about summary refs log tree commit diff
path: root/app/javascript/flavours/glitch/reducers/notifications.js
blob: d0eb7bb5ab1aee365f0ee12bb531dec108ce99a2 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
import {
  NOTIFICATIONS_MOUNT,
  NOTIFICATIONS_UNMOUNT,
  NOTIFICATIONS_SET_VISIBILITY,
  NOTIFICATIONS_UPDATE,
  NOTIFICATIONS_EXPAND_SUCCESS,
  NOTIFICATIONS_EXPAND_REQUEST,
  NOTIFICATIONS_EXPAND_FAIL,
  NOTIFICATIONS_FILTER_SET,
  NOTIFICATIONS_CLEAR,
  NOTIFICATIONS_SCROLL_TOP,
  NOTIFICATIONS_LOAD_PENDING,
  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,
  FOLLOW_REQUEST_AUTHORIZE_SUCCESS,
  FOLLOW_REQUEST_REJECT_SUCCESS,
} from 'flavours/glitch/actions/accounts';
import {
  MARKERS_FETCH_SUCCESS,
} from 'flavours/glitch/actions/markers';
import { DOMAIN_BLOCK_SUCCESS } from 'flavours/glitch/actions/domain_blocks';
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({
  pendingItems: ImmutableList(),
  items: ImmutableList(),
  hasMore: true,
  top: false,
  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, usePendingItems) => {
  const top = !shouldCountUnreadNotifications(state);

  if (usePendingItems || !state.get('pendingItems').isEmpty()) {
    return state.update('pendingItems', list => list.unshift(notificationToMap(state, notification))).update('unread', unread => unread + 1);
  }

  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, isLoadingRecent, usePendingItems) => {
  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()) {
      usePendingItems = isLoadingRecent && (usePendingItems || !mutable.get('pendingItems').isEmpty());

      mutable.update(usePendingItems ? 'pendingItems' : '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.count(item => compareId(item.get('id'), lastReadId) > 0));
    }

    if (!next) {
      mutable.set('hasMore', false);
    }

    mutable.set('isLoading', false);
  });
};

const filterNotifications = (state, accountIds, type) => {
  const helper = list => list.filterNot(item => item !== null && accountIds.includes(item.get('account')) && (type === undefined || type === item.get('type')));
  return state.update('items', helper).update('pendingItems', helper);
};

const clearUnread = (state) => {
  state = state.set('unread', state.get('pendingItems').size);
  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);
  }
  const helper = list => list.filterNot(item => item !== null && item.get('status') === statusId);
  const deletedUnread = state.get('pendingItems').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', helper).update('pendingItems', helper);
};

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);
};

const recountUnread = (state, last_read_id) => {
  return state.withMutations(mutable => {
    if (compareId(last_read_id, mutable.get('lastReadId')) > 0) {
      mutable.set('lastReadId', last_read_id);
    }

    if (state.get('unread') > 0 || shouldCountUnreadNotifications(state)) {
      mutable.set('unread', mutable.get('pendingItems').count(item => item !== null) + mutable.get('items').count(item => item && compareId(item.get('id'), last_read_id) > 0));
    }
  });
}

export default function notifications(state = initialState, action) {
  let st;

  switch(action.type) {
  case MARKERS_FETCH_SUCCESS:
    return action.markers.notifications ? recountUnread(state, action.markers.notifications.last_read_id) : state;
  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_LOAD_PENDING:
    return state.update('items', list => state.get('pendingItems').concat(list.take(40))).set('pendingItems', ImmutableList()).set('unread', 0);
  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_FILTER_SET:
    return state.set('items', ImmutableList()).set('hasMore', true);
  case NOTIFICATIONS_SCROLL_TOP:
    return updateTop(state, action.top);
  case NOTIFICATIONS_UPDATE:
    return normalizeNotification(state, action.notification, action.usePendingItems);
  case NOTIFICATIONS_EXPAND_SUCCESS:
    return expandNormalizedNotifications(state, action.notifications, action.next, action.isLoadingRecent, action.usePendingItems);
  case ACCOUNT_BLOCK_SUCCESS:
    return filterNotifications(state, [action.relationship.id]);
  case ACCOUNT_MUTE_SUCCESS:
    return action.relationship.muting_notifications ? filterNotifications(state, [action.relationship.id]) : state;
  case DOMAIN_BLOCK_SUCCESS:
    return filterNotifications(state, action.accounts);
  case FOLLOW_REQUEST_AUTHORIZE_SUCCESS:
  case FOLLOW_REQUEST_REJECT_SUCCESS:
    return filterNotifications(state, [action.id], 'follow_request');
  case ACCOUNT_MUTE_SUCCESS:
    return action.relationship.muting_notifications ? filterNotifications(state, [action.relationship.id]) : state;
  case NOTIFICATIONS_CLEAR:
    return state.set('items', ImmutableList()).set('pendingItems', ImmutableList()).set('hasMore', false);
  case TIMELINE_DELETE:
    return deleteByStatus(state, action.id);
  case TIMELINE_DISCONNECT:
    return action.timeline === 'home' ?
      state.update(action.usePendingItems ? 'pendingItems' : '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;
  }
};