chamilo
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chamilo-lms
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Code formatting + fixing query

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skala
Julio Montoya 13 years ago
parent 5677d679f4
commit ca6155d5da
1 changed files with 136 additions and 114 deletions
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  1. 250
      main/inc/lib/usergroup.lib.php

250
main/inc/lib/usergroup.lib.php
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@ -9,55 +9,62 @@
* Code
*/
require_once 'model.lib.php';
/**
* Class
* @package chamilo.library
*/
class UserGroup extends Model {
var $columns = array('id', 'name','description');
public function __construct() {
$this->table = Database::get_main_table(TABLE_USERGROUP);
$this->usergroup_rel_user_table = Database::get_main_table(TABLE_USERGROUP_REL_USER);
$this->usergroup_rel_course_table = Database::get_main_table(TABLE_USERGROUP_REL_COURSE);
class UserGroup extends Model
{
var $columns = array('id', 'name', 'description');
public function __construct()
{
$this->table = Database::get_main_table(TABLE_USERGROUP);
$this->usergroup_rel_user_table = Database::get_main_table(TABLE_USERGROUP_REL_USER);
$this->usergroup_rel_course_table = Database::get_main_table(TABLE_USERGROUP_REL_COURSE);
$this->usergroup_rel_session_table = Database::get_main_table(TABLE_USERGROUP_REL_SESSION);
$this->table_course = Database::get_main_table(TABLE_MAIN_COURSE);
}
$this->table_course = Database::get_main_table(TABLE_MAIN_COURSE);
}
public function get_count() {
$row = Database::select('count(*) as count', $this->table, array(),'first');
public function get_count()
{
$row = Database::select('count(*) as count', $this->table, array(), 'first');
return $row['count'];
}
public function get_usergroup_by_course_with_data_count($course_id) {
public function get_usergroup_by_course_with_data_count($course_id)
{
$row = Database::select('count(*) as count', $this->usergroup_rel_course_table, array('where' => array('course_id = ?' => $course_id)), 'first');
return $row['count'];
}
public function get_id_by_name($name) {
$row = Database::select('id', $this->table, array('where' => array('name = ?' => $name)),'first');
public function get_id_by_name($name)
{
$row = Database::select('id', $this->table, array('where' => array('name = ?' => $name)), 'first');
return $row['id'];
}
/**
* Displays the title + grid
*/
function display() {
function display()
{
// action links
echo '<div class="actions">';
echo '<a href="../admin/index.php">'.Display::return_icon('back.png', get_lang('BackTo').' '.get_lang('PlatformAdmin'),'','32').'</a>';
echo '<a href="'.api_get_self().'?action=add">'.Display::return_icon('new_class.png',get_lang('AddClasses'),'','32').'</a>';
echo '<a href="../admin/index.php">'.Display::return_icon('back.png', get_lang('BackTo').' '.get_lang('PlatformAdmin'), '', '32').'</a>';
echo '<a href="'.api_get_self().'?action=add">'.Display::return_icon('new_class.png', get_lang('AddClasses'), '', '32').'</a>';
echo Display::url(Display::return_icon('import_csv.png', get_lang('Import'), array(), ICON_SIZE_MEDIUM), 'usergroup_import.php');
echo Display::url(Display::return_icon('export_csv.png', get_lang('Export'), array(), ICON_SIZE_MEDIUM), 'usergroup_export.php');
echo '</div>';
echo Display::grid_html('usergroups');
}
function display_teacher_view() {
function display_teacher_view()
{
// action links
echo Display::grid_html('usergroups');
}
@ -67,68 +74,75 @@ class UserGroup extends Model {
* @param int user group id
* @return array
*/
public function get_courses_by_usergroup($id) {
$results = Database::select('course_id', $this->usergroup_rel_course_table, array('where'=>array('usergroup_id = ?'=>$id)));
public function get_courses_by_usergroup($id)
{
$results = Database::select('course_id', $this->usergroup_rel_course_table, array('where' => array('usergroup_id = ?' => $id)));
