[Glitch] Add notification quick-filter bar in the frontend app

Port df7186e93a to glitch-soc

app/javascript/flavours/glitch/actions/notifications.js

@@ -2,6 +2,7 @@ import api, { getLinks } from 'flavours/glitch/util/api';
 import IntlMessageFormat from 'intl-messageformat';
 import { fetchRelationships } from './accounts';
 import { defineMessages } from 'react-intl';
+import { List as ImmutableList } from 'immutable';
 import { unescapeHTML } from 'flavours/glitch/util/html';
 import { getFilters, regexFromFilters } from 'flavours/glitch/selectors';
 
@@ -22,6 +23,8 @@ export const NOTIFICATIONS_EXPAND_REQUEST = 'NOTIFICATIONS_EXPAND_REQUEST';
 export const NOTIFICATIONS_EXPAND_SUCCESS = 'NOTIFICATIONS_EXPAND_SUCCESS';
 export const NOTIFICATIONS_EXPAND_FAIL    = 'NOTIFICATIONS_EXPAND_FAIL';
 
+export const NOTIFICATIONS_FILTER_SET = 'NOTIFICATIONS_FILTER_SET';
+
 export const NOTIFICATIONS_CLEAR      = 'NOTIFICATIONS_CLEAR';
 export const NOTIFICATIONS_SCROLL_TOP = 'NOTIFICATIONS_SCROLL_TOP';
 
@@ -84,10 +87,16 @@ export function updateNotifications(notification, intlMessages, intlLocale) {
 const excludeTypesFromSettings = state => state.getIn(['settings', 'notifications', 'shows']).filter(enabled => !enabled).keySeq().toJS();
 
 
+const excludeTypesFromFilter = filter => {
+  const allTypes = ImmutableList(['follow', 'favourite', 'reblog', 'mention']);
+  return allTypes.filterNot(item => item === filter).toJS();
+};
+
 const noOp = () => {};
 
 export function expandNotifications({ maxId } = {}, done = noOp) {
   return (dispatch, getState) => {
+    const activeFilter = getState().getIn(['settings', 'notifications', 'quickFilter', 'active']);
     const notifications = getState().get('notifications');
     const isLoadingMore = !!maxId;
 
@@ -98,7 +107,9 @@ export function expandNotifications({ maxId } = {}, done = noOp) {
 
     const params = {
       max_id: maxId,
-      exclude_types: excludeTypesFromSettings(getState()),
+      exclude_types: activeFilter === 'all'
+        ? excludeTypesFromSettings(getState())
+        : excludeTypesFromFilter(activeFilter),
     };
 
     if (!maxId && notifications.get('items').size > 0) {
@@ -244,3 +255,14 @@ export function notificationsSetVisibility(visibility) {
     visibility: visibility,
   };
 };
+
+export function setFilter (filterType) {
+  return dispatch => {
+    dispatch({
+      type: NOTIFICATIONS_FILTER_SET,
+      path: ['notifications', 'quickFilter', 'active'],
+      value: filterType,
+    });
+    dispatch(expandNotifications());
+  };
+};

app/javascript/flavours/glitch/features/notifications/components/column_settings.js

@@ -21,9 +21,11 @@ export default class ColumnSettings extends React.PureComponent {
   render () {
     const { settings, pushSettings, onChange, onClear } = this.props;
 
-    const alertStr = <FormattedMessage id='notifications.column_settings.alert' defaultMessage='Desktop notifications' />;
-    const showStr  = <FormattedMessage id='notifications.column_settings.show' defaultMessage='Show in column' />;
-    const soundStr = <FormattedMessage id='notifications.column_settings.sound' defaultMessage='Play sound' />;
+    const filterShowStr = <FormattedMessage id='notifications.column_settings.filter_bar.show' defaultMessage='Show' />;
+    const filterAdvancedStr = <FormattedMessage id='notifications.column_settings.filter_bar.advanced' defaultMessage='Display all categories' />;
+    const alertStr  = <FormattedMessage id='notifications.column_settings.alert' defaultMessage='Desktop notifications' />;
+    const showStr   = <FormattedMessage id='notifications.column_settings.show' defaultMessage='Show in column' />;
+    const soundStr  = <FormattedMessage id='notifications.column_settings.sound' defaultMessage='Play sound' />;
 
     const showPushSettings = pushSettings.get('browserSupport') && pushSettings.get('isSubscribed');
     const pushStr = showPushSettings && <FormattedMessage id='notifications.column_settings.push' defaultMessage='Push notifications' />;
@@ -35,6 +37,16 @@ export default class ColumnSettings extends React.PureComponent {
           <ClearColumnButton onClick={onClear} />
         </div>
 
