Merge pull request #1829 from ClearlyClaire/glitch-soc/merge-upstream

Port UI filter changes from upstream

24 files changed, 684 insertions, 230 deletions

diff --git a/app/javascript/flavours/glitch/actions/filters.js b/app/javascript/flavours/glitch/actions/filters.js
index 050b30322..9aa31028a 100644
--- a/app/javascript/flavours/glitch/actions/filters.js
+++ b/app/javascript/flavours/glitch/actions/filters.js
@@ -1,9 +1,24 @@
 import api from 'flavours/glitch/util/api';
+import { openModal } from './modal';
 
 export const FILTERS_FETCH_REQUEST = 'FILTERS_FETCH_REQUEST';
 export const FILTERS_FETCH_SUCCESS = 'FILTERS_FETCH_SUCCESS';
 export const FILTERS_FETCH_FAIL    = 'FILTERS_FETCH_FAIL';
 
+export const FILTERS_STATUS_CREATE_REQUEST = 'FILTERS_STATUS_CREATE_REQUEST';
+export const FILTERS_STATUS_CREATE_SUCCESS = 'FILTERS_STATUS_CREATE_SUCCESS';
+export const FILTERS_STATUS_CREATE_FAIL    = 'FILTERS_STATUS_CREATE_FAIL';
+
+export const FILTERS_CREATE_REQUEST = 'FILTERS_CREATE_REQUEST';
+export const FILTERS_CREATE_SUCCESS = 'FILTERS_CREATE_SUCCESS';
+export const FILTERS_CREATE_FAIL    = 'FILTERS_CREATE_FAIL';
+
+export const initAddFilter = (status, { contextType }) => dispatch =>
+  dispatch(openModal('FILTER', {
+    statusId: status?.get('id'),
+    contextType: contextType,
+  }));
+
 export const fetchFilters = () => (dispatch, getState) => {
   dispatch({
     type: FILTERS_FETCH_REQUEST,
@@ -11,7 +26,7 @@ export const fetchFilters = () => (dispatch, getState) => {
   });
 
   api(getState)
-    .get('/api/v1/filters')
+    .get('/api/v2/filters')
     .then(({ data }) => dispatch({
       type: FILTERS_FETCH_SUCCESS,
       filters: data,
@@ -24,3 +39,55 @@ export const fetchFilters = () => (dispatch, getState) => {
       skipAlert: true,
     }));
 };
+
+export const createFilterStatus = (params, onSuccess, onFail) => (dispatch, getState) => {
+  dispatch(createFilterStatusRequest());
+
+  api(getState).post(`/api/v1/filters/${params.filter_id}/statuses`, params).then(response => {
+    dispatch(createFilterStatusSuccess(response.data));
+    if (onSuccess) onSuccess();
+  }).catch(error => {
+    dispatch(createFilterStatusFail(error));
+    if (onFail) onFail();
+  });
+};
+
+export const createFilterStatusRequest = () => ({
+  type: FILTERS_STATUS_CREATE_REQUEST,
+});
+
+export const createFilterStatusSuccess = filter_status => ({
+  type: FILTERS_STATUS_CREATE_SUCCESS,
+  filter_status,
+});
+
+export const createFilterStatusFail = error => ({
+  type: FILTERS_STATUS_CREATE_FAIL,
+  error,
+});
+
+export const createFilter = (params, onSuccess, onFail) => (dispatch, getState) => {
+  dispatch(createFilterRequest());
+
+  api(getState).post('/api/v2/filters', params).then(response => {
+    dispatch(createFilterSuccess(response.data));
+    if (onSuccess) onSuccess(response.data);
+  }).catch(error => {
+    dispatch(createFilterFail(error));
+    if (onFail) onFail();
+  });
+};
+
+export const createFilterRequest = () => ({
+  type: FILTERS_CREATE_REQUEST,
+});
+
+export const createFilterSuccess = filter => ({
+  type: FILTERS_CREATE_SUCCESS,
+  filter,
+});
+
+export const createFilterFail = error => ({
+  type: FILTERS_CREATE_FAIL,
+  error,
+});
diff --git a/app/javascript/flavours/glitch/actions/importer/index.js b/app/javascript/flavours/glitch/actions/importer/index.js
index ec41fea6e..94d133b5f 100644
--- a/app/javascript/flavours/glitch/actions/importer/index.js
+++ b/app/javascript/flavours/glitch/actions/importer/index.js
@@ -5,6 +5,7 @@ export const ACCOUNTS_IMPORT = 'ACCOUNTS_IMPORT';
 export const STATUS_IMPORT   = 'STATUS_IMPORT';
 export const STATUSES_IMPORT = 'STATUSES_IMPORT';
 export const POLLS_IMPORT    = 'POLLS_IMPORT';
+export const FILTERS_IMPORT  = 'FILTERS_IMPORT';
 
 function pushUnique(array, object) {
   if (array.every(element => element.id !== object.id)) {
@@ -28,6 +29,10 @@ export function importStatuses(statuses) {
   return { type: STATUSES_IMPORT, statuses };
 }
 
+export function importFilters(filters) {
+  return { type: FILTERS_IMPORT, filters };
+}
+
 export function importPolls(polls) {
   return { type: POLLS_IMPORT, polls };
 }
@@ -61,11 +66,16 @@ export function importFetchedStatuses(statuses) {
     const accounts = [];
     const normalStatuses = [];
     const polls = [];
+    const filters = [];
 
     function processStatus(status) {
       pushUnique(normalStatuses, normalizeStatus(status, getState().getIn(['statuses', status.id]), getState().get('local_settings')));
       pushUnique(accounts, status.account);
 
+      if (status.filtered) {
+        status.filtered.forEach(result => pushUnique(filters, result.filter));
+      }
+
       if (status.reblog && status.reblog.id) {
         processStatus(status.reblog);
       }
@@ -80,6 +90,7 @@ export function importFetchedStatuses(statuses) {
     dispatch(importPolls(polls));
     dispatch(importFetchedAccounts(accounts));
     dispatch(importStatuses(normalStatuses));
+    dispatch(importFilters(filters));
   };
 }
 
diff --git a/app/javascript/flavours/glitch/actions/importer/normalizer.js b/app/javascript/flavours/glitch/actions/importer/normalizer.js
index c6acdbdbb..9950a720b 100644
--- a/app/javascript/flavours/glitch/actions/importer/normalizer.js
+++ b/app/javascript/flavours/glitch/actions/importer/normalizer.js
@@ -42,6 +42,14 @@ export function normalizeAccount(account) {
   return account;
 }
 
+export function normalizeFilterResult(result) {
+  const normalResult = { ...result };
+
+  normalResult.filter = normalResult.filter.id;
+
+  return normalResult;
+}
+
 export function normalizeStatus(status, normalOldStatus, settings) {
   const normalStatus   = { ...status };
   normalStatus.account = status.account.id;
@@ -54,6 +62,10 @@ export function normalizeStatus(status, normalOldStatus, settings) {
     normalStatus.poll = status.poll.id;
   }
 
