40 lines
1.2 KiB
JavaScript
40 lines
1.2 KiB
JavaScript
import {
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FAVOURITED_STATUSES_FETCH_SUCCESS,
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FAVOURITED_STATUSES_EXPAND_SUCCESS
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} from '../actions/favourites';
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import Immutable from 'immutable';
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const initialState = Immutable.Map({
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favourites: Immutable.Map({
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next: null,
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loaded: false,
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items: Immutable.List()
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})
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});
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const normalizeList = (state, listType, statuses, next) => {
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return state.update(listType, listMap => listMap.withMutations(map => {
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map.set('next', next);
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map.set('loaded', true);
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map.set('items', Immutable.List(statuses.map(item => item.id)));
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}));
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};
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const appendToList = (state, listType, statuses, next) => {
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return state.update(listType, listMap => listMap.withMutations(map => {
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map.set('next', next);
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map.set('items', map.get('items').push(...statuses.map(item => item.id)));
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}));
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};
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export default function statusLists(state = initialState, action) {
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switch(action.type) {
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case FAVOURITED_STATUSES_FETCH_SUCCESS:
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return normalizeList(state, 'favourites', action.statuses, action.next);
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case FAVOURITED_STATUSES_EXPAND_SUCCESS:
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return appendToList(state, 'favourites', action.statuses, action.next);
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default:
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return state;
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}
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};
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