Add max user accounts option to Edit institution page

htdocs/admin/users/institutions.php

@@ -225,6 +225,15 @@ if ($institution || $add) {
             'options'      => $themeoptions,
             'help'         => true,
         );
+        if ($USER->get('admin')) {
+            $elements['maxuseraccounts'] = array(
+                'type'         => 'text',
+                'title'        => get_string('maxuseraccounts','admin'),
+                'description'  => get_string('maxuseraccountsdescription','admin'),
+                'defaultvalue' => empty($data->maxuseraccounts) ? '' : $data->maxuseraccounts,
+                'rules'        => array('regex' => '/^\d*$/'),
+            );
+        }
     }
 
     $elements['lockedfields'] = array(
@@ -274,7 +283,7 @@ else {
 }
 
 function institution_submit(Pieform $form, $values) {
-    global $SESSION, $institution, $add, $instancearray;
+    global $SESSION, $institution, $add, $instancearray, $USER;
 
     db_begin();
     // Update the basic institution record...
@@ -289,6 +298,10 @@ function institution_submit(Pieform $form, $values) {
     $newinstitution->theme                        = empty($values['theme']) ? null : $values['theme'];
     $newinstitution->defaultmembershipperiod      = ($values['defaultmembershipperiod']) ? intval($values['defaultmembershipperiod']) : null;
 
+    if ($USER->get('admin')) {
+        $newinstitution->maxuseraccounts          = ($values['maxuseraccounts']) ? intval($values['maxuseraccounts']) : null;
+    }
+
     $allinstances = array_merge($values['authplugin']['instancearray'], $values['authplugin']['deletearray']);
 
     if (array_diff($allinstances, $instancearray)) {

htdocs/lang/en.utf8/admin.php

@@ -316,6 +316,9 @@ $string['institutionusersupdatedrequesters'] = 'Users added';
 $string['institutionusersupdatedmembers'] = 'Users removed';
 $string['institutionusersupdatednonmembers'] = 'Invitations sent';
 
+$string['maxuseraccounts'] = 'Maximum User Accounts Allowed';
+$string['maxuseraccountsdescription'] = 'The maximum number of user accounts that can be associated with the institution.  If there is no limit, this field should be left blank.';
+
 
 // general stuff
 $string['notificationssaved'] = 'Notification settings saved';

htdocs/lib/db/upgrade.php

@@ -535,6 +535,10 @@ function xmldb_core_upgrade($oldversion=0) {
         }
     }
 
+    if ($oldversion < 2007121000) {
+        execute_sql('ALTER TABLE {institution} ADD COLUMN maxuseraccounts bigint');
+    }
+
     return $status;
 
 }

htdocs/lib/version.php

@@ -27,7 +27,7 @@
 defined('INTERNAL') || die();
 
 $config = new StdClass;
-$config->version = 2007120500;
+$config->version = 2007121000;
 $config->release = '0.9.0alpha3dev';
 $config->minupgradefrom = 2007080700;
 $config->minupgraderelease = '0.8.0 (release tag 0.8.0_RELEASE)';