Implement resolving design comments

- resolve discussion on click
- resolve discussion on comment with checkbox
- toggle resolved discussions
- toggle comments for resolved discussions
- change resolved discussions styles

app/assets/javascripts/design_management/components/design_note_pin.vue

@@ -13,7 +13,7 @@ export default {
       required: true,
     },
     label: {
-      type: String,
+      type: Number,
       required: false,
       default: null,
     },

app/assets/javascripts/design_management/components/design_notes/design_discussion.vue

 <script>
 import { ApolloMutation } from 'vue-apollo';
+import { GlTooltipDirective, GlIcon, GlLoadingIcon, GlLink } from '@gitlab/ui';
+import { s__ } from '~/locale';
 import ReplyPlaceholder from '~/notes/components/discussion_reply_placeholder.vue';
+import TimeAgoTooltip from '~/vue_shared/components/time_ago_tooltip.vue';
 import allVersionsMixin from '../../mixins/all_versions';
 import createNoteMutation from '../../graphql/mutations/createNote.mutation.graphql';
+import toggleResolveDiscussionMutation from '../../graphql/mutations/toggle_resolve_discussion.mutation.graphql';
 import getDesignQuery from '../../graphql/queries/getDesign.query.graphql';
 import activeDiscussionQuery from '../../graphql/queries/active_discussion.query.graphql';
 import DesignNote from './design_note.vue';
 import DesignReplyForm from './design_reply_form.vue';
 import { updateStoreAfterAddDiscussionComment } from '../../utils/cache_update';
 import { ACTIVE_DISCUSSION_SOURCE_TYPES } from '../../constants';
+import ToggleRepliesWidget from './toggle_replies_widget.vue';
 
 export default {
   components: {
@@ -16,6 +21,14 @@ export default {
     DesignNote,
     ReplyPlaceholder,
     DesignReplyForm,
+    GlIcon,
+    GlLoadingIcon,
+    GlLink,
+    ToggleRepliesWidget,
+    TimeAgoTooltip,
+  },
+  directives: {
+    GlTooltip: GlTooltipDirective,
   },
   mixins: [allVersionsMixin],
   props: {
@@ -31,15 +44,15 @@ export default {
       type: String,
       required: true,
     },
-    discussionIndex: {
-      type: Number,
-      required: true,
-    },
     markdownPreviewPath: {
       type: String,
       required: false,
       default: '',
     },
+    resolvedDiscussionsExpanded: {
+      type: Boolean,
+      required: true,
+    },
   },
   apollo: {
     activeDiscussion: {
@@ -49,6 +62,7 @@ export default {
         // We watch any changes to the active discussion from the design pins and scroll to this discussion if it exists
         // We don't want scrollIntoView to be triggered from the discussion click itself
         if (
+          this.resolvedDiscussionsExpanded &&
           discussionId &&
           data.activeDiscussion.source === ACTIVE_DISCUSSION_SOURCE_TYPES.pin &&
           discussionId === this.discussion.notes[0].id
@@ -66,6 +80,9 @@ export default {
       discussionComment: '',
       isFormRendered: false,
       activeDiscussion: {},
+      isResolving: false,
+      shouldChangeResolvedStatus: false,
+      areRepliesCollapsed: this.discussion.resolved,
     };
   },
   computed: {
@@ -87,6 +104,29 @@ export default {
     isDiscussionHighlighted() {
       return this.discussion.notes[0].id === this.activeDiscussion.id;
     },
+    resolveCheckboxText() {
+      return this.discussion.resolved
+        ? s__('DesignManagement|Unresolve thread')
+        : s__('DesignManagement|Resolve thread');
+    },
+    firstNote() {
+      return this.discussion.notes[0];
+    },
+    discussionReplies() {
+      return this.discussion.notes.slice(1);
+    },
+    areRepliesShown() {
+      return !this.discussion.resolved || !this.areRepliesCollapsed;
+    },
+    resolveIconName() {
+      return this.discussion.resolved ? 'check-circle-filled' : 'check-circle';
+    },
+    isRepliesWidgetVisible() {
+      return this.discussion.resolved && this.discussionReplies.length > 0;
+    },
+    isReplyPlaceholderVisible() {
+      return this.areRepliesShown || !this.discussionReplies.length;
+    },
   },
   methods: {
     addDiscussionComment(
@@ -106,9 +146,12 @@ export default {
     onDone() {
       this.discussionComment = '';
       this.hideForm();
+      if (this.shouldChangeResolvedStatus) {
+        this.toggleResolvedStatus();
+      }
     },
-    onError(err) {
-      this.$emit('error', err);
+    onCreateNoteError(err) {
+      this.$emit('createNoteError', err);
     },
     hideForm() {
       this.isFormRendered = false;
@@ -123,6 +166,25 @@ export default {
       }
       this.isFormRendered = false;
     },
+    toggleResolvedStatus() {
+      this.isResolving = true;
+      this.$apollo
+        .mutate({
+          mutation: toggleResolveDiscussionMutation,
+          variables: { id: this.discussion.id, resolve: !this.discussion.resolved },
+        })
+        .then(({ data }) => {
+          if (data.errors?.length > 0) {
+            this.$emit('resolveDiscussionError', data.errors[0]);
+          }
+        })
+        .catch(err => {
+          this.$emit('resolveDiscussionError', err);
+        })
+        .finally(() => {
+          this.isResolving = false;
+        });
+    },
   },
   createNoteMutation,
 };
@@ -130,20 +192,69 @@ export default {
 
 <template>
   <div class="design-discussion-wrapper">
-    <div class="badge badge-pill" type="button">{{ discussionIndex }}</div>
     <div
-      class="design-discussion bordered-box position-relative"
+      class="badge badge-pill gl-display-flex gl-align-items-center gl-justify-content-center"
+      :class="{ resolved: discussion.resolved }"
+      type="button"
+    >
+      {{ discussion.index }}
+    </div>
+    <ul
+      class="design-discussion bordered-box gl-relative gl-p-0 gl-list-style-none"
       data-qa-selector="design_discussion_content"
     >
       <design-note
-        v-for="note in discussion.notes"
+        :note="firstNote"
+        :markdown-preview-path="markdownPreviewPath"
+        :is-resolving="isResolving"
+        :class="{ 'gl-bg-blue-50': isDiscussionHighlighted }"
+        @error="$emit('updateNoteError', $event)"
+      >
+        <template v-if="discussion.resolvable" #resolveDiscussion>
+          <button
+            v-gl-tooltip
+            :class="{ 'is-active': discussion.resolved }"
+            :title="resolveCheckboxText"
+            :aria-label="resolveCheckboxText"
+            type="button"
+            class="line-resolve-btn note-action-button gl-mr-3"
+            data-testid="resolve-button"
+            @click.stop="toggleResolvedStatus"
+          >
+            <gl-icon v-if="!isResolving" :name="resolveIconName" data-testid="resolve-icon" />
+            <gl-loading-icon v-else inline />
+          </button>
+        </template>
+        <template v-if="discussion.resolved" #resolvedStatus>
+          <p class="gl-text-gray-700 gl-font-sm gl-m-0 gl-mt-5" data-testid="resolved-message">
+            {{ __('Resolved by') }}
+            <gl-link
+              class="gl-text-gray-700 gl-text-decoration-none gl-font-sm link-inherit-color"
+              :href="discussion.resolvedBy.webUrl"
+              target="_blank"
+              >{{ discussion.resolvedBy.name }}</gl-link
+            >
+            <time-ago-tooltip :time="discussion.resolvedAt" tooltip-placement="bottom" />
+          </p>
+        </template>
+      </design-note>
+      <toggle-replies-widget
+        v-if="isRepliesWidgetVisible"
+        :collapsed="areRepliesCollapsed"
+        :replies="discussionReplies"
+        @toggle="areRepliesCollapsed = !areRepliesCollapsed"
+      />
+      <design-note
+        v-for="note in discussionReplies"
+        v-show="areRepliesShown"
         :key="note.id"
         :note="note"
         :markdown-preview-path="markdownPreviewPath"
+        :is-resolving="isResolving"
         :class="{ 'gl-bg-blue-50': isDiscussionHighlighted }"
         @error="$emit('updateNoteError', $event)"
       />
-      <div class="reply-wrapper">
+      <li v-show="isReplyPlaceholderVisible" class="reply-wrapper">
         <reply-placeholder
           v-if="!isFormRendered"
           class="qa-discussion-reply"
@@ -159,7 +270,7 @@ export default {
           }"
           :update="addDiscussionComment"
           @done="onDone"
-          @error="onError"
+          @error="onCreateNoteError"
         >
           <design-reply-form
             v-model="discussionComment"
@@ -168,9 +279,16 @@ export default {
             @submitForm="mutate"
             @cancelForm="hideForm"
             @onBlur="handleReplyFormBlur"
-          />
+          >
+            <template v-if="discussion.resolvable" #resolveCheckbox>
+              <label data-testid="resolve-checkbox">
+                <input v-model="shouldChangeResolvedStatus" type="checkbox" />
+                {{ resolveCheckboxText }}
+              </label>
+            </template>
+          </design-reply-form>
         </apollo-mutation>
-      </div>
-    </div>
+      </li>
+    </ul>
   </div>
 </template>

