MDL-70763 core: export preferences for correct user.

Ensure we are using the ID of the given user rather than falling
back to that of the current user during privacy export.

lib/editor/classes/privacy/provider.php

@@ -61,7 +61,7 @@ class provider implements
      * @param   int         $userid The userid of the user whose data is to be exported.
      */
     public static function export_user_preferences(int $userid) {
-        $preference = get_user_preferences('htmleditor');
+        $preference = get_user_preferences('htmleditor', null, $userid);
         if (!empty($preference)) {
             $desc = get_string('privacy:preference:htmleditor', 'core_editor',
                     get_string('pluginname', "editor_{$preference}"));

lib/editor/tests/privacy_provider_test.php

@@ -53,14 +53,19 @@ class core_editor_privacy_provider_testcase extends \core_privacy\tests\provider
      * When preference exists but is empty, there should be no export.
      */
     public function test_empty_preference() {
-        global $USER;
-
         $this->resetAfterTest();
+
+        // Create test user, add some preferences.
+        $user = $this->getDataGenerator()->create_user();
+        $this->setUser($user);
+
+        set_user_preference('htmleditor', '', $user);
+
+        // Switch to admin user (so we can validate preferences of the correct user are being exported).
         $this->setAdminUser();
 
-        set_user_preference('htmleditor', '');
-
-        provider::export_user_preferences($USER->id);
+        // Export test users preferences.
+        provider::export_user_preferences($user->id);
         $this->assertFalse(writer::with_context(\context_system::instance())->has_any_data());
     }
 
@@ -68,13 +73,19 @@ class core_editor_privacy_provider_testcase extends \core_privacy\tests\provider
      * When an editor is set, the name of that editor will be reported.
      */
     public function test_editor_atto() {
-        global $USER;
         $this->resetAfterTest();
-        $this->setAdminUser();
+
+        // Create test user, add some preferences.
+        $user = $this->getDataGenerator()->create_user();
+        $this->setUser($user);
 
         set_user_preference('htmleditor', 'atto');
 
-        provider::export_user_preferences($USER->id);
+        // Switch to admin user (so we can validate preferences of the correct user are being exported).
+        $this->setAdminUser();
+
+        // Export test users preferences.
+        provider::export_user_preferences($user->id);
         $this->assertTrue(writer::with_context(\context_system::instance())->has_any_data());
 
         $prefs = writer::with_context(\context_system::instance())->get_user_preferences('core_editor');

lib/form/classes/privacy/provider.php

@@ -63,9 +63,7 @@ class provider implements
      * @param int $userid The ID of the user whose data is to be exported.
      */
     public static function export_user_preferences(int $userid) {
-
-        $preference = get_user_preferences('filemanager_recentviewmode');
-
+        $preference = get_user_preferences('filemanager_recentviewmode', null, $userid);
         if ($preference !== null) {
             switch ($preference) {
                 case 1:

lib/form/tests/privacy_provider_test.php

@@ -23,6 +23,7 @@
  * @license     http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  */
 
+use core_form\privacy\provider;
 use core_privacy\local\request\writer;
 
 defined('MOODLE_INTERNAL') || die();
@@ -43,7 +44,7 @@ class core_form_privacy_provider_testcase extends \core_privacy\tests\provider_t
         $this->resetAfterTest();
         $this->setAdminUser();
 
-        \core_form\privacy\provider::export_user_preferences($USER->id);
+        provider::export_user_preferences($USER->id);
         $this->assertFalse(writer::with_context(\context_system::instance())->has_any_data());
     }
 
@@ -55,13 +56,19 @@ class core_form_privacy_provider_testcase extends \core_privacy\tests\provider_t
      * @param string $desc Text describing the preference
      */
     public function test_filemanager_recentviewmode(string $val, string $desc) {
-        global $USER;
         $this->resetAfterTest();
+
+        // Create test user, add some preferences.
+        $user = $this->getDataGenerator()->create_user();
+        $this->setUser($user);
+
+        set_user_preference('filemanager_recentviewmode', $val, $user);
+
+        // Switch to admin user (so we can validate preferences of the correct user are being exported).
         $this->setAdminUser();
 
-        set_user_preference('filemanager_recentviewmode', $val);
-
-        core_form\privacy\provider::export_user_preferences($USER->id);
+        // Export test users preferences.
+        provider::export_user_preferences($user->id);
         $this->assertTrue(writer::with_context(\context_system::instance())->has_any_data());
 
         $prefs = writer::with_context(\context_system::instance())->get_user_preferences('core_form');