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ef9d4f4e06
Also upgrade react-redux to latest version. This is a performance update
228 lines
7.4 KiB
JavaScript
228 lines
7.4 KiB
JavaScript
import {
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TIMELINE_REFRESH_SUCCESS,
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TIMELINE_UPDATE,
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TIMELINE_DELETE,
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TIMELINE_EXPAND_SUCCESS
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} from '../actions/timelines';
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import {
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REBLOG_SUCCESS,
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UNREBLOG_SUCCESS,
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FAVOURITE_SUCCESS,
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UNFAVOURITE_SUCCESS
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} from '../actions/interactions';
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import {
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ACCOUNT_SET_SELF,
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ACCOUNT_FETCH_SUCCESS,
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ACCOUNT_FOLLOW_SUCCESS,
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ACCOUNT_UNFOLLOW_SUCCESS,
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ACCOUNT_BLOCK_SUCCESS,
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ACCOUNT_UNBLOCK_SUCCESS,
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ACCOUNT_TIMELINE_FETCH_SUCCESS,
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ACCOUNT_TIMELINE_EXPAND_SUCCESS
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} from '../actions/accounts';
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import {
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STATUS_FETCH_SUCCESS,
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STATUS_DELETE_SUCCESS
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} from '../actions/statuses';
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import { FOLLOW_SUBMIT_SUCCESS } from '../actions/follow';
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import Immutable from 'immutable';
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const initialState = Immutable.Map({
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home: Immutable.List([]),
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mentions: Immutable.List([]),
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public: Immutable.List([]),
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statuses: Immutable.Map(),
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accounts: Immutable.Map(),
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accounts_timelines: Immutable.Map(),
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me: null,
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ancestors: Immutable.Map(),
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descendants: Immutable.Map(),
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relationships: Immutable.Map()
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});
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function normalizeStatus(state, status) {
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// Separate account
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let account = status.get('account');
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status = status.set('account', account.get('id'));
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// Separate reblog, repeat for reblog
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let reblog = status.get('reblog');
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if (reblog !== null) {
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status = status.set('reblog', reblog.get('id'));
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state = normalizeStatus(state, reblog);
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}
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// Replies
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if (status.get('in_reply_to_id')) {
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state = state.updateIn(['descendants', status.get('in_reply_to_id')], set => {
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if (!Immutable.OrderedSet.isOrderedSet(set)) {
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return Immutable.OrderedSet([status.get('id')]);
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} else {
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return set.add(status.get('id'));
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}
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});
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}
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return state.withMutations(map => {
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if (status.get('in_reply_to_id')) {
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map.updateIn(['descendants', status.get('in_reply_to_id')], Immutable.OrderedSet(), set => set.add(status.get('id')));
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map.updateIn(['ancestors', status.get('id')], Immutable.OrderedSet(), set => set.add(status.get('in_reply_to_id')));
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}
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map.setIn(['accounts', account.get('id')], account);
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map.setIn(['statuses', status.get('id')], status);
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});
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};
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function normalizeTimeline(state, timeline, statuses) {
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statuses.forEach((status, i) => {
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state = normalizeStatus(state, status);
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state = state.setIn([timeline, i], status.get('id'));
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});
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return state;
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};
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function appendNormalizedTimeline(state, timeline, statuses) {
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let moreIds = Immutable.List([]);
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statuses.forEach((status, i) => {
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state = normalizeStatus(state, status);
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moreIds = moreIds.set(i, status.get('id'));
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});
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return state.update(timeline, list => list.push(...moreIds));
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};
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function normalizeAccountTimeline(state, accountId, statuses) {
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state = state.updateIn(['accounts_timelines', accountId], Immutable.List([]), list => {
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return (list.size > 0) ? list.clear() : list;
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});
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statuses.forEach((status, i) => {
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state = normalizeStatus(state, status);
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state = state.updateIn(['accounts_timelines', accountId], Immutable.List([]), list => list.set(i, status.get('id')));
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});
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return state;
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};
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function appendNormalizedAccountTimeline(state, accountId, statuses) {
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let moreIds = Immutable.List([]);
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statuses.forEach((status, i) => {
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state = normalizeStatus(state, status);
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moreIds = moreIds.set(i, status.get('id'));