+  if (status.filtered) {
+    normalStatus.filtered = status.filtered.map(normalizeFilterResult);
+  }
+
   // Only calculate these values when status first encountered and
   // when the underlying values change. Otherwise keep the ones
   // already in the reducer
diff --git a/app/javascript/flavours/glitch/actions/notifications.js b/app/javascript/flavours/glitch/actions/notifications.js
index 63c1fe038..ae3ee1a4c 100644
--- a/app/javascript/flavours/glitch/actions/notifications.js
+++ b/app/javascript/flavours/glitch/actions/notifications.js
@@ -12,10 +12,8 @@ import { saveSettings } from './settings';
 import { defineMessages } from 'react-intl';
 import { List as ImmutableList } from 'immutable';
 import { unescapeHTML } from 'flavours/glitch/util/html';
-import { getFiltersRegex } from 'flavours/glitch/selectors';
 import { usePendingItems as preferPendingItems } from 'flavours/glitch/util/initial_state';
 import compareId from 'flavours/glitch/util/compare_id';
-import { searchTextFromRawStatus } from 'flavours/glitch/actions/importer/normalizer';
 import { requestNotificationPermission } from 'flavours/glitch/util/notifications';
 
 export const NOTIFICATIONS_UPDATE = 'NOTIFICATIONS_UPDATE';
@@ -74,20 +72,17 @@ export function updateNotifications(notification, intlMessages, intlLocale) {
     const showInColumn = activeFilter === 'all' ? getState().getIn(['settings', 'notifications', 'shows', notification.type], true) : activeFilter === notification.type;
     const showAlert    = getState().getIn(['settings', 'notifications', 'alerts', notification.type], true);
     const playSound    = getState().getIn(['settings', 'notifications', 'sounds', notification.type], true);
-    const filters      = getFiltersRegex(getState(), { contextType: 'notifications' });
 
     let filtered = false;
 
-    if (['mention', 'status'].includes(notification.type)) {
-      const dropRegex   = filters[0];
-      const regex       = filters[1];
-      const searchIndex = searchTextFromRawStatus(notification.status);
+    if (['mention', 'status'].includes(notification.type) && notification.status.filtered) {
+      const filters = notification.status.filtered.filter(result => result.filter.context.includes('notifications'));
 
-      if (dropRegex && dropRegex.test(searchIndex)) {
+      if (filters.some(result => result.filter.filter_action === 'hide')) {
         return;
       }
 
-      filtered = regex && regex.test(searchIndex);
+      filtered = filters.length > 0;
     }
 
     if (['follow_request'].includes(notification.type)) {
diff --git a/app/javascript/flavours/glitch/actions/statuses.js b/app/javascript/flavours/glitch/actions/statuses.js
index 1f223f22e..58c1d44a6 100644
--- a/app/javascript/flavours/glitch/actions/statuses.js
+++ b/app/javascript/flavours/glitch/actions/statuses.js
@@ -42,9 +42,9 @@ export function fetchStatusRequest(id, skipLoading) {
   };
 };
 
-export function fetchStatus(id) {
+export function fetchStatus(id, forceFetch = false) {
   return (dispatch, getState) => {
-    const skipLoading = getState().getIn(['statuses', id], null) !== null;
+    const skipLoading = !forceFetch && getState().getIn(['statuses', id], null) !== null;
 
     dispatch(fetchContext(id));
 
diff --git a/app/javascript/flavours/glitch/actions/streaming.js b/app/javascript/flavours/glitch/actions/streaming.js
index 90d6a0231..375728cb5 100644
--- a/app/javascript/flavours/glitch/actions/streaming.js
+++ b/app/javascript/flavours/glitch/actions/streaming.js
@@ -21,7 +21,6 @@ import {
   updateReaction as updateAnnouncementsReaction,
   deleteAnnouncement,
 } from './announcements';
-import { fetchFilters } from './filters';
 import { getLocale } from 'mastodon/locales';
 
 const { messages } = getLocale();
@@ -97,9 +96,6 @@ export const connectTimelineStream = (timelineId, channelName, params = {}, opti
         case 'conversation':
           dispatch(updateConversations(JSON.parse(data.payload)));
           break;
-        case 'filters_changed':
-          dispatch(fetchFilters());
-          break;
         case 'announcement':
           dispatch(updateAnnouncements(JSON.parse(data.payload)));
           break;
diff --git a/app/javascript/flavours/glitch/actions/timelines.js b/app/javascript/flavours/glitch/actions/timelines.js
index 0b36d8ac3..0d6f844b3 100644
--- a/app/javascript/flavours/glitch/actions/timelines.js
+++ b/app/javascript/flavours/glitch/actions/timelines.js
@@ -4,8 +4,7 @@ import api, { getLinks } from 'flavours/glitch/util/api';
 import { Map as ImmutableMap, List as ImmutableList } from 'immutable';
 import compareId from 'flavours/glitch/util/compare_id';
 import { me, usePendingItems as preferPendingItems } from 'flavours/glitch/util/initial_state';
-import { getFiltersRegex } from 'flavours/glitch/selectors';
-import { searchTextFromRawStatus } from 'flavours/glitch/actions/importer/normalizer';
+import { toServerSideType } from 'flavours/glitch/util/filters';
 
 export const TIMELINE_UPDATE  = 'TIMELINE_UPDATE';
 export const TIMELINE_DELETE  = 'TIMELINE_DELETE';
@@ -40,14 +39,13 @@ export function updateTimeline(timeline, status, accept) {
       return;
     }
 
-    const filters   = getFiltersRegex(getState(), { contextType: timeline });
-    const dropRegex = filters[0];
-    const regex     = filters[1];
-    const text      = searchTextFromRawStatus(status);
-    let filtered    = false;
+    let filtered = false;
 
-    if (status.account.id !== me) {
-      filtered = (dropRegex && dropRegex.test(text)) || (regex && regex.test(text));
+    if (status.filtered) {
+      const contextType = toServerSideType(timeline);
+      const filters = status.filtered.filter(result => result.filter.context.includes(contextType));
+
+      filtered = filters.length > 0;
     }
 
     dispatch(importFetchedStatus(status));
diff --git a/app/javascript/flavours/glitch/components/status.js b/app/javascript/flavours/glitch/components/status.js
index b2d9acebc..e238456c5 100644
--- a/app/javascript/flavours/glitch/components/status.js
+++ b/app/javascript/flavours/glitch/components/status.js
@@ -79,6 +79,7 @@ class Status extends ImmutablePureComponent {
     onOpenMedia: PropTypes.func,
     onOpenVideo: PropTypes.func,
     onBlock: PropTypes.func,
+    onAddFilter: PropTypes.func,
     onEmbed: PropTypes.func,
     onHeightChange: PropTypes.func,
     onToggleHidden: PropTypes.func,
@@ -455,8 +456,8 @@ class Status extends ImmutablePureComponent {
   }
 
   handleUnfilterClick = e => {
-    const { onUnfilter, status } = this.props;
-    onUnfilter(status.get('reblog') ? status.get('reblog') : status, () => this.setState({ forceFilter: false }));
+    this.setState({ forceFilter: false });
+    e.preventDefault();
   }
 
   handleFilterClick = () => {
@@ -557,8 +558,8 @@ class Status extends ImmutablePureComponent {
       );
     }
 
