diff options
Diffstat (limited to 'app/javascript/flavours/glitch/selectors')
-rw-r--r-- | app/javascript/flavours/glitch/selectors/index.js | 196 |
1 files changed, 196 insertions, 0 deletions
diff --git a/app/javascript/flavours/glitch/selectors/index.js b/app/javascript/flavours/glitch/selectors/index.js new file mode 100644 index 000000000..bb9180d12 --- /dev/null +++ b/app/javascript/flavours/glitch/selectors/index.js @@ -0,0 +1,196 @@ +import escapeTextContentForBrowser from 'escape-html'; +import { createSelector } from 'reselect'; +import { List as ImmutableList, is } from 'immutable'; +import { me } from 'flavours/glitch/util/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); + }); + }); +}; + +export 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, '\\$&'); // $& means the whole matched string + +export const regexFromFilters = filters => { + if (filters.size === 0) { + return null; + } + + return new RegExp(filters.map(filter => { + let expr = escapeRegExp(filter.get('phrase')); + + if (filter.get('whole_word')) { + if (/^[\w]/.test(expr)) { + expr = `\\b${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'])]), + (state, _) => state.getIn(['local_settings', 'filtering_behavior']), + (state, _) => state.get('filters', ImmutableList()), + (_, { contextType }) => contextType, + getFiltersRegex, + ], + + (statusBase, statusReblog, accountBase, accountReblog, filteringBehavior, filters, contextType, filtersRegex) => { + if (!statusBase) { + return 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]; + let filtered = false; + + if (statusReblog) { + filtered = regex && regex.test(statusReblog.get('search_index')); + statusReblog = statusReblog.set('account', accountReblog); + statusReblog = statusReblog.set('filtered', filtered); + } else { + statusReblog = null; + } + + filtered = filtered || regex && regex.test(statusBase.get('search_index')); + + if (filtered && filteringBehavior === 'drop') { + return null; + } else if (filtered && filteringBehavior === 'content_warning') { + let spoilerText = (statusReblog || statusBase).get('spoiler_text', ''); + const searchIndex = (statusReblog || statusBase).get('search_index'); + const serverSideType = toServerSideType(contextType); + const enabledFilters = filters.filter(filter => filter.get('context').includes(serverSideType) && (filter.get('expires_at') === null || Date.parse(filter.get('expires_at')) > (new Date()))).toArray(); + const matchingFilters = enabledFilters.filter(filter => { + const regexp = regexFromFilters([filter]); + return regexp.test(searchIndex) && !regexp.test(spoilerText); + }); + if (statusReblog) { + statusReblog = statusReblog.set('spoiler_text', matchingFilters.map(filter => filter.get('phrase')).concat([spoilerText]).filter(cw => !!cw).join(', ')); + statusReblog = statusReblog.update('spoilerHtml', '', spoilerText => matchingFilters.map(filter => escapeTextContentForBrowser(filter.get('phrase'))).concat([spoilerText]).filter(cw => !!cw).join(', ')); + } else { + statusBase = statusBase.set('spoiler_text', matchingFilters.map(filter => filter.get('phrase')).concat([spoilerText]).filter(cw => !!cw).join(', ')); + statusBase = statusBase.update('spoilerHtml', '', spoilerText => matchingFilters.map(filter => escapeTextContentForBrowser(filter.get('phrase'))).concat([spoilerText]).filter(cw => !!cw).join(', ')); + } + } + + return statusBase.withMutations(map => { + map.set('reblog', statusReblog); + map.set('account', accountBase); + map.set('filtered', filtered); + }); + }, + ); +}; + +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; +}); |