app/assets/javascripts/design_management/components/design_notes/design_note.vue

@@ -54,6 +54,9 @@ export default {
         body: this.noteText,
       };
     },
+    isEditButtonVisible() {
+      return !this.isEditing && this.note.userPermissions.adminNote;
+    },
   },
   mounted() {
     if (this.isNoteLinked) {
@@ -107,23 +110,28 @@ export default {
           </template>
         </span>
       </div>
-      <button
-        v-if="!isEditing && note.userPermissions.adminNote"
-        v-gl-tooltip
-        type="button"
-        title="Edit comment"
-        class="note-action-button js-note-edit btn btn-transparent qa-note-edit-button"
-        @click="isEditing = true"
-      >
-        <gl-icon name="pencil" class="link-highlight" />
-      </button>
+      <div class="gl-display-flex">
+        <slot name="resolveDiscussion"></slot>
+        <button
+          v-if="isEditButtonVisible"
+          v-gl-tooltip
+          type="button"
+          :title="__('Edit comment')"
+          class="note-action-button js-note-edit btn btn-transparent qa-note-edit-button"
+          @click="isEditing = true"
+        >
+          <gl-icon name="pencil" class="link-highlight" />
+        </button>
+      </div>
     </div>
-    <div
-      v-if="!isEditing"
-      class="note-text js-note-text md"
-      data-qa-selector="note_content"
-      v-html="note.bodyHtml"
-    ></div>
+    <template v-if="!isEditing">
+      <div
+        class="note-text js-note-text md"
+        data-qa-selector="note_content"
+        v-html="note.bodyHtml"
+      ></div>
+      <slot name="resolvedStatus"></slot>
+    </template>
     <apollo-mutation
       v-else
       #default="{ mutate, loading }"

app/assets/javascripts/design_management/components/design_notes/design_reply_form.vue

@@ -108,7 +108,8 @@ export default {
         </textarea>
       </template>
     </markdown-field>
-    <div class="note-form-actions d-flex justify-content-between">
+    <slot name="resolveCheckbox"></slot>
+    <div class="note-form-actions gl-display-flex gl-justify-content-space-between">
       <gl-deprecated-button
         ref="submitButton"
         :disabled="!hasValue || isSaving"

app/assets/javascripts/design_management/components/design_notes/toggle_replies_widget.vue

+<script>
+import { GlIcon, GlButton, GlLink } from '@gitlab/ui';
+import { __, n__ } from '~/locale';
+import TimeAgoTooltip from '~/vue_shared/components/time_ago_tooltip.vue';
+
+export default {
+  name: 'ToggleNotesWidget',
+  components: {
+    GlIcon,
+    GlButton,
+    GlLink,
+    TimeAgoTooltip,
+  },
+  props: {
+    collapsed: {
+      type: Boolean,
+      required: true,
+    },
+    replies: {
+      type: Array,
+      required: true,
+    },
+  },
+  computed: {
+    lastReply() {
+      return this.replies[this.replies.length - 1];
+    },
+    iconName() {
+      return this.collapsed ? 'chevron-right' : 'chevron-down';
+    },
+    toggleText() {
+      return this.collapsed
+        ? `${this.replies.length} ${n__('reply', 'replies', this.replies.length)}`
+        : __('Collapse replies');
+    },
+  },
+};
+</script>
+
+<template>
+  <li
+    class="toggle-comments gl-bg-gray-50 gl-display-flex gl-align-items-center gl-py-3"
+    :class="{ expanded: !collapsed }"
+    data-testid="toggle-comments-wrapper"
+  >
+    <gl-icon :name="iconName" class="gl-ml-3" @click.stop="$emit('toggle')" />
+    <gl-button
+      variant="link"
+      class="toggle-comments-button gl-ml-2 gl-mr-2"
+      @click.stop="$emit('toggle')"
+    >
+      {{ toggleText }}
+    </gl-button>
+    <template v-if="collapsed">
+      <span class="gl-text-gray-700">{{ __('Last reply by') }}</span>
+      <gl-link
+        :href="lastReply.author.webUrl"
+        target="_blank"
+        class="link-inherit-color gl-text-black-normal gl-text-decoration-none gl-font-weight-bold gl-ml-2 gl-mr-2"
+      >
+        {{ lastReply.author.name }}
+      </gl-link>
+      <time-ago-tooltip
+        :time="lastReply.createdAt"
+        tooltip-placement="bottom"
+        class="gl-text-gray-700"
+      />
+    </template>
+  </li>
+</template>

app/assets/javascripts/design_management/components/design_overlay.vue

@@ -33,6 +33,10 @@ export default {
       required: false,
       default: false,
     },
+    resolvedDiscussionsExpanded: {
+      type: Boolean,
+      required: true,
+    },
   },
   apollo: {
     activeDiscussion: {
@@ -236,6 +240,9 @@ export default {
     isNoteInactive(note) {
       return this.activeDiscussion.id && this.activeDiscussion.id !== note.id;
     },
+    designPinClass(note) {
+      return { inactive: this.isNoteInactive(note), resolved: note.resolved };
+    },
   },
 };
 </script>
@@ -254,20 +261,23 @@ export default {
       data-qa-selector="design_image_button"
       @mouseup="onAddCommentMouseup"
     ></button>
-    <design-note-pin
-      v-for="(note, index) in notes"
-      :key="note.id"
-      :label="`${index + 1}`"
-      :repositioning="isMovingNote(note.id)"
-      :position="
-        isMovingNote(note.id) && movingNoteNewPosition
-          ? getNotePositionStyle(movingNoteNewPosition)
-          : getNotePositionStyle(note.position)
-      "
-      :class="{ inactive: isNoteInactive(note) }"
-      @mousedown.stop="onNoteMousedown($event, note)"
-      @mouseup.stop="onNoteMouseup(note)"
-    />
+    <template v-for="note in notes">
+      <design-note-pin
+        v-if="resolvedDiscussionsExpanded || !note.resolved"
+        :key="note.id"
+        :label="note.index"
+        :repositioning="isMovingNote(note.id)"
+        :position="
+          isMovingNote(note.id) && movingNoteNewPosition
+            ? getNotePositionStyle(movingNoteNewPosition)
+            : getNotePositionStyle(note.position)
+        "
+        :class="designPinClass(note)"
+        @mousedown.stop="onNoteMousedown($event, note)"
+        @mouseup.stop="onNoteMouseup(note)"
+      />
+    </template>
+
     <design-note-pin
       v-if="currentCommentForm"
       :position="currentCommentPositionStyle"

app/assets/javascripts/design_management/components/design_presentation.vue

@@ -35,6 +35,10 @@ export default {
       required: false,
       default: 1,
     },
+    resolvedDiscussionsExpanded: {
+      type: Boolean,
+      required: true,
+    },
   },
   data() {
     return {
@@ -54,7 +58,10 @@ export default {
   },
   computed: {
     discussionStartingNotes() {
-      return this.discussions.map(discussion => discussion.notes[0]);
+      return this.discussions.map(discussion => ({
+        ...discussion.notes[0],
+        index: discussion.index,
+      }));
     },
     currentCommentForm() {
       return (this.isAnnotating && this.currentAnnotationPosition) || null;
@@ -305,6 +312,7 @@ export default {
         :notes="discussionStartingNotes"
         :current-comment-form="currentCommentForm"
         :disable-commenting="isDraggingDesign"
+        :resolved-discussions-expanded="resolvedDiscussionsExpanded"
         @openCommentForm="openCommentForm"
         @closeCommentForm="closeCommentForm"
         @moveNote="moveNote"

