Adding number of sessions, courses and users in the admin/usergroup.php table see BT#2019

main/admin/add_sessions_to_usergroup.php

@@ -34,7 +34,7 @@ $interbreadcrumb[]=array('url' => 'usergroups.php','name' => get_lang('Groups'))
 // Database Table Definitions
 
 // setting the name of the tool
-$tool_name=get_lang('SubscribeSessionsToUser');
+$tool_name=get_lang('SubscribeSessionsToGroup');
 
 $add_type = 'multiple';
 if(isset($_REQUEST['add_type']) && $_REQUEST['add_type']!=''){

main/admin/usergroups.php

@@ -42,12 +42,16 @@ if (isset($_GET['action']) && $_GET['action'] == 'editnote') {
 $url            = api_get_path(WEB_AJAX_PATH).'model.ajax.php?a=get_usergroups';
 
 //The order is important you need to check the the $column variable in the model.ajax.php file 
-$columns        = array(get_lang('Name'),get_lang('Description'),get_lang('Actions'));
+$columns        = array(get_lang('Name'), get_lang('Users'), get_lang('Courses'), get_lang('Sessions'), get_lang('Actions'));
 
 //Column config
-$column_model   = array(array('name'=>'name',           'index'=>'name',        'width'=>'80',   'align'=>'left'),
-                        array('name'=>'description',    'index'=>'description', 'width'=>'500',  'align'=>'left'),
-                        array('name'=>'actions',        'index'=>'actions',     'formatter'=>'action_formatter','width'=>'100',  'align'=>'left'),
+$column_model   = array(
+						array('name'=>'name',           'index'=>'name',        'width'=>'80',   'align'=>'left'),
+                        //array('name'=>'description',    'index'=>'description', 'width'=>'500',  'align'=>'left'),
+                        array('name'=>'users',    		'index'=>'users', 		'width'=>'200',  'align'=>'left'),
+                        array('name'=>'courses',    	'index'=>'courses', 	'width'=>'200',  'align'=>'left'),
+                        array('name'=>'sessions',    	'index'=>'sessions', 	'width'=>'200',  'align'=>'left'),
+                        array('name'=>'actions',        'index'=>'actions',     'formatter'=>'action_formatter','width'=>'100',  'align'=>'left','sortable'=>'false'),
                        );            
 //Autowidth             
 $extra_params['autowidth'] = 'true';

main/inc/ajax/model.ajax.php

@@ -6,6 +6,7 @@ $action = $_GET['a'];
 
 require_once '../global.inc.php';
 $libpath = api_get_path(LIBRARY_PATH);
+require_once $libpath.'array.lib.php';
 
 // 1. Setting variables needed by jqgrid
 
@@ -64,6 +65,8 @@ if ($_REQUEST['oper'] == 'del') {
     $obj->delete($_REQUEST['id']);
 }
 
+
+
 //4. Querying the DB for the elements
 $columns = array();
 switch ($action) {
@@ -81,12 +84,25 @@ switch ($action) {
         }                  
         $result     = Database::select('p.id,p.name, p.description, c.name as career', "$obj->table p LEFT JOIN ".Database::get_main_table(TABLE_CAREER)." c  ON c.id = p.career_id ", array('order' =>"$sidx $sord", 'LIMIT'=> "$start , $limit"));       
     break;
-    case 'get_usergroups':        
-        $columns = array('name', 'description', 'actions');                
+    case 'get_usergroups':
+        $columns = array('name', 'users', 'courses','sessions','actions');
+        $result     = Database::select('*', $obj->table, array('order'=>"name $sord", 'LIMIT'=> "$start , $limit"));
+        $new_result = array();
+        if (!empty($result)) {
+            foreach ($result as $group) {            
+                $group['sessions']   = count($obj->get_sessions_by_usergroup($group['id']));
+                $group['courses']    = count($obj->get_courses_by_usergroup($group['id']));
+                $group['users']      = count($obj->get_users_by_usergroup($group['id']));
+                $new_result[]        = $group;
+            }
+            $result = $new_result;
+        }
+        $columns = array('name', 'users', 'courses','sessions');                
         if(!in_array($sidx, $columns)) {
             $sidx = 'name';
         }
-        $result     = Database::select('*', $obj->table, array('order'=>"$sidx $sord", 'LIMIT'=> "$start , $limit"));
+        //Multidimensional sort
+        msort($result, $sidx);
         break;      
     default:    
         exit;            

main/inc/lib/array.lib.php

@@ -13,6 +13,7 @@
  *
  * @param array a dimensional array
  * @return array an array with unique values
+ * 
  */
 function array_unique_dimensional($array) {
     if(!is_array($array))
@@ -29,4 +30,32 @@ function array_unique_dimensional($array) {
     }
     return $array;
 }
-?>
+
+/**
+ * 
+ * Sort multidimensional arrays
+ * 
+ * @param 	array 	unsorted multidimensional array
+ * @param 	string	key
+ * @return 	array	result array
+ * @author	founded in http://php.net/manual/en/function.sort.php
+ */
+function msort($array, $id="id") {
+    if (empty($array)) {
+        return $array;
+    }
+    $temp_array = array();
+    while (count($array)>0) {
+        $lowest_id = 0;
+        $index=0;
+        foreach ($array as $item) {
+            if ($item[$id]<$array[$lowest_id][$id]) {
+                $lowest_id = $index;
+            }
+            $index++;
+        }
+        $temp_array[] = $array[$lowest_id];
+        $array = array_merge(array_slice($array, 0, $lowest_id), array_slice($array, $lowest_id+1));
+    }
+    return $temp_array;
+}

main/inc/lib/usergroup.lib.php

@@ -38,7 +38,7 @@ class UserGroup extends Model {
      * @return  array   
      */     
     public function get_courses_by_usergroup($id) {        
-        $results = Database::select('*',$this->usergroup_rel_course_table, array('where'=>array('usergroup_id = ?'=>$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 $row) {
@@ -54,7 +54,7 @@ class UserGroup extends Model {
      * @return  array   
      */
     public function get_sessions_by_usergroup($id) {
-        $results = Database::select('*',$this->usergroup_rel_session_table, array('where'=>array('usergroup_id = ?'=>$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 $row) {
@@ -70,7 +70,7 @@ class UserGroup extends Model {
      * @return  array   with a list of user ids
      */
     public function get_users_by_usergroup($id) {
-        $results = Database::select('*',$this->usergroup_rel_user_table, array('where'=>array('usergroup_id = ?'=>$id)));
+        $results = Database::select('user_id',$this->usergroup_rel_user_table, array('where'=>array('usergroup_id = ?'=>$id)));
         $array = array();
         if (!empty($results)) {    
             foreach($results as $row) {
@@ -85,7 +85,7 @@ class UserGroup extends Model {
      * @param   int user id
      */
     public function get_usergroup_by_user($id) {
-        $results = Database::select('*',$this->usergroup_rel_user_table, array('where'=>array('user_id = ?'=>$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) {