import { createSelector } from 'reselect'; import { List as ImmutableList, Map as ImmutableMap, is } from 'immutable'; import { me } from '../initial_state'; 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); const getAccountMoved = (state, id) => state.getIn(['accounts', state.getIn(['accounts', id, 'moved'])]); export const makeGetAccount = () => { return createSelector([getAccountBase, getAccountCounters, getAccountRelationship, getAccountMoved], (base, counters, relationship, moved) => { if (base === null) { return null; } return base.merge(counters).withMutations(map => { map.set('relationship', relationship); map.set('moved', moved); }); }); }; const toServerSideType = columnType => { switch (columnType) { case 'home': case 'notifications': case 'public': case 'thread': case 'account': return columnType; default: if (columnType.indexOf('list:') > -1) { return 'home'; } else { return 'public'; // community, account, hashtag } } }; const escapeRegExp = string => string.replace(/[.*+?^${}()|[\]\\]/g, '\\$&'); // $& means the whole matched string const regexFromFilters = filters => { if (filters.size === 0) { return null; } return new RegExp(filters.map(filter => { let expr = escapeRegExp(filter.get('phrase')); if (filter.get('whole_word')) { if (/^[\w]/.test(expr)) { expr = `\\b${expr}`; } if (/[\w]$/.test(expr)) { expr = `${expr}\\b`; } } return expr; }).join('|'), 'i'); }; // Memoize the filter regexps for each valid server contextType const makeGetFiltersRegex = () => { let memo = {}; return (state, { contextType }) => { if (!contextType) return ImmutableList(); const serverSideType = toServerSideType(contextType); const filters = state.get('filters', ImmutableList()).filter(filter => filter.get('context').includes(serverSideType) && (filter.get('expires_at') === null || Date.parse(filter.get('expires_at')) > (new Date()))); if (!memo[serverSideType] || !is(memo[serverSideType].filters, filters)) { const dropRegex = regexFromFilters(filters.filter(filter => filter.get('irreversible'))); const regex = regexFromFilters(filters); memo[serverSideType] = { filters: filters, results: [dropRegex, regex] }; } return memo[serverSideType].results; }; }; export const getFiltersRegex = makeGetFiltersRegex(); 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'])]), getFiltersRegex, ], (statusBase, statusReblog, accountBase, accountReblog, filtersRegex) => { if (!statusBase) { return null; } if (statusReblog) { statusReblog = statusReblog.set('account', accountReblog); } else { statusReblog = null; } const dropRegex = (accountReblog || accountBase).get('id') !== me && filtersRegex[0]; if (dropRegex && dropRegex.test(statusBase.get('reblog') ? statusReblog.get('search_index') : statusBase.get('search_index'))) { return null; } const regex = (accountReblog || accountBase).get('id') !== me && filtersRegex[1]; const filtered = regex && regex.test(statusBase.get('reblog') ? statusReblog.get('search_index') : statusBase.get('search_index')); return statusBase.withMutations(map => { map.set('reblog', statusReblog); map.set('account', accountBase); map.set('filtered', filtered); }); }, ); }; export const makeGetPictureInPicture = () => { return createSelector([ (state, { id }) => state.get('picture_in_picture').statusId === id, (state) => state.getIn(['meta', 'layout']) !== 'mobile', ], (inUse, available) => ImmutableMap({ inUse: inUse && available, available, })); }; const getAlertsBase = state => state.get('alerts'); export const getAlerts = createSelector([getAlertsBase], (base) => { let arr = []; base.forEach(item => { arr.push({ message: item.get('message'), message_values: item.get('message_values'), title: item.get('title'), key: item.get('key'), dismissAfter: 5000, barStyle: { zIndex: 200, }, }); }); return arr; }); export const makeGetNotification = () => { return createSelector([ (_, base) => base, (state, _, accountId) => state.getIn(['accounts', accountId]), ], (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'), (state, id) => state.getIn(['accounts', id]), ], (statusIds, statuses, account) => { let medias = ImmutableList(); statusIds.forEach(statusId => { const status = statuses.get(statusId); medias = medias.concat(status.get('media_attachments').map(media => media.set('status', status).set('account', account))); }); return medias; }); export const getAccountHidden = createSelector([ (state, id) => state.getIn(['accounts', id, 'hidden']), (state, id) => state.getIn(['relationships', id, 'following']) || state.getIn(['relationships', id, 'requested']), (state, id) => id === me, ], (hidden, followingOrRequested, isSelf) => { return hidden && !(isSelf || followingOrRequested); });