app/assets/javascripts/design_management/components/design_sidebar.vue

+<script>
+import { s__ } from '~/locale';
+import Cookies from 'js-cookie';
+import { parseBoolean } from '~/lib/utils/common_utils';
+import { GlCollapse, GlButton, GlPopover } from '@gitlab/ui';
+import updateActiveDiscussionMutation from '../graphql/mutations/update_active_discussion.mutation.graphql';
+import { extractDiscussions, extractParticipants } from '../utils/design_management_utils';
+import { ACTIVE_DISCUSSION_SOURCE_TYPES } from '../constants';
+import DesignDiscussion from './design_notes/design_discussion.vue';
+import Participants from '~/sidebar/components/participants/participants.vue';
+
+export default {
+  components: {
+    DesignDiscussion,
+    Participants,
+    GlCollapse,
+    GlButton,
+    GlPopover,
+  },
+  props: {
+    design: {
+      type: Object,
+      required: true,
+    },
+    resolvedDiscussionsExpanded: {
+      type: Boolean,
+      required: true,
+    },
+    markdownPreviewPath: {
+      type: String,
+      required: true,
+    },
+  },
+  data() {
+    return {
+      isResolvedCommentsPopoverHidden: parseBoolean(Cookies.get(this.$options.cookieKey)),
+    };
+  },
+  computed: {
+    discussions() {
+      return extractDiscussions(this.design.discussions);
+    },
+    issue() {
+      return {
+        ...this.design.issue,
+        webPath: this.design.issue.webPath.substr(1),
+      };
+    },
+    discussionParticipants() {
+      return extractParticipants(this.issue.participants);
+    },
+    resolvedDiscussions() {
+      return this.discussions.filter(discussion => discussion.resolved);
+    },
+    unresolvedDiscussions() {
+      return this.discussions.filter(discussion => !discussion.resolved);
+    },
+    resolvedCommentsToggleIcon() {
+      return this.resolvedDiscussionsExpanded ? 'chevron-down' : 'chevron-right';
+    },
+  },
+  methods: {
+    handleSidebarClick() {
+      this.isResolvedCommentsPopoverHidden = true;
+      Cookies.set(this.$options.cookieKey, 'true', { expires: 365 * 10 });
+      this.updateActiveDiscussion();
+    },
+    updateActiveDiscussion(id) {
+      this.$apollo.mutate({
+        mutation: updateActiveDiscussionMutation,
+        variables: {
+          id,
+          source: ACTIVE_DISCUSSION_SOURCE_TYPES.discussion,
+        },
+      });
+    },
+    closeCommentForm() {
+      this.comment = '';
+      this.$emit('closeCommentForm');
+    },
+  },
+  resolveCommentsToggleText: s__('DesignManagement|Resolved Comments'),
+  cookieKey: 'hide_design_resolved_comments_popover',
+};
+</script>
+
+<template>
+  <div class="image-notes" @click="handleSidebarClick">
+    <h2 class="gl-font-weight-bold gl-mt-0">
+      {{ issue.title }}
+    </h2>
+    <a
+      class="gl-text-gray-600 gl-text-decoration-none gl-mb-6 gl-display-block"
+      :href="issue.webUrl"
+      >{{ issue.webPath }}</a
+    >
+    <participants
+      :participants="discussionParticipants"
+      :show-participant-label="false"
+      class="gl-mb-4"
+    />
+    <h2
+      v-if="unresolvedDiscussions.length === 0"
+      class="new-discussion-disclaimer gl-font-base gl-m-0 gl-mb-4"
+      data-testid="new-discussion-disclaimer"
+    >
+      {{ s__("DesignManagement|Click the image where you'd like to start a new discussion") }}
+    </h2>
+    <design-discussion
+      v-for="discussion in unresolvedDiscussions"
+      :key="discussion.id"
+      :discussion="discussion"
+      :design-id="$route.params.id"
+      :noteable-id="design.id"
+      :markdown-preview-path="markdownPreviewPath"
+      :resolved-discussions-expanded="resolvedDiscussionsExpanded"
+      data-testid="unresolved-discussion"
+      @createNoteError="$emit('onDesignDiscussionError', $event)"
+      @updateNoteError="$emit('updateNoteError', $event)"
+      @resolveDiscussionError="$emit('resolveDiscussionError', $event)"
+      @click.native.stop="updateActiveDiscussion(discussion.notes[0].id)"
+    />
+    <template v-if="resolvedDiscussions.length > 0">
+      <gl-button
+        id="resolved-comments"
+        data-testid="resolved-comments"
+        :icon="resolvedCommentsToggleIcon"
+        variant="link"
+        class="link-inherit-color gl-text-black-normal gl-text-decoration-none gl-font-weight-bold gl-mb-4"
+        @click="$emit('toggleResolvedComments')"
+        >{{ $options.resolveCommentsToggleText }} ({{ resolvedDiscussions.length }})
+      </gl-button>
+      <gl-popover
+        v-if="!isResolvedCommentsPopoverHidden"
+        :show="!isResolvedCommentsPopoverHidden"
+        target="resolved-comments"
+        container="popovercontainer"
+        placement="top"
+        :title="s__('DesignManagement|Resolved Comments')"
+      >
+        <p>
+          {{
+            s__(
+              'DesignManagement|Comments you resolve can be viewed and unresolved by going to the "Resolved Comments" section below',
+            )
+          }}
+        </p>
+        <a href="#" rel="noopener noreferrer" target="_blank">{{
+          s__('DesignManagement|Learn more about resolving comments')
+        }}</a>
+      </gl-popover>
+      <gl-collapse :visible="resolvedDiscussionsExpanded" class="gl-mt-3">
+        <design-discussion
+          v-for="discussion in resolvedDiscussions"
+          :key="discussion.id"
+          :discussion="discussion"
+          :design-id="$route.params.id"
+          :noteable-id="design.id"
+          :markdown-preview-path="markdownPreviewPath"
+          :resolved-discussions-expanded="resolvedDiscussionsExpanded"
+          data-testid="resolved-discussion"
+          @error="$emit('onDesignDiscussionError', $event)"
+          @updateNoteError="$emit('updateNoteError', $event)"
+          @click.native.stop="updateActiveDiscussion(discussion.notes[0].id)"
+        />
+      </gl-collapse>
+    </template>
+    <slot name="replyForm"></slot>
+  </div>
+</template>

app/assets/javascripts/design_management/graphql/fragments/design.fragment.graphql

 #import "./designNote.fragment.graphql"
 #import "./designList.fragment.graphql"
 #import "./diffRefs.fragment.graphql"
+#import "./discussion_resolved_status.fragment.graphql"
 
 fragment DesignItem on Design {
   ...DesignListItem
@@ -12,6 +13,7 @@ fragment DesignItem on Design {
     nodes {
       id
       replyId
+      ...ResolvedStatus
       notes {
         nodes {
           ...DesignNote

app/assets/javascripts/design_management/graphql/fragments/designNote.fragment.graphql

@@ -10,6 +10,7 @@ fragment DesignNote on Note {
   body
   bodyHtml
   createdAt
+  resolved
   position {
     diffRefs {
       ...DesignDiffRefs

app/assets/javascripts/design_management/graphql/fragments/discussion_resolved_status.fragment.graphql

+fragment ResolvedStatus on Discussion {
+  resolvable
+  resolved
+  resolvedAt
+  resolvedBy {
+    name
+    webUrl
+  }
+}

app/assets/javascripts/design_management/graphql/mutations/toggle_resolve_discussion.mutation.graphql

+#import "../fragments/designNote.fragment.graphql"
+#import "../fragments/discussion_resolved_status.fragment.graphql"
+
+mutation toggleResolveDiscussion($id: ID!, $resolve: Boolean!) {
+  discussionToggleResolve(input: { id: $id, resolve: $resolve }) {
+    discussion {
+      id
+      ...ResolvedStatus
+      notes {
+        nodes {
+          ...DesignNote
+        }
+      }
+    }
+    errors
+  }
+}