-    const filtered = (status.get('filtered') || status.getIn(['reblog', 'filtered'])) && settings.get('filtering_behavior') !== 'content_warning';
-    if (forceFilter === undefined ? filtered : forceFilter) {
+    const matchedFilters = status.get('matched_filters');
+    if (this.state.forceFilter === undefined ? matchedFilters : this.state.forceFilter) {
       const minHandlers = this.props.muted ? {} : {
         moveUp: this.handleHotkeyMoveUp,
         moveDown: this.handleHotkeyMoveDown,
@@ -567,13 +568,11 @@ class Status extends ImmutablePureComponent {
       return (
         <HotKeys handlers={minHandlers}>
           <div className='status__wrapper status__wrapper--filtered focusable' tabIndex='0' ref={this.handleRef}>
-            <FormattedMessage id='status.filtered' defaultMessage='Filtered' />
-            {settings.get('filtering_behavior') !== 'upstream' && ' '}
-            {settings.get('filtering_behavior') !== 'upstream' && (
-              <button className='status__wrapper--filtered__button' onClick={this.handleUnfilterClick}>
-                <FormattedMessage id='status.show_filter_reason' defaultMessage='(show why)' />
-              </button>
-            )}
+            <FormattedMessage id='status.filtered' defaultMessage='Filtered' />: {matchedFilters.join(', ')}.
+            {' '}
+            <button className='status__wrapper--filtered__button' onClick={this.handleUnfilterClick}>
+              <FormattedMessage id='status.show_filter_reason' defaultMessage='Show anyway' />
+            </button>
           </div>
         </HotKeys>
       );
@@ -789,11 +788,11 @@ class Status extends ImmutablePureComponent {
 
           {!isCollapsed || !(muted || !settings.getIn(['collapsed', 'show_action_bar'])) ? (
             <StatusActionBar
-              {...other}
               status={status}
               account={status.get('account')}
               showReplyCount={settings.get('show_reply_count')}
-              onFilter={this.handleFilterClick}
+              onFilter={matchedFilters ? this.handleFilterClick : null}
+              {...other}
             />
           ) : null}
           {notification ? (
diff --git a/app/javascript/flavours/glitch/components/status_action_bar.js b/app/javascript/flavours/glitch/components/status_action_bar.js
index 667afac5a..c0cd496ce 100644
--- a/app/javascript/flavours/glitch/components/status_action_bar.js
+++ b/app/javascript/flavours/glitch/components/status_action_bar.js
@@ -41,6 +41,7 @@ const messages = defineMessages({
   copy: { id: 'status.copy', defaultMessage: 'Copy link to status' },
   hide: { id: 'status.hide', defaultMessage: 'Hide toot' },
   edited: { id: 'status.edited', defaultMessage: 'Edited {date}' },
+  filter: { id: 'status.filter', defaultMessage: 'Filter this post' },
 });
 
 export default @injectIntl
@@ -67,6 +68,7 @@ class StatusActionBar extends ImmutablePureComponent {
     onPin: PropTypes.func,
     onBookmark: PropTypes.func,
     onFilter: PropTypes.func,
+    onAddFilter: PropTypes.func,
     withDismiss: PropTypes.bool,
     showReplyCount: PropTypes.bool,
     scrollKey: PropTypes.string,
@@ -193,10 +195,14 @@ class StatusActionBar extends ImmutablePureComponent {
     }
   }
 
-  handleFilterClick = () => {
+  handleHideClick = () => {
     this.props.onFilter();
   }
 
+  handleFilterClick = () => {
+    this.props.onAddFilter(this.props.status);
+  }
+
   render () {
     const { status, intl, withDismiss, showReplyCount, scrollKey } = this.props;
 
@@ -238,6 +244,12 @@ class StatusActionBar extends ImmutablePureComponent {
       menu.push({ text: intl.formatMessage(messages.mention, { name: status.getIn(['account', 'username']) }), action: this.handleMentionClick });
       menu.push({ text: intl.formatMessage(messages.direct, { name: status.getIn(['account', 'username']) }), action: this.handleDirectClick });
       menu.push(null);
+
+      if (!this.props.onFilter) {
+        menu.push({ text: intl.formatMessage(messages.filter), action: this.handleFilterClick });
+        menu.push(null);
+      }
+
       menu.push({ text: intl.formatMessage(messages.mute, { name: status.getIn(['account', 'username']) }), action: this.handleMuteClick });
       menu.push({ text: intl.formatMessage(messages.block, { name: status.getIn(['account', 'username']) }), action: this.handleBlockClick });
       menu.push({ text: intl.formatMessage(messages.report, { name: status.getIn(['account', 'username']) }), action: this.handleReport });
@@ -271,10 +283,6 @@ class StatusActionBar extends ImmutablePureComponent {
       <IconButton className='status__action-bar-button' title={intl.formatMessage(messages.share)} icon='share-alt' onClick={this.handleShareClick} />
     );
 
-    const filterButton = status.get('filtered') && (
-      <IconButton className='status__action-bar-button' title={intl.formatMessage(messages.hide)} icon='eye' onClick={this.handleFilterClick} />
-    );
-
     let replyButton = (
       <IconButton
         className='status__action-bar-button'
@@ -309,6 +317,10 @@ class StatusActionBar extends ImmutablePureComponent {
       reblogTitle = intl.formatMessage(messages.cannot_reblog);
     }
 
+    const filterButton = this.props.onFilter && (
+      <IconButton className='status__action-bar-button' title={intl.formatMessage(messages.hide)} icon='eye' onClick={this.handleHideClick} />
+    );
+
     return (
       <div className='status__action-bar'>
         {replyButton}
@@ -316,6 +328,7 @@ class StatusActionBar extends ImmutablePureComponent {
         <IconButton className='status__action-bar-button star-icon' animate active={status.get('favourited')} pressed={status.get('favourited')} title={intl.formatMessage(messages.favourite)} icon='star' onClick={this.handleFavouriteClick} />
         {shareButton}
         <IconButton className='status__action-bar-button bookmark-icon' disabled={anonymousAccess} active={status.get('bookmarked')} pressed={status.get('bookmarked')} title={intl.formatMessage(messages.bookmark)} icon='bookmark' onClick={this.handleBookmarkClick} />
+
         {filterButton}
 
