feat: Tagging UX refinements - refresh tag count on edit (openedx#34059)

* style: drawer-cover color updated for all tagging drawers
* feat: Update TagList component when a tag is updated on Manage tags drawer
* feat: Refactor TagCount to be able to refresh the count
* feat: Sync tag count in units

cms/djangoapps/contentstore/tests/test_contentstore.py

@@ -49,7 +49,6 @@
     delete_course,
     reverse_course_url,
     reverse_url,
-    get_taxonomy_tags_widget_url,
 )
 from cms.djangoapps.contentstore.views.component import ADVANCED_COMPONENT_TYPES
 from common.djangoapps.course_action_state.managers import CourseActionStateItemNotFoundError
@@ -1416,15 +1415,12 @@ def test_course_overview_view_with_course(self):
             course.location.course_key
         )
 
-        taxonomy_tags_widget_url = get_taxonomy_tags_widget_url(course.id)
-
         self.assertContains(
             resp,
-            '<article class="outline outline-complex outline-course" data-locator="{locator}" data-course-key="{course_key}" data-course-assets="{assets_url}" data-taxonomy-tags-widget-url="{taxonomy_tags_widget_url}" >'.format(  # lint-amnesty, pylint: disable=line-too-long
+            '<article class="outline outline-complex outline-course" data-locator="{locator}" data-course-key="{course_key}" data-course-assets="{assets_url}" >'.format(  # lint-amnesty, pylint: disable=line-too-long
                 locator=str(course.location),
                 course_key=str(course.id),
                 assets_url=assets_url,
-                taxonomy_tags_widget_url=taxonomy_tags_widget_url,
             ),
             status_code=200,
             html=True

cms/djangoapps/contentstore/views/preview.py

@@ -315,6 +315,7 @@ def _studio_wrap_xblock(xblock, view, frag, context, display_name_only=False):
             'is_reorderable': is_reorderable,
             'can_edit': can_edit,
             'can_edit_visibility': context.get('can_edit_visibility', is_course),
+            'course_authoring_url': settings.COURSE_AUTHORING_MICROFRONTEND_URL,
             'is_loading': context.get('is_loading', False),
             'is_selected': context.get('is_selected', False),
             'selectable': context.get('selectable', False),

cms/djangoapps/contentstore/views/tests/test_block.py

@@ -288,15 +288,9 @@ def test_tag_count_in_container_fragment(self, mock_get_object_tag_counts):
         self.assertEqual(resp.status_code, 200)
         usage_key = self.response_usage_key(resp)
 
-        # Get the preview HTML without tags
-        mock_get_object_tag_counts.return_value = {}
-        html, __ = self._get_container_preview(root_usage_key)
-        self.assertIn("wrapper-xblock", html)
-        self.assertNotIn('data-testid="tag-count-button"', html)
-
         # Get the preview HTML with tags
         mock_get_object_tag_counts.return_value = {
-            str(usage_key): 13
+            str(usage_key): 13,
         }
         html, __ = self._get_container_preview(root_usage_key)
         self.assertIn("wrapper-xblock", html)

cms/djangoapps/contentstore/xblock_storage_handlers/view_handlers.py

@@ -1206,6 +1206,7 @@ def create_xblock_info(  # lint-amnesty, pylint: disable=too-many-statements
             xblock_info["tags"] = tags
         if use_tagging_taxonomy_list_page():
             xblock_info["taxonomy_tags_widget_url"] = get_taxonomy_tags_widget_url()
+            xblock_info["course_authoring_url"] = settings.COURSE_AUTHORING_MICROFRONTEND_URL
 
         if course_outline:
             if xblock_info["has_explicit_staff_lock"]:

cms/static/js/factories/tag_count.js

@@ -0,0 +1,13 @@
+import * as TagCountView from 'js/views/tag_count';
+import * as TagCountModel from 'js/models/tag_count';
+
+// eslint-disable-next-line no-unused-expressions
+'use strict';
+export default function TagCountFactory(TagCountJson, el) {
+    var model = new TagCountModel(TagCountJson, {parse: true});
+    var tagCountView = new TagCountView({el, model});
+    tagCountView.setupMessageListener();
+    tagCountView.render();
+}
+
+export {TagCountFactory};

cms/static/js/models/tag_count.js

@@ -0,0 +1,13 @@
+define(['backbone', 'underscore'], function(Backbone, _) {
+    /**
+     * Model for Tag count view
+     */
+    var TagCountModel = Backbone.Model.extend({
+        defaults: {
+            content_id: null,
+            tags_count: 0,
+            course_authoring_url: null,
+        },
+    });
+    return TagCountModel;
+});