app/assets/javascripts/design_management/pages/design/index.vue

 <script>
-import { ApolloMutation } from 'vue-apollo';
 import Mousetrap from 'mousetrap';
 import { GlLoadingIcon, GlAlert } from '@gitlab/ui';
+import { ApolloMutation } from 'vue-apollo';
 import createFlash from '~/flash';
 import { fetchPolicies } from '~/lib/graphql';
 import allVersionsMixin from '../../mixins/all_versions';
 import Toolbar from '../../components/toolbar/index.vue';
-import DesignDiscussion from '../../components/design_notes/design_discussion.vue';
-import DesignReplyForm from '../../components/design_notes/design_reply_form.vue';
 import DesignDestroyer from '../../components/design_destroyer.vue';
 import DesignScaler from '../../components/design_scaler.vue';
-import Participants from '~/sidebar/components/participants/participants.vue';
 import DesignPresentation from '../../components/design_presentation.vue';
+import DesignReplyForm from '../../components/design_notes/design_reply_form.vue';
+import DesignSidebar from '../../components/design_sidebar.vue';
 import getDesignQuery from '../../graphql/queries/getDesign.query.graphql';
 import appDataQuery from '../../graphql/queries/appData.query.graphql';
 import createImageDiffNoteMutation from '../../graphql/mutations/createImageDiffNote.mutation.graphql';
@@ -20,7 +19,6 @@ import updateActiveDiscussionMutation from '../../graphql/mutations/update_activ
 import {
   extractDiscussions,
   extractDesign,
-  extractParticipants,
   updateImageDiffNoteOptimisticResponse,
 } from '../../utils/design_management_utils';
 import {
@@ -43,15 +41,14 @@ import { ACTIVE_DISCUSSION_SOURCE_TYPES } from '../../constants';
 export default {
   components: {
     ApolloMutation,
+    DesignReplyForm,
     DesignPresentation,
-    DesignDiscussion,
     DesignScaler,
     DesignDestroyer,
     Toolbar,
-    DesignReplyForm,
     GlLoadingIcon,
     GlAlert,
-    Participants,
+    DesignSidebar,
   },
   mixins: [allVersionsMixin],
   props: {
@@ -69,6 +66,7 @@ export default {
       errorMessage: '',
       issueIid: '',
       scale: 1,
+      resolvedDiscussionsExpanded: false,
     };
   },
   apollo: {
@@ -103,20 +101,17 @@ export default {
       return this.$apollo.queries.design.loading && !this.design.filename;
     },
     discussions() {
+      if (!this.design.discussions) {
+        return [];
+      }
       return extractDiscussions(this.design.discussions);
     },
-    discussionParticipants() {
-      return extractParticipants(this.design.issue.participants);
-    },
     markdownPreviewPath() {
       return `/${this.projectPath}/preview_markdown?target_type=Issue`;
     },
     isSubmitButtonDisabled() {
       return this.comment.trim().length === 0;
     },
-    renderDiscussions() {
-      return this.discussions.length || this.annotationCoordinates;
-    },
     designVariables() {
       return {
         fullPath: this.projectPath,
@@ -144,15 +139,19 @@ export default {
         },
       };
     },
-    issue() {
-      return {
-        ...this.design.issue,
-        webPath: this.design.issue.webPath.substr(1),
-      };
-    },
     isAnnotating() {
       return Boolean(this.annotationCoordinates);
     },
+    resolvedDiscussions() {
+      return this.discussions.filter(discussion => discussion.resolved);
+    },
+  },
+  watch: {
+    resolvedDiscussions(val) {
+      if (!val.length) {
+        this.resolvedDiscussionsExpanded = false;
+      }
+    },
   },
   mounted() {
     Mousetrap.bind('esc', this.closeDesign);
@@ -250,6 +249,9 @@ export default {
     onDesignDeleteError(e) {
       this.onError(designDeletionError({ singular: true }), e);
     },
+    onResolveDiscussionError(e) {
+      this.onError(UPDATE_IMAGE_DIFF_NOTE_ERROR, e);
+    },
     openCommentForm(annotationCoordinates) {
       this.annotationCoordinates = annotationCoordinates;
     },
@@ -281,6 +283,9 @@ export default {
         },
       });
     },
+    toggleResolvedComments() {
+      this.resolvedDiscussionsExpanded = !this.resolvedDiscussionsExpanded;
+    },
   },
   createImageDiffNoteMutation,
   DESIGNS_ROUTE_NAME,
@@ -323,6 +328,7 @@ export default {
           :discussions="discussions"
           :is-annotating="isAnnotating"
           :scale="scale"
+          :resolved-discussions-expanded="resolvedDiscussionsExpanded"
           @openCommentForm="openCommentForm"
           @closeCommentForm="closeCommentForm"
           @moveNote="onMoveNote"
@@ -332,33 +338,19 @@ export default {
           <design-scaler @scale="scale = $event" />
         </div>
       </div>
-      <div class="image-notes" @click="updateActiveDiscussion()">
-        <h2 class="gl-font-size-20-deprecated-no-really-do-not-use-me font-weight-bold mt-0">
-          {{ issue.title }}
-        </h2>
-        <a class="text-tertiary text-decoration-none mb-3 d-block" :href="issue.webUrl">{{
-          issue.webPath
-        }}</a>
-        <participants
-          :participants="discussionParticipants"
-          :show-participant-label="false"
-          class="mb-4"
-        />
-        <template v-if="renderDiscussions">
-          <design-discussion
-            v-for="(discussion, index) in discussions"
-            :key="discussion.id"
-            :discussion="discussion"
-            :design-id="id"
-            :noteable-id="design.id"
-            :discussion-index="index + 1"
-            :markdown-preview-path="markdownPreviewPath"
-            @error="onDesignDiscussionError"
-            @updateNoteError="onUpdateNoteError"
-            @click.native.stop="updateActiveDiscussion(discussion.notes[0].id)"
-          />
+      <design-sidebar
+        :design="design"
+        :resolved-discussions-expanded="resolvedDiscussionsExpanded"
+        :markdown-preview-path="markdownPreviewPath"
+        @onDesignDiscussionError="onDesignDiscussionError"
+        @onCreateImageDiffNoteError="onCreateImageDiffNoteError"
+        @updateNoteError="onUpdateNoteError"
+        @resolveDiscussionError="onResolveDiscussionError"
+        @toggleResolvedComments="toggleResolvedComments"
+      >
+        <template #replyForm>
           <apollo-mutation
-            v-if="annotationCoordinates"
+            v-if="isAnnotating"
             #default="{ mutate, loading }"
             :mutation="$options.createImageDiffNoteMutation"
             :variables="{
@@ -374,13 +366,9 @@ export default {
               :markdown-preview-path="markdownPreviewPath"
               @submitForm="mutate"
               @cancelForm="closeCommentForm"
-            />
-          </apollo-mutation>
-        </template>
-        <h2 v-else class="new-discussion-disclaimer gl-font-base m-0">
-          {{ __("Click the image where you'd like to start a new discussion") }}
-        </h2>
-      </div>
+            /> </apollo-mutation
+        ></template>
+      </design-sidebar>
     </template>
   </div>
 </template>

app/assets/javascripts/design_management/utils/cache_update.js

@@ -95,6 +95,10 @@ const addImageDiffNoteToStore = (store, createImageDiffNote, query, variables) =
     __typename: 'Discussion',
     id: createImageDiffNote.note.discussion.id,
     replyId: createImageDiffNote.note.discussion.replyId,
+    resolvable: true,
+    resolved: false,
+    resolvedAt: null,
+    resolvedBy: null,
     notes: {
       __typename: 'NoteConnection',
       nodes: [createImageDiffNote.note],

app/assets/javascripts/design_management/utils/design_management_utils.js

@@ -21,8 +21,9 @@ export const extractNodes = elements => elements.edges.map(({ node }) => node);
  */
 
 export const extractDiscussions = discussions =>
-  discussions.nodes.map(discussion => ({
+  discussions.nodes.map((discussion, index) => ({
     ...discussion,
+    index: index + 1,
     notes: discussion.notes.nodes,
   }));
 

app/assets/stylesheets/components/design_management/design.scss

@@ -20,6 +20,20 @@
       }
     }
   }
+
+  .badge.badge-pill {
+    display: flex;
+    height: 28px;
+    width: 28px;
+    background-color: $blue-400;
+    color: $white;
+    border: $white 1px solid;
+    border-radius: 50%;
+
+    &.resolved {
+      background-color: $gray-700;
+    }
+  }
 }
 
 .design-presentation-wrapper {
@@ -52,14 +66,31 @@
   min-width: 400px;
   flex-basis: 28%;
 
+  .link-inherit-color {
+    &:hover,
+    &:active,
+    &:focus {
+      color: inherit;
+      text-decoration: none;
+    }
+  }
+
+  .toggle-comments {
+    line-height: 20px;
+    border-top: 1px solid $border-color;
+
+    &.expanded {
+      border-bottom: 1px solid $border-color;
+    }
+
+    .toggle-comments-button:focus {
+      text-decoration: none;
+      color: $blue-600;
+    }
+  }
+
   .badge.badge-pill {
     margin-left: $gl-padding;
-    background-color: $blue-400;
-    color: $white;
-    border: $white 1px solid;
-    min-height: 28px;
-    padding: 7px 10px;
-    border-radius: $gl-padding;
   }
 
   .design-discussion {

changelogs/unreleased/13049-design-view-allow-comment-pins-on-designs-to-be-resolvable.yml

+---
+title: "[Frontend] Resolvable design discussions"
+merge_request: 32399
+author:
+type: added

doc/user/project/issues/design_management.md

@@ -177,6 +177,22 @@ Different discussions have different pin numbers:
 From GitLab 12.5 on, new discussions will be outputted to the issue activity,
 so that everyone involved can participate in the discussion.
 
+## Resolve Design threads
+
+> [Introduced](https://gitlab.com/gitlab-org/gitlab/-/issues/13049) in GitLab 13.1.
+
+Discussion threads can be resolved on Designs. You can mark a thread as resolved
+or unresolved by clicking the **Resolve thread** icon at the first comment of the
+discussion.
+
+![Resolve thread icon](img/resolve_design-discussion_icon_v13_1.png)
+
+Pinned comments can also be resolved or unresolved in their threads.
+When replying to a comment, you will see a checkbox that you can click in order to resolve or unresolve
+the thread once published.
+
+![Resolve checkbox](img/resolve_design-discussion_checkbox_v13_1.png)
+
 ## Referring to designs in Markdown
 
 > - [Introduced](https://gitlab.com/gitlab-org/gitlab/-/issues/217160) in **GitLab 13.1**.

locale/gitlab.pot

@@ -4451,9 +4451,6 @@ msgstr ""
 msgid "Click the button below to begin the install process by navigating to the Kubernetes page"
 msgstr ""
 
-msgid "Click the image where you'd like to start a new discussion"
-msgstr ""
-
 msgid "Click to expand it."
 msgstr ""
 
@@ -5528,6 +5525,9 @@ msgstr ""
 msgid "Collapse child epics"
 msgstr ""
 
+msgid "Collapse replies"
+msgstr ""
+
 msgid "Collapse sidebar"
 msgstr ""
 
@@ -7519,9 +7519,15 @@ msgstr ""
 msgid "DesignManagement|Cancel comment update confirmation"
 msgstr ""
 
+msgid "DesignManagement|Click the image where you'd like to start a new discussion"
+msgstr ""
+
 msgid "DesignManagement|Comment"
 msgstr ""
 
+msgid "DesignManagement|Comments you resolve can be viewed and unresolved by going to the \"Resolved Comments\" section below"
+msgstr ""
+
 msgid "DesignManagement|Could not add a new comment. Please try again."
 msgstr ""
 
