Add latest changes from gitlab-org/gitlab@master

7 files changed, 88 insertions, 7 deletions

diff --git a/app/assets/javascripts/notes/constants.js b/app/assets/javascripts/notes/constants.js
index 68c117183a1..e9a81bc9553 100644
--- a/app/assets/javascripts/notes/constants.js
+++ b/app/assets/javascripts/notes/constants.js
@@ -18,6 +18,7 @@ export const HISTORY_ONLY_FILTER_VALUE = 2;
 export const DISCUSSION_FILTERS_DEFAULT_VALUE = 0;
 export const DISCUSSION_TAB_LABEL = 'show';
 export const NOTE_UNDERSCORE = 'note_';
+export const TIME_DIFFERENCE_VALUE = 10;
 
 export const NOTEABLE_TYPE_MAPPING = {
   Issue: ISSUE_NOTEABLE_TYPE,
diff --git a/app/assets/javascripts/notes/mixins/description_version_history.js b/app/assets/javascripts/notes/mixins/description_version_history.js
index 12d80f3faa2..66e6685cfd8 100644
--- a/app/assets/javascripts/notes/mixins/description_version_history.js
+++ b/app/assets/javascripts/notes/mixins/description_version_history.js
@@ -3,10 +3,12 @@
 export default {
   computed: {
     canSeeDescriptionVersion() {},
+    canDeleteDescriptionVersion() {},
     shouldShowDescriptionVersion() {},
     descriptionVersionToggleIcon() {},
   },
   methods: {
     toggleDescriptionVersion() {},
+    deleteDescriptionVersion() {},
   },
 };
diff --git a/app/assets/javascripts/notes/stores/actions.js b/app/assets/javascripts/notes/stores/actions.js
index f3dc6187c3f..594e3a14d56 100644
--- a/app/assets/javascripts/notes/stores/actions.js
+++ b/app/assets/javascripts/notes/stores/actions.js
@@ -491,23 +491,66 @@ export const convertToDiscussion = ({ commit }, noteId) =>
 export const removeConvertedDiscussion = ({ commit }, noteId) =>
   commit(types.REMOVE_CONVERTED_DISCUSSION, noteId);
 
-export const fetchDescriptionVersion = (_, { endpoint, startingVersion }) => {
+export const setCurrentDiscussionId = ({ commit }, discussionId) =>
+  commit(types.SET_CURRENT_DISCUSSION_ID, discussionId);
+
+export const fetchDescriptionVersion = ({ dispatch }, { endpoint, startingVersion }) => {
   let requestUrl = endpoint;
 
   if (startingVersion) {
     requestUrl = mergeUrlParams({ start_version_id: startingVersion }, requestUrl);
   }
+  dispatch('requestDescriptionVersion');
 
   return axios
     .get(requestUrl)
-    .then(res => res.data)
-    .catch(() => {
+    .then(res => {
+      dispatch('receiveDescriptionVersion', res.data);
+    })
+    .catch(error => {
+      dispatch('receiveDescriptionVersionError', error);
       Flash(__('Something went wrong while fetching description changes. Please try again.'));
     });
 };
 
-export const setCurrentDiscussionId = ({ commit }, discussionId) =>
-  commit(types.SET_CURRENT_DISCUSSION_ID, discussionId);
+export const requestDescriptionVersion = ({ commit }) => {
+  commit(types.REQUEST_DESCRIPTION_VERSION);
+};
+export const receiveDescriptionVersion = ({ commit }, descriptionVersion) => {
+  commit(types.RECEIVE_DESCRIPTION_VERSION, descriptionVersion);
+};
+export const receiveDescriptionVersionError = ({ commit }, error) => {
+  commit(types.RECEIVE_DESCRIPTION_VERSION_ERROR, error);
+};
+
+export const softDeleteDescriptionVersion = ({ dispatch }, { endpoint, startingVersion }) => {
+  let requestUrl = endpoint;
+
+  if (startingVersion) {
+    requestUrl = mergeUrlParams({ start_version_id: startingVersion }, requestUrl);
+  }
+  dispatch('requestDeleteDescriptionVersion');
+
+  return axios
+    .delete(requestUrl)
+    .then(() => {
+      dispatch('receiveDeleteDescriptionVersion');
+    })
+    .catch(error => {
+      dispatch('receiveDeleteDescriptionVersionError', error);
+      Flash(__('Something went wrong while deleting description changes. Please try again.'));
+    });
+};
+
+export const requestDeleteDescriptionVersion = ({ commit }) => {
+  commit(types.REQUEST_DELETE_DESCRIPTION_VERSION);
+};
+export const receiveDeleteDescriptionVersion = ({ commit }) => {
+  commit(types.RECEIVE_DELETE_DESCRIPTION_VERSION, __('Deleted'));
+};
+export const receiveDeleteDescriptionVersionError = ({ commit }, error) => {
+  commit(types.RECEIVE_DELETE_DESCRIPTION_VERSION_ERROR, error);
+};
 