cms/static/js/views/course_outline.js

@@ -12,11 +12,11 @@ define(['jquery', 'underscore', 'js/views/xblock_outline', 'edx-ui-toolkit/js/ut
     'common/js/components/utils/view_utils', 'js/views/utils/xblock_utils',
     'js/models/xblock_outline_info', 'js/views/modals/course_outline_modals', 'js/utils/drag_and_drop',
     'common/js/components/views/feedback_notification', 'common/js/components/views/feedback_prompt',
-    'js/views/utils/tagging_drawer_utils',],
+    'js/views/utils/tagging_drawer_utils', 'js/views/tag_count', 'js/models/tag_count'],
 function(
     $, _, XBlockOutlineView, StringUtils, ViewUtils, XBlockViewUtils,
     XBlockOutlineInfo, CourseOutlineModalsFactory, ContentDragger, NotificationView, PromptView,
-    TaggingDrawerUtils
+    TaggingDrawerUtils, TagCountView, TagCountModel
 ) {
     var CourseOutlineView = XBlockOutlineView.extend({
         // takes XBlockOutlineInfo as a model
@@ -28,9 +28,28 @@ function(
             this.makeContentDraggable(this.el);
             // Show/hide the paste button
             this.initializePasteButton(this.el);
+            this.renderTagCount();
             return renderResult;
         },
 
+        renderTagCount: function() {
+            const contentId = this.model.get('id');
+            const tagCountsByUnit = this.model.get('tag_counts_by_unit')
+            const tagsCount = tagCountsByUnit !== undefined ? tagCountsByUnit[contentId] : 0
+            var countModel = new TagCountModel({
+                content_id: contentId,
+                tags_count: tagsCount,
+                course_authoring_url: this.model.get('course_authoring_url'),
+            }, {parse: true});
+            var tagCountView = new TagCountView({el: this.$('.tag-count'), model: countModel});
+            tagCountView.setupMessageListener();
+            tagCountView.render();
+            this.$('.tag-count').click((event) => {
+                event.preventDefault();
+                this.openManageTagsDrawer();
+            });
+        },
+
         shouldExpandChildren: function() {
             return this.expandedLocators.contains(this.model.get('id'));
         },
@@ -461,10 +480,8 @@ function(
         },
 
         openManageTagsDrawer() {
-            const article = document.querySelector('[data-taxonomy-tags-widget-url]');
-            const taxonomyTagsWidgetUrl = $(article).attr('data-taxonomy-tags-widget-url');
+            const taxonomyTagsWidgetUrl = this.model.get('taxonomy_tags_widget_url');
             const contentId = this.model.get('id');
-
             TaggingDrawerUtils.openDrawer(taxonomyTagsWidgetUrl, contentId);
         },
 

cms/static/js/views/pages/container.js

@@ -111,6 +111,7 @@ function($, _, Backbone, gettext, BasePage,
                     el: this.$('.unit-tags'),
                     model: this.model
                 });
+                this.tagListView.setupMessageListener();
                 this.tagListView.render();
 
                 this.unitOutlineView = new UnitOutlineView({

cms/static/js/views/pages/container_subviews.js

@@ -370,6 +370,83 @@ function($, _, gettext, BaseView, ViewUtils, XBlockViewUtils, MoveXBlockUtils, H
             }
         },
 