@@ -7567,9 +7573,18 @@ msgstr ""
 msgid "DesignManagement|Keep comment"
 msgstr ""
 
+msgid "DesignManagement|Learn more about resolving comments"
+msgstr ""
+
 msgid "DesignManagement|Requested design version does not exist. Showing latest version instead"
 msgstr ""
 
+msgid "DesignManagement|Resolve thread"
+msgstr ""
+
+msgid "DesignManagement|Resolved Comments"
+msgstr ""
+
 msgid "DesignManagement|Save comment"
 msgstr ""
 
@@ -7582,6 +7597,9 @@ msgstr ""
 msgid "DesignManagement|To enable design management, you'll need to  %{requirements_link_start}meet the requirements%{requirements_link_end}. If you need help, reach out to our %{support_link_start}support team%{support_link_end} for assistance."
 msgstr ""
 
+msgid "DesignManagement|Unresolve thread"
+msgstr ""
+
 msgid "DesignManagement|Upload designs"
 msgstr ""
 
@@ -18657,6 +18675,9 @@ msgstr ""
 msgid "Resolved all discussions."
 msgstr ""
 
+msgid "Resolved by"
+msgstr ""
+
 msgid "Resolved by %{name}"
 msgstr ""
 

spec/frontend/design_management/components/design_note_pin_spec.js

@@ -26,7 +26,7 @@ describe('Design note pin component', () => {
   });
 
   it('should match the snapshot of note with index', () => {
-    createComponent({ label: '1' });
+    createComponent({ label: 1 });
     expect(wrapper.element).toMatchSnapshot();
   });
 

spec/frontend/design_management/components/design_notes/__snapshots__/design_note_spec.js.snap

@@ -50,12 +50,18 @@ exports[`Design note component should match the snapshot 1`] = `
       </span>
     </div>
      
-    <!---->
+    <div
+      class="gl-display-flex"
+    >
+       
+      <!---->
+    </div>
   </div>
    
   <div
     class="note-text js-note-text md"
     data-qa-selector="note_content"
   />
+   
 </timeline-entry-item-stub>
 `;

spec/frontend/design_management/components/design_notes/design_discussion_spec.js

-import { shallowMount } from '@vue/test-utils';
-import { ApolloMutation } from 'vue-apollo';
+import { mount } from '@vue/test-utils';
+import { GlLoadingIcon } from '@gitlab/ui';
+import notes from '../../mock_data/notes';
 import DesignDiscussion from '~/design_management/components/design_notes/design_discussion.vue';
 import DesignNote from '~/design_management/components/design_notes/design_note.vue';
 import DesignReplyForm from '~/design_management/components/design_notes/design_reply_form.vue';
 import createNoteMutation from '~/design_management/graphql/mutations/createNote.mutation.graphql';
+import toggleResolveDiscussionMutation from '~/design_management/graphql/mutations/toggle_resolve_discussion.mutation.graphql';
 import ReplyPlaceholder from '~/notes/components/discussion_reply_placeholder.vue';
+import ToggleRepliesWidget from '~/design_management/components/design_notes/toggle_replies_widget.vue';
+
+const discussion = {
+  id: '0',
+  resolved: false,
+  resolvable: true,
+  notes,
+};
 
 describe('Design discussions component', () => {
   let wrapper;
 
+  const findDesignNotes = () => wrapper.findAll(DesignNote);
   const findReplyPlaceholder = () => wrapper.find(ReplyPlaceholder);
   const findReplyForm = () => wrapper.find(DesignReplyForm);
+  const findRepliesWidget = () => wrapper.find(ToggleRepliesWidget);
+  const findResolveButton = () => wrapper.find('[data-testid="resolve-button"]');
+  const findResolveIcon = () => wrapper.find('[data-testid="resolve-icon"]');
+  const findResolvedMessage = () => wrapper.find('[data-testid="resolved-message"]');
+  const findResolveLoadingIcon = () => wrapper.find(GlLoadingIcon);
+  const findResolveCheckbox = () => wrapper.find('[data-testid="resolve-checkbox"]');
 
   const mutationVariables = {
     mutation: createNoteMutation,
@@ -29,19 +46,10 @@ describe('Design discussions component', () => {
   };
 
   function createComponent(props = {}, data = {}) {
-    wrapper = shallowMount(DesignDiscussion, {
+    wrapper = mount(DesignDiscussion, {
       propsData: {
-        discussion: {
-          id: '0',
-          notes: [
-            {
-              id: '1',
-            },
-            {
-              id: '2',
-            },
-          ],
-        },
+        resolvedDiscussionsExpanded: true,
+        discussion,
         noteableId: 'noteable-id',
         designId: 'design-id',
         discussionIndex: 1,
@@ -52,11 +60,12 @@ describe('Design discussions component', () => {
           ...data,
         };
       },
-      stubs: {
-        ReplyPlaceholder,
-        ApolloMutation,
+      mocks: {
+        $apollo,
+        $route: {
+          hash: '#note_1',
+        },
       },
-      mocks: { $apollo },
     });
   }
 
@@ -64,14 +73,139 @@ describe('Design discussions component', () => {
     wrapper.destroy();
   });
 
-  it('renders correct amount of discussion notes', () => {
-    createComponent();
-    expect(wrapper.findAll(DesignNote)).toHaveLength(2);
+  describe('when discussion is not resolvable', () => {
+    beforeEach(() => {
+      createComponent({
+        discussion: {
+          ...discussion,
+          resolvable: false,
+        },
+      });
+    });
+
+    it('does not render an icon to resolve a thread', () => {
+      expect(findResolveIcon().exists()).toBe(false);
+    });
+
+    it('does not render a checkbox in reply form', () => {
+      findReplyPlaceholder().vm.$emit('onMouseDown');
+
+      return wrapper.vm.$nextTick().then(() => {
+        expect(findResolveCheckbox().exists()).toBe(false);
+      });
+    });
   });
 
-  it('renders reply placeholder by default', () => {
-    createComponent();
-    expect(findReplyPlaceholder().exists()).toBe(true);
+  describe('when discussion is unresolved', () => {
+    beforeEach(() => {
+      createComponent();
+    });
+
+    it('renders correct amount of discussion notes', () => {
+      expect(findDesignNotes()).toHaveLength(2);
+      expect(findDesignNotes().wrappers.every(w => w.isVisible())).toBe(true);
+    });
+
+    it('renders reply placeholder', () => {
+      expect(findReplyPlaceholder().isVisible()).toBe(true);
+    });
+
+    it('does not render toggle replies widget', () => {
+      expect(findRepliesWidget().exists()).toBe(false);
+    });
+
+    it('renders a correct icon to resolve a thread', () => {
+      expect(findResolveIcon().props('name')).toBe('check-circle');
+    });
+
+    it('renders a checkbox with Resolve thread text in reply form', () => {
+      findReplyPlaceholder().vm.$emit('onMouseDown');
+
+      return wrapper.vm.$nextTick().then(() => {
+        expect(findResolveCheckbox().text()).toBe('Resolve thread');
+      });
+    });
+
+    it('does not render resolved message', () => {
+      expect(findResolvedMessage().exists()).toBe(false);
+    });
+  });
+
+  describe('when discussion is resolved', () => {
+    beforeEach(() => {
+      createComponent({
+        discussion: {
+          ...discussion,
+          resolved: true,
+          resolvedBy: notes[0].author,
+          resolvedAt: '2020-05-08T07:10:45Z',
+        },
+      });
+    });
+
+    it('shows only the first note', () => {
+      expect(
+        findDesignNotes()
+          .at(0)
+          .isVisible(),
+      ).toBe(true);
+      expect(
+        findDesignNotes()
+          .at(1)
+          .isVisible(),
+      ).toBe(false);
+    });
+
+    it('renders resolved message', () => {
+      expect(findResolvedMessage().exists()).toBe(true);
+    });
+
+    it('does not show renders reply placeholder', () => {
+      expect(findReplyPlaceholder().isVisible()).toBe(false);
+    });
+
+    it('renders toggle replies widget with correct props', () => {
+      expect(findRepliesWidget().exists()).toBe(true);
+      expect(findRepliesWidget().props()).toEqual({
+        collapsed: true,
+        replies: notes.slice(1),
+      });
+    });
+
+    it('renders a correct icon to resolve a thread', () => {
+      expect(findResolveIcon().props('name')).toBe('check-circle-filled');
+    });
+
+    describe('when replies are expanded', () => {
+      beforeEach(() => {
+        findRepliesWidget().vm.$emit('toggle');
+        return wrapper.vm.$nextTick();
+      });
+
+      it('renders replies widget with collapsed prop equal to false', () => {
+        expect(findRepliesWidget().props('collapsed')).toBe(false);
+      });
+
+      it('renders the second note', () => {
+        expect(
+          findDesignNotes()
+            .at(1)
+            .isVisible(),
+        ).toBe(true);
+      });
+
+      it('renders a reply placeholder', () => {
+        expect(findReplyPlaceholder().isVisible()).toBe(true);
+      });
+
+      it('renders a checkbox with Unresolve thread text in reply form', () => {
+        findReplyPlaceholder().vm.$emit('onMouseDown');
+
+        return wrapper.vm.$nextTick().then(() => {
+          expect(findResolveCheckbox().text()).toBe('Unresolve thread');
+        });
+      });
+    });
   });
 
