1 files changed, 27 insertions, 60 deletions

diff --git a/app/javascript/mastodon/selectors/index.js b/app/javascript/mastodon/selectors/index.js
index 3121774b3..187e3306d 100644
--- a/app/javascript/mastodon/selectors/index.js
+++ b/app/javascript/mastodon/selectors/index.js
@@ -1,5 +1,5 @@
 import { createSelector } from 'reselect';
-import { List as ImmutableList, Map as ImmutableMap, is } from 'immutable';
+import { List as ImmutableList, Map as ImmutableMap } from 'immutable';
 import { me } from '../initial_state';
 
 const getAccountBase         = (state, id) => state.getIn(['accounts', id], null);
@@ -37,52 +37,15 @@ const toServerSideType = columnType => {
   }
 };
 
-const escapeRegExp = string =>
-  string.replace(/[.*+?^${}()|[\]\\]/g, '\\$&'); // $& means the whole matched string
+const getFilters = (state, { contextType }) => {
+  if (!contextType) return null;
 
-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 = {};
+  const serverSideType = toServerSideType(contextType);
+  const now = new Date();
 
-  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;
-  };
+  return state.get('filters').filter((filter) => filter.get('context').includes(serverSideType) && (filter.get('expires_at') === null || filter.get('expires_at') > now));
 };
 
-export const getFiltersRegex = makeGetFiltersRegex();
-
 export const makeGetStatus = () => {
   return createSelector(
     [
@@ -90,10 +53,10 @@ export const makeGetStatus = () => {
       (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,
+      getFilters,
     ],
 
-    (statusBase, statusReblog, accountBase, accountReblog, filtersRegex) => {
+    (statusBase, statusReblog, accountBase, accountReblog, filters) => {
       if (!statusBase) {
         return null;
       }
@@ -104,18 +67,21 @@ export const makeGetStatus = () => {
         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;
+      let filtered = false;
+      if ((accountReblog || accountBase).get('id') !== me && filters) {
+        let filterResults = statusReblog?.get('filtered') || statusBase.get('filtered') || ImmutableList();
+        if (filterResults.some((result) => filters.getIn([result.get('filter'), 'filter_action']) === 'hide')) {
+          return null;
+        }
+        if (!filterResults.isEmpty()) {
+          filtered = filterResults.map(result => filters.getIn([result.get('filter'), 'title']));
+        }
       }
 
-      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);
+        map.set('matched_filters', filtered);
       });
     },
   );
@@ -152,14 +118,15 @@ export const getAlerts = createSelector([getAlertsBase], (base) => {
   return arr;
 });
 
-export const makeGetNotification = () => {
-  return createSelector([
-    (_, base)             => base,
-    (state, _, accountId) => state.getIn(['accounts', accountId]),
-  ], (base, account) => {
-    return base.set('account', account);
-  });
-};
+export const makeGetNotification = () => createSelector([
+  (_, base)             => base,
+  (state, _, accountId) => state.getIn(['accounts', accountId]),
+], (base, account) => base.set('account', account));
+
+export const makeGetReport = () => createSelector([
+  (_, base) => base,
+  (state, _, targetAccountId) => state.getIn(['accounts', targetAccountId]),
+], (base, targetAccount) => base.set('target_account', targetAccount));
 
 export const getAccountGallery = createSelector([
   (state, id) => state.getIn(['timelines', `account:${id}:media`, 'items'], ImmutableList()),