Add 'only history' option to notes filter

9 files changed, 37 insertions, 6 deletions

diff --git a/app/assets/javascripts/notes/components/discussion_filter.vue b/app/assets/javascripts/notes/components/discussion_filter.vue
index 6e8f43048d1..affa2d1b574 100644
--- a/app/assets/javascripts/notes/components/discussion_filter.vue
+++ b/app/assets/javascripts/notes/components/discussion_filter.vue
@@ -1,7 +1,8 @@
 <script>
 import $ from 'jquery';
-import Icon from '~/vue_shared/components/icon.vue';
 import { mapGetters, mapActions } from 'vuex';
+import Icon from '~/vue_shared/components/icon.vue';
+import { DISCUSSION_FILTERS_DEFAULT_VALUE, HISTORY_ONLY_FILTER_VALUE } from '../constants';
 
 export default {
   components: {
@@ -12,14 +13,17 @@ export default {
       type: Array,
       required: true,
     },
-    defaultValue: {
+    selectedValue: {
       type: Number,
       default: null,
       required: false,
     },
   },
   data() {
-    return { currentValue: this.defaultValue };
+    return {
+      currentValue: this.selectedValue,
+      defaultValue: DISCUSSION_FILTERS_DEFAULT_VALUE,
+    };
   },
   computed: {
     ...mapGetters(['getNotesDataByProp']),
@@ -28,8 +32,11 @@ export default {
       return this.filters.find(filter => filter.value === this.currentValue);
     },
   },
+  mounted() {
+    this.toggleCommentsForm();
+  },
   methods: {
-    ...mapActions(['filterDiscussion']),
+    ...mapActions(['filterDiscussion', 'setCommentsDisabled']),
     selectFilter(value) {
       const filter = parseInt(value, 10);
 
@@ -39,6 +46,10 @@ export default {
       if (filter === this.currentValue) return;
       this.currentValue = filter;
       this.filterDiscussion({ path: this.getNotesDataByProp('discussionsPath'), filter });
+      this.toggleCommentsForm();
+    },
+    toggleCommentsForm() {
+      this.setCommentsDisabled(this.currentValue === HISTORY_ONLY_FILTER_VALUE);
     },
   },
 };
@@ -73,6 +84,10 @@ export default {
             >
               {{ filter.title }}
             </button>
+            <div
+              v-if="filter.value === defaultValue"
+              class="dropdown-divider"
+            ></div>
           </li>
         </ul>
       </div>
diff --git a/app/assets/javascripts/notes/components/notes_app.vue b/app/assets/javascripts/notes/components/notes_app.vue
index 7514ce8a1eb..ed5ac112dc0 100644
--- a/app/assets/javascripts/notes/components/notes_app.vue
+++ b/app/assets/javascripts/notes/components/notes_app.vue
@@ -60,6 +60,7 @@ export default {
       'getNotesDataByProp',
       'discussionCount',
       'isLoading',
+      'commentsDisabled',
     ]),
     noteableType() {
       return this.noteableData.noteableType;
@@ -206,6 +207,7 @@ export default {
     </ul>
 
     <comment-form
+      v-if="!commentsDisabled"
       :noteable-type="noteableType"
       :markdown-version="markdownVersion"
     />
diff --git a/app/assets/javascripts/notes/constants.js b/app/assets/javascripts/notes/constants.js
index 2c3e07c0506..3147dc64c27 100644
--- a/app/assets/javascripts/notes/constants.js
+++ b/app/assets/javascripts/notes/constants.js
@@ -15,6 +15,8 @@ export const MERGE_REQUEST_NOTEABLE_TYPE = 'MergeRequest';
 export const UNRESOLVE_NOTE_METHOD_NAME = 'delete';
 export const RESOLVE_NOTE_METHOD_NAME = 'post';
 export const DESCRIPTION_TYPE = 'changed the description';
+export const HISTORY_ONLY_FILTER_VALUE = 2;
+export const DISCUSSION_FILTERS_DEFAULT_VALUE = 0;
 
