Add support for marking groups as ones that users should be automatically added to.

The UI for this still needs to be implemented.

htdocs/lib/db/install.xml

@@ -266,6 +266,7 @@
                 <FIELD NAME="ctime" TYPE="datetime" NOTNULL="true" />
                 <FIELD NAME="mtime" TYPE="datetime" NOTNULL="true" />
                 <FIELD NAME="public" TYPE="int" LENGTH="1" NOTNULL="true" DEFAULT="0" />
+                <FIELD NAME="usersautoadded" TYPE="int" LENGTH="1" NOTNULL="true" DEFAULT="0" />
                 <FIELD NAME="deleted" TYPE="int" LENGTH="1" NOTNULL="true" DEFAULT="0" />
             </FIELDS>
             <KEYS>

htdocs/lib/db/upgrade.php

@@ -1457,6 +1457,16 @@ function xmldb_core_upgrade($oldversion=0) {
         set_field('grouptype_roles', 'see_submitted_views', 1, 'grouptype', 'course', 'role', 'admin');
     }
 
+    if ($oldversion < 2008111200) {
+        // Event subscription for auto adding users to groups
+        insert_record('event_subscription', (object)array('event' => 'createuser', 'callfunction' => 'add_user_to_autoadd_groups'));
+
+        $table = new XMLDBTable('group');
+        $field = new XMLDBField('usersautoadded');
+        $field->setAttributes(XMLDB_TYPE_INTEGER, 1, null, XMLDB_NOTNULL, null, null, null, 0);
+        add_field($table, $field);
+    }
+
     return $status;
 
 }

htdocs/lib/upgrade.php

@@ -669,6 +669,10 @@ function core_install_firstcoredata_defaults() {
             'event'        => 'createuser',
             'callfunction' => 'activity_set_defaults',
         ),
+        array(
+            'event'        => 'createuser',
+            'callfunction' => 'add_user_to_autoadd_groups',
+        ),
     );
 
     foreach ($subs as $sub) {

htdocs/lib/user.php

@@ -1208,6 +1208,25 @@ function copy_view_for_user($userid, $templateid) {
 }
 
 
+/**
+ * Given a user, makes sure they have been added to all groups that are marked 
+ * as ones that users should be auto-added to
+ *
+ * @param array $eventdata Event data passed from activity_occured, the key 'id' = userid
+ */
+function add_user_to_autoadd_groups($eventdata) {
+    require_once('group.php');
+    $userid = $eventdata['id'];
+    if ($autoaddgroups = get_column('group', 'id', 'usersautoadded', true)) {
+        foreach ($autoaddgroups as $groupid) {
+            if (!group_user_access($groupid, $userid)) {
+                group_add_user($groupid, $userid);
+            }
+        }
+    }
+}
+
+
 function copy_views_for_user($userid, $templateids) {
     if (!$templateids) {
         return;

htdocs/lib/version.php

@@ -27,7 +27,7 @@
 defined('INTERNAL') || die();
 
 $config = new StdClass;
-$config->version = 2008111102;
+$config->version = 2008111200;
 $config->release = '1.1.0beta3dev';
 $config->minupgradefrom = 2007080700;
 $config->minupgraderelease = '0.8.0 (release tag 0.8.0_RELEASE)';