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});
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return state.updateIn(['accounts_timelines', accountId], Immutable.List([]), list => list.push(...moreIds));
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};
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function updateTimeline(state, timeline, status) {
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state = normalizeStatus(state, status);
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state = state.update(timeline, list => list.unshift(status.get('id')));
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state = state.updateIn(['accounts_timelines', status.getIn(['account', 'id'])], Immutable.List([]), list => (list.includes(status.get('id')) ? list : list.unshift(status.get('id'))));
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return state;
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};
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function deleteStatus(state, id) {
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const status = state.getIn(['statuses', id]);
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if (!status) {
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return state;
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}
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// Remove references from timelines
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['home', 'mentions'].forEach(function (timeline) {
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state = state.update(timeline, list => list.filterNot(item => item === id));
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});
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// Remove references from account timelines
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state = state.updateIn(['accounts_timelines', status.get('account')], Immutable.List([]), list => list.filterNot(item => item === id));
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// Remove reblogs of deleted status
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const references = state.get('statuses').filter(item => item.get('reblog') === id);
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references.forEach(referencingId => {
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state = deleteStatus(state, referencingId);
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});
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// Remove normalized status
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return state.deleteIn(['statuses', id]);
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};
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function normalizeAccount(state, account, relationship) {
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if (relationship) {
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state = normalizeRelationship(state, relationship);
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}
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return state.setIn(['accounts', account.get('id')], account);
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};
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function normalizeRelationship(state, relationship) {
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return state.setIn(['relationships', relationship.get('id')], relationship);
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};
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function setSelf(state, account) {
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state = normalizeAccount(state, account);
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return state.set('me', account.get('id'));
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};
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function normalizeContext(state, status, ancestors, descendants) {
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state = normalizeStatus(state, status);
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let ancestorsIds = ancestors.map(ancestor => {
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state = normalizeStatus(state, ancestor);
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return ancestor.get('id');
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}).toOrderedSet();
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let descendantsIds = descendants.map(descendant => {
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state = normalizeStatus(state, descendant);
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return descendant.get('id');
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}).toOrderedSet();
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return state.withMutations(map => {
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map.setIn(['ancestors', status.get('id')], ancestorsIds);
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map.setIn(['descendants', status.get('id')], descendantsIds);
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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_SUCCESS:
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return normalizeTimeline(state, action.timeline, Immutable.fromJS(action.statuses));
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case TIMELINE_EXPAND_SUCCESS:
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return appendNormalizedTimeline(state, action.timeline, Immutable.fromJS(action.statuses));
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case TIMELINE_UPDATE:
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return updateTimeline(state, action.timeline, Immutable.fromJS(action.status));
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case TIMELINE_DELETE:
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case STATUS_DELETE_SUCCESS:
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return deleteStatus(state, action.id);
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case REBLOG_SUCCESS:
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case FAVOURITE_SUCCESS:
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case UNREBLOG_SUCCESS:
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case UNFAVOURITE_SUCCESS:
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return normalizeStatus(state, Immutable.fromJS(action.response));
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case ACCOUNT_SET_SELF:
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return setSelf(state, Immutable.fromJS(action.account));
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case ACCOUNT_FETCH_SUCCESS:
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case FOLLOW_SUBMIT_SUCCESS:
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return normalizeAccount(state, Immutable.fromJS(action.account), Immutable.fromJS(action.relationship));
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case ACCOUNT_FOLLOW_SUCCESS:
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case ACCOUNT_UNFOLLOW_SUCCESS:
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case ACCOUNT_UNBLOCK_SUCCESS:
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case ACCOUNT_BLOCK_SUCCESS:
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return normalizeRelationship(state, Immutable.fromJS(action.relationship));
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case STATUS_FETCH_SUCCESS:
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return normalizeContext(state, Immutable.fromJS(action.status), Immutable.fromJS(action.context.ancestors), Immutable.fromJS(action.context.descendants));
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case ACCOUNT_TIMELINE_FETCH_SUCCESS:
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return normalizeAccountTimeline(state, action.id, Immutable.fromJS(action.statuses));
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case ACCOUNT_TIMELINE_EXPAND_SUCCESS:
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return appendNormalizedAccountTimeline(state, action.id, Immutable.fromJS(action.statuses));
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default:
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return state;
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}
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};
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