+        setupMessageListener: function () {
+            window.addEventListener(
+                "message", (event) => {
+                    // Listen any message from Manage tags drawer.
+                    var data = event.data;
+                    var courseAuthoringUrl = this.model.get("course_authoring_url")
+                    if (event.origin == courseAuthoringUrl
+                        && data.includes('[Manage tags drawer] Tags updated:')) {
+                        // This message arrives when there is a change in the tag list.
+                        // The message contains the new list of tags.
+                        let jsonData = data.replace(/\[Manage tags drawer\] Tags updated: /g, "");
+                        jsonData = JSON.parse(jsonData);
+                        if (jsonData.contentId == this.model.id) {
+                            this.model.set('tags', this.buildTaxonomyTree(jsonData));
+                            this.render();
+                        }
+                    }
+                },
+            );
+        },
+
+        buildTaxonomyTree: function(data) {
+            // TODO We can use this function for the initial request of tags
+            // and avoid to use two functions (see get_unit_tags on contentstore/views/component.py)
+
+            var taxonomyList = [];
+            var totalCount = 0;
+            var actualId = 0;
+            data.taxonomies.forEach((taxonomy) => {
+                // Build a tag tree for each taxonomy
+                var rootTagsValues = [];
+                var tags = {};
+                taxonomy.tags.forEach((tag) => {
+                    // Creates the tags for all the lineage of this tag
+                    for (let i = tag.lineage.length - 1; i >= 0; i--){
+                        var tagValue = tag.lineage[i]
+                        var tagProcessedBefore = tags.hasOwnProperty(tagValue);
+                        if (!tagProcessedBefore) {
+                            tags[tagValue] = {
+                                id: actualId,
+                                value: tagValue,
+                                children: [],
+                            }
+                            actualId++;
+                            if (i == 0) {
+                                rootTagsValues.push(tagValue);
+                            }
+                        }
+                        if (i !== tag.lineage.length - 1) {
+                            // Add a child into the children list
+                            tags[tagValue].children.push(tags[tag.lineage[i + 1]])
+                        }
+                        if (tagProcessedBefore) {
+                            // Break this loop if the tag has been processed before,
+                            // we don't need to process lineage again to avoid duplicates.
+                            break;
+                        }
+                    }
+                })
+
+                var tagCount = Object.keys(tags).length;
+                // Add the tree to the taxonomy list
+                taxonomyList.push({
+                    id: taxonomy.taxonomyId,
+                    value: taxonomy.name,
+                    tags: rootTagsValues.map(rootValue => tags[rootValue]),
+                    count: tagCount,
+                });
+                totalCount += tagCount;
+            });
+
+            return {
+                count: totalCount,
+                taxonomies: taxonomyList,
+            };
+        },
+
         handleKeyDownOnHeader: function(event) {
             if (event.key === 'Enter' || event.key === ' ') {
                 event.preventDefault();

cms/static/js/views/tag_count.js

@@ -0,0 +1,54 @@
+define(['jquery', 'underscore', 'js/views/baseview', 'edx-ui-toolkit/js/utils/html-utils'],
+function($, _, BaseView, HtmlUtils) {
+    'use strict';
+
+    /**
+     * TagCountView displays the tag count of a unit/component
+     * 
+     * This component is being rendered in this way to allow receiving
+     * messages from the Manage tags drawer and being able to update the count.
+     */
+    var TagCountView = BaseView.extend({
+        // takes TagCountModel as a model
+
+        initialize: function() {
+            BaseView.prototype.initialize.call(this);
+            this.template = this.loadTemplate('tag-count');
+        },
+
+        setupMessageListener: function () {
+            window.addEventListener(
+                'message', (event) => {
+                    // Listen any message from Manage tags drawer.
+                    var data = event.data;
+                    var courseAuthoringUrl = this.model.get("course_authoring_url")
+                    if (event.origin == courseAuthoringUrl
+                        && data.includes('[Manage tags drawer] Count updated:')) {
+                        // This message arrives when there is a change in the tag list.
+                        // The message contains the new count of tags.
+                        let jsonData = data.replace(/\[Manage tags drawer\] Count updated: /g, "");
+                        jsonData = JSON.parse(jsonData);
+                        if (jsonData.contentId == this.model.get("content_id")) {
+                            this.model.set('tags_count', jsonData.count);
+                            this.render();
+                        }
+                    }
+                }
+            );
+        },
+
+        render: function() {
+            HtmlUtils.setHtml(
+                this.$el,
+                HtmlUtils.HTML(
+                    this.template({
+                        tags_count: this.model.get("tags_count"),
+                    })
+                )
+            );
+            return this;
+        }
+    });
+
+    return TagCountView;
+});

cms/static/sass/elements/_drawer.scss

@@ -13,6 +13,10 @@
   background: rgba(0, 0, 0, 0.8);
 }
 
+.drawer-cover.gray-cover {
+  background: rgba(112, 112, 112, 0.8);
+}
+
 .drawer {
   @extend %ui-depth4;
 

cms/templates/container.html

@@ -281,5 +281,5 @@ <h5 class="title">${_("Location ID")}</h5>
 </div>
 
 <div id="manage-tags-drawer" class="drawer"></div>
-<div class="drawer-cover"></div>
+<div class="drawer-cover gray-cover"></div>
 </%block>