   it('hides reply placeholder and opens form on placeholder click', () => {
@@ -120,7 +254,7 @@ describe('Design discussions component', () => {
       {},
       {
         activeDiscussion: {
-          id: '1',
+          id: notes[0].id,
           source: 'pin',
         },
       },
@@ -148,4 +282,35 @@ describe('Design discussions component', () => {
       expect(findReplyForm().exists()).toBe(true);
     });
   });
+
+  it('calls toggleResolveDiscussion mutation on resolve thread button click', () => {
+    createComponent();
+    findResolveButton().trigger('click');
+    expect(mutate).toHaveBeenCalledWith({
+      mutation: toggleResolveDiscussionMutation,
+      variables: {
+        id: discussion.id,
+        resolve: true,
+      },
+    });
+    return wrapper.vm.$nextTick(() => {
+      expect(findResolveLoadingIcon().exists()).toBe(true);
+    });
+  });
+
+  it('calls toggleResolveDiscussion mutation after adding a note if checkbox was checked', () => {
+    createComponent({}, { discussionComment: 'test', isFormRendered: true });
+    findResolveButton().trigger('click');
+    findReplyForm().vm.$emit('submitForm');
+
+    return mutate().then(() => {
+      expect(mutate).toHaveBeenCalledWith({
+        mutation: toggleResolveDiscussionMutation,
+        variables: {
+          id: discussion.id,
+          resolve: true,
+        },
+      });
+    });
+  });
 });

spec/frontend/design_management/components/design_notes/toggle_replies_widget_spec.js

+import { shallowMount } from '@vue/test-utils';
+import { GlIcon, GlButton, GlLink } from '@gitlab/ui';
+import TimeAgoTooltip from '~/vue_shared/components/time_ago_tooltip.vue';
+import ToggleRepliesWidget from '~/design_management/components/design_notes/toggle_replies_widget.vue';
+import notes from '../../mock_data/notes';
+
+describe('Toggle replies widget component', () => {
+  let wrapper;
+
+  const findToggleWrapper = () => wrapper.find('[data-testid="toggle-comments-wrapper"]');
+  const findIcon = () => wrapper.find(GlIcon);
+  const findButton = () => wrapper.find(GlButton);
+  const findAuthorLink = () => wrapper.find(GlLink);
+  const findTimeAgo = () => wrapper.find(TimeAgoTooltip);
+
+  function createComponent(props = {}) {
+    wrapper = shallowMount(ToggleRepliesWidget, {
+      propsData: {
+        collapsed: true,
+        replies: notes,
+        ...props,
+      },
+    });
+  }
+
+  afterEach(() => {
+    wrapper.destroy();
+  });
+
+  describe('when replies are collapsed', () => {
+    beforeEach(() => {
+      createComponent();
+    });
+
+    it('should not have expanded class', () => {
+      expect(findToggleWrapper().classes()).not.toContain('expanded');
+    });
+
+    it('should render chevron-right icon', () => {
+      expect(findIcon().props('name')).toBe('chevron-right');
+    });
+
+    it('should have replies length on button', () => {
+      expect(findButton().text()).toBe('2 replies');
+    });
+
+    it('should render a link to the last reply author', () => {
+      expect(findAuthorLink().exists()).toBe(true);
+      expect(findAuthorLink().text()).toBe(notes[1].author.name);
+      expect(findAuthorLink().attributes('href')).toBe(notes[1].author.webUrl);
+    });
+
+    it('should render correct time ago tooltip', () => {
+      expect(findTimeAgo().exists()).toBe(true);
+      expect(findTimeAgo().props('time')).toBe(notes[1].createdAt);
+    });
+  });
+
+  describe('when replies are expanded', () => {
+    beforeEach(() => {
+      createComponent({ collapsed: false });
+    });
+
+    it('should have expanded class', () => {
+      expect(findToggleWrapper().classes()).toContain('expanded');
+    });
+
+    it('should render chevron-down icon', () => {
+      expect(findIcon().props('name')).toBe('chevron-down');
+    });
+
+    it('should have Collapse replies text on button', () => {
+      expect(findButton().text()).toBe('Collapse replies');
+    });
+
+    it('should not have a link to the last reply author', () => {
+      expect(findAuthorLink().exists()).toBe(false);
+    });
+
+    it('should not render time ago tooltip', () => {
+      expect(findTimeAgo().exists()).toBe(false);
+    });
+  });
+
+  it('should emit toggle event on icon click', () => {
+    createComponent();
+    findIcon().vm.$emit('click', new MouseEvent('click'));
+
+    expect(wrapper.emitted('toggle')).toHaveLength(1);
+  });
+
+  it('should emit toggle event on button click', () => {
+    createComponent();
+    findButton().vm.$emit('click', new MouseEvent('click'));
+
+    expect(wrapper.emitted('toggle')).toHaveLength(1);
+  });
+});

spec/frontend/design_management/components/design_overlay_spec.js

@@ -12,6 +12,7 @@ describe('Design overlay component', () => {
   const mockDimensions = { width: 100, height: 100 };
   const mockNoteNotAuthorised = {
     id: 'note-not-authorised',
+    index: 1,
     discussion: { id: 'discussion-not-authorised' },
     position: {
       x: 1,
@@ -19,6 +20,7 @@ describe('Design overlay component', () => {
       ...mockDimensions,
     },
     userPermissions: {},
+    resolved: false,
   };
 
   const findOverlay = () => wrapper.find('.image-diff-overlay');
@@ -43,6 +45,7 @@ describe('Design overlay component', () => {
           top: '0',
           left: '0',
         },
+        resolvedDiscussionsExpanded: false,
         ...props,
       },
       data() {
@@ -88,19 +91,46 @@ describe('Design overlay component', () => {
   });
 
   describe('with notes', () => {
-    beforeEach(() => {
+    it('should render only the first note', () => {
       createComponent({
         notes,
       });
+      expect(findAllNotes()).toHaveLength(1);
     });
 
-    it('should render a correct amount of notes', () => {
-      expect(findAllNotes()).toHaveLength(notes.length);
-    });
+    describe('with resolved discussions toggle expanded', () => {
+      beforeEach(() => {
+        createComponent({
+          notes,
+          resolvedDiscussionsExpanded: true,
+        });
+      });
+
+      it('should render all notes', () => {
+        expect(findAllNotes()).toHaveLength(notes.length);
+      });
+
+      it('should have set the correct position for each note badge', () => {
+        expect(findFirstBadge().attributes().style).toBe('left: 10px; top: 15px;');
+        expect(findSecondBadge().attributes().style).toBe('left: 50px; top: 50px;');
+      });
+
+      it('should apply resolved class to the resolved note pin', () => {
+        expect(findSecondBadge().classes()).toContain('resolved');
+      });
+
+      it('when there is an active discussion, should apply inactive class to all pins besides the active one', () => {
+        wrapper.setData({
+          activeDiscussion: {
+            id: notes[0].id,
+            source: 'discussion',
+          },
+        });
 
-    it('should have a correct style for each note badge', () => {
-      expect(findFirstBadge().attributes().style).toBe('left: 10px; top: 15px;');
-      expect(findSecondBadge().attributes().style).toBe('left: 50px; top: 50px;');
+        return wrapper.vm.$nextTick().then(() => {
+          expect(findSecondBadge().classes()).toContain('inactive');
+        });
+      });
     });
 
     it('should recalculate badges positions on window resize', () => {
@@ -144,19 +174,6 @@ describe('Design overlay component', () => {
         expect(mutate).toHaveBeenCalledWith(mutationVariables);
       });
     });
-
-    it('when there is an active discussion, should apply inactive class to all pins besides the active one', () => {
-      wrapper.setData({
-        activeDiscussion: {
-          id: notes[0].id,
-          source: 'discussion',
-        },
-      });
-
-      return wrapper.vm.$nextTick().then(() => {
-        expect(findSecondBadge().classes()).toContain('inactive');
-      });
-    });
   });
 
   describe('when moving notes', () => {

spec/frontend/design_management/components/design_presentation_spec.js

@@ -17,7 +17,13 @@ describe('Design management design presentation component', () => {
   let wrapper;
 
   function createComponent(
-    { image, imageName, discussions = [], isAnnotating = false } = {},
+    {
+      image,
+      imageName,
+      discussions = [],
+      isAnnotating = false,
+      resolvedDiscussionsExpanded = false,
+    } = {},
     data = {},
     stubs = {},
   ) {
@@ -27,6 +33,7 @@ describe('Design management design presentation component', () => {
         imageName,
         discussions,
         isAnnotating,
+        resolvedDiscussionsExpanded,
       },
       stubs,
     });

