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-rw-r--r--app/assets/javascripts/components/actions/timelines.jsx46
-rw-r--r--app/assets/javascripts/components/components/status_list.jsx14
-rw-r--r--app/assets/javascripts/components/features/hashtag_timeline/index.jsx4
-rw-r--r--app/assets/javascripts/components/features/ui/containers/status_list_container.jsx13
-rw-r--r--app/assets/javascripts/components/reducers/timelines.jsx69
-rw-r--r--db/migrate/20161203164520_add_from_account_id_to_notifications.rb8
6 files changed, 113 insertions, 41 deletions
diff --git a/app/assets/javascripts/components/actions/timelines.jsx b/app/assets/javascripts/components/actions/timelines.jsx
index 0f23ca7fc..5aab993c1 100644
--- a/app/assets/javascripts/components/actions/timelines.jsx
+++ b/app/assets/javascripts/components/actions/timelines.jsx
@@ -12,12 +12,13 @@ export const TIMELINE_EXPAND_REQUEST = 'TIMELINE_EXPAND_REQUEST';
 export const TIMELINE_EXPAND_SUCCESS = 'TIMELINE_EXPAND_SUCCESS';
 export const TIMELINE_EXPAND_FAIL    = 'TIMELINE_EXPAND_FAIL';
 
-export function refreshTimelineSuccess(timeline, statuses, replace) {
+export const TIMELINE_SCROLL_TOP = 'TIMELINE_SCROLL_TOP';
+
+export function refreshTimelineSuccess(timeline, statuses) {
   return {
     type: TIMELINE_REFRESH_SUCCESS,
     timeline: timeline,
-    statuses: statuses,
-    replace: replace
+    statuses: statuses
   };
 };
 
@@ -48,24 +49,25 @@ export function deleteFromTimelines(id) {
   };
 };
 
-export function refreshTimelineRequest(timeline) {
+export function refreshTimelineRequest(timeline, id) {
   return {
     type: TIMELINE_REFRESH_REQUEST,
-    timeline: timeline
+    timeline,
+    id
   };
 };
 
-export function refreshTimeline(timeline, replace = false, id = null) {
+export function refreshTimeline(timeline, id = null) {
   return function (dispatch, getState) {
-    dispatch(refreshTimelineRequest(timeline));
+    dispatch(refreshTimelineRequest(timeline, id));
 
-    const ids      = getState().getIn(['timelines', timeline], Immutable.List());
+    const ids      = getState().getIn(['timelines', timeline, 'items'], Immutable.List());
     const newestId = ids.size > 0 ? ids.first() : null;
 
     let params = '';
     let path   = timeline;
 
-    if (newestId !== null && !replace) {
+    if (newestId !== null) {
       params = `?since_id=${newestId}`;
     }
 
@@ -74,7 +76,7 @@ export function refreshTimeline(timeline, replace = false, id = null) {
     }
 
     api(getState).get(`/api/v1/timelines/${path}${params}`).then(function (response) {
-      dispatch(refreshTimelineSuccess(timeline, response.data, replace));
+      dispatch(refreshTimelineSuccess(timeline, response.data));
     }).catch(function (error) {
       dispatch(refreshTimelineFail(timeline, error));
     });
@@ -84,14 +86,14 @@ export function refreshTimeline(timeline, replace = false, id = null) {
 export function refreshTimelineFail(timeline, error) {
   return {
     type: TIMELINE_REFRESH_FAIL,
-    timeline: timeline,
-    error: error
+    timeline,
+    error
   };
 };
 
 export function expandTimeline(timeline, id = null) {
   return (dispatch, getState) => {
-    const lastId = getState().getIn(['timelines', timeline], Immutable.List()).last();
+    const lastId = getState().getIn(['timelines', timeline, 'items'], Immutable.List()).last();
 
     dispatch(expandTimelineRequest(timeline));
 
