vt-social/app/javascript/mastodon/selectors/index.js

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import { createSelector } from 'reselect';
import { List as ImmutableList } from 'immutable';
const getAccountBase = (state, id) => state.getIn(['accounts', id], null);
const getAccountCounters = (state, id) => state.getIn(['accounts_counters', id], null);
const getAccountRelationship = (state, id) => state.getIn(['relationships', id], null);
export const makeGetAccount = () => {
return createSelector([getAccountBase, getAccountCounters, getAccountRelationship], (base, counters, relationship) => {
if (base === null) {
return null;
}
return base.merge(counters).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);
});
}
);
};
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const getAlertsBase = state => state.get('alerts');
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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,
barStyle: {
zIndex: 200,
},
});
});
return arr;
});
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export const makeGetNotification = () => {
return createSelector([
(_, base) => base,
(state, _, accountId) => state.getIn(['accounts', accountId]),
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], (base, account) => {
return base.set('account', account);
});
};
export const getAccountGallery = createSelector([
(state, id) => state.getIn(['timelines', `account:${id}:media`, 'items'], ImmutableList()),
state => state.get('statuses'),
], (statusIds, statuses) => {
let medias = ImmutableList();
statusIds.forEach(statusId => {
const status = statuses.get(statusId);
medias = medias.concat(status.get('media_attachments').map(media => media.set('status', status)));
});
return medias;
});