+        <div role='group' aria-labelledby='notifications-filter-bar'>
+          <span id='notifications-filter-bar' className='column-settings__section'>
+            <FormattedMessage id='notifications.column_settings.filter_bar.category' defaultMessage='Quick filter bar' />
+          </span>
+          <div className='column-settings__row'>
+            <SettingToggle id='show-filter-bar' prefix='notifications' settings={settings} settingPath={['quickFilter', 'show']} onChange={onChange} label={filterShowStr} />
+            <SettingToggle id='show-filter-bar' prefix='notifications' settings={settings} settingPath={['quickFilter', 'advanced']} onChange={onChange} label={filterAdvancedStr} />
+          </div>
+        </div>
+
         <div role='group' aria-labelledby='notifications-follow'>
           <span id='notifications-follow' className='column-settings__section'><FormattedMessage id='notifications.column_settings.follow' defaultMessage='New followers:' /></span>
 

app/javascript/flavours/glitch/features/notifications/components/filter_bar.js

@@ -0,0 +1,93 @@
+import React from 'react';
+import PropTypes from 'prop-types';
+import { defineMessages, injectIntl, FormattedMessage } from 'react-intl';
+
+const tooltips = defineMessages({
+  mentions: { id: 'notifications.filter.mentions', defaultMessage: 'Mentions' },
+  favourites: { id: 'notifications.filter.favourites', defaultMessage: 'Favourites' },
+  boosts: { id: 'notifications.filter.boosts', defaultMessage: 'Boosts' },
+  follows: { id: 'notifications.filter.follows', defaultMessage: 'Follows' },
+});
+
+export default @injectIntl
+class FilterBar extends React.PureComponent {
+
+  static propTypes = {
+    selectFilter: PropTypes.func.isRequired,
+    selectedFilter: PropTypes.string.isRequired,
+    advancedMode: PropTypes.bool.isRequired,
+    intl: PropTypes.object.isRequired,
+  };
+
+  onClick (notificationType) {
+    return () => this.props.selectFilter(notificationType);
+  }
+
+  render () {
+    const { selectedFilter, advancedMode, intl } = this.props;
+    const renderedElement = !advancedMode ? (
+      <div className='notification__filter-bar'>
+        <button
+          className={selectedFilter === 'all' ? 'active' : ''}
+          onClick={this.onClick('all')}
+        >
+          <FormattedMessage
+            id='notifications.filter.all'
+            defaultMessage='All'
+          />
+        </button>
+        <button
+          className={selectedFilter === 'mention' ? 'active' : ''}
+          onClick={this.onClick('mention')}
+        >
+          <FormattedMessage
+            id='notifications.filter.mentions'
+            defaultMessage='Mentions'
+          />
+        </button>
+      </div>
+    ) : (
+      <div className='notification__filter-bar'>
+        <button
+          className={selectedFilter === 'all' ? 'active' : ''}
+          onClick={this.onClick('all')}
+        >
+          <FormattedMessage
+            id='notifications.filter.all'
+            defaultMessage='All'
+          />
+        </button>
+        <button
+          className={selectedFilter === 'mention' ? 'active' : ''}
+          onClick={this.onClick('mention')}
+          title={intl.formatMessage(tooltips.mentions)}
+        >
+          <i className='fa fa-fw fa-at' />
+        </button>
+        <button
+          className={selectedFilter === 'favourite' ? 'active' : ''}
+          onClick={this.onClick('favourite')}
+          title={intl.formatMessage(tooltips.favourites)}
+        >
+          <i className='fa fa-fw fa-star' />
+        </button>
+        <button
+          className={selectedFilter === 'reblog' ? 'active' : ''}
+          onClick={this.onClick('reblog')}
+          title={intl.formatMessage(tooltips.boosts)}
+        >
+          <i className='fa fa-fw fa-retweet' />
+        </button>
+        <button
+          className={selectedFilter === 'follow' ? 'active' : ''}
+          onClick={this.onClick('follow')}
+          title={intl.formatMessage(tooltips.follows)}
+        >
+          <i className='fa fa-fw fa-user-plus' />
+        </button>
+      </div>
+    );
+    return renderedElement;
+  }
+
+}

app/javascript/flavours/glitch/features/notifications/containers/column_settings_container.js

