From 457fcfe3d070b2b65829688b5dd0db2673a31f30 Mon Sep 17 00:00:00 2001
From: Dan Marsden <dan@danmarsden.com>
Date: Mon, 11 Dec 2017 15:33:15 +1300
Subject: [PATCH] MDL-61005 core_cohort: Allow teachers to view site-wide
 cohorts

---
 cohort/lib.php | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/cohort/lib.php b/cohort/lib.php
index 467c592121d..76085c67493 100644
--- a/cohort/lib.php
+++ b/cohort/lib.php
@@ -471,6 +471,9 @@ function cohort_get_invisible_contexts() {
     $excludedcontexts = array();
     foreach ($records as $ctx) {
         context_helper::preload_from_record($ctx);
+        if (context::instance_by_id($ctx->id) == context_system::instance()) {
+            continue; // System context cohorts should be available and permissions already checked.
+        }
         if (!has_any_capability(array('moodle/cohort:manage', 'moodle/cohort:view'), context::instance_by_id($ctx->id))) {
             $excludedcontexts[] = $ctx->id;
         }