         <div className='status__action-bar-dropdown'>
diff --git a/app/javascript/flavours/glitch/containers/status_container.js b/app/javascript/flavours/glitch/containers/status_container.js
index 6c8f261e4..0ba2e712c 100644
--- a/app/javascript/flavours/glitch/containers/status_container.js
+++ b/app/javascript/flavours/glitch/containers/status_container.js
@@ -1,7 +1,7 @@
 import { connect } from 'react-redux';
 import Status from 'flavours/glitch/components/status';
 import { List as ImmutableList } from 'immutable';
-import { makeGetStatus, regexFromFilters, toServerSideType } from 'flavours/glitch/selectors';
+import { makeGetStatus } from 'flavours/glitch/selectors';
 import {
   replyCompose,
   mentionCompose,
@@ -25,6 +25,9 @@ import {
   revealStatus,
   editStatus
 } from 'flavours/glitch/actions/statuses';
+import {
+  initAddFilter,
+} from 'flavours/glitch/actions/filters';
 import { initMuteModal } from 'flavours/glitch/actions/mutes';
 import { initBlockModal } from 'flavours/glitch/actions/blocks';
 import { initReport } from 'flavours/glitch/actions/reports';
@@ -201,52 +204,14 @@ const mapDispatchToProps = (dispatch, { intl, contextType }) => ({
     dispatch(initBlockModal(account));
   },
 
-  onUnfilter (status, onConfirm) {
-    dispatch((_, getState) => {
-      let state = getState();
-      const serverSideType = toServerSideType(contextType);
-      const enabledFilters = state.get('filters', ImmutableList()).filter(filter => filter.get('context').includes(serverSideType) && (filter.get('expires_at') === null || Date.parse(filter.get('expires_at')) > (new Date()))).toArray();
-      const searchIndex = status.get('search_index');
-      const matchingFilters = enabledFilters.filter(filter => regexFromFilters([filter]).test(searchIndex));
-      dispatch(openModal('CONFIRM', {
-        message: [
-          <FormattedMessage id='confirmations.unfilter' defaultMessage='Information about this filtered toot' />,
-          <div className='filtered-status-info'>
-            <Spoilers spoilerText={intl.formatMessage(messages.author)}>
-              <AccountContainer id={status.getIn(['account', 'id'])} />
-            </Spoilers>
-            <Spoilers spoilerText={intl.formatMessage(messages.matchingFilters, {count: matchingFilters.size})}>
-              <ul>
-                {matchingFilters.map(filter => (
-                  <li>
-                    {filter.get('phrase')}
-                    {!!filterEditLink && ' '}
-                    {!!filterEditLink && (
-                      <a
-                        target='_blank'
-                        className='filtered-status-edit-link'
-                        title={intl.formatMessage(messages.editFilter)}
-                        href={filterEditLink(filter.get('id'))}
-                      >
-                        <Icon id='pencil' />
-                      </a>
-                    )}
-                  </li>
-                ))}
-              </ul>
-            </Spoilers>
-          </div>
-        ],
-        confirm: intl.formatMessage(messages.unfilterConfirm),
-        onConfirm: onConfirm,
-      }));
-    });
-  },
-
   onReport (status) {
     dispatch(initReport(status.get('account'), status));
   },
 
+  onAddFilter (status) {
+    dispatch(initAddFilter(status, { contextType }));
+  },
+
   onMute (account) {
     dispatch(initMuteModal(account));
   },
diff --git a/app/javascript/flavours/glitch/features/compose/components/language_dropdown.js b/app/javascript/flavours/glitch/features/compose/components/language_dropdown.js
index c8c503e58..035b0c0c3 100644
--- a/app/javascript/flavours/glitch/features/compose/components/language_dropdown.js
+++ b/app/javascript/flavours/glitch/features/compose/components/language_dropdown.js
@@ -8,6 +8,7 @@ import spring from 'react-motion/lib/spring';
 import { supportsPassiveEvents } from 'detect-passive-events';
 import classNames from 'classnames';
 import { languages as preloadedLanguages } from 'flavours/glitch/util/initial_state';
+import { loupeIcon, deleteIcon } from 'flavours/glitch/util/icons';
 import fuzzysort from 'fuzzysort';
 
 const messages = defineMessages({
@@ -16,22 +17,6 @@ const messages = defineMessages({
   clear: { id: 'emoji_button.clear', defaultMessage: 'Clear' },
 });
 
-// Copied from emoji-mart for consistency with emoji picker and since
-// they don't export the icons in the package
-const icons = {
-  loupe: (
-    <svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20' width='13' height='13'>
-      <path d='M12.9 14.32a8 8 0 1 1 1.41-1.41l5.35 5.33-1.42 1.42-5.33-5.34zM8 14A6 6 0 1 0 8 2a6 6 0 0 0 0 12z' />
-    </svg>
-  ),
-
-  delete: (
-    <svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20' width='13' height='13'>
-      <path d='M10 8.586L2.929 1.515 1.515 2.929 8.586 10l-7.071 7.071 1.414 1.414L10 11.414l7.071 7.071 1.414-1.414L11.414 10l7.071-7.071-1.414-1.414L10 8.586z' />
-    </svg>
-  ),
-};
-
 const listenerOptions = supportsPassiveEvents ? { passive: true } : false;
 
 class LanguageDropdownMenu extends React.PureComponent {
@@ -242,7 +227,7 @@ class LanguageDropdownMenu extends React.PureComponent {
           <div className={`language-dropdown__dropdown ${placement}`} style={{ ...style, opacity: opacity, transform: mounted ? `scale(${scaleX}, ${scaleY})` : null }} ref={this.setRef}>
             <div className='emoji-mart-search'>
               <input type='search' value={searchValue} onChange={this.handleSearchChange} onKeyDown={this.handleSearchKeyDown} placeholder={intl.formatMessage(messages.search)} autoFocus />
-              <button className='emoji-mart-search-icon' disabled={!isSearching} aria-label={intl.formatMessage(messages.clear)} onClick={this.handleClear}>{!isSearching ? icons.loupe : icons.delete}</button>
+              <button className='emoji-mart-search-icon' disabled={!isSearching} aria-label={intl.formatMessage(messages.clear)} onClick={this.handleClear}>{!isSearching ? loupeIcon : deleteIcon}</button>
             </div>
 