@@ -2,6 +2,7 @@ import { connect } from 'react-redux';
 import { defineMessages, injectIntl } from 'react-intl';
 import ColumnSettings from '../components/column_settings';
 import { changeSetting } from 'flavours/glitch/actions/settings';
+import { setFilter } from 'flavours/glitch/actions/notifications';
 import { clearNotifications } from 'flavours/glitch/actions/notifications';
 import { changeAlerts as changePushNotifications } from 'flavours/glitch/actions/push_notifications';
 import { openModal } from 'flavours/glitch/actions/modal';
@@ -21,6 +22,9 @@ const mapDispatchToProps = (dispatch, { intl }) => ({
   onChange (path, checked) {
     if (path[0] === 'push') {
       dispatch(changePushNotifications(path.slice(1), checked));
+    } else if (path[0] === 'quickFilter') {
+      dispatch(changeSetting(['notifications', ...path], checked));
+      dispatch(setFilter('all'));
     } else {
       dispatch(changeSetting(['notifications', ...path], checked));
     }

app/javascript/flavours/glitch/features/notifications/containers/filter_bar_container.js

@@ -0,0 +1,16 @@
+import { connect } from 'react-redux';
+import FilterBar from '../components/filter_bar';
+import { setFilter } from '../../../actions/notifications';
+
+const makeMapStateToProps = state => ({
+  selectedFilter: state.getIn(['settings', 'notifications', 'quickFilter', 'active']),
+  advancedMode: state.getIn(['settings', 'notifications', 'quickFilter', 'advanced']),
+});
+
+const mapDispatchToProps = (dispatch) => ({
+  selectFilter (newActiveFilter) {
+    dispatch(setFilter(newActiveFilter));
+  },
+});
+
+export default connect(makeMapStateToProps, mapDispatchToProps)(FilterBar);

app/javascript/flavours/glitch/features/notifications/index.js

@@ -15,6 +15,7 @@ import { addColumn, removeColumn, moveColumn } from 'flavours/glitch/actions/col
 import NotificationContainer from './containers/notification_container';
 import { defineMessages, injectIntl, FormattedMessage } from 'react-intl';
 import ColumnSettingsContainer from './containers/column_settings_container';
+import FilterBarContainer from './containers/filter_bar_container';
 import { createSelector } from 'reselect';
 import { List as ImmutableList } from 'immutable';
 import { debounce } from 'lodash';
@@ -26,11 +27,22 @@ const messages = defineMessages({
 });
 
 const getNotifications = createSelector([
+  state => state.getIn(['settings', 'notifications', 'quickFilter', 'show']),
+  state => state.getIn(['settings', 'notifications', 'quickFilter', 'active']),
   state => ImmutableList(state.getIn(['settings', 'notifications', 'shows']).filter(item => !item).keys()),
   state => state.getIn(['notifications', 'items']),
-], (excludedTypes, notifications) => notifications.filterNot(item => item !== null && excludedTypes.includes(item.get('type'))));
+], (showFilterBar, allowedType, excludedTypes, notifications) => {
+  if (!showFilterBar || allowedType === 'all') {
+    // used if user changed the notification settings after loading the notifications from the server
+    // otherwise a list of notifications will come pre-filtered from the backend
+    // we need to turn it off for FilterBar in order not to block ourselves from seeing a specific category
+    return notifications.filterNot(item => item !== null && excludedTypes.includes(item.get('type')));
+  }
+  return notifications.filter(item => item !== null && allowedType === item.get('type'));
+});
 
 const mapStateToProps = state => ({
+  showFilterBar: state.getIn(['settings', 'notifications', 'quickFilter', 'show']),
   notifications: getNotifications(state),
   localSettings:  state.get('local_settings'),
   isLoading: state.getIn(['notifications', 'isLoading'], true),
@@ -60,6 +72,7 @@ export default class Notifications extends React.PureComponent {
   static propTypes = {
     columnId: PropTypes.string,
     notifications: ImmutablePropTypes.list.isRequired,
+    showFilterBar: PropTypes.bool.isRequired,
     dispatch: PropTypes.func.isRequired,
     shouldUpdateScroll: PropTypes.func,
     intl: PropTypes.object.isRequired,
@@ -151,12 +164,16 @@ export default class Notifications extends React.PureComponent {
   }
 
