60 lines
1.5 KiB
JavaScript
60 lines
1.5 KiB
JavaScript
import {
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Map as ImmutableMap,
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List as ImmutableList,
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} from 'immutable'
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import { me } from '../initial_state'
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import {
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ALBUMS_FETCH_REQUEST,
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ALBUMS_FETCH_SUCCESS,
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ALBUMS_FETCH_FAIL,
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ALBUMS_EXPAND_REQUEST,
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ALBUMS_EXPAND_SUCCESS,
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ALBUMS_EXPAND_FAIL,
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} from '../actions/albums'
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const initialState = ImmutableMap({})
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const setListFailed = (state, id) => {
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return state.setIn([id], ImmutableMap({
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next: null,
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items: ImmutableList(),
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isLoading: false,
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}))
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}
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const normalizeList = (state, id, albums, next) => {
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return state.setIn([id], ImmutableMap({
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next,
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items: ImmutableList(albums.map(item => item.id)),
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isLoading: false,
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}))
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}
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const appendToList = (state, id, albums, next) => {
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return state.updateIn([id], (map) => {
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return map
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.set('next', next)
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.set('isLoading', false)
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.update('items', (list) => {
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return list.concat(albums.map(item => item.id))
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})
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})
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}
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export default function album_lists(state = initialState, action) {
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switch(action.type) {
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case ALBUMS_FETCH_REQUEST:
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case ALBUMS_EXPAND_REQUEST:
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return state.setIn([action.accountId, 'isLoading'], true)
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case ALBUMS_FETCH_SUCCESS:
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return normalizeList(state, action.accountId, action.albums, action.next)
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case ALBUMS_EXPAND_SUCCESS:
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return appendToList(state, action.accountId, action.albums, action.next)
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case ALBUMS_FETCH_FAIL:
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case ALBUMS_EXPAND_FAIL:
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return setListFailed(state, action.accountId)
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default:
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return state;
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}
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};
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