load_class( '_core/model/db/_sql.class.php', 'SQL' );
/**
* GroupSettings class
*
* This class represents group permissions
*/
class GroupSettings extends AbstractSettings
{
/**
* Current or default permission values
* @var array
*/
var $permission_values = array();
/**
* Permission modules
* @var array
*/
var $permission_modules = array();
/**
* New permissions values
* @access private
* @var array
*/
var $_permissions = array();
/**
* Constructor
*/
function GroupSettings()
{ // call parent constructor
parent::AbstractSettings( 'T_groups__groupsettings', array( 'gset_grp_ID', 'gset_name' ), 'gset_value', 1 );
}
/**
* Load permissions
*
* @param integer Group ID
*/
function load( $grp_ID )
{
global $DB, $modules;
// Get default group permission from each module
foreach( $modules as $module )
{
$Module = & $GLOBALS[$module.'_Module'];
if( method_exists( $Module, 'get_default_group_permissions' ) )
{ // Module has pluggable permissions and we can add them to the current setting
$this->add( $module, $Module->get_default_group_permissions( $grp_ID ), $grp_ID );
}
}
if( $grp_ID != 0 )
{
// Select current group permission from database
$SQL = new SQL();
$SQL->SELECT( '*' );
$SQL->FROM( 'T_groups__groupsettings' );
$SQL->WHERE( 'gset_grp_ID = '.$grp_ID );
$DB->begin();
// Set current group permissions
$existing_perm = array();
foreach( $DB->get_results( $SQL->get() ) as $row )
{
$existing_perm[] = $row->gset_name;
$this->permission_values[$row->gset_name] = $row->gset_value;
}
// Set default group permission if these permissions don't exist
$update_permissions = false;
foreach( $this->permission_values as $name => $value )
{
if( ! in_array( $name, $existing_perm ) )
{
$this->set( $name, $value, $grp_ID );
$update_permissions = true;
}
}
if( $update_permissions )
{ // We can update permission as there are some new permnissions
$this->dbupdate( $grp_ID );
}
$DB->commit();
}
}
/**
* Add default permission to the group.
* Each module can define its own default permissions.
*
* @param string module name
* @param array permissions
* @param integer Group ID
*/
function add( $module, $permissions, $grp_ID )
{
if( ! empty( $permissions ) )
{
foreach( $permissions as $key => $value )
{
$this->permission_values[$key] = $value;
$this->permission_modules[$key] = $module;
}
}
}
/**
* Get a permission from the DB group settings table
*
* @param string name of permission
* @param integer Group
*/
function get( $permission, $grp_ID )
{
if( $grp_ID != 0 )
{ // We can get permission from database, because the current group setting are available in database
$this->permission_values[$permission] = parent::get( $grp_ID, $permission );
}
return $this->permission_values[$permission];
}
/**
* Temporarily sets a group permission ({@link dbupdate()} writes it to DB)
*
* @param string name of permission
* @param mixed new value
* @param integer Group ID
*/
function set( $permission, $value, $grp_ID )
{
if( $grp_ID != 0 )
{ // We can set permission, because the current group is already in database
$this->permission_values[$permission] = $value;
return parent::set( $grp_ID, $permission, $value );
}
$this->_permissions[$permission] = $value;
return true;
}
/**
* Update the DB based on previously recorded changes
*
* @param integer Group ID
*/
function dbupdate( $grp_ID )
{
if( ! empty( $this->_permissions ) )
{ // Set temporary permissions. It is only for the new creating group
foreach( $this->_permissions as $name => $value )
{
$this->set( $name, $value, $grp_ID );
}
$this->_permissions = array();
}
// Update permissions
return parent::dbupdate();
}
/**
* Delete all of the group permissions
*
* @param @param integer Group ID
*/
function delete( $grp_ID )
{
foreach( $this->permission_values as $name => $value )
{
parent::delete( $grp_ID, $name );
}
}
}
?>

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Source for file _groupsettings.class.php

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