User-scoped channel quiz feature

contentcuration/contentcuration/frontend/channelEdit/components/edit/DetailsTabView.vue

@@ -104,6 +104,14 @@
             :label="$tr('randomizeQuestionLabel')"
             :indeterminate="!isUnique(randomizeOrder)"
           />
+
+          <!-- Feature flag: Channel quizzes -->
+          <Checkbox
+            v-if="allowChannelQuizzes"
+            v-model="channelQuiz"
+            :label="$tr('channelQuizzesLabel')"
+            :indeterminate="!oneSelected"
+          />
         </VFlex>
       </VLayout>
 
@@ -308,7 +316,7 @@
   import VisibilityDropdown from 'shared/views/VisibilityDropdown';
   import Checkbox from 'shared/views/form/Checkbox';
   import { ContentKindsNames } from 'shared/leUtils/ContentKinds';
-  import { NEW_OBJECT } from 'shared/constants';
+  import { NEW_OBJECT, FeatureFlagKeys, ContentModalities } from 'shared/constants';
 
   // Define an object to act as the place holder for non unique values.
   const nonUniqueValue = {};
@@ -479,6 +487,16 @@
         },
       },
       thumbnailEncoding: generateGetterSetter('thumbnail_encoding'),
+      channelQuiz: {
+        get() {
+          const options = this.getExtraFieldsValueFromNodes('options') || {};
+          return options.modality === ContentModalities.QUIZ;
+        },
+        set(val) {
+          const options = { modality: val ? ContentModalities.QUIZ : null };
+          this.updateExtraFields({ options });
+        },
+      },
 
       /* COMPUTED PROPS */
       disableAuthEdits() {
@@ -521,6 +539,9 @@
       newContent() {
         return !this.nodes.some(n => n[NEW_OBJECT]);
       },
+      allowChannelQuizzes() {
+        return this.$store.getters.hasFeatureEnabled(FeatureFlagKeys.channel_quizzes);
+      },
     },
     watch: {
       nodes: {
@@ -656,6 +677,7 @@
       tagsLabel: 'Tags',
       noTagsFoundText: 'No results found for "{text}". Press \'Enter\' key to create a new tag',
       randomizeQuestionLabel: 'Randomize question order for learners',
+      channelQuizzesLabel: 'Allow as a channel quiz',
     },
   };
 

contentcuration/contentcuration/frontend/channelEdit/vuex/contentNode/actions.js

@@ -258,6 +258,9 @@ function generateContentNodeData({
     if (extra_fields.randomize !== undefined) {
       contentNodeData.extra_fields.randomize = extra_fields.randomize;
     }
+    if (extra_fields.options) {
+      contentNodeData.extra_fields.options = extra_fields.options;
+    }
   }
   if (prerequisite !== NOVALUE) {
     contentNodeData.prerequisite = prerequisite;
@@ -282,11 +285,21 @@ export function updateContentNode(context, { id, ...payload } = {}) {
 
   // Don't overwrite existing extra_fields data
   if (contentNodeData.extra_fields) {
+    const extraFields = node.extra_fields || {};
+
+    // Don't overwrite existing options data
+    if (contentNodeData.extra_fields.options) {
+      contentNodeData.extra_fields.options = {
+        ...(extraFields.options || {}),
+        ...contentNodeData.extra_fields.options,
+      };
+    }
+
     contentNodeData = {
       ...contentNodeData,
       extra_fields: {
-        ...(node.extra_fields || {}),
-        ...(contentNodeData.extra_fields || {}),
+        ...extraFields,
+        ...contentNodeData.extra_fields,
       },
     };
   }

contentcuration/contentcuration/frontend/shared/constants.js

@@ -157,10 +157,14 @@ export const ValidationErrors = {
 
 export const FeatureFlagsSchema = featureFlagsSchema;
 
-export const FeatureFlagKeys = Object.keys(FeatureFlagsSchema).reduce(
+export const FeatureFlagKeys = Object.keys(FeatureFlagsSchema.properties).reduce(
   (featureFlags, featureFlag) => {
     featureFlags[featureFlag] = featureFlag;
     return featureFlags;
   },
   {}
 );
+
+export const ContentModalities = {
+  QUIZ: 'QUIZ',
+};

contentcuration/contentcuration/static/feature_flags.json

@@ -8,6 +8,11 @@
       "title": "Test development feature",
       "description": "This no-op feature flag is excluded from non-dev environments",
       "$env": "development"
+    },
+    "channel_quizzes": {
+      "type": "boolean",
+      "title": "Channel quizzes",
+      "description": "Allows an exercise to be marked as a channel quiz"
     }
   },
   "examples": [

contentcuration/contentcuration/viewsets/contentnode.py

@@ -243,13 +243,18 @@ def update(self, queryset, all_validated_data):
         return all_objects
 
 
+class ExtraFieldsOptionsSerializer(JSONFieldDictSerializer):
+    modality = ChoiceField(choices=(("QUIZ", "Quiz"),), allow_null=True, required=False)
+
+
 class ExtraFieldsSerializer(JSONFieldDictSerializer):
     mastery_model = ChoiceField(
         choices=exercises.MASTERY_MODELS, allow_null=True, required=False
     )
     randomize = BooleanField()
     m = IntegerField(allow_null=True, required=False)
     n = IntegerField(allow_null=True, required=False)
+    options = ExtraFieldsOptionsSerializer(required=False)
 
 
 class TagField(DotPathValueMixin, DictField):