@@ -112,22 +114,30 @@ export function expandTimeline(timeline, id = null) {
 export function expandTimelineRequest(timeline) {
   return {
     type: TIMELINE_EXPAND_REQUEST,
-    timeline: timeline
+    timeline
   };
 };
 
 export function expandTimelineSuccess(timeline, statuses) {
   return {
     type: TIMELINE_EXPAND_SUCCESS,
-    timeline: timeline,
-    statuses: statuses
+    timeline,
+    statuses
   };
 };
 
 export function expandTimelineFail(timeline, error) {
   return {
     type: TIMELINE_EXPAND_FAIL,
-    timeline: timeline,
-    error: error
+    timeline,
+    error
+  };
+};
+
+export function scrollTopTimeline(timeline, top) {
+  return {
+    type: TIMELINE_SCROLL_TOP,
+    timeline,
+    top
   };
 };
diff --git a/app/assets/javascripts/components/components/status_list.jsx b/app/assets/javascripts/components/components/status_list.jsx
index f989ef895..b48d94405 100644
--- a/app/assets/javascripts/components/components/status_list.jsx
+++ b/app/assets/javascripts/components/components/status_list.jsx
@@ -1,14 +1,16 @@
-import Status              from './status';
-import ImmutablePropTypes  from 'react-immutable-proptypes';
-import PureRenderMixin     from 'react-addons-pure-render-mixin';
+import Status from './status';
+import ImmutablePropTypes from 'react-immutable-proptypes';
+import PureRenderMixin from 'react-addons-pure-render-mixin';
 import { ScrollContainer } from 'react-router-scroll';
-import StatusContainer     from '../containers/status_container';
+import StatusContainer from '../containers/status_container';
 
 const StatusList = React.createClass({
 
   propTypes: {
     statusIds: ImmutablePropTypes.list.isRequired,
     onScrollToBottom: React.PropTypes.func,
+    onScrollToTop: React.PropTypes.func,
+    onScroll: React.PropTypes.func,
     trackScroll: React.PropTypes.bool
   },
 
@@ -27,6 +29,10 @@ const StatusList = React.createClass({
 
     if (scrollTop === scrollHeight - clientHeight) {
       this.props.onScrollToBottom();
+    } else if (scrollTop < 100) {
+      this.props.onScrollToTop();
+    } else {
+      this.props.onScroll();
     }
   },
 
diff --git a/app/assets/javascripts/components/features/hashtag_timeline/index.jsx b/app/assets/javascripts/components/features/hashtag_timeline/index.jsx
index bea0a2759..cf53a7729 100644
--- a/app/assets/javascripts/components/features/hashtag_timeline/index.jsx
+++ b/app/assets/javascripts/components/features/hashtag_timeline/index.jsx
@@ -47,13 +47,13 @@ const HashtagTimeline = React.createClass({
     const { dispatch } = this.props;
     const { id } = this.props.params;
 
-    dispatch(refreshTimeline('tag', true, id));
+    dispatch(refreshTimeline('tag', id));
     this._subscribe(dispatch, id);
   },
 
   componentWillReceiveProps (nextProps) {
     if (nextProps.params.id !== this.props.params.id) {
-      this.props.dispatch(refreshTimeline('tag', true, nextProps.params.id));
+      this.props.dispatch(refreshTimeline('tag', nextProps.params.id));
       this._unsubscribe();
       this._subscribe(this.props.dispatch, nextProps.params.id);
     }
diff --git a/app/assets/javascripts/components/features/ui/containers/status_list_container.jsx b/app/assets/javascripts/components/features/ui/containers/status_list_container.jsx
index 8004e3f04..1621cec7b 100644
--- a/app/assets/javascripts/components/features/ui/containers/status_list_container.jsx
+++ b/app/assets/javascripts/components/features/ui/containers/status_list_container.jsx
@@ -1,16 +1,25 @@
 import { connect } from 'react-redux';
 import StatusList from '../../../components/status_list';
-import { expandTimeline } from '../../../actions/timelines';
+import { expandTimeline, scrollTopTimeline } from '../../../actions/timelines';
 import Immutable from 'immutable';
 
 const mapStateToProps = (state, props) => ({
-  statusIds: state.getIn(['timelines', props.type], Immutable.List())
+  statusIds: state.getIn(['timelines', props.type, 'items'], Immutable.List())
 });
 
