Implement feature to add filtered phrases to content warnings

1 files changed, 20 insertions, 1 deletions

diff --git a/app/javascript/flavours/glitch/selectors/index.js b/app/javascript/flavours/glitch/selectors/index.js
index 551a3ae31..b414cd5e5 100644
--- a/app/javascript/flavours/glitch/selectors/index.js
+++ b/app/javascript/flavours/glitch/selectors/index.js
@@ -1,3 +1,4 @@
+import escapeTextContentForBrowser from 'escape-html';
 import { createSelector } from 'reselect';
 import { List as ImmutableList, is } from 'immutable';
 import { me } from 'flavours/glitch/util/initial_state';
@@ -90,10 +91,12 @@ export const makeGetStatus = () => {
       (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, filtersRegex) => {
+    (statusBase, statusReblog, accountBase, accountReblog, filteringBehavior, filters, contextType, filtersRegex) => {
       if (!statusBase) {
         return null;
       }
@@ -119,6 +122,22 @@ export const makeGetStatus = () => {
 
       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 => {