spec/frontend/design_management/components/design_sidebar_spec.js

+import { shallowMount } from '@vue/test-utils';
+import { GlCollapse, GlPopover } from '@gitlab/ui';
+import Cookies from 'js-cookie';
+import DesignSidebar from '~/design_management/components/design_sidebar.vue';
+import Participants from '~/sidebar/components/participants/participants.vue';
+import DesignDiscussion from '~/design_management/components/design_notes/design_discussion.vue';
+import design from '../mock_data/design';
+import updateActiveDiscussionMutation from '~/design_management/graphql/mutations/update_active_discussion.mutation.graphql';
+
+const updateActiveDiscussionMutationVariables = {
+  mutation: updateActiveDiscussionMutation,
+  variables: {
+    id: design.discussions.nodes[0].notes.nodes[0].id,
+    source: 'discussion',
+  },
+};
+
+const $route = {
+  params: {
+    id: '1',
+  },
+};
+
+const cookieKey = 'hide_design_resolved_comments_popover';
+
+const mutate = jest.fn().mockResolvedValue();
+
+describe('Design management design sidebar component', () => {
+  let wrapper;
+
+  const findDiscussions = () => wrapper.findAll(DesignDiscussion);
+  const findFirstDiscussion = () => findDiscussions().at(0);
+  const findUnresolvedDiscussions = () => wrapper.findAll('[data-testid="unresolved-discussion"]');
+  const findResolvedDiscussions = () => wrapper.findAll('[data-testid="resolved-discussion"]');
+  const findParticipants = () => wrapper.find(Participants);
+  const findCollapsible = () => wrapper.find(GlCollapse);
+  const findToggleResolvedCommentsButton = () => wrapper.find('[data-testid="resolved-comments"]');
+  const findPopover = () => wrapper.find(GlPopover);
+  const findNewDiscussionDisclaimer = () =>
+    wrapper.find('[data-testid="new-discussion-disclaimer"]');
+
+  function createComponent(props = {}) {
+    wrapper = shallowMount(DesignSidebar, {
+      propsData: {
+        design,
+        resolvedDiscussionsExpanded: false,
+        markdownPreviewPath: '',
+        ...props,
+      },
+      mocks: {
+        $route,
+        $apollo: {
+          mutate,
+        },
+      },
+    });
+  }
+
+  afterEach(() => {
+    wrapper.destroy();
+  });
+
+  it('renders participants', () => {
+    createComponent();
+
+    expect(findParticipants().exists()).toBe(true);
+  });
+
+  it('passes the correct amount of participants to the Participants component', () => {
+    createComponent();
+
+    expect(findParticipants().props('participants')).toHaveLength(1);
+  });
+
+  describe('when has no discussions', () => {
+    beforeEach(() => {
+      createComponent({
+        design: {
+          ...design,
+          discussions: {
+            nodes: [],
+          },
+        },
+      });
+    });
+
+    it('does not render discussions', () => {
+      expect(findDiscussions().exists()).toBe(false);
+    });
+
+    it('renders a message about possibility to create a new discussion', () => {
+      expect(findNewDiscussionDisclaimer().exists()).toBe(true);
+    });
+  });
+
+  describe('when has discussions', () => {
+    beforeEach(() => {
+      Cookies.set(cookieKey, true);
+      createComponent();
+    });
+
+    it('renders correct amount of unresolved discussions', () => {
+      expect(findUnresolvedDiscussions()).toHaveLength(1);
+    });
+
+    it('renders correct amount of resolved discussions', () => {
+      expect(findResolvedDiscussions()).toHaveLength(1);
+    });
+
+    it('has resolved comments collapsible collapsed', () => {
+      expect(findCollapsible().attributes('visible')).toBeUndefined();
+    });
+
+    it('emits toggleResolveComments event on resolve comments button click', () => {
+      findToggleResolvedCommentsButton().vm.$emit('click');
+      expect(wrapper.emitted('toggleResolvedComments')).toHaveLength(1);
+    });
+
+    it('opens a collapsible when resolvedDiscussionsExpanded prop changes to true', () => {
+      expect(findCollapsible().attributes('visible')).toBeUndefined();
+      wrapper.setProps({
+        resolvedDiscussionsExpanded: true,
+      });
+      return wrapper.vm.$nextTick().then(() => {
+        expect(findCollapsible().attributes('visible')).toBe('true');
+      });
+    });
+
+    it('does not popover about resolved comments', () => {
+      expect(findPopover().exists()).toBe(false);
+    });
+
+    it('sends a mutation to set an active discussion when clicking on a discussion', () => {
+      findFirstDiscussion().trigger('click');
+
+      expect(mutate).toHaveBeenCalledWith(updateActiveDiscussionMutationVariables);
+    });
+
+    it('sends a mutation to reset an active discussion when clicking outside of discussion', () => {
+      wrapper.trigger('click');
+
+      expect(mutate).toHaveBeenCalledWith({
+        ...updateActiveDiscussionMutationVariables,
+        variables: { id: undefined, source: 'discussion' },
+      });
+    });
+
+    it('emits correct event on discussion create note error', () => {
+      findFirstDiscussion().vm.$emit('createNoteError', 'payload');
+      expect(wrapper.emitted('onDesignDiscussionError')).toEqual([['payload']]);
+    });
+
+    it('emits correct event on discussion update note error', () => {
+      findFirstDiscussion().vm.$emit('updateNoteError', 'payload');
+      expect(wrapper.emitted('updateNoteError')).toEqual([['payload']]);
+    });
+
+    it('emits correct event on discussion resolve error', () => {
+      findFirstDiscussion().vm.$emit('resolveDiscussionError', 'payload');
+      expect(wrapper.emitted('resolveDiscussionError')).toEqual([['payload']]);
+    });
+  });
+
+  describe('when all discussions are resolved', () => {
+    beforeEach(() => {
+      createComponent({
+        design: {
+          ...design,
+          discussions: {
+            nodes: [
+              {
+                id: 'discussion-id',
+                replyId: 'discussion-reply-id',
+                resolved: true,
+                notes: {
+                  nodes: [
+                    {
+                      id: 'note-id',
+                      body: '123',
+                      author: {
+                        name: 'Administrator',
+                        username: 'root',
+                        webUrl: 'link-to-author',
+                        avatarUrl: 'link-to-avatar',
+                      },
+                    },
+                  ],
+                },
+              },
+            ],
+          },
+        },
+      });
+    });
+
+    it('renders a message about possibility to create a new discussion', () => {
+      expect(findNewDiscussionDisclaimer().exists()).toBe(true);
+    });
+
+    it('does not render unresolved discussions', () => {
+      expect(findUnresolvedDiscussions()).toHaveLength(0);
+    });
+  });
+
+  describe('when showing resolved discussions for the first time', () => {
+    beforeEach(() => {
+      Cookies.set(cookieKey, false);
+      createComponent();
+    });
+
+    it('renders a popover if we show resolved comments collapsible for the first time', () => {
+      expect(findPopover().exists()).toBe(true);
+    });
+
+    it('dismisses a popover on the outside click', () => {
+      wrapper.trigger('click');
+      return wrapper.vm.$nextTick(() => {
+        expect(findPopover().exists()).toBe(false);
+      });
+    });
+
+    it(`sets a ${cookieKey} cookie on clicking outside the popover`, () => {
+      jest.spyOn(Cookies, 'set');
+      wrapper.trigger('click');
+      expect(Cookies.set).toHaveBeenCalledWith(cookieKey, 'true', { expires: 365 * 10 });
+    });
+  });
+});

spec/frontend/design_management/mock_data/design.js

@@ -29,6 +29,7 @@ export default {
       {
         id: 'discussion-id',
         replyId: 'discussion-reply-id',
+        resolved: false,
         notes: {
           nodes: [
             {
@@ -44,6 +45,25 @@ export default {
           ],
         },
       },
+      {
+        id: 'discussion-resolved',
+        replyId: 'discussion-reply-resolved',
+        resolved: true,
+        notes: {
+          nodes: [
+            {
+              id: 'note-resolved',
+              body: '123',
+              author: {
+                name: 'Administrator',
+                username: 'root',
+                webUrl: 'link-to-author',
+                avatarUrl: 'link-to-avatar',
+              },
+            },
+          ],
+        },
+      },
     ],
   },
   diffRefs: {

spec/frontend/design_management/mock_data/notes.js

 export default [
   {
     id: 'note-id-1',
+    index: 1,
     position: {
       height: 100,
       width: 100,
       x: 10,
       y: 15,
     },
+    author: {
+      name: 'John',
+      webUrl: 'link-to-john-profile',
+    },
+    createdAt: '2020-05-08T07:10:45Z',
     userPermissions: {
       adminNote: true,
     },
     discussion: {
       id: 'discussion-id-1',
     },
+    resolved: false,
   },
   {
     id: 'note-id-2',
+    index: 2,
     position: {
       height: 50,
       width: 50,
       x: 25,
       y: 25,
     },
+    author: {
+      name: 'Mary',
+      webUrl: 'link-to-mary-profile',
+    },
+    createdAt: '2020-05-08T07:10:45Z',
     userPermissions: {
       adminNote: true,
     },
     discussion: {
       id: 'discussion-id-2',
     },
+    resolved: true,
   },
 ];

spec/frontend/design_management/pages/design/__snapshots__/index_spec.js.snap

@@ -16,7 +16,7 @@ exports[`Design management design index page renders design index 1`] = `
     <!---->
      