 const mapDispatchToProps = function (dispatch, props) {
   return {
     onScrollToBottom () {
+      dispatch(scrollTopTimeline(props.type, false));
       dispatch(expandTimeline(props.type, props.id));
+    },
+
+    onScrollToTop () {
+      dispatch(scrollTopTimeline(props.type, true));
+    },
+
+    onScroll () {
+      dispatch(scrollTopTimeline(props.type, false));
     }
   };
 };
diff --git a/app/assets/javascripts/components/reducers/timelines.jsx b/app/assets/javascripts/components/reducers/timelines.jsx
index 358734eaf..de157eb25 100644
--- a/app/assets/javascripts/components/reducers/timelines.jsx
+++ b/app/assets/javascripts/components/reducers/timelines.jsx
@@ -1,8 +1,10 @@
 import {
+  TIMELINE_REFRESH_REQUEST,
   TIMELINE_REFRESH_SUCCESS,
   TIMELINE_UPDATE,
   TIMELINE_DELETE,
-  TIMELINE_EXPAND_SUCCESS
+  TIMELINE_EXPAND_SUCCESS,
+  TIMELINE_SCROLL_TOP
 } from '../actions/timelines';
 import {
   REBLOG_SUCCESS,
@@ -23,10 +25,31 @@ import {
 import Immutable from 'immutable';
 
 const initialState = Immutable.Map({
-  home: Immutable.List(),
-  mentions: Immutable.List(),
-  public: Immutable.List(),
-  tag: Immutable.List(),
+  home: Immutable.Map({
+    loaded: false,
+    top: true,
+    items: Immutable.List()
+  }),
+
+  mentions: Immutable.Map({
+    loaded: false,
+    top: true,
+    items: Immutable.List()
+  }),
+
+  public: Immutable.Map({
+    loaded: false,
+    top: true,
+    items: Immutable.List()
+  }),
+
+  tag: Immutable.Map({
+    id: null,
+    loaded: false,
+    top: true,
+    items: Immutable.List()
+  }),
+
   accounts_timelines: Immutable.Map(),
   ancestors: Immutable.Map(),
   descendants: Immutable.Map()
@@ -50,14 +73,17 @@ const normalizeStatus = (state, status) => {
 };
 
 const normalizeTimeline = (state, timeline, statuses, replace = false) => {
-  let ids = Immutable.List();
+  let ids      = Immutable.List();
+  const loaded = state.getIn([timeline, 'loaded']);
 
   statuses.forEach((status, i) => {
     state = normalizeStatus(state, status);
     ids   = ids.set(i, status.get('id'));
   });
 
-  return state.update(timeline, Immutable.List(), list => (replace ? ids : list.unshift(...ids)));
+  state = state.setIn([timeline, 'loaded'], true);
+
+  return state.updateIn([timeline, 'items'], Immutable.List(), list => (loaded ? list.unshift(...ids) : list.push(...ids)));
 };
 
 const appendNormalizedTimeline = (state, timeline, statuses) => {
@@ -68,7 +94,7 @@ const appendNormalizedTimeline = (state, timeline, statuses) => {
     moreIds = moreIds.set(i, status.get('id'));
   });
 
-  return state.update(timeline, Immutable.List(), list => list.push(...moreIds));
+  return state.updateIn([timeline, 'items'], Immutable.List(), list => list.push(...moreIds));
 };
 
 const normalizeAccountTimeline = (state, accountId, statuses, replace = false) => {
@@ -94,9 +120,15 @@ const appendNormalizedAccountTimeline = (state, accountId, statuses) => {
 };
 
 const updateTimeline = (state, timeline, status, references) => {
+  const top = state.getIn([timeline, 'top']);
+
   state = normalizeStatus(state, status);
 
-  state = state.update(timeline, Immutable.List(), list => {
+  state = state.updateIn([timeline, 'items'], Immutable.List(), list => {
+    if (top && list.size > 40) {
+      list = list.take(20);
+    }
+
     if (list.includes(status.get('id'))) {
       return list;
     }
@@ -116,7 +148,7 @@ const updateTimeline = (state, timeline, status, references) => {
 const deleteStatus = (state, id, accountId, references) => {
   // Remove references from timelines
   ['home', 'mentions', 'public', 'tag'].forEach(function (timeline) {
-    state = state.update(timeline, list => list.filterNot(item => item === id));
+    state = state.updateIn([timeline, 'items'], list => list.filterNot(item => item === id));
   });
 
   // Remove references from account timelines
@@ -166,10 +198,23 @@ const normalizeContext = (state, id, ancestors, descendants) => {
   });
 };
 
