Fixed #118

src/components/Timeline/Default.tsx

@@ -10,14 +10,16 @@ import TimelinePoll from '@components/Timeline/Shared/Poll'
 import { useNavigation } from '@react-navigation/native'
 import { StackNavigationProp } from '@react-navigation/stack'
 import { QueryKeyTimeline } from '@utils/queryHooks/timeline'
-import { getInstanceAccount } from '@utils/slices/instancesSlice'
+import { getInstance, getInstanceAccount } from '@utils/slices/instancesSlice'
 import { StyleConstants } from '@utils/styles/constants'
 import { useTheme } from '@utils/styles/ThemeManager'
+import htmlparser2 from 'htmlparser2-without-node-native'
 import { uniqBy } from 'lodash'
 import React, { useCallback } from 'react'
 import { Pressable, StyleSheet, View } from 'react-native'
 import { useSelector } from 'react-redux'
 import TimelineActionsUsers from './Shared/ActionsUsers'
+import TimelineFiltered, { shouldFilter } from './Shared/Filtered'
 import TimelineFullConversation from './Shared/FullConversation'
 import TimelineTranslate from './Shared/Translate'
 
@@ -49,6 +51,16 @@ const TimelineDefault: React.FC<Props> = ({
 
   let actualStatus = item.reblog ? item.reblog : item
 
+  const ownAccount = actualStatus.account.id === instanceAccount?.id
+
+  if (
+    !highlighted &&
+    queryKey &&
+    shouldFilter({ status: actualStatus, queryKey })
+  ) {
+    return <TimelineFiltered />
+  }
+
   const onPress = useCallback(() => {
     analytics('timeline_default_press', {
       page: queryKey ? queryKey[1].page : origin
@@ -118,7 +130,7 @@ const TimelineDefault: React.FC<Props> = ({
             statusId={actualStatus.id}
             poll={actualStatus.poll}
             reblog={item.reblog ? true : false}
-            sameAccount={actualStatus.account.id === instanceAccount?.id}
+            sameAccount={ownAccount}
           />
         ) : null}
         {!disableDetails &&

src/components/Timeline/Notifications.tsx

@@ -17,6 +17,7 @@ import { uniqBy } from 'lodash'
 import React, { useCallback } from 'react'
 import { Pressable, StyleSheet, View } from 'react-native'
 import { useSelector } from 'react-redux'
+import TimelineFiltered, { shouldFilter } from './Shared/Filtered'
 import TimelineFullConversation from './Shared/FullConversation'
 
 export interface Props {
@@ -30,6 +31,13 @@ const TimelineNotifications: React.FC<Props> = ({
   queryKey,
   highlighted = false
 }) => {
+  if (
+    notification.status &&
+    shouldFilter({ status: notification.status, queryKey })
+  ) {
+    return <TimelineFiltered />
+  }
+
   const { theme } = useTheme()
   const instanceAccount = useSelector(
     getInstanceAccount,
@@ -38,6 +46,7 @@ const TimelineNotifications: React.FC<Props> = ({
   const navigation = useNavigation<
     StackNavigationProp<Nav.TabLocalStackParamList>
   >()
+
   const actualAccount = notification.status
     ? notification.status.account
     : notification.account

src/components/Timeline/Shared/Filtered.tsx

@@ -0,0 +1,105 @@
+import { store } from '@root/store'
+import { QueryKeyTimeline } from '@utils/queryHooks/timeline'
+import { getInstance, getInstanceAccount } from '@utils/slices/instancesSlice'
+import { StyleConstants } from '@utils/styles/constants'
+import { useTheme } from '@utils/styles/ThemeManager'
+import htmlparser2 from 'htmlparser2-without-node-native'
+import React from 'react'
+import { useTranslation } from 'react-i18next'
+import { Text, View } from 'react-native'
+
+const TimelineFiltered = React.memo(
+  () => {
+    const { theme } = useTheme()
+    const { t } = useTranslation('componentTimeline')
+
+    return (
+      <View style={{ backgroundColor: theme.backgroundDefault }}>
+        <Text
+          style={{
+            ...StyleConstants.FontStyle.S,
+            color: theme.secondary,
+            textAlign: 'center',
+            paddingVertical: StyleConstants.Spacing.S,
+            paddingLeft: StyleConstants.Avatar.M + StyleConstants.Spacing.S
+          }}
+        >
+          {t('shared.filtered')}
+        </Text>
+      </View>
+    )
+  },
+  () => true
+)
+
+export const shouldFilter = ({
+  status,
+  queryKey
+}: {
+  status: Mastodon.Status
+  queryKey: QueryKeyTimeline
+}) => {
+  const instance = getInstance(store.getState())
+  const ownAccount =
+    getInstanceAccount(store.getState())?.id === status.account.id
+
+  let shouldFilter = false
+  if (queryKey && !ownAccount) {
+    const parser = new htmlparser2.Parser({
+      ontext (text: string) {
+        const checkFilter = (filter: Mastodon.Filter) => {
+          switch (filter.whole_word) {
+            case true:
+              if (new RegExp('\\b' + filter.phrase + '\\b').test(text)) {
+                shouldFilter = true
+              }
+              break
+            case false:
+              if (new RegExp(filter.phrase).test(text)) {
+                shouldFilter = true
+              }
+              break
+          }
+        }
+        instance?.filters.forEach(filter => {
+          if (filter.expires_at) {
+            if (new Date().getTime() > new Date(filter.expires_at).getTime()) {
+              return
+            }
+          }
+
+          switch (queryKey[1].page) {
+            case 'Following':
+            case 'Local':
+            case 'List':
+            case 'Account_Default':
+              if (filter.context.includes('home')) {
+                checkFilter(filter)
+              }
+              break
+            case 'Notifications':
+              if (filter.context.includes('notifications')) {
+                checkFilter(filter)
+              }
+              break
+            case 'LocalPublic':
+              if (filter.context.includes('public')) {
+                checkFilter(filter)
+              }
+              break
+            case 'Toot':
+              if (filter.context.includes('thread')) {
+                checkFilter(filter)
+              }
+          }
+        })
+      }
+    })
+    parser.write(status.content)
+    parser.end()
+  }
+
+  return shouldFilter
+}
+
+export default TimelineFiltered