$array = array();
if (!empty($results)) {
foreach($results as $row) {
foreach ($results as $row) {
$array[] = $row['course_id'];
}
}
return $array;
}
public function get_usergroup_in_course($options = array()) {
$sql = "SELECT u.* FROM {$this->usergroup_rel_course_table} usergroup
INNER JOIN {$this->table} u
public function get_usergroup_in_course($options = array())
{
$sql = "SELECT u.* FROM {$this->usergroup_rel_course_table} usergroup
INNER JOIN {$this->table} u
ON (u.id = usergroup.usergroup_id)
INNER JOIN {$this->table_course} c
ON (usergroup.course_id = c.id)
";
ON (usergroup.course_id = c.id)
";
$conditions = Database::parse_conditions($options);
$sql .= $conditions;
$result = Database::query($sql);
$array = Database::store_result($result, 'ASSOC');
$sql .= $conditions;
$result = Database::query($sql);
$array = Database::store_result($result, 'ASSOC');
return $array;
}
public function get_usergroup_not_in_course($options = array()) {
$course_id = intval($options['course_id']);
unset($options['course_id']);
public function get_usergroup_not_in_course($options = array())
{
$course_id = null;
if (isset($options['course_id'])) {
$course_id = intval($options['course_id']);
unset($options['course_id']);
}
if (empty($course_id)) {
return false;
}
$sql = "SELECT DISTINCT u.id, name
$sql = "SELECT DISTINCT u.id, name
FROM {$this->table} u
LEFT OUTER JOIN {$this->usergroup_rel_course_table} urc
ON (u.id = urc.usergroup_id AND course_id = $course_id)
WHERE course_id is NULL
";
$conditions = Database::parse_conditions($options);
$sql .= $conditions;
$sql .= $conditions;
$result = Database::query($sql);
$array = Database::store_result($result, 'ASSOC');
$array = Database::store_result($result, 'ASSOC');
return $array;
}
public function get_usergroup_by_course($course_id) {
$options = array('where' => array('course_id = ?' => $course_id));
public function get_usergroup_by_course($course_id)
{
$options = array('where' => array('course_id = ?' => $course_id));
$results = Database::select('usergroup_id', $this->usergroup_rel_course_table, $options);
$array = array();
if (!empty($results)) {
foreach($results as $row) {
$array[]= $row['usergroup_id'];
foreach ($results as $row) {
$array[] = $row['usergroup_id'];
}
}
return $array;
}
public function usergroup_was_added_in_course($usergroup_id, $course_id) {
$results = Database::select('usergroup_id', $this->usergroup_rel_course_table, array('where'=>array('course_id = ? AND usergroup_id = ?'=> array($course_id, $usergroup_id))));
if (empty($results)) {
return false;
}
return true;
public function usergroup_was_added_in_course($usergroup_id, $course_id)
{
$results = Database::select('usergroup_id', $this->usergroup_rel_course_table, array('where' => array('course_id = ? AND usergroup_id = ?' => array($course_id, $usergroup_id))));
if (empty($results)) {
return false;
}
return true;
}
/**
@ -136,12 +150,13 @@ class UserGroup extends Model {
* @param int user group id
* @return array
*/
public function get_sessions_by_usergroup($id) {
public function get_sessions_by_usergroup($id)
{
$results = Database::select('session_id', $this->usergroup_rel_session_table, array('where' => array('usergroup_id = ?' => $id)));
$array = array();
if (!empty($results)) {
foreach($results as $row) {
$array[]= $row['session_id'];
foreach ($results as $row) {
$array[] = $row['session_id'];
}
}
return $array;
@ -152,17 +167,18 @@ class UserGroup extends Model {
* @param int user group id
* @return array with a list of user ids
*/
public function get_users_by_usergroup($id = null) {
public function get_users_by_usergroup($id = null)
{
if (empty($id)) {
$conditions = array();
} else {
$conditions = array('where'=>array('usergroup_id = ?'=>$id));
$conditions = array('where' => array('usergroup_id = ?' => $id));
}
$results = Database::select('user_id', $this->usergroup_rel_user_table, $conditions, true);