+const resetTimeline = (state, timeline, id) => {
+  if (timeline === 'tag' && state.getIn([timeline, 'id']) !== id) {
+    state = state.update(timeline, map => map
+        .set('id', id)
+        .set('loaded', false)
+        .update('items', list => list.clear()));
+  }
+
+  return state;
+};
+
 export default function timelines(state = initialState, action) {
   switch(action.type) {
+    case TIMELINE_REFRESH_REQUEST:
+      return resetTimeline(state, action.timeline, action.id);
     case TIMELINE_REFRESH_SUCCESS:
-      return normalizeTimeline(state, action.timeline, Immutable.fromJS(action.statuses), action.replace);
+      return normalizeTimeline(state, action.timeline, Immutable.fromJS(action.statuses));
     case TIMELINE_EXPAND_SUCCESS:
       return appendNormalizedTimeline(state, action.timeline, Immutable.fromJS(action.statuses));
     case TIMELINE_UPDATE:
@@ -184,6 +229,8 @@ export default function timelines(state = initialState, action) {
       return appendNormalizedAccountTimeline(state, action.id, Immutable.fromJS(action.statuses));
     case ACCOUNT_BLOCK_SUCCESS:
       return filterTimelines(state, action.relationship, action.statuses);
+    case TIMELINE_SCROLL_TOP:
+      return state.setIn([action.timeline, 'top'], action.top);
     default:
       return state;
   }
diff --git a/db/migrate/20161203164520_add_from_account_id_to_notifications.rb b/db/migrate/20161203164520_add_from_account_id_to_notifications.rb
index 282676760..142adbe9c 100644
--- a/db/migrate/20161203164520_add_from_account_id_to_notifications.rb
+++ b/db/migrate/20161203164520_add_from_account_id_to_notifications.rb
@@ -2,10 +2,10 @@ class AddFromAccountIdToNotifications < ActiveRecord::Migration[5.0]
   def up
     add_column :notifications, :from_account_id, :integer
 
-    Notification.where(activity_type: 'Status').update_all('from_account_id = (SELECT statuses.account_id FROM notifications AS notifications1 INNER JOIN statuses ON notifications1.activity_id = statuses.id WHERE notifications1.activity_type = \'Status\' AND notifications1.id = notifications.id)')
-    Notification.where(activity_type: 'Mention').update_all('from_account_id = (SELECT statuses.account_id FROM notifications AS notifications1 INNER JOIN mentions ON notifications1.activity_id = mentions.id INNER JOIN statuses ON mentions.status_id = statuses.id WHERE notifications1.activity_type = \'Mention\' AND notifications1.id = notifications.id)')
-    Notification.where(activity_type: 'Favourite').update_all('from_account_id = (SELECT favourites.account_id FROM notifications AS notifications1 INNER JOIN favourites ON notifications1.activity_id = favourites.id WHERE notifications1.activity_type = \'Favourite\' AND notifications1.id = notifications.id)')
-    Notification.where(activity_type: 'Follow').update_all('from_account_id = (SELECT follows.account_id FROM notifications AS notifications1 INNER JOIN follows ON notifications1.activity_id = follows.id WHERE notifications1.activity_type = \'Follow\' AND notifications1.id = notifications.id)')
+    Notification.where(from_account_id: nil).where(activity_type: 'Status').update_all('from_account_id = (SELECT statuses.account_id FROM notifications AS notifications1 INNER JOIN statuses ON notifications1.activity_id = statuses.id WHERE notifications1.activity_type = \'Status\' AND notifications1.id = notifications.id)')
+    Notification.where(from_account_id: nil).where(activity_type: 'Mention').update_all('from_account_id = (SELECT statuses.account_id FROM notifications AS notifications1 INNER JOIN mentions ON notifications1.activity_id = mentions.id INNER JOIN statuses ON mentions.status_id = statuses.id WHERE notifications1.activity_type = \'Mention\' AND notifications1.id = notifications.id)')
+    Notification.where(from_account_id: nil).where(activity_type: 'Favourite').update_all('from_account_id = (SELECT favourites.account_id FROM notifications AS notifications1 INNER JOIN favourites ON notifications1.activity_id = favourites.id WHERE notifications1.activity_type = \'Favourite\' AND notifications1.id = notifications.id)')
+    Notification.where(from_account_id: nil).where(activity_type: 'Follow').update_all('from_account_id = (SELECT follows.account_id FROM notifications AS notifications1 INNER JOIN follows ON notifications1.activity_id = follows.id WHERE notifications1.activity_type = \'Follow\' AND notifications1.id = notifications.id)')
   end
 
   def down