             <div className='language-dropdown__dropdown__results emoji-mart-scroll' role='listbox' ref={this.setListRef}>
diff --git a/app/javascript/flavours/glitch/features/filters/added_to_filter.js b/app/javascript/flavours/glitch/features/filters/added_to_filter.js
new file mode 100644
index 000000000..f777ca429
--- /dev/null
+++ b/app/javascript/flavours/glitch/features/filters/added_to_filter.js
@@ -0,0 +1,102 @@
+import React from 'react';
+import PropTypes from 'prop-types';
+import ImmutablePropTypes from 'react-immutable-proptypes';
+import { FormattedMessage } from 'react-intl';
+import { toServerSideType } from 'flavours/glitch/util/filters';
+import Button from 'flavours/glitch/components/button';
+import { connect } from 'react-redux';
+
+const mapStateToProps = (state, { filterId }) => ({
+  filter: state.getIn(['filters', filterId]),
+});
+
+export default @connect(mapStateToProps)
+class AddedToFilter extends React.PureComponent {
+
+  static propTypes = {
+    onClose: PropTypes.func.isRequired,
+    contextType: PropTypes.string,
+    filter: ImmutablePropTypes.map.isRequired,
+    dispatch: PropTypes.func.isRequired,
+  };
+
+  handleCloseClick = () => {
+    const { onClose } = this.props;
+    onClose();
+  };
+
+  render () {
+    const { filter, contextType } = this.props;
+
+    let expiredMessage = null;
+    if (filter.get('expires_at') && filter.get('expires_at') < new Date()) {
+      expiredMessage = (
+        <React.Fragment>
+          <h4 className='report-dialog-modal__subtitle'><FormattedMessage id='filter_modal.added.expired_title' defaultMessage='Expired filter!' /></h4>
+          <p className='report-dialog-modal__lead'>
+            <FormattedMessage
+              id='filter_modal.added.expired_explanation'
+              defaultMessage='This filter category has expired, you will need to change the expiration date for it to apply.'
+            />
+          </p>
+        </React.Fragment>
+      );
+    }
+
+    let contextMismatchMessage = null;
+    if (contextType && !filter.get('context').includes(toServerSideType(contextType))) {
+      contextMismatchMessage = (
+        <React.Fragment>
+          <h4 className='report-dialog-modal__subtitle'><FormattedMessage id='filter_modal.added.context_mismatch_title' defaultMessage='Context mismatch!' /></h4>
+          <p className='report-dialog-modal__lead'>
+            <FormattedMessage
+              id='filter_modal.added.context_mismatch_explanation'
+              defaultMessage='This filter category does not apply to the context in which you have accessed this post. If you want the post to be filtered in this context too, you will have to edit the filter.'
+            />
+          </p>
+        </React.Fragment>
+      );
+    }
+
+    const settings_link = (
+      <a href={`/filters/${filter.get('id')}/edit`}>
+        <FormattedMessage
+          id='filter_modal.added.settings_link'
+          defaultMessage='settings page'
+        />
+      </a>
+    );
+
+    return (
+      <React.Fragment>
+        <h3 className='report-dialog-modal__title'><FormattedMessage id='filter_modal.added.title' defaultMessage='Filter added!' /></h3>
+        <p className='report-dialog-modal__lead'>
+          <FormattedMessage
+            id='filter_modal.added.short_explanation'
+            defaultMessage='This post has been added to the following filter category: {title}.'
+            values={{ title: filter.get('title') }}
+          />
+        </p>
+
+        {expiredMessage}
+        {contextMismatchMessage}
+
+        <h4 className='report-dialog-modal__subtitle'><FormattedMessage id='filter_modal.added.review_and_configure_title' defaultMessage='Filter settings' /></h4>
+        <p className='report-dialog-modal__lead'>
+          <FormattedMessage
+            id='filter_modal.added.review_and_configure'
+            defaultMessage='To review and further configure this filter category, go to the {settings_link}.'
+            values={{ settings_link }}
+          />
+        </p>
+
+        <div className='flex-spacer' />
+
+        <div className='report-dialog-modal__actions'>
+          <Button onClick={this.handleCloseClick}><FormattedMessage id='report.close' defaultMessage='Done' /></Button>
+        </div>
+      </React.Fragment>
+    );
+  }
+
+}
diff --git a/app/javascript/flavours/glitch/features/filters/select_filter.js b/app/javascript/flavours/glitch/features/filters/select_filter.js
new file mode 100644
index 000000000..5321dbb96
--- /dev/null
+++ b/app/javascript/flavours/glitch/features/filters/select_filter.js
@@ -0,0 +1,192 @@
+import React from 'react';
+import PropTypes from 'prop-types';
+import { connect } from 'react-redux';
+import { defineMessages, injectIntl, FormattedMessage } from 'react-intl';
+import { toServerSideType } from 'flavours/glitch/util/filters';
+import { loupeIcon, deleteIcon } from 'flavours/glitch/util/icons';
+import Icon from 'flavours/glitch/components/icon';
+import fuzzysort from 'fuzzysort';
+
+const messages = defineMessages({
+  search: { id: 'filter_modal.select_filter.search', defaultMessage: 'Search or create' },
+  clear: { id: 'emoji_button.clear', defaultMessage: 'Clear' },
+});
+
+const mapStateToProps = (state, { contextType }) => ({
+  filters: Array.from(state.get('filters').values()).map((filter) => [
+    filter.get('id'),
+    filter.get('title'),
+    filter.get('keywords')?.map((keyword) => keyword.get('keyword')).join('\n'),
+    filter.get('expires_at') && filter.get('expires_at') < new Date(),
+    contextType && !filter.get('context').includes(toServerSideType(contextType)),
+  ]),
+});
+
+export default @connect(mapStateToProps)
+@injectIntl
+class SelectFilter extends React.PureComponent {
+
+  static propTypes = {
+    onSelectFilter: PropTypes.func.isRequired,
+    onNewFilter: PropTypes.func.isRequired,
+    filters: PropTypes.arrayOf(PropTypes.arrayOf(PropTypes.object)),
+    intl: PropTypes.object.isRequired,
+  };
+
+  state = {
+    searchValue: '',
+  };
+
+  search () {
+    const { filters } = this.props;
+    const { searchValue } = this.state;
+
+    if (searchValue === '') {
+      return filters;
+    }
+
+    return fuzzysort.go(searchValue, filters, {
+      keys: ['1', '2'],
+      limit: 5,
+      threshold: -10000,
+    }).map(result => result.obj);
+  }
+
+  renderItem = filter => {
+    let warning = null;
+    if (filter[3] || filter[4]) {
+      warning = (
+        <span className='language-dropdown__dropdown__results__item__common-name'>
+          (
+          {filter[3] && <FormattedMessage id='filter_modal.select_filter.expired' defaultMessage='expired' />}
+          {filter[3] && filter[4] && ', '}
+          {filter[4] && <FormattedMessage id='filter_modal.select_filter.context_mismatch' defaultMessage='does not apply to this context' />}
+          )
+        </span>
+      );
+    }
+
+    return (
+      <div key={filter[0]} role='button' tabIndex='0' data-index={filter[0]} className='language-dropdown__dropdown__results__item' onClick={this.handleItemClick} onKeyDown={this.handleKeyDown}>
+        <span className='language-dropdown__dropdown__results__item__native-name'>{filter[1]}</span> {warning}
+      </div>
+    );
+  }
+
+  renderCreateNew (name) {
+    return (
+      <div key='add-new-filter' role='button' tabIndex='0' className='language-dropdown__dropdown__results__item' onClick={this.handleNewFilterClick} onKeyDown={this.handleKeyDown}>
+        <Icon id='plus' fixedWidth /> <FormattedMessage id='filter_modal.select_filter.prompt_new' defaultMessage='New category: {name}' values={{ name }} />
+      </div>
+    );
+  }
+
+  handleSearchChange = ({ target }) => {
+    this.setState({ searchValue: target.value });
+  }
+
+  setListRef = c => {
+    this.listNode = c;
+  }
+
+  handleKeyDown = e => {
+    const index = Array.from(this.listNode.childNodes).findIndex(node => node === e.currentTarget);
+
+    let element = null;
+
+    switch(e.key) {
+    case ' ':
+    case 'Enter':
+      e.currentTarget.click();
+      break;
+    case 'ArrowDown':
+      element = this.listNode.childNodes[index + 1] || this.listNode.firstChild;
+      break;
+    case 'ArrowUp':
+      element = this.listNode.childNodes[index - 1] || this.listNode.lastChild;
+      break;
+    case 'Tab':
+      if (e.shiftKey) {
+        element = this.listNode.childNodes[index - 1] || this.listNode.lastChild;
+      } else {
+        element = this.listNode.childNodes[index + 1] || this.listNode.firstChild;
+      }
+      break;
+    case 'Home':
+      element = this.listNode.firstChild;
+      break;
+    case 'End':
+      element = this.listNode.lastChild;
+      break;
+    }
+
+    if (element) {
+      element.focus();
+      e.preventDefault();
+      e.stopPropagation();
+    }
+  }
+
+  handleSearchKeyDown = e => {
+    let element = null;
+
+    switch(e.key) {
+    case 'Tab':
+    case 'ArrowDown':
+      element = this.listNode.firstChild;
+
+      if (element) {
