support user context

Author: danielneis

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');
 }