From 71d4f37b9d8e56b334f2d3222353c59e444c2827 Mon Sep 17 00:00:00 2001
From: sairina <sairina.merinotsui@gmail.com>
Date: Fri, 12 Nov 2021 15:19:35 -0800
Subject: [PATCH] Use plugin_data to query db for folders with practice quizzes

---
 .../src/views/plan/CoachExamsPage/index.vue   | 38 +++----------------
 kolibri/plugins/coach/kolibri_plugin.py       | 11 ++++++
 2 files changed, 16 insertions(+), 33 deletions(-)

diff --git a/kolibri/plugins/coach/assets/src/views/plan/CoachExamsPage/index.vue b/kolibri/plugins/coach/assets/src/views/plan/CoachExamsPage/index.vue
index b14a838e0b9..345d5957369 100644
--- a/kolibri/plugins/coach/assets/src/views/plan/CoachExamsPage/index.vue
+++ b/kolibri/plugins/coach/assets/src/views/plan/CoachExamsPage/index.vue
@@ -148,12 +148,11 @@
 
   import CoreTable from 'kolibri.coreVue.components.CoreTable';
   import commonCoreStrings from 'kolibri.coreVue.mixins.commonCoreStrings';
-  import { ContentNodeKinds } from 'kolibri.coreVue.vuex.constants';
-  import { ContentNodeResource, ExamResource } from 'kolibri.resources';
-  import { mapGetters } from 'vuex';
+  import { ExamResource } from 'kolibri.resources';
   import { PageNames } from '../../../constants';
   import commonCoach from '../../common';
   import PlanHeader from '../../plan/PlanHeader';
+  import plugin_data from 'plugin_data';
 
   export default {
     name: 'CoachExamsPage',
@@ -175,14 +174,15 @@
         // },
         showOpenConfirmationModal: false,
         showCloseConfirmationModal: false,
-        practiceQuizzesExist: true,
       };
     },
     computed: {
-      ...mapGetters(['getChannels']),
       sortedExams() {
         return this._.orderBy(this.exams, ['date_created'], ['desc']);
       },
+      practiceQuizzesExist() {
+        return plugin_data.practice_quizzes_exist;
+      },
       // Hidden temporarily per https://github.com/learningequality/kolibri/issues/6174
       // Uncomment this once we use the filters again.
       /*
@@ -228,34 +228,6 @@
         ];
       },
     },
-    mounted() {
-      this.$nextTick(() => {
-        let channelIds = this.getChannels.map(channel => channel.id);
-        let array = [];
-
-        let results = channelIds.map(id => {
-          return ContentNodeResource.fetchCollection({
-            getParams: {
-              parent: id,
-              kind_in: [ContentNodeKinds.TOPIC, ContentNodeKinds.EXERCISE],
-              contains_quiz: true,
-            },
-          }).then(results => {
-            if (results.length !== 0) {
-              array.push(results);
-            }
-          });
-        });
-
-        Promise.all(results)
-          .then(() => {
-            if (array.length === 0) {
-              this.practiceQuizzesExist = false;
-            }
-          })
-          .catch(err => console.log(err));
-      });
-    },
     methods: {
       handleOpenQuiz(quizId) {
         let promise = ExamResource.saveModel({
diff --git a/kolibri/plugins/coach/kolibri_plugin.py b/kolibri/plugins/coach/kolibri_plugin.py
index 77680896977..5e0c5861c56 100644
--- a/kolibri/plugins/coach/kolibri_plugin.py
+++ b/kolibri/plugins/coach/kolibri_plugin.py
@@ -43,3 +43,14 @@ class CoachNavItem(NavigationHook):
 @register_hook
 class CoachAsset(webpack_hooks.WebpackBundleHook):
     bundle_id = "app"
+
+    @property
+    def plugin_data(self):
+        from kolibri.core.content.models import ContentNode
+
+        practice_quizzes_exist = ContentNode.objects.filter(
+            available=True, options__contains='"modality": "QUIZ"'
+        ).exists()
+        return {
+            "practice_quizzes_exist": practice_quizzes_exist,
+        }