+        element.focus();
+        e.preventDefault();
+        e.stopPropagation();
+      }
+
+      break;
+    }
+  }
+
+  handleClear = () => {
+    this.setState({ searchValue: '' });
+  }
+
+  handleItemClick = e => {
+    const value = e.currentTarget.getAttribute('data-index');
+
+    e.preventDefault();
+
+    this.props.onSelectFilter(value);
+  }
+
+  handleNewFilterClick = e => {
+    e.preventDefault();
+
+    this.props.onNewFilter(this.state.searchValue);
+  };
+
+  render () {
+    const { intl } = this.props;
+
+    const { searchValue } = this.state;
+    const isSearching = searchValue !== '';
+    const results = this.search();
+
+    return (
+      <React.Fragment>
+        <h3 className='report-dialog-modal__title'><FormattedMessage id='filter_modal.select_filter.title' defaultMessage='Filter this post' /></h3>
+        <p className='report-dialog-modal__lead'><FormattedMessage id='filter_modal.select_filter.subtitle' defaultMessage='Use an existing category or create a new one' /></p>
+
+        <div className='emoji-mart-search'>
+          <input type='search' value={searchValue} onChange={this.handleSearchChange} onKeyDown={this.handleSearchKeyDown} placeholder={intl.formatMessage(messages.search)} autoFocus />
+          <button className='emoji-mart-search-icon' disabled={!isSearching} aria-label={intl.formatMessage(messages.clear)} onClick={this.handleClear}>{!isSearching ? loupeIcon : deleteIcon}</button>
+        </div>
+
+        <div className='language-dropdown__dropdown__results emoji-mart-scroll' role='listbox' ref={this.setListRef}>
+          {results.map(this.renderItem)}
+          {isSearching && this.renderCreateNew(searchValue) }
+        </div>
+
+      </React.Fragment>
+    );
+  }
+
+}
diff --git a/app/javascript/flavours/glitch/features/local_settings/page/index.js b/app/javascript/flavours/glitch/features/local_settings/page/index.js
index ffa4e3409..333b73b45 100644
--- a/app/javascript/flavours/glitch/features/local_settings/page/index.js
+++ b/app/javascript/flavours/glitch/features/local_settings/page/index.js
@@ -24,10 +24,6 @@ const messages = defineMessages({
   side_arm_copy: { id: 'settings.side_arm_reply_mode.copy', defaultMessage: 'Copy privacy setting of the toot being replied to' },
   side_arm_restrict: { id: 'settings.side_arm_reply_mode.restrict', defaultMessage: 'Restrict privacy setting to that of the toot being replied to' },
   regexp: { id: 'settings.content_warnings.regexp', defaultMessage: 'Regular expression' },
-  filters_drop: { id: 'settings.filtering_behavior.drop', defaultMessage: 'Hide filtered toots completely' },
-  filters_upstream: { id: 'settings.filtering_behavior.upstream', defaultMessage: 'Show "filtered" like vanilla Mastodon' },
-  filters_hide: { id: 'settings.filtering_behavior.hide', defaultMessage: 'Show "filtered" and add a button to display why' },
-  filters_cw: { id: 'settings.filtering_behavior.cw', defaultMessage: 'Still display the post, and add filtered words to content warning' },
   rewrite_mentions_no: { id: 'settings.rewrite_mentions_no', defaultMessage: 'Do not rewrite mentions' },
   rewrite_mentions_acct: { id: 'settings.rewrite_mentions_acct', defaultMessage: 'Rewrite with username and domain (when the account is remote)' },
   rewrite_mentions_username: { id: 'settings.rewrite_mentions_username', defaultMessage:  'Rewrite with username' },
@@ -358,25 +354,6 @@ class LocalSettingsPage extends React.PureComponent {
         </section>
       </div>
     ),
-    ({ intl, onChange, settings }) => (
-      <div className='glitch local-settings__page filters'>
-        <h1><FormattedMessage id='settings.filters' defaultMessage='Filters' /></h1>
-        <LocalSettingsPageItem
-          settings={settings}
-          item={['filtering_behavior']}
-          id='mastodon-settings--filters-behavior'
-          onChange={onChange}
-          options={[
-            { value: 'drop', message: intl.formatMessage(messages.filters_drop) },
-            { value: 'upstream', message: intl.formatMessage(messages.filters_upstream) },
-            { value: 'hide', message: intl.formatMessage(messages.filters_hide) },
-            { value: 'content_warning', message: intl.formatMessage(messages.filters_cw) }
-          ]}
-        >
-          <FormattedMessage id='settings.filtering_behavior' defaultMessage='Filtering behavior' />
-        </LocalSettingsPageItem>
-      </div>
-    ),
     ({ onChange, settings }) => (
       <div className='glitch local-settings__page collapsed'>
         <h1><FormattedMessage id='settings.collapsed_statuses' defaultMessage='Collapsed toots' /></h1>
diff --git a/app/javascript/flavours/glitch/features/ui/components/filter_modal.js b/app/javascript/flavours/glitch/features/ui/components/filter_modal.js
new file mode 100644
index 000000000..d2482e733
--- /dev/null
+++ b/app/javascript/flavours/glitch/features/ui/components/filter_modal.js
@@ -0,0 +1,134 @@
+import React from 'react';
+import { connect } from 'react-redux';
+import { fetchStatus } from 'flavours/glitch/actions/statuses';
+import { fetchFilters, createFilter, createFilterStatus } from 'flavours/glitch/actions/filters';
+import PropTypes from 'prop-types';
+import { defineMessages, FormattedMessage, injectIntl } from 'react-intl';
+import ImmutablePureComponent from 'react-immutable-pure-component';
+import IconButton from 'flavours/glitch/components/icon_button';
+import SelectFilter from 'flavours/glitch/features/filters/select_filter';
+import AddedToFilter from 'flavours/glitch/features/filters/added_to_filter';
+
+const messages = defineMessages({
+  close: { id: 'lightbox.close', defaultMessage: 'Close' },
+});
+
+export default @connect(undefined)
+@injectIntl
+class FilterModal extends ImmutablePureComponent {
+
+  static propTypes = {
+    statusId: PropTypes.string.isRequired,
+    contextType: PropTypes.string,
+    dispatch: PropTypes.func.isRequired,
+    intl: PropTypes.object.isRequired,
+  };
+
+  state = {
+    step: 'select',
+    filterId: null,
+    isSubmitting: false,
+    isSubmitted: false,
+  };
+
+  handleNewFilterSuccess = (result) => {
+    this.handleSelectFilter(result.id);
+  };
+
+  handleSuccess = () => {
+    const { dispatch, statusId } = this.props;
+    dispatch(fetchStatus(statusId, true));
+    this.setState({ isSubmitting: false, isSubmitted: true, step: 'submitted' });
+  };
+
+  handleFail = () => {
+    this.setState({ isSubmitting: false });
+  };
+
+  handleNextStep = step => {
+    this.setState({ step });
+  };
+
+  handleSelectFilter = (filterId) => {
+    const { dispatch, statusId } = this.props;
+
+    this.setState({ isSubmitting: true, filterId });
+
+    dispatch(createFilterStatus({
+      filter_id: filterId,
+      status_id: statusId,
+    }, this.handleSuccess, this.handleFail));
+  };
+
+  handleNewFilter = (title) => {
+    const { dispatch } = this.props;
+
+    this.setState({ isSubmitting: true });
+
+    dispatch(createFilter({
+      title,
+      context: ['home', 'notifications', 'public', 'thread', 'account'],
+      action: 'warn',
+    }, this.handleNewFilterSuccess, this.handleFail));
+  };
+
+  componentDidMount () {
+    const { dispatch } = this.props;
+
+    dispatch(fetchFilters());
+  }
+
+  render () {
+    const {
+      intl,
+      statusId,
+      contextType,
+      onClose,
+    } = this.props;
+
+    const {
+      step,
+      filterId,
+    } = this.state;
+
+    let stepComponent;
+
+    switch(step) {
+    case 'select':
+      stepComponent = (
+        <SelectFilter
+          contextType={contextType}
+          onSelectFilter={this.handleSelectFilter}
+          onNewFilter={this.handleNewFilter}
+        />
+      );
+      break;
+    case 'create':
+      stepComponent = null;
+      break;
+    case 'submitted':
+      stepComponent = (
+        <AddedToFilter
+          contextType={contextType}
+          filterId={filterId}
+          statusId={statusId}
+          onClose={onClose}
+        />
+      );
+    }
+
+    return (
+      <div className='modal-root__modal report-dialog-modal'>
+        <div className='report-modal__target'>
+          <IconButton className='report-modal__close' title={intl.formatMessage(messages.close)} icon='times' onClick={onClose} size={20} />
+          <FormattedMessage id='filter_modal.title.status' defaultMessage='Filter a post' />
+        </div>
+
+        <div className='report-dialog-modal__container'>
+          {stepComponent}
+        </div>
+      </div>
+    );
+  }
+
+}
diff --git a/app/javascript/flavours/glitch/features/ui/components/modal_root.js b/app/javascript/flavours/glitch/features/ui/components/modal_root.js
index 8f18d93b7..4df3a0dee 100644
--- a/app/javascript/flavours/glitch/features/ui/components/modal_root.js
+++ b/app/javascript/flavours/glitch/features/ui/components/modal_root.js
@@ -26,6 +26,7 @@ import {
   ListAdder,
   PinnedAccountsEditor,
   CompareHistoryModal,
+  FilterModal,
 } from 'flavours/glitch/util/async-components';
 