 export const NOTEABLE_TYPE_MAPPING = {
   Issue: ISSUE_NOTEABLE_TYPE,
diff --git a/app/assets/javascripts/notes/discussion_filters.js b/app/assets/javascripts/notes/discussion_filters.js
index 06eadaeea0e..5c5f38a3fb0 100644
--- a/app/assets/javascripts/notes/discussion_filters.js
+++ b/app/assets/javascripts/notes/discussion_filters.js
@@ -6,7 +6,7 @@ export default store => {
 
   if (discussionFilterEl) {
     const { defaultFilter, notesFilters } = discussionFilterEl.dataset;
-    const defaultValue = defaultFilter ? parseInt(defaultFilter, 10) : null;
+    const selectedValue = defaultFilter ? parseInt(defaultFilter, 10) : null;
     const filterValues = notesFilters ? JSON.parse(notesFilters) : {};
     const filters = Object.keys(filterValues).map(entry => ({
       title: entry,
@@ -24,7 +24,7 @@ export default store => {
         return createElement('discussion-filter', {
           props: {
             filters,
-            defaultValue,
+            selectedValue,
           },
         });
       },
diff --git a/app/assets/javascripts/notes/stores/actions.js b/app/assets/javascripts/notes/stores/actions.js
index b5dd49bc6c9..88739ffb083 100644
--- a/app/assets/javascripts/notes/stores/actions.js
+++ b/app/assets/javascripts/notes/stores/actions.js
@@ -364,5 +364,9 @@ export const filterDiscussion = ({ dispatch }, { path, filter }) => {
     });
 };
 
+export const setCommentsDisabled = ({ commit }, data) => {
+  commit(types.DISABLE_COMMENTS, data);
+};
+
 // prevent babel-plugin-rewire from generating an invalid default during karma tests
 export default () => {};
diff --git a/app/assets/javascripts/notes/stores/getters.js b/app/assets/javascripts/notes/stores/getters.js
index e4f36154fcd..8df95c279eb 100644
--- a/app/assets/javascripts/notes/stores/getters.js
+++ b/app/assets/javascripts/notes/stores/getters.js
@@ -192,5 +192,7 @@ export const firstUnresolvedDiscussionId = (state, getters) => diffOrder => {
   return getters.unresolvedDiscussionsIdsByDate[0];
 };
 
+export const commentsDisabled = state => state.commentsDisabled;
+
 // prevent babel-plugin-rewire from generating an invalid default during karma tests
 export default () => {};
diff --git a/app/assets/javascripts/notes/stores/modules/index.js b/app/assets/javascripts/notes/stores/modules/index.js
index 400142668ea..8aea269ea7d 100644
--- a/app/assets/javascripts/notes/stores/modules/index.js
+++ b/app/assets/javascripts/notes/stores/modules/index.js
@@ -21,6 +21,7 @@ export default () => ({
     noteableData: {
       current_user: {},
     },
+    commentsDisabled: false,
   },
   actions,
   getters,
diff --git a/app/assets/javascripts/notes/stores/mutation_types.js b/app/assets/javascripts/notes/stores/mutation_types.js
index 2fa53aef1d4..dfbf3b7b34b 100644
--- a/app/assets/javascripts/notes/stores/mutation_types.js
+++ b/app/assets/javascripts/notes/stores/mutation_types.js
@@ -15,6 +15,7 @@ export const UPDATE_DISCUSSION = 'UPDATE_DISCUSSION';
 export const SET_DISCUSSION_DIFF_LINES = 'SET_DISCUSSION_DIFF_LINES';
 export const SET_NOTES_FETCHED_STATE = 'SET_NOTES_FETCHED_STATE';
 export const SET_NOTES_LOADING_STATE = 'SET_NOTES_LOADING_STATE';
+export const DISABLE_COMMENTS = 'DISABLE_COMMENTS';
 
 // DISCUSSION
 export const COLLAPSE_DISCUSSION = 'COLLAPSE_DISCUSSION';
diff --git a/app/assets/javascripts/notes/stores/mutations.js b/app/assets/javascripts/notes/stores/mutations.js
index 65085452139..c8d9e196103 100644
--- a/app/assets/javascripts/notes/stores/mutations.js
+++ b/app/assets/javascripts/notes/stores/mutations.js
@@ -225,4 +225,8 @@ export default {
 
     discussion.truncated_diff_lines = diffLines;
   },
+
+  [types.DISABLE_COMMENTS](state, value) {
+    state.commentsDisabled = value;
+  },
 };