number of resources updates on selection

kolibri/plugins/coach/assets/src/composables/useQuizResources.js

@@ -47,31 +47,44 @@ export default function useQuizResources({ topicId } = {}) {
    *   the_resources have been updated, filtering out all topics which do not have assessments
    */
   async function annotateTopicsWithDescendantCounts(topicIds = []) {
-    return ContentNodeResource.fetchDescendantsAssessments(topicIds)
-      .then(({ data: topicsWithDescendantCounts }) => {
+    const promises = [
+      ContentNodeResource.fetchDescendantsAssessments(topicIds),
+      ContentNodeResource.fetchDescendants(topicIds, {
+        descendant__kind: ContentNodeKinds.EXERCISE,
+      }),
+    ];
+    return Promise.all(promises)
+      .then(([{ data: topicsWithAssessmentCounts }, { data: exerciseDescendants }]) => {
         const childrenWithAnnotatedTopics = get(_resources)
           .map(node => {
             // We'll map so that the topics are updated in place with the num_assessments, others
             // are left as-is
-            if (node.kind === ContentNodeKinds.TOPIC) {
-              const topic = topicsWithDescendantCounts.find(t => t.id === node.id);
-              if (topic) {
-                node.num_assessments = topic.num_assessments;
+            if ([ContentNodeKinds.TOPIC, ContentNodeKinds.CHANNEL].includes(node.kind)) {
+              const topicWithAssessments = topicsWithAssessmentCounts.find(t => t.id === node.id);
+              if (topicWithAssessments) {
+                node.num_assessments = topicWithAssessments.num_assessments;
               }
+              exerciseDescendants.forEach(exercise => {
+                if (exercise.ancestor_id === node.id) {
+                  node.num_exercises ? (node.num_exercises += 1) : (node.num_exercises = 1);
+                }
+              });
+
               if (!validateObject(node, QuizExercise)) {
-                logger.warn('Topic node was not a valid QuizExercise after annotation:', node);
+                logger.error('Topic node was not a valid QuizExercise after annotation:', node);
               }
             }
             return node;
           })
           .filter(node => {
             // Only keep topics which have assessments in them to begin with
-            if (node.kind !== ContentNodeKinds.TOPIC) {
-              return true;
-            }
-            return node.num_assessments > 0;
+            return (
+              node.kind === ContentNodeKinds.EXERCISE ||
+              ([ContentNodeKinds.TOPIC, ContentNodeKinds.CHANNEL].includes(node.kind) &&
+                node.num_assessments > 0)
+            );
           });
-        set(_resources, childrenWithAnnotatedTopics);
+        setResources(childrenWithAnnotatedTopics);
       })
       .catch(e => {
         // TODO Work out best UX for this situation -- it may depend on if we're fetching more

kolibri/plugins/coach/assets/src/views/plan/CreateExamPage/ResourceSelection.vue

@@ -129,6 +129,7 @@
         //selectFoldersOrExercises$,
         numberOfSelectedResources$,
         numberOfResources$,
+        selectedResourcesInformation$,
       } = enhancedQuizManagementStrings;
 
       // TODO let's not use text for this
@@ -227,7 +228,7 @@
           // to the value of the channels (treating those channels as the topics) -- we then
           // call this annotateTopicsWithDescendantCounts method to ensure that the channels are
           // annotated with their num_assessments and those without assessments are filtered out
-          annotateTopicsWithDescendantCounts(channels.value.map(c => c.id)).then(() => {
+          annotateTopicsWithDescendantCounts(resources.value.map(c => c.id)).then(() => {
             _loading.value = false;
           });
         });
@@ -294,6 +295,7 @@
         addToWorkingResourcePool,
         removeFromWorkingResourcePool,
         showBookmarks,
+        selectedResourcesInformation$,
       };
     },
     props: {
@@ -320,29 +322,7 @@
           this.contentList.some(content => workingResourceIds.includes(content.id))
         );
       },
-      selectionMetadata(/*content*/) {
-        // TODO This should return a function that returns a string telling us how many of this
-        // topic's descendants are selected out of its total descendants -- basically answering
-        // "How many resources in the working resource_pool are from this topic?"
-        // Tracked in https://github.com/learningequality/kolibri/issues/11741
-        return () => '';
-        // let count = 0;
-        // let total = 0;
-        // if (this.ancestorCounts[content.id]) {
-        //   count = this.ancestorCounts[content.id].count;
-        //   total = this.ancestorCounts[content.id].total;
-        // }
-        // if (count) {
-        //   return this.$tr('selectionInformation', {
-        //     count,
-        //     total,
-        //   });
-        // }
-        // return '';
-        // return function() {
-        //   console.log('Dynamic function called');
-        // };
-      },
+
       getBookmarksLink() {
         // Inject the showBookmarks parameter so that
         // the resourceSelection component now renderes only the
@@ -391,21 +371,18 @@
       },
       toggleSelected({ content, checked }) {
         if (checked) {
-          this.addToSelectedResources(content);
+          this.addToWorkingResourcePool([content]);
         } else {
           this.removeFromWorkingResourcePool(content);
         }
       },
-      addToSelectedResources(content) {
-        this.addToWorkingResourcePool([content]);
-      },
       toggleTopicInWorkingResources(isChecked) {
         if (isChecked) {
-          this.isSelectAllChecked = true;
           this.addToWorkingResourcePool(this.contentList);
         } else {
-          this.isSelectAllChecked = false;
-          this.resetWorkingResourcePool();
+          this.contentList.forEach(content => {
+            this.removeFromWorkingResourcePool(content);
+          });
         }
       },
       topicListingLink({ topicId }) {
@@ -433,19 +410,23 @@
 
         this.$router.replace(this.closePanelRoute);
       },
-      // selectionMetadata(content) {
-      //   if (content.kind === ContentNodeKinds.TOPIC) {
-      //     const count = content.exercises.filter(exercise =>
-      //       Boolean(this.selectedExercises[exercise.id])
-      //     ).length;
-      //     if (count === 0) {
-      //       return '';
-      //     }
-      //     const total = content.exercises.length;
-      //     return this.$tr('total_number', { count, total });
-      //   }
-      //   return '';
-      // },
+      selectionMetadata(content) {
+        if (content.kind === ContentNodeKinds.TOPIC) {
+          const total = content.num_exercises;
+          const numberOfresourcesSelected = this.workingResourcePool.reduce((acc, wr) => {
+            if (wr.ancestors.map(ancestor => ancestor.id).includes(content.id)) {
+              return acc + 1;
+            }
+            return acc;
+          }, 0);
+
+          return this.selectedResourcesInformation$({
+            count: numberOfresourcesSelected,
+            total: total,
+          });
+        }
+        return '';
+      },
     },
   };
 

packages/kolibri-common/strings/enhancedQuizManagementStrings.js

@@ -150,4 +150,8 @@ export const enhancedQuizManagementStrings = createTranslator('EnhancedQuizManag
   numberOfResources: {
     message: '{count, number} {count, plural, one {resource selected} other {resources selected}}',
   },
+  selectedResourcesInformation: {
+    message:
+      '{count, number, integer} of {total, number, integer} {total, plural, one {resource selected} other {resources selected}}',
+  },
 });