support user context

Author: danielneis

classes/permission.php

@@ -235,7 +235,7 @@ public static function can_view_list(int $userid, ?\context $context = null): bo
             $context = \context_system::instance();
         }
         if ($context->contextlevel != CONTEXT_SYSTEM && $context->contextlevel != CONTEXT_COURSECAT
-                && $context->contextlevel != CONTEXT_COURSE) {
+                && $context->contextlevel != CONTEXT_COURSE && $context->contextlevel != CONTEXT_USER) {
             return false;
         }
         if (class_exists('\\tool_organisation\\organisation')) {

lib.php

@@ -112,7 +112,7 @@ function tool_certificate_pluginfile($course, $cm, $context, $filearea, $args, $
  */
 function tool_certificate_myprofile_navigation(core_user\output\myprofile\tree $tree, $user, $iscurrentuser, $course) {
     global $USER;
-    if (permission::can_view_list($user->id)) {
+    if (permission::can_view_list($user->id, \context_user::instance($user->id))) {
         if ($USER->id == $user->id) {
             $link = get_string('mycertificates', 'tool_certificate');
         } else {

my.php

@@ -36,7 +36,7 @@
 
 // Check that we have a valid user.
 $user = \core_user::get_user($userid ?: $USER->id, '*', MUST_EXIST);
-if (!\tool_certificate\permission::can_view_list($user->id)) {
+if (!\tool_certificate\permission::can_view_list($user->id, \context_user::instance($user->id))) {
     throw new \required_capability_exception(context_system::instance(), 'tool/certificate:viewallcertificates',
         'nopermission', 'error');
 }