vt-social/app/javascript/flavours/glitch/reducers/notifications.js

250 lines
7.8 KiB
JavaScript

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_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: 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) => {
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_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);
case NOTIFICATIONS_EXPAND_SUCCESS:
return expandNormalizedNotifications(state, action.notifications, action.next);
case ACCOUNT_BLOCK_SUCCESS:
return filterNotifications(state, action.relationship);
case ACCOUNT_MUTE_SUCCESS:
return action.relationship.muting_notifications ? filterNotifications(state, action.relationship) : state;
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;
}
};