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import { TIMELINE_SET, TIMELINE_UPDATE, TIMELINE_DELETE } from '../actions/timelines';
import { REBLOG_SUCCESS, FAVOURITE_SUCCESS } from '../actions/interactions';
import Immutable from 'immutable';
const initialState = Immutable.Map({
home: Immutable.List([]),
mentions: Immutable.List([]),
statuses: Immutable.Map(),
accounts: Immutable.Map()
});
function statusToMaps(state, status) {
// Separate account
let account = status.get('account');
status = status.set('account', account.get('id'));
// Separate reblog, repeat for reblog
let reblog = status.get('reblog');
if (reblog !== null) {
status = status.set('reblog', reblog.get('id'));
state = statusToMaps(state, reblog);
}
return state.withMutations(map => {
map.setIn(['accounts', account.get('id')], account);
map.setIn(['statuses', status.get('id')], status);
});
};
function timelineToMaps(state, timeline, statuses) {
statuses.forEach((status, i) => {
state = statusToMaps(state, status);
state = state.setIn([timeline, i], status.get('id'));
});
return state;
};
function updateTimelineWithMaps(state, timeline, status) {
state = statusToMaps(state, status);
state = state.update(timeline, list => list.unshift(status.get('id')));
return state;
};
function deleteStatus(state, id) {
['home', 'mentions'].forEach(function (timeline) {
state = state.update(timeline, list => list.filterNot(item => item === id));
});
return state.deleteIn(['statuses', id]);
};
export default function timelines(state = initialState, action) {
switch(action.type) {
case TIMELINE_SET:
return timelineToMaps(state, action.timeline, Immutable.fromJS(action.statuses));
case TIMELINE_UPDATE:
return updateTimelineWithMaps(state, action.timeline, Immutable.fromJS(action.status));
case TIMELINE_DELETE:
return deleteStatus(state, action.id);
case REBLOG_SUCCESS:
case FAVOURITE_SUCCESS:
return statusToMaps(state, Immutable.fromJS(action.response));
default:
return state;
}
}
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