 const MODAL_COMPONENTS = {
@@ -49,6 +50,7 @@ const MODAL_COMPONENTS = {
   'LIST_ADDER': ListAdder,
   'PINNED_ACCOUNTS_EDITOR': PinnedAccountsEditor,
   'COMPARE_HISTORY': CompareHistoryModal,
+  'FILTER': FilterModal,
 };
 
 export default class ModalRoot extends React.PureComponent {
diff --git a/app/javascript/flavours/glitch/features/ui/index.js b/app/javascript/flavours/glitch/features/ui/index.js
index 099ffc69c..2be6d9478 100644
--- a/app/javascript/flavours/glitch/features/ui/index.js
+++ b/app/javascript/flavours/glitch/features/ui/index.js
@@ -10,7 +10,6 @@ import { debounce } from 'lodash';
 import { uploadCompose, resetCompose, changeComposeSpoilerness } from 'flavours/glitch/actions/compose';
 import { expandHomeTimeline } from 'flavours/glitch/actions/timelines';
 import { expandNotifications, notificationsSetVisibility } from 'flavours/glitch/actions/notifications';
-import { fetchFilters } from 'flavours/glitch/actions/filters';
 import { fetchRules } from 'flavours/glitch/actions/rules';
 import { clearHeight } from 'flavours/glitch/actions/height_cache';
 import { synchronouslySubmitMarkers, submitMarkers, fetchMarkers } from 'flavours/glitch/actions/markers';
@@ -402,7 +401,7 @@ class UI extends React.Component {
     this.props.dispatch(fetchMarkers());
     this.props.dispatch(expandHomeTimeline());
     this.props.dispatch(expandNotifications());
-    setTimeout(() => this.props.dispatch(fetchFilters()), 500);
+
     setTimeout(() => this.props.dispatch(fetchRules()), 3000);
   }
 
diff --git a/app/javascript/flavours/glitch/reducers/filters.js b/app/javascript/flavours/glitch/reducers/filters.js
index 33f0c6732..cc1d3349c 100644
--- a/app/javascript/flavours/glitch/reducers/filters.js
+++ b/app/javascript/flavours/glitch/reducers/filters.js
@@ -1,10 +1,43 @@
-import { FILTERS_FETCH_SUCCESS } from '../actions/filters';
-import { List as ImmutableList, fromJS } from 'immutable';
+import { FILTERS_IMPORT } from '../actions/importer';
+import { FILTERS_FETCH_SUCCESS, FILTERS_CREATE_SUCCESS } from '../actions/filters';
+import { Map as ImmutableMap, is, fromJS } from 'immutable';
 
