Resolve "Tutor assignments not freed when logging out"

frontend/src/store/actions.ts

@@ -80,9 +80,10 @@ function logout (
   message = ''
 ) {
   if (Authentication.isStudent && !ConfigModule.state.config.exerciseMode) {
-    // change active to false when user logs out
-    // TODO this should belong in auth module
-    api.changeActiveForUser(Authentication.state.user.pk, false)
+    Authentication.deactivateUserAccount()
+  }
+  if (Authentication.isTutorOrReviewer) {
+    Assignments.cleanAssignments()
   }
   router.push({ name: 'login' }, () => {
     resetState({ message })

frontend/src/store/modules/authentication.ts

@@ -112,6 +112,14 @@ async function getUser () {
   }
 }
 
+/**
+ * Deactivates the current user's account.
+ * They will not be able to login again until activated again.
+ */
+async function deactivateUserAccount ({ state }: BareActionContext<AuthState, RootState>) {
+  api.changeActiveForUser(state.user.pk, false)
+}
+
 export const Authentication = {
   get state () { return stateGetter() },
   get gradySpeak () { return gradySpeakGetter() },
@@ -131,4 +139,5 @@ export const Authentication = {
   getJWT: mb.dispatch(getJWT),
   refreshJWT: mb.dispatch(refreshJWT),
   getUser: mb.dispatch(getUser),
+  deactivateUserAccount: mb.dispatch(deactivateUserAccount),
 }