 // prevent babel-plugin-rewire from generating an invalid default during karma tests
 export default () => {};
diff --git a/app/assets/javascripts/notes/stores/collapse_utils.js b/app/assets/javascripts/notes/stores/collapse_utils.js
index 3cdcc7a05b8..d94fc626a3f 100644
--- a/app/assets/javascripts/notes/stores/collapse_utils.js
+++ b/app/assets/javascripts/notes/stores/collapse_utils.js
@@ -1,4 +1,4 @@
-import { DESCRIPTION_TYPE } from '../constants';
+import { DESCRIPTION_TYPE, TIME_DIFFERENCE_VALUE } from '../constants';
 
 /**
  * Checks the time difference between two notes from their 'created_at' dates
@@ -45,7 +45,11 @@ export const collapseSystemNotes = notes => {
         const timeDifferenceMinutes = getTimeDifferenceMinutes(lastDescriptionSystemNote, note);
 
         // are they less than 10 minutes apart from the same user?
-        if (timeDifferenceMinutes > 10 || note.author.id !== lastDescriptionSystemNote.author.id) {
+        if (
+          timeDifferenceMinutes > TIME_DIFFERENCE_VALUE ||
+          note.author.id !== lastDescriptionSystemNote.author.id ||
+          lastDescriptionSystemNote.description_version_deleted
+        ) {
           // update the previous system note
           lastDescriptionSystemNote = note;
           lastDescriptionSystemNoteIndex = acc.length;
diff --git a/app/assets/javascripts/notes/stores/modules/index.js b/app/assets/javascripts/notes/stores/modules/index.js
index 771b80108b8..0e991f2f4f0 100644
--- a/app/assets/javascripts/notes/stores/modules/index.js
+++ b/app/assets/javascripts/notes/stores/modules/index.js
@@ -14,6 +14,7 @@ export default () => ({
     isToggleStateButtonLoading: false,
     isNotesFetched: false,
     isLoading: true,
+    isLoadingDescriptionVersion: false,
 
     // holds endpoints and permissions provided through haml
     notesData: {
@@ -27,6 +28,7 @@ export default () => ({
     commentsDisabled: false,
     resolvableDiscussionsCount: 0,
     unresolvedDiscussionsCount: 0,
+    descriptionVersion: null,
   },
   actions,
   getters,
diff --git a/app/assets/javascripts/notes/stores/mutation_types.js b/app/assets/javascripts/notes/stores/mutation_types.js
index 8eb426d3f9b..6554aee0d5b 100644
--- a/app/assets/javascripts/notes/stores/mutation_types.js
+++ b/app/assets/javascripts/notes/stores/mutation_types.js
@@ -31,3 +31,11 @@ export const SET_CURRENT_DISCUSSION_ID = 'SET_CURRENT_DISCUSSION_ID';
 export const CLOSE_ISSUE = 'CLOSE_ISSUE';
 export const REOPEN_ISSUE = 'REOPEN_ISSUE';
 export const TOGGLE_STATE_BUTTON_LOADING = 'TOGGLE_STATE_BUTTON_LOADING';
+
+// Description version
+export const REQUEST_DESCRIPTION_VERSION = 'REQUEST_DESCRIPTION_VERSION';
+export const RECEIVE_DESCRIPTION_VERSION = 'RECEIVE_DESCRIPTION_VERSION';
+export const RECEIVE_DESCRIPTION_VERSION_ERROR = 'RECEIVE_DESCRIPTION_VERSION_ERROR';
+export const REQUEST_DELETE_DESCRIPTION_VERSION = 'REQUEST_DELETE_DESCRIPTION_VERSION';
+export const RECEIVE_DELETE_DESCRIPTION_VERSION = 'RECEIVE_DELETE_DESCRIPTION_VERSION';
+export const RECEIVE_DELETE_DESCRIPTION_VERSION_ERROR = 'RECEIVE_DELETE_DESCRIPTION_VERSION_ERROR';
diff --git a/app/assets/javascripts/notes/stores/mutations.js b/app/assets/javascripts/notes/stores/mutations.js
index 71091d26b85..d32a88e4c71 100644
--- a/app/assets/javascripts/notes/stores/mutations.js
+++ b/app/assets/javascripts/notes/stores/mutations.js
@@ -284,4 +284,25 @@ export default {
   [types.SET_CURRENT_DISCUSSION_ID](state, discussionId) {
     state.currentDiscussionId = discussionId;
   },
+
+  [types.REQUEST_DESCRIPTION_VERSION](state) {
+    state.isLoadingDescriptionVersion = true;
+  },
+  [types.RECEIVE_DESCRIPTION_VERSION](state, descriptionVersion) {
+    state.isLoadingDescriptionVersion = false;
+    state.descriptionVersion = descriptionVersion;
+  },
+  [types.RECEIVE_DESCRIPTION_VERSION_ERROR](state) {
+    state.isLoadingDescriptionVersion = false;
+  },
+  [types.REQUEST_DELETE_DESCRIPTION_VERSION](state) {
+    state.isLoadingDescriptionVersion = true;
+  },
+  [types.RECEIVE_DELETE_DESCRIPTION_VERSION](state, descriptionVersion) {
+    state.isLoadingDescriptionVersion = false;
+    state.descriptionVersion = descriptionVersion;
+  },
+  [types.RECEIVE_DELETE_DESCRIPTION_VERSION_ERROR](state) {
+    state.isLoadingDescriptionVersion = false;
+  },
 };