hometown/app/assets/javascripts/components/selectors/index.jsx
Eugen Rochko a23e4380b2 Avoid re-loading already loaded relationships. Also fixes issue where wrong
button would be displayed in account lists for unloaded relationships
2017-04-02 22:02:38 +02:00

73 lines
2.0 KiB
JavaScript

import { createSelector } from 'reselect';
import Immutable from 'immutable';
const getStatuses = state => state.get('statuses');
const getAccounts = state => state.get('accounts');
const getAccountBase = (state, id) => state.getIn(['accounts', id], null);
const getAccountRelationship = (state, id) => state.getIn(['relationships', id], null);
export const makeGetAccount = () => {
return createSelector([getAccountBase, getAccountRelationship], (base, relationship) => {
if (base === null) {
return null;
}
return base.set('relationship', relationship);
});
};
export const makeGetStatus = () => {
return createSelector(
[
(state, id) => state.getIn(['statuses', id]),
(state, id) => state.getIn(['statuses', state.getIn(['statuses', id, 'reblog'])]),
(state, id) => state.getIn(['accounts', state.getIn(['statuses', id, 'account'])]),
(state, id) => state.getIn(['accounts', state.getIn(['statuses', state.getIn(['statuses', id, 'reblog']), 'account'])]),
],
(statusBase, statusReblog, accountBase, accountReblog) => {
if (!statusBase) {
return null;
}
if (statusReblog) {
statusReblog = statusReblog.set('account', accountReblog);
} else {
statusReblog = null;
}
return statusBase.withMutations(map => {
map.set('reblog', statusReblog);
map.set('account', accountBase);
});
}
);
};
const getAlertsBase = state => state.get('alerts');
export const getAlerts = createSelector([getAlertsBase], (base) => {
let arr = [];
base.forEach(item => {
arr.push({
message: item.get('message'),
title: item.get('title'),
key: item.get('key'),
dismissAfter: 5000
});
});
return arr;
});
export const makeGetNotification = () => {
return createSelector([
(_, base) => base,
(state, _, accountId) => state.getIn(['accounts', accountId])
], (base, account) => {
return base.set('account', account);
});
};