gab-social/app/javascript/gabsocial/reducers/status_lists.js

83 lines
2.6 KiB
JavaScript

import {
FAVORITED_STATUSES_FETCH_REQUEST,
FAVORITED_STATUSES_FETCH_SUCCESS,
FAVORITED_STATUSES_FETCH_FAIL,
FAVORITED_STATUSES_EXPAND_REQUEST,
FAVORITED_STATUSES_EXPAND_SUCCESS,
FAVORITED_STATUSES_EXPAND_FAIL,
} from '../actions/favorites';
import { Map as ImmutableMap, List as ImmutableList } from 'immutable';
import {
FAVORITE_SUCCESS,
UNFAVORITE_SUCCESS,
PIN_SUCCESS,
UNPIN_SUCCESS,
} from '../actions/interactions';
const initialState = ImmutableMap({
favorites: ImmutableMap({
next: null,
loaded: false,
items: ImmutableList(),
}),
pins: ImmutableMap({
next: null,
loaded: false,
items: ImmutableList(),
}),
});
const normalizeList = (state, listType, statuses, next) => {
return state.update(listType, listMap => listMap.withMutations(map => {
map.set('next', next);
map.set('loaded', true);
map.set('isLoading', false);
map.set('items', ImmutableList(statuses.map(item => item.id)));
}));
};
const appendToList = (state, listType, statuses, next) => {
return state.update(listType, listMap => listMap.withMutations(map => {
map.set('next', next);
map.set('isLoading', false);
map.set('items', map.get('items').concat(statuses.map(item => item.id)));
}));
};
const prependOneToList = (state, listType, status) => {
return state.update(listType, listMap => listMap.withMutations(map => {
map.set('items', map.get('items').unshift(status.get('id')));
}));
};
const removeOneFromList = (state, listType, status) => {
return state.update(listType, listMap => listMap.withMutations(map => {
map.set('items', map.get('items').filter(item => item !== status.get('id')));
}));
};
export default function statusLists(state = initialState, action) {
switch(action.type) {
case FAVORITED_STATUSES_FETCH_REQUEST:
case FAVORITED_STATUSES_EXPAND_REQUEST:
return state.setIn(['favorites', 'isLoading'], true);
case FAVORITED_STATUSES_FETCH_FAIL:
case FAVORITED_STATUSES_EXPAND_FAIL:
return state.setIn(['favorites', 'isLoading'], false);
case FAVORITED_STATUSES_FETCH_SUCCESS:
return normalizeList(state, 'favorites', action.statuses, action.next);
case FAVORITED_STATUSES_EXPAND_SUCCESS:
return appendToList(state, 'favorites', action.statuses, action.next);
case FAVORITE_SUCCESS:
return prependOneToList(state, 'favorites', action.status);
case UNFAVORITE_SUCCESS:
return removeOneFromList(state, 'favorites', action.status);
case PIN_SUCCESS:
return prependOneToList(state, 'pins', action.status);
case UNPIN_SUCCESS:
return removeOneFromList(state, 'pins', action.status);
default:
return state;
}
};