$array = array();
if (!empty($results)) {
foreach($results as $row) {
$array[]= $row['user_id'];
foreach ($results as $row) {
$array[] = $row['user_id'];
}
}
return $array;
@ -172,38 +188,39 @@ class UserGroup extends Model {
* Gets the usergroup id list by user id
* @param int user id
*/
public function get_usergroup_by_user($id) {
public function get_usergroup_by_user($id)
{
$results = Database::select('usergroup_id', $this->usergroup_rel_user_table, array('where' => array('user_id = ?' => $id)));
$array = array();
if (!empty($results)) {
foreach($results as $row) {
$array[]= $row['usergroup_id'];
foreach ($results as $row) {
$array[] = $row['usergroup_id'];
}
}
return $array;
}
/**
* Subscribes sessions to a group (also adding the members of the group in the session and course)
* @param int usergroup id
* @param array list of session ids
*/
function subscribe_sessions_to_usergroup($usergroup_id, $list) {
*/
function subscribe_sessions_to_usergroup($usergroup_id, $list)
{
$current_list = self::get_sessions_by_usergroup($usergroup_id);
$user_list = self::get_users_by_usergroup($usergroup_id);
$user_list = self::get_users_by_usergroup($usergroup_id);
$delete_items = $new_items = array();
if (!empty($list)) {
foreach ($list as $session_id) {
if (!in_array($session_id, $current_list)) {
$new_items[] = $session_id;
$new_items[] = $session_id;
}
}
}
if (!empty($current_list)) {
foreach($current_list as $session_id) {
if (!in_array($session_id, $list)) {
foreach ($current_list as $session_id) {
if (!in_array($session_id, $list)) {
$delete_items[] = $session_id;
}
}
@ -211,25 +228,25 @@ class UserGroup extends Model {
//Deleting items
if (!empty($delete_items)) {
foreach($delete_items as $session_id) {
foreach ($delete_items as $session_id) {
if (!empty($user_list)) {
foreach($user_list as $user_id) {
SessionManager::unsubscribe_user_from_session($session_id, $user_id);
foreach ($user_list as $user_id) {
SessionManager::unsubscribe_user_from_session($session_id, $user_id);
}
}
Database::delete($this->usergroup_rel_session_table, array('usergroup_id = ? AND session_id = ?'=>array($usergroup_id, $session_id)));
Database::delete($this->usergroup_rel_session_table, array('usergroup_id = ? AND session_id = ?' => array($usergroup_id, $session_id)));
}
}
//Addding new relationships
if (!empty($new_items)) {
foreach($new_items as $session_id) {
$params = array('session_id'=>$session_id, 'usergroup_id' => $usergroup_id);
foreach ($new_items as $session_id) {
$params = array('session_id' => $session_id, 'usergroup_id' => $usergroup_id);
Database::insert($this->usergroup_rel_session_table, $params);
if (!empty($user_list)) {
SessionManager::suscribe_users_to_session($session_id, $user_list, null, false);
}
}
}
}
}
@ -239,9 +256,10 @@ class UserGroup extends Model {
* @param int usergroup id
* @param array list of course ids (integers)
*/
function subscribe_courses_to_usergroup($usergroup_id, $list, $delete_groups = true) {
function subscribe_courses_to_usergroup($usergroup_id, $list, $delete_groups = true)
{
$current_list = self::get_courses_by_usergroup($usergroup_id);
$user_list = self::get_users_by_usergroup($usergroup_id);
$user_list = self::get_users_by_usergroup($usergroup_id);
$delete_items = $new_items = array();
if (!empty($list)) {
@ -251,15 +269,15 @@ class UserGroup extends Model {
}
}
}
if (!empty($current_list)) {
foreach($current_list as $id) {
foreach ($current_list as $id) {
if (!in_array($id, $list)) {
$delete_items[] = $id;
}
}
}
if ($delete_groups) {
self::unsubscribe_courses_from_usergroup($usergroup_id, $delete_items);
}
@ -269,17 +287,18 @@ class UserGroup extends Model {
foreach ($new_items as $course_id) {
$course_info = api_get_course_info_by_id($course_id);
if (!empty($user_list)) {
foreach($user_list as $user_id) {
foreach ($user_list as $user_id) {
CourseManager::subscribe_user($user_id, $course_info['code']);
