MDL-78551 core_access: Add support for hooks api

lib/accesslib.php

@@ -1645,18 +1645,6 @@ function role_assign($roleid, $userid, $contextid, $component = '', $itemid = 0,
 
     core_course_category::role_assignment_changed($roleid, $context);
 
-    // Update the room membership and power levels when the user role changes.
-    if (\core_communication\api::is_available() && $coursecontext = $context->get_course_context(false)) {
-        $communication = \core_communication\api::load_by_instance(
-            $coursecontext,
-            'core_course',
-            'coursecommunication',
-            $coursecontext->instanceid,
-        );
-
-        $communication->update_room_membership([$userid]);
-    }
-
     $event = \core\event\role_assigned::create(array(
         'context' => $context,
         'objectid' => $ra->roleid,
@@ -1670,6 +1658,13 @@ function role_assign($roleid, $userid, $contextid, $component = '', $itemid = 0,
     $event->add_record_snapshot('role_assignments', $ra);
     $event->trigger();
 
+    // Dispatch the hook for post role assignment actions.
+    $hook = new \core\hook\access\after_role_assigned(
+        context: $context,
+        userid: $userid,
+    );
+    \core\di::get(\core\hook\manager::class)->dispatch($hook);
+
     return $ra->id;
 }
 
@@ -1763,19 +1758,12 @@ function role_unassign_all(array $params, $subcontexts = false, $includemanual =
             $event->trigger();
             core_course_category::role_assignment_changed($ra->roleid, $context);
 
-            // Update the room membership and power levels when the user role changes.
-            if (\core_communication\api::is_available() && $coursecontext = $context->get_course_context(false)) {
-                $communication = \core_communication\api::load_by_instance(
-                    $coursecontext,
-                    'core_course',
-                    'coursecommunication',
-                    $coursecontext->instanceid,
-                );
-
-                $communication->update_room_membership([$ra->userid]);
-            }
-
-
+            // Dispatch the hook for post role assignment actions.
+            $hook = new \core\hook\access\after_role_unassigned(
+                context: $context,
+                userid: $ra->userid,
+            );
+            \core\di::get(\core\hook\manager::class)->dispatch($hook);
         }
     }
     unset($ras);

lib/classes/hook/access/after_role_assigned.php

@@ -0,0 +1,44 @@
+<?php
+// This file is part of Moodle - http://moodle.org/
+//
+// Moodle is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// Moodle is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
+
+namespace core\hook\access;
+
+use context;
+
+/**
+ * Hook after a role is assigned.
+ *
+ * @package    core
+ * @copyright  2024 Safat Shahin <[email protected]>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+#[\core\attribute\label('Allows plugins or features to perform actions after a role is assigned to a user.')]
+#[\core\attribute\tags('role,', 'user')]
+class after_role_assigned {
+
+    /**
+     * Constructor for the hook.
+     *
+     * @param context $context The context of the role assignment.
+     * @param int $userid The user id of the user.
+     *
+     */
+    public function __construct(
+        public readonly context $context,
+        public readonly int $userid,
+    ) {
+    }
+}

lib/classes/hook/access/after_role_unassigned.php

@@ -0,0 +1,44 @@
+<?php
+// This file is part of Moodle - http://moodle.org/
+//
+// Moodle is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// Moodle is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
+
+namespace core\hook\access;
+
+use context;
+
+/**
+ * Hook after a role is unassigned.
+ *
+ * @package    core
+ * @copyright  2024 Safat Shahin <[email protected]>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+#[\core\attribute\label('Allows plugins or features to perform actions after a role is unassigned for a user.')]
+#[\core\attribute\tags('role,', 'user')]
+class after_role_unassigned {
+
+    /**
+     * Constructor for the hook.
+     *
+     * @param context $context The context of the role assignment.
+     * @param int $userid The user id of the user.
+     *
+     */
+    public function __construct(
+        public readonly context $context,
+        public readonly int $userid,
+    ) {
+    }
+}