From 669e71b95652c504aff9c6a5361cf274a483eb72 Mon Sep 17 00:00:00 2001
From: David Matamoros <davidmc@moodle.com>
Date: Thu, 7 Apr 2022 14:20:28 +0200
Subject: [PATCH] MDL-74453 reportbuilder: Add authentication method filter

- Add authentication method filter to the user entity
---
 reportbuilder/classes/local/entities/user.php | 26 +++++++++++++++++++
 1 file changed, 26 insertions(+)

diff --git a/reportbuilder/classes/local/entities/user.php b/reportbuilder/classes/local/entities/user.php
index 5337efd725b..201887185d7 100644
--- a/reportbuilder/classes/local/entities/user.php
+++ b/reportbuilder/classes/local/entities/user.php
@@ -21,6 +21,7 @@ namespace core_reportbuilder\local\entities;
 use context_helper;
 use context_system;
 use context_user;
+use core_component;
 use html_writer;
 use lang_string;
 use moodle_url;
@@ -470,6 +471,31 @@ class user extends base {
         ))
             ->add_joins($this->get_joins());
 
+        // Authentication method filter.
+        $filters[] = (new filter(
+            select::class,
+            'auth',
+            new lang_string('authentication', 'moodle'),
+            $this->get_entity_name(),
+            "{$tablealias}.auth"
+        ))
+            ->set_options_callback(static function(): array {
+                $plugins = core_component::get_plugin_list('auth');
+                $enabled = get_string('pluginenabled', 'core_plugin');
+                $disabled = get_string('plugindisabled', 'core_plugin');
+                $authoptions = [$enabled => [], $disabled => []];
+
+                foreach ($plugins as $pluginname => $unused) {
+                    $plugin = get_auth_plugin($pluginname);
+                    if (is_enabled_auth($pluginname)) {
+                        $authoptions[$enabled][$pluginname] = $plugin->get_title();
+                    } else {
+                        $authoptions[$disabled][$pluginname] = $plugin->get_title();
+                    }
+                }
+                return $authoptions;
+            });
+
         return $filters;
     }