From d3ff0824540d5d31aa9d42e922439af2edf56e27 Mon Sep 17 00:00:00 2001
From: Albert Gasset <albertgasset@fsfe.org>
Date: Thu, 28 Mar 2019 11:31:42 +0100
Subject: [PATCH] MOBILE-2915 assign: Fix prefetch for teachers

---
 src/addon/mod/assign/providers/assign.ts | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/addon/mod/assign/providers/assign.ts b/src/addon/mod/assign/providers/assign.ts
index 72320b5f7..93e8204f0 100644
--- a/src/addon/mod/assign/providers/assign.ts
+++ b/src/addon/mod/assign/providers/assign.ts
@@ -379,9 +379,13 @@ export class AddonModAssignProvider {
      *
      * @param {any} assign Assign.
      * @param {any} attempt Attempt.
-     * @return {any} Submission object.
+     * @return {any} Submission object or null.
      */
     getSubmissionObjectFromAttempt(assign: any, attempt: any): any {
+        if (!attempt) {
+            return null;
+        }
+
         return assign.teamsubmission ? attempt.teamsubmission : attempt.submission;
     }