   render () {
-    const { intl, notifications, shouldUpdateScroll, isLoading, isUnread, columnId, multiColumn, hasMore } = this.props;
+    const { intl, notifications, shouldUpdateScroll, isLoading, isUnread, columnId, multiColumn, hasMore, showFilterBar } = this.props;
     const pinned = !!columnId;
     const emptyMessage = <FormattedMessage id='empty_column.notifications' defaultMessage="You don't have any notifications yet. Interact with others to start the conversation." />;
 
     let scrollableContent = null;
 
+    const filterBarContainer = showFilterBar
+      ? (<FilterBarContainer />)
+      : null;
+
     if (isLoading && this.scrollableContent) {
       scrollableContent = this.scrollableContent;
     } else if (notifications.size > 0 || hasMore) {
@@ -222,7 +239,7 @@ export default class Notifications extends React.PureComponent {
         >
           <ColumnSettingsContainer />
         </ColumnHeader>
-
+        {filterBarContainer}
         {scrollContainer}
       </Column>
     );

app/javascript/flavours/glitch/reducers/notifications.js

@@ -6,6 +6,7 @@ import {
   NOTIFICATIONS_EXPAND_SUCCESS,
   NOTIFICATIONS_EXPAND_REQUEST,
   NOTIFICATIONS_EXPAND_FAIL,
+  NOTIFICATIONS_FILTER_SET,
   NOTIFICATIONS_CLEAR,
   NOTIFICATIONS_SCROLL_TOP,
   NOTIFICATIONS_DELETE_MARKED_REQUEST,
@@ -197,6 +198,8 @@ export default function notifications(state = initialState, action) {
   case NOTIFICATIONS_DELETE_MARKED_FAIL:
   case NOTIFICATIONS_EXPAND_FAIL:
     return state.set('isLoading', false);
+  case NOTIFICATIONS_FILTER_SET:
+    return state.set('items', ImmutableList()).set('hasMore', true);
   case NOTIFICATIONS_SCROLL_TOP:
     return updateTop(state, action.top);
   case NOTIFICATIONS_UPDATE:

app/javascript/flavours/glitch/reducers/notifications.js.orig

@@ -0,0 +1,245 @@
+import {
+  NOTIFICATIONS_MOUNT,
+  NOTIFICATIONS_UNMOUNT,
+  NOTIFICATIONS_SET_VISIBILITY,
+  NOTIFICATIONS_UPDATE,
+  NOTIFICATIONS_EXPAND_SUCCESS,
+  NOTIFICATIONS_EXPAND_REQUEST,
+  NOTIFICATIONS_EXPAND_FAIL,
+  NOTIFICATIONS_CLEAR,
+  NOTIFICATIONS_SCROLL_TOP,
+  NOTIFICATIONS_DELETE_MARKED_REQUEST,
+  NOTIFICATIONS_DELETE_MARKED_SUCCESS,
+  NOTIFICATION_MARK_FOR_DELETE,
+  NOTIFICATIONS_DELETE_MARKED_FAIL,
+  NOTIFICATIONS_ENTER_CLEARING_MODE,
+  NOTIFICATIONS_MARK_ALL_FOR_DELETE,
+} from 'flavours/glitch/actions/notifications';
+import {
+  ACCOUNT_BLOCK_SUCCESS,
+  ACCOUNT_MUTE_SUCCESS,
+} from 'flavours/glitch/actions/accounts';
+import { TIMELINE_DELETE, TIMELINE_DISCONNECT } from 'flavours/glitch/actions/timelines';
+import { Map as ImmutableMap, List as ImmutableList } from 'immutable';
+import compareId from 'flavours/glitch/util/compare_id';
+
+const initialState = ImmutableMap({
+  items: ImmutableList(),
+  hasMore: true,
+  top: true,
+  mounted: 0,
+  unread: 0,
+  lastReadId: '0',
+  isLoading: false,
+  cleaningMode: false,
+  isTabVisible: true,
+  // notification removal mark of new notifs loaded whilst cleaningMode is true.
+  markNewForDelete: false,
+});
+
+const notificationToMap = (state, notification) => ImmutableMap({
+  id: notification.id,
+  type: notification.type,
+  account: notification.account.id,
+  markedForDelete: state.get('markNewForDelete'),
+  status: notification.status ? notification.status.id : null,
+});
+
+const normalizeNotification = (state, notification) => {
+  const top = !shouldCountUnreadNotifications(state);
+
+  if (top) {
+    state = state.set('lastReadId', notification.id);
+  } else {
+    state = state.update('unread', unread => unread + 1);
+  }
+
+  return state.update('items', list => {
+    if (top && list.size > 40) {
+      list = list.take(20);
+    }
+
+    return list.unshift(notificationToMap(state, notification));
+  });
+};
+
+const expandNormalizedNotifications = (state, notifications, next) => {
+  const top = !(shouldCountUnreadNotifications(state));
+  const lastReadId = state.get('lastReadId');
+  let items = ImmutableList();
+
+  notifications.forEach((n, i) => {
+    items = items.set(i, notificationToMap(state, n));
+  });
+
+  return state.withMutations(mutable => {
+    if (!items.isEmpty()) {
+      mutable.update('items', list => {
+        const lastIndex = 1 + list.findLastIndex(
+          item => item !== null && (compareId(item.get('id'), items.last().get('id')) > 0 || item.get('id') === items.last().get('id'))
+        );
+
+        const firstIndex = 1 + list.take(lastIndex).findLastIndex(
+          item => item !== null && compareId(item.get('id'), items.first().get('id')) > 0
+        );
+
+        return list.take(firstIndex).concat(items, list.skip(lastIndex));
+      });
+    }
+
+    if (top) {
+      if (!items.isEmpty()) {
+        mutable.update('lastReadId', id => compareId(id, items.first().get('id')) > 0 ? id : items.first().get('id'));
+      }
+    } else {
+      mutable.update('unread', unread => unread + items.filter(item => compareId(item.get('id'), lastReadId) > 0).size);
+    }
+
+    if (!next) {
+      mutable.set('hasMore', false);
+    }
+
+    mutable.set('isLoading', false);
+  });
+};
+
+const filterNotifications = (state, relationship) => {
+  return state.update('items', list => list.filterNot(item => item !== null && item.get('account') === relationship.id));
+};
+
+const clearUnread = (state) => {
+  state = state.set('unread', 0);
+  const lastNotification = state.get('items').find(item => item !== null);
+  return state.set('lastReadId', lastNotification ? lastNotification.get('id') : '0');
+}
+
+const updateTop = (state, top) => {
+  state = state.set('top', top);
+
+  if (!shouldCountUnreadNotifications(state)) {
+    state = clearUnread(state);
+  }
+
+  return state.set('top', top);
+};
+
+const deleteByStatus = (state, statusId) => {
+  const top = !(shouldCountUnreadNotifications(state));
+  if (!top) {
+    const lastReadId = state.get('lastReadId');
+    const deletedUnread = state.get('items').filter(item => item !== null && item.get('status') === statusId && compareId(item.get('id'), lastReadId) > 0);
+    state = state.update('unread', unread => unread - deletedUnread.size);
+  }
+  return state.update('items', list => list.filterNot(item => item !== null && item.get('status') === statusId));
+};
+
+const markForDelete = (state, notificationId, yes) => {