cms/templates/course_outline.html

@@ -29,7 +29,7 @@
 
 <%block name="header_extras">
 <link rel="stylesheet" type="text/css" href="${static.url('js/vendor/timepicker/jquery.timepicker.css')}" />
-% for template_name in ['course-outline', 'xblock-string-field-editor', 'basic-modal', 'modal-button', 'course-outline-modal', 'due-date-editor', 'self-paced-due-date-editor', 'release-date-editor', 'grading-editor', 'publish-editor', 'staff-lock-editor', 'unit-access-editor', 'discussion-editor', 'content-visibility-editor', 'verification-access-editor', 'timed-examination-preference-editor', 'access-editor', 'settings-modal-tabs', 'show-correctness-editor', 'highlights-editor', 'highlights-enable-editor', 'course-highlights-enable', 'course-video-sharing-enable', 'summary-configuration-editor']:
+% for template_name in ['course-outline', 'xblock-string-field-editor', 'basic-modal', 'modal-button', 'course-outline-modal', 'due-date-editor', 'self-paced-due-date-editor', 'release-date-editor', 'grading-editor', 'publish-editor', 'staff-lock-editor', 'unit-access-editor', 'discussion-editor', 'content-visibility-editor', 'verification-access-editor', 'timed-examination-preference-editor', 'access-editor', 'settings-modal-tabs', 'show-correctness-editor', 'highlights-editor', 'highlights-enable-editor', 'course-highlights-enable', 'course-video-sharing-enable', 'summary-configuration-editor', 'tag-count']:
 <script type="text/template" id="${template_name}-tpl">
     <%static:include path="js/${template_name}.underscore" />
 </script>
@@ -281,7 +281,7 @@ <h3 class="sr">${_("Page Actions")}</h3>
                 assets_url = reverse('assets_handler', kwargs={'course_key_string': str(course_locator.course_key)})
                 %>
                 <h2 class="sr">${_("Course Outline")}</h2>
-                <article class="outline outline-complex outline-course" data-locator="${course_locator}" data-course-key="${course_locator.course_key}" data-course-assets="${assets_url}" data-taxonomy-tags-widget-url="${taxonomy_tags_widget_url}">
+                <article class="outline outline-complex outline-course" data-locator="${course_locator}" data-course-key="${course_locator.course_key}" data-course-assets="${assets_url}">
                 </article>
             </div>
             <div class="ui-loading">
@@ -323,5 +323,5 @@ <h3 class="title-3">${_("Changing the content learners see")}</h3>
 </div>
 
 <div id="manage-tags-drawer" class="drawer"></div>
-<div class="drawer-cover"></div>
+<div class="drawer-cover gray-cover"></div>
 </%block>

cms/templates/js/course-outline.underscore

@@ -7,7 +7,8 @@ var hasPartitionGroups = xblockInfo.get('has_partition_group_components');
 var userPartitionInfo = xblockInfo.get('user_partition_info');
 var selectedGroupsLabel = userPartitionInfo['selected_groups_label'];
 var selectedPartitionIndex = userPartitionInfo['selected_partition_index'];
-var tagsCount = (xblockInfo.get('tag_counts_by_unit') || {})[xblockInfo.get('id')] || 0;
+var xblockId = xblockInfo.get('id')
+var tagsCount = (xblockInfo.get('tag_counts_by_unit') || {})[xblockId] || 0;
 
 var statusMessages = [];
 var messageType;
@@ -171,14 +172,8 @@ if (is_proctored_exam) {
                     </li>
                 <% } %>
 
-                <% if (xblockInfo.isVertical() && typeof useTaggingTaxonomyListPage !== "undefined" && useTaggingTaxonomyListPage && tagsCount > 0) { %>
-                    <li class="action-item">
-                        <a href="#" data-tooltip="<%- gettext('Manage Tags') %>" class="manage-tags-button action-button">
-                            <span class="icon fa fa-tag" aria-hidden="true"></span>
-                            <span><%- tagsCount %></span>
-                            <span class="sr action-button-text"><%- gettext('Manage Tags') %></span>
-                        </a>
-                    </li>
+                <% if (xblockInfo.isVertical() && typeof useTaggingTaxonomyListPage !== "undefined" && useTaggingTaxonomyListPage) { %>
+                    <li class="action-item tag-count" data-locator="<%- xblockId %>"></li>
                 <% } %>
 
                 <% if (typeof enableCopyPasteUnits !== "undefined" && enableCopyPasteUnits) { %>

cms/templates/js/tag-count.underscore

@@ -0,0 +1,7 @@
+<% if (tags_count && tags_count > 0) { %>
+<button data-tooltip="<%- gettext("Manage Tags") %>" class="btn-default action-button manage-tags-button" data-testid="tag-count-button">
+    <span class="icon fa fa-tag" aria-hidden="true"></span>
+    <span><%- tags_count %></span>
+    <span class="sr action-button-text"><%- gettext("Manage Tags") %></span>
+</button>
+<% } %>