}
}
$params = array('course_id'=>$course_id, 'usergroup_id'=>$usergroup_id);
$params = array('course_id' => $course_id, 'usergroup_id' => $usergroup_id);
Database::insert($this->usergroup_rel_course_table, $params);
}
}
}
function unsubscribe_courses_from_usergroup($usergroup_id, $delete_items) {
function unsubscribe_courses_from_usergroup($usergroup_id, $delete_items)
{
//Deleting items
if (!empty($delete_items)) {
$user_list = self::get_users_by_usergroup($usergroup_id);
@ -290,86 +309,89 @@ class UserGroup extends Model {
CourseManager::unsubscribe_user($user_id, $course_info['code']);
}
}
Database::delete($this->usergroup_rel_course_table, array('usergroup_id = ? AND course_id = ?'=>array($usergroup_id, $course_id)));
Database::delete($this->usergroup_rel_course_table, array('usergroup_id = ? AND course_id = ?' => array($usergroup_id, $course_id)));
}
}
}
}
/**
/**
* Subscribes users to a group
* @param int usergroup id
* @param array list of user ids
*/
function subscribe_users_to_usergroup($usergroup_id, $list, $delete_users_not_present_in_list = true) {
function subscribe_users_to_usergroup($usergroup_id, $list, $delete_users_not_present_in_list = true)
{
$current_list = self::get_users_by_usergroup($usergroup_id);
$course_list = self::get_courses_by_usergroup($usergroup_id);
$course_list = self::get_courses_by_usergroup($usergroup_id);
$session_list = self::get_sessions_by_usergroup($usergroup_id);
$delete_items = array();
$new_items = array();
if (!empty($list)) {
foreach ($list as $user_id) {
if (!in_array($user_id, $current_list)) {
$new_items[] = $user_id;
$new_items[] = $user_id;
}
}
}
if (!empty($current_list)) {
foreach($current_list as $user_id) {
if (!in_array($user_id, $list)) {
foreach ($current_list as $user_id) {
if (!in_array($user_id, $list)) {
$delete_items[] = $user_id;
}
}
}
}
//Deleting items
if (!empty($delete_items) && $delete_users_not_present_in_list) {
foreach ($delete_items as $user_id) {
//Removing courses
if (!empty($course_list)) {
foreach($course_list as $course_id) {
foreach ($course_list as $course_id) {
$course_info = api_get_course_info_by_id($course_id);
CourseManager::unsubscribe_user($user_id, $course_info['code']);
}
}
//Removing sessions
if (!empty($session_list)) {
foreach($session_list as $session_id) {
foreach ($session_list as $session_id) {
SessionManager::unsubscribe_user_from_session($session_id, $user_id);
}
}
Database::delete($this->usergroup_rel_user_table, array('usergroup_id = ? AND user_id = ?'=>array($usergroup_id, $user_id)));
Database::delete($this->usergroup_rel_user_table, array('usergroup_id = ? AND user_id = ?' => array($usergroup_id, $user_id)));
}
}
//Addding new relationships
if (!empty($new_items)) {
//Adding sessions
//Adding sessions
if (!empty($session_list)) {
foreach($session_list as $session_id) {
foreach ($session_list as $session_id) {
SessionManager::suscribe_users_to_session($session_id, $new_items, null, false);
}
}
foreach($new_items as $user_id) {
foreach ($new_items as $user_id) {
//Adding courses
if (!empty($course_list)) {
foreach($course_list as $course_id) {
foreach ($course_list as $course_id) {
$course_info = api_get_course_info_by_id($course_id);
CourseManager::subscribe_user($user_id, $course_info['code']);
}
}
$params = array('user_id'=>$user_id, 'usergroup_id'=>$usergroup_id);
$params = array('user_id' => $user_id, 'usergroup_id' => $usergroup_id);
Database::insert($this->usergroup_rel_user_table, $params);
}
}
}
function usergroup_exists($name) {
$sql = "SELECT * FROM $this->table WHERE name='".Database::escape_string($name)."'";
$res = Database::query($sql);
return Database::num_rows($res) != 0;
function usergroup_exists($name)
{
$sql = "SELECT * FROM $this->table WHERE name='".Database::escape_string($name)."'";
$res = Database::query($sql);
return Database::num_rows($res) != 0;
}
}
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