nyastodon/app/javascript/mastodon/reducers/contexts.js
Eugen Rochko 47bf7a8047 Fix #3665 - Refactor timelines reducer (#3686)
* Move ancestors/descendants out of timelines reducer

* Refactor timelines reducer

All types of timelines now have a flat structure and use the same
reducer functions and actions

* Reintroduce some missing behaviours

* Fix wrong import in reports

* Fix includes typo

* Fix issue related to "next" pagination in timelines and notifications

* Fix bug with timeline's initial state, expandNotifications
2017-06-11 17:07:35 +02:00

43 lines
1.5 KiB
JavaScript

import { CONTEXT_FETCH_SUCCESS } from '../actions/statuses';
import { TIMELINE_DELETE } from '../actions/timelines';
import Immutable from 'immutable';
const initialState = Immutable.Map({
ancestors: Immutable.Map(),
descendants: Immutable.Map(),
});
const normalizeContext = (state, id, ancestors, descendants) => {
const ancestorsIds = ancestors.map(ancestor => ancestor.get('id'));
const descendantsIds = descendants.map(descendant => descendant.get('id'));
return state.withMutations(map => {
map.setIn(['ancestors', id], ancestorsIds);
map.setIn(['descendants', id], descendantsIds);
});
};
const deleteFromContexts = (state, id) => {
state.getIn(['descendants', id], Immutable.List()).forEach(descendantId => {
state = state.updateIn(['ancestors', descendantId], Immutable.List(), list => list.filterNot(itemId => itemId === id));
});
state.getIn(['ancestors', id], Immutable.List()).forEach(ancestorId => {
state = state.updateIn(['descendants', ancestorId], Immutable.List(), list => list.filterNot(itemId => itemId === id));
});
state = state.deleteIn(['descendants', id]).deleteIn(['ancestors', id]);
return state;
};
export default function contexts(state = initialState, action) {
switch(action.type) {
case CONTEXT_FETCH_SUCCESS:
return normalizeContext(state, action.id, Immutable.fromJS(action.ancestors), Immutable.fromJS(action.descendants));
case TIMELINE_DELETE:
return deleteFromContexts(state, action.id);
default:
return state;
}
};