+  return state.update('items', list => list.map(item => {
+    if(item.get('id') === notificationId) {
+      return item.set('markedForDelete', yes);
+    } else {
+      return item;
+    }
+  }));
+};
+
+const markAllForDelete = (state, yes) => {
+  return state.update('items', list => list.map(item => {
+    if(yes !== null) {
+      return item.set('markedForDelete', yes);
+    } else {
+      return item.set('markedForDelete', !item.get('markedForDelete'));
+    }
+  }));
+};
+
+const unmarkAllForDelete = (state) => {
+  return state.update('items', list => list.map(item => item.set('markedForDelete', false)));
+};
+
+const deleteMarkedNotifs = (state) => {
+  return state.update('items', list => list.filterNot(item => item.get('markedForDelete')));
+};
+
+const updateMounted = (state) => {
+  state = state.update('mounted', count => count + 1);
+  if (!shouldCountUnreadNotifications(state)) {
+    state = clearUnread(state);
+  }
+  return state;
+};
+
+const updateVisibility = (state, visibility) => {
+  state = state.set('isTabVisible', visibility);
+  if (!shouldCountUnreadNotifications(state)) {
+    state = clearUnread(state);
+  }
+  return state;
+};
+
+const shouldCountUnreadNotifications = (state) => {
+  return !(state.get('isTabVisible') && state.get('top') && state.get('mounted') > 0);
+};
+
+export default function notifications(state = initialState, action) {
+  let st;
+
+  switch(action.type) {
+  case NOTIFICATIONS_MOUNT:
+    return updateMounted(state);
+  case NOTIFICATIONS_UNMOUNT:
+    return state.update('mounted', count => count - 1);
+  case NOTIFICATIONS_SET_VISIBILITY:
+    return updateVisibility(state, action.visibility);
+  case NOTIFICATIONS_EXPAND_REQUEST:
+  case NOTIFICATIONS_DELETE_MARKED_REQUEST:
+    return state.set('isLoading', true);
+  case NOTIFICATIONS_DELETE_MARKED_FAIL:
+  case NOTIFICATIONS_EXPAND_FAIL:
+    return state.set('isLoading', false);
+  case NOTIFICATIONS_SCROLL_TOP:
+    return updateTop(state, action.top);
+  case NOTIFICATIONS_UPDATE:
+    return normalizeNotification(state, action.notification);
+  case NOTIFICATIONS_EXPAND_SUCCESS:
+    return expandNormalizedNotifications(state, action.notifications, action.next);
+  case ACCOUNT_BLOCK_SUCCESS:
+  case ACCOUNT_MUTE_SUCCESS:
+    return filterNotifications(state, action.relationship);
+  case NOTIFICATIONS_CLEAR:
+    return state.set('items', ImmutableList()).set('hasMore', false);
+  case TIMELINE_DELETE:
+    return deleteByStatus(state, action.id);
+  case TIMELINE_DISCONNECT:
+    return action.timeline === 'home' ?
+      state.update('items', items => items.first() ? items.unshift(null) : items) :
+      state;
+
+  case NOTIFICATION_MARK_FOR_DELETE:
+    return markForDelete(state, action.id, action.yes);
+
+  case NOTIFICATIONS_DELETE_MARKED_SUCCESS:
+    return deleteMarkedNotifs(state).set('isLoading', false);
+
+  case NOTIFICATIONS_ENTER_CLEARING_MODE:
+    st = state.set('cleaningMode', action.yes);
+    if (!action.yes) {
+      return unmarkAllForDelete(st).set('markNewForDelete', false);
+    } else {
+      return st;
+    }
+
+  case NOTIFICATIONS_MARK_ALL_FOR_DELETE:
+    st = state;
+    if (action.yes === null) {
+      // Toggle - this is a bit confusing, as it toggles the all-none mode
+      //st = st.set('markNewForDelete', !st.get('markNewForDelete'));
+    } else {
+      st = st.set('markNewForDelete', action.yes);
+    }
+    return markAllForDelete(st, action.yes);
+
+  default:
+    return state;
+  }
+};

app/javascript/flavours/glitch/reducers/settings.js

@@ -1,4 +1,5 @@
 import { SETTING_CHANGE, SETTING_SAVE } from 'flavours/glitch/actions/settings';
+import { NOTIFICATIONS_FILTER_SET } from 'flavours/glitch/actions/notifications';
 import { COLUMN_ADD, COLUMN_REMOVE, COLUMN_MOVE } from 'flavours/glitch/actions/columns';
 import { STORE_HYDRATE } from 'flavours/glitch/actions/store';
 import { EMOJI_USE } from 'flavours/glitch/actions/emojis';
@@ -34,6 +35,12 @@ const initialState = ImmutableMap({
       mention: true,
     }),
 
+    quickFilter: ImmutableMap({
+      active: 'all',
+      show: true,
+      advanced: false,
+    }),
+
     shows: ImmutableMap({
       follow: true,
       favourite: true,
@@ -99,6 +106,7 @@ export default function settings(state = initialState, action) {
   switch(action.type) {
   case STORE_HYDRATE:
     return hydrate(state, action.state.get('settings'));
+  case NOTIFICATIONS_FILTER_SET:
   case SETTING_CHANGE:
     return state
       .setIn(action.path, action.value)