     <design-presentation-stub
-      discussions="[object Object]"
+      discussions="[object Object],[object Object]"
       image="test.jpg"
       imagename="test.jpg"
       scale="1"
@@ -33,58 +33,84 @@ exports[`Design management design index page renders design index 1`] = `
     class="image-notes"
   >
     <h2
-      class="gl-font-size-20-deprecated-no-really-do-not-use-me font-weight-bold mt-0"
+      class="gl-font-weight-bold gl-mt-0"
     >
       
-        My precious issue
-      
+    My precious issue
+  
     </h2>
      
     <a
-      class="text-tertiary text-decoration-none mb-3 d-block"
+      class="gl-text-gray-600 gl-text-decoration-none gl-mb-6 gl-display-block"
       href="full-issue-url"
     >
       ull-issue-path
     </a>
      
     <participants-stub
-      class="mb-4"
+      class="gl-mb-4"
       numberoflessparticipants="7"
       participants="[object Object]"
     />
      
-    <div
-      class="design-discussion-wrapper"
+    <!---->
+     
+    <design-discussion-stub
+      data-testid="unresolved-discussion"
+      designid="test"
+      discussion="[object Object]"
+      markdownpreviewpath="//preview_markdown?target_type=Issue"
+      noteableid="design-id"
+    />
+     
+    <gl-button-stub
+      category="tertiary"
+      class="link-inherit-color gl-text-black-normal gl-text-decoration-none gl-font-weight-bold gl-mb-4"
+      data-testid="resolved-comments"
+      icon="chevron-right"
+      id="resolved-comments"
+      size="medium"
+      variant="link"
     >
-      <div
-        class="badge badge-pill"
-        type="button"
-      >
-        1
-      </div>
+      Resolved Comments (1)
+    
+    </gl-button-stub>
+     
+    <gl-popover-stub
+      container="popovercontainer"
+      cssclasses=""
+      placement="top"
+      show="true"
+      target="resolved-comments"
+      title="Resolved Comments"
+    >
+      <p>
+        
+        Comments you resolve can be viewed and unresolved by going to the "Resolved Comments" section below
+      
+      </p>
        
-      <div
-        class="design-discussion bordered-box position-relative"
-        data-qa-selector="design_discussion_content"
+      <a
+        href="#"
+        rel="noopener noreferrer"
+        target="_blank"
       >
-        <design-note-stub
-          class=""
-          markdownpreviewpath="//preview_markdown?target_type=Issue"
-          note="[object Object]"
-        />
-         
-        <div
-          class="reply-wrapper"
-        >
-          <reply-placeholder-stub
-            buttontext="Reply..."
-            class="qa-discussion-reply"
-          />
-        </div>
-      </div>
-    </div>
+        Learn more about resolving comments
+      </a>
+    </gl-popover-stub>
+     
+    <gl-collapse-stub
+      class="gl-mt-3"
+    >
+      <design-discussion-stub
+        data-testid="resolved-discussion"
+        designid="test"
+        discussion="[object Object]"
+        markdownpreviewpath="//preview_markdown?target_type=Issue"
+        noteableid="design-id"
+      />
+    </gl-collapse-stub>
      
-    <!---->
   </div>
 </div>
 `;
@@ -152,33 +178,37 @@ exports[`Design management design index page with error GlAlert is rendered in c
     class="image-notes"
   >
     <h2
-      class="gl-font-size-20-deprecated-no-really-do-not-use-me font-weight-bold mt-0"
+      class="gl-font-weight-bold gl-mt-0"
     >
       
-        My precious issue
-      
+    My precious issue
+  
     </h2>
      
     <a
-      class="text-tertiary text-decoration-none mb-3 d-block"
+      class="gl-text-gray-600 gl-text-decoration-none gl-mb-6 gl-display-block"
       href="full-issue-url"
     >
       ull-issue-path
     </a>
      
     <participants-stub
-      class="mb-4"
+      class="gl-mb-4"
       numberoflessparticipants="7"
       participants="[object Object]"
     />
      
     <h2
-      class="new-discussion-disclaimer gl-font-base m-0"
+      class="new-discussion-disclaimer gl-font-base gl-m-0 gl-mb-4"
+      data-testid="new-discussion-disclaimer"
     >
       
-        Click the image where you'd like to start a new discussion
-      
+    Click the image where you'd like to start a new discussion
+  
     </h2>
+      
+    <!---->
+     
   </div>
 </div>
 `;

spec/frontend/design_management/pages/design/index_spec.js

@@ -4,11 +4,9 @@ import { GlAlert } from '@gitlab/ui';
 import { ApolloMutation } from 'vue-apollo';
 import createFlash from '~/flash';
 import DesignIndex from '~/design_management/pages/design/index.vue';
-import DesignDiscussion from '~/design_management/components/design_notes/design_discussion.vue';
+import DesignSidebar from '~/design_management/components/design_sidebar.vue';
 import DesignReplyForm from '~/design_management/components/design_notes/design_reply_form.vue';
-import Participants from '~/sidebar/components/participants/participants.vue';
 import createImageDiffNoteMutation from '~/design_management/graphql/mutations/createImageDiffNote.mutation.graphql';
-import updateActiveDiscussionMutation from '~/design_management/graphql/mutations/update_active_discussion.mutation.graphql';
 import design from '../../mock_data/design';
 import mockResponseWithDesigns from '../../mock_data/designs';
 import mockResponseNoDesigns from '../../mock_data/no_designs';
@@ -62,20 +60,10 @@ describe('Design management design index page', () => {
     },
   };
 
-  const updateActiveDiscussionMutationVariables = {
-    mutation: updateActiveDiscussionMutation,
-    variables: {
-      id: design.discussions.nodes[0].notes.nodes[0].id,
-      source: 'discussion',
-    },
-  };
-
   const mutate = jest.fn().mockResolvedValue();
 
-  const findDiscussions = () => wrapper.findAll(DesignDiscussion);
   const findDiscussionForm = () => wrapper.find(DesignReplyForm);
-  const findParticipants = () => wrapper.find(Participants);
-  const findDiscussionsWrapper = () => wrapper.find('.image-notes');
+  const findSidebar = () => wrapper.find(DesignSidebar);
 
   function createComponent(loading = false, data = {}) {
     const $apollo = {
@@ -94,7 +82,7 @@ describe('Design management design index page', () => {
       mocks: { $apollo },
       stubs: {
         ApolloMutation,
-        DesignDiscussion,
+        DesignSidebar,
       },
       data() {
         return {
@@ -145,63 +133,13 @@ describe('Design management design index page', () => {
     expect(wrapper.find(GlAlert).exists()).toBe(false);
   });
 
-  it('renders participants', () => {
+  it('passes correct props to sidebar component', () => {
     createComponent(false, { design });
 
-    expect(findParticipants().exists()).toBe(true);
-  });
-
-  it('passes the correct amount of participants to the Participants component', () => {
-    createComponent(false, { design });
-
-    expect(findParticipants().props('participants')).toHaveLength(1);
-  });
-
-  describe('when has no discussions', () => {
-    beforeEach(() => {
-      createComponent(false, {
-        design: {
-          ...design,
-          discussions: {
-            nodes: [],
-          },
-        },
-      });
-    });
-
-    it('does not render discussions', () => {
-      expect(findDiscussions().exists()).toBe(false);
-    });
-
-    it('renders a message about possibility to create a new discussion', () => {
-      expect(wrapper.find('.new-discussion-disclaimer').exists()).toBe(true);
-    });
-  });
-
-  describe('when has discussions', () => {
-    beforeEach(() => {
-      createComponent(false, { design });
-    });
-
-    it('renders correct amount of discussions', () => {
-      expect(findDiscussions()).toHaveLength(1);
-    });
-
-    it('sends a mutation to set an active discussion when clicking on a discussion', () => {
-      findDiscussions()
-        .at(0)
-        .trigger('click');
-
-      expect(mutate).toHaveBeenCalledWith(updateActiveDiscussionMutationVariables);
-    });
-
-    it('sends a mutation to reset an active discussion when clicking outside of discussion', () => {
-      findDiscussionsWrapper().trigger('click');
-
-      expect(mutate).toHaveBeenCalledWith({
-        ...updateActiveDiscussionMutationVariables,
-        variables: { id: undefined, source: 'discussion' },
-      });
+    expect(findSidebar().props()).toEqual({
+      design,
+      markdownPreviewPath: '//preview_markdown?target_type=Issue',
+      resolvedDiscussionsExpanded: false,
     });
   });
 

spec/frontend/design_management/utils/design_management_utils_spec.js

@@ -53,10 +53,10 @@ describe('extractDiscussions', () => {
 
   it('discards the edges.node artifacts of GraphQL', () => {
     expect(extractDiscussions(discussions)).toEqual([
-      { id: 1, notes: ['a'] },
-      { id: 2, notes: ['b'] },
-      { id: 3, notes: ['c'] },
-      { id: 4, notes: ['d'] },
+      { id: 1, notes: ['a'], index: 1 },
+      { id: 2, notes: ['b'], index: 2 },
+      { id: 3, notes: ['c'], index: 3 },
+      { id: 4, notes: ['d'], index: 4 },
     ]);
   });
 });