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146 lines
4.8 KiB
146 lines
4.8 KiB
import {
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TIMELINE_REFRESH_REQUEST,
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TIMELINE_REFRESH_SUCCESS,
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TIMELINE_REFRESH_FAIL,
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TIMELINE_UPDATE,
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TIMELINE_DELETE,
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TIMELINE_EXPAND_SUCCESS,
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TIMELINE_EXPAND_REQUEST,
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TIMELINE_EXPAND_FAIL,
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TIMELINE_SCROLL_TOP,
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TIMELINE_CONNECT,
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TIMELINE_DISCONNECT,
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} from '../actions/timelines';
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import {
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ACCOUNT_BLOCK_SUCCESS,
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ACCOUNT_MUTE_SUCCESS,
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} from '../actions/accounts';
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import Immutable from 'immutable';
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const initialState = Immutable.Map();
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const initialTimeline = Immutable.Map({
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unread: 0,
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online: false,
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top: true,
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loaded: false,
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isLoading: false,
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next: false,
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items: Immutable.List(),
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});
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const normalizeTimeline = (state, timeline, statuses, next) => {
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const ids = Immutable.List(statuses.map(status => status.get('id')));
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const wasLoaded = state.getIn([timeline, 'loaded']);
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const hadNext = state.getIn([timeline, 'next']);
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const oldIds = state.getIn([timeline, 'items'], Immutable.List());
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return state.update(timeline, initialTimeline, map => map.withMutations(mMap => {
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mMap.set('loaded', true);
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mMap.set('isLoading', false);
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if (!hadNext) mMap.set('next', next);
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mMap.set('items', wasLoaded ? ids.concat(oldIds) : ids);
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}));
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};
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const appendNormalizedTimeline = (state, timeline, statuses, next) => {
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const ids = Immutable.List(statuses.map(status => status.get('id')));
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const oldIds = state.getIn([timeline, 'items'], Immutable.List());
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return state.update(timeline, initialTimeline, map => map.withMutations(mMap => {
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mMap.set('isLoading', false);
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mMap.set('next', next);
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mMap.set('items', oldIds.concat(ids));
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}));
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};
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const updateTimeline = (state, timeline, status, references) => {
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const top = state.getIn([timeline, 'top']);
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const ids = state.getIn([timeline, 'items'], Immutable.List());
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const includesId = ids.includes(status.get('id'));
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const unread = state.getIn([timeline, 'unread'], 0);
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if (includesId) {
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return state;
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}
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let newIds = ids;
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return state.update(timeline, initialTimeline, map => map.withMutations(mMap => {
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if (!top) mMap.set('unread', unread + 1);
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if (top && ids.size > 40) newIds = newIds.take(20);
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if (status.getIn(['reblog', 'id'], null) !== null) newIds = newIds.filterNot(item => references.includes(item));
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mMap.set('items', newIds.unshift(status.get('id')));
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}));
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};
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const deleteStatus = (state, id, accountId, references, reblogOf) => {
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state.keySeq().forEach(timeline => {
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state = state.updateIn([timeline, 'items'], list => {
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if (reblogOf && !list.includes(reblogOf)) {
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return list.map(item => item === id ? reblogOf : item);
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} else {
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return list.filterNot(item => item === id);
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}
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});
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});
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// Remove reblogs of deleted status
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references.forEach(ref => {
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state = deleteStatus(state, ref[0], ref[1], []);
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});
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return state;
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};
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const filterTimelines = (state, relationship, statuses) => {
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let references;
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statuses.forEach(status => {
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if (status.get('account') !== relationship.id) {
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return;
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}
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references = statuses.filter(item => item.get('reblog') === status.get('id')).map(item => [item.get('id'), item.get('account')]);
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state = deleteStatus(state, status.get('id'), status.get('account'), references);
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});
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return state;
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};
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const updateTop = (state, timeline, top) => {
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return state.update(timeline, initialTimeline, map => map.withMutations(mMap => {
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if (top) mMap.set('unread', 0);
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mMap.set('top', top);
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}));
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};
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export default function timelines(state = initialState, action) {
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switch(action.type) {
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case TIMELINE_REFRESH_REQUEST:
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case TIMELINE_EXPAND_REQUEST:
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return state.update(action.timeline, initialTimeline, map => map.set('isLoading', true));
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case TIMELINE_REFRESH_FAIL:
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case TIMELINE_EXPAND_FAIL:
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return state.update(action.timeline, initialTimeline, map => map.set('isLoading', false));
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case TIMELINE_REFRESH_SUCCESS:
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return normalizeTimeline(state, action.timeline, Immutable.fromJS(action.statuses), action.next);
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case TIMELINE_EXPAND_SUCCESS:
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return appendNormalizedTimeline(state, action.timeline, Immutable.fromJS(action.statuses), action.next);
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case TIMELINE_UPDATE:
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return updateTimeline(state, action.timeline, Immutable.fromJS(action.status), action.references);
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case TIMELINE_DELETE:
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return deleteStatus(state, action.id, action.accountId, action.references, action.reblogOf);
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case ACCOUNT_BLOCK_SUCCESS:
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case ACCOUNT_MUTE_SUCCESS:
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return filterTimelines(state, action.relationship, action.statuses);
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case TIMELINE_SCROLL_TOP:
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return updateTop(state, action.timeline, action.top);
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case TIMELINE_CONNECT:
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return state.update(action.timeline, initialTimeline, map => map.set('online', true));
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case TIMELINE_DISCONNECT:
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return state.update(action.timeline, initialTimeline, map => map.set('online', false));
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default:
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return state;
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}
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};
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