-export default function filters(state = ImmutableList(), action) {
+const normalizeFilter = (state, filter) => {
+  const normalizedFilter = fromJS({
+    id: filter.id,
+    title: filter.title,
+    context: filter.context,
+    filter_action: filter.filter_action,
+    keywords: filter.keywords,
+    expires_at: filter.expires_at ? Date.parse(filter.expires_at) : null,
+  });
+
+  if (is(state.get(filter.id), normalizedFilter)) {
+    return state;
+  } else {
+    // Do not overwrite keywords when receiving a partial filter
+    return state.update(filter.id, ImmutableMap(), (old) => (
+      old.mergeWith(((old_value, new_value) => (new_value === undefined ? old_value : new_value)), normalizedFilter)
+    ));
+  }
+};
+
+const normalizeFilters = (state, filters) => {
+  filters.forEach(filter => {
+    state = normalizeFilter(state, filter);
+  });
+
+  return state;
+};
+
+export default function filters(state = ImmutableMap(), action) {
   switch(action.type) {
+  case FILTERS_CREATE_SUCCESS:
+    return normalizeFilter(state, action.filter);
   case FILTERS_FETCH_SUCCESS:
-    return fromJS(action.filters);
+    //TODO: handle deleting obsolete filters
+  case FILTERS_IMPORT:
+    return normalizeFilters(state, action.filters);
   default:
     return state;
   }
diff --git a/app/javascript/flavours/glitch/reducers/local_settings.js b/app/javascript/flavours/glitch/reducers/local_settings.js
index 62ce29f0c..81ab1cb0d 100644
--- a/app/javascript/flavours/glitch/reducers/local_settings.js
+++ b/app/javascript/flavours/glitch/reducers/local_settings.js
@@ -21,7 +21,6 @@ const initialState = ImmutableMap({
   inline_preview_cards: true,
   hicolor_privacy_icons: false,
   show_content_type_choice: false,
-  filtering_behavior: 'hide',
   tag_misleading_links: true,
   rewrite_mentions: 'no',
   content_warnings : ImmutableMap({
diff --git a/app/javascript/flavours/glitch/selectors/index.js b/app/javascript/flavours/glitch/selectors/index.js
index d9aa8f140..377805f16 100644
--- a/app/javascript/flavours/glitch/selectors/index.js
+++ b/app/javascript/flavours/glitch/selectors/index.js
@@ -1,6 +1,7 @@
 import escapeTextContentForBrowser from 'escape-html';
 import { createSelector } from 'reselect';
-import { List as ImmutableList, is } from 'immutable';
+import { List as ImmutableList } from 'immutable';
+import { toServerSideType } from 'flavours/glitch/util/filters';
 import { me } from 'flavours/glitch/util/initial_state';
 
 const getAccountBase         = (state, id) => state.getIn(['accounts', id], null);
@@ -21,69 +22,15 @@ export const makeGetAccount = () => {
   });
 };
 
-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 getFilters = (state, { contextType }) => {
+  if (!contextType) return null;
 
-    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())));
+  const serverSideType = toServerSideType(contextType);
+  const now = 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(
     [
@@ -91,60 +38,37 @@ 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'])]),
-      (state, _) => state.getIn(['local_settings', 'filtering_behavior']),
-      (state, _) => state.get('filters', ImmutableList()),
-      (_, { contextType }) => contextType,
-      getFiltersRegex,
+      getFilters,
     ],
 
-    (statusBase, statusReblog, accountBase, accountReblog, filteringBehavior, filters, contextType, filtersRegex) => {
+    (statusBase, statusReblog, accountBase, accountReblog, filters) => {
       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 ((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;
+        }
+        filterResults = filterResults.filter(result => filters.has(result.get('filter')));
+        if (!filterResults.isEmpty()) {
+          filtered = filterResults.map(result => filters.getIn([result.get('filter'), 'title']));
+        }
+      }
 
       if (statusReblog) {
-        filtered     = regex && regex.test(statusReblog.get('search_index'));
         statusReblog = statusReblog.set('account', accountReblog);
-        statusReblog = statusReblog.set('filtered', filtered);
+        statusReblog = statusReblog.set('matched_filters', 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);
+        map.set('matched_filters', filtered);
       });
     },
   );
diff --git a/app/javascript/flavours/glitch/styles/components/modal.scss b/app/javascript/flavours/glitch/styles/components/modal.scss
index 90e0da02a..e95bea0d7 100644
--- a/app/javascript/flavours/glitch/styles/components/modal.scss
+++ b/app/javascript/flavours/glitch/styles/components/modal.scss
@@ -583,6 +583,16 @@
     line-height: 22px;
     color: lighten($inverted-text-color, 16%);
     margin-bottom: 30px;
+
+    a {
+      text-decoration: none;
+      color: $inverted-text-color;
+      font-weight: 500;
+
+      &:hover {
+        text-decoration: underline;
+      }
+    }
   }
 
   &__actions {
@@ -730,6 +740,14 @@
     background: transparent;
     margin: 15px 0;
   }
+
+  .emoji-mart-search {
+    padding-right: 10px;
+  }
+
+  .emoji-mart-search-icon {
+    right: 10px + 5px;
+  }
 }
 
 .report-modal__container {
diff --git a/app/javascript/flavours/glitch/util/async-components.js b/app/javascript/flavours/glitch/util/async-components.js
index 8c9630eea..86bb7be36 100644
--- a/app/javascript/flavours/glitch/util/async-components.js
+++ b/app/javascript/flavours/glitch/util/async-components.js
@@ -177,3 +177,7 @@ export function FollowRecommendations () {
 export function CompareHistoryModal () {
   return import(/*webpackChunkName: "flavours/glitch/async/compare_history_modal" */'flavours/glitch/features/ui/components/compare_history_modal');
 }
+
+export function FilterModal () {
+  return import(/*webpackChunkName: "flavours/glitch/async/filter_modal" */'flavours/glitch/features/ui/components/filter_modal');
+}
diff --git a/app/javascript/flavours/glitch/util/filters.js b/app/javascript/flavours/glitch/util/filters.js
new file mode 100644
index 000000000..97b433a99
--- /dev/null
+++ b/app/javascript/flavours/glitch/util/filters.js
@@ -0,0 +1,16 @@
+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
+    }
+  }
+};
diff --git a/app/javascript/flavours/glitch/util/icons.js b/app/javascript/flavours/glitch/util/icons.js
new file mode 100644
index 000000000..be566032e
--- /dev/null
+++ b/app/javascript/flavours/glitch/util/icons.js
@@ -0,0 +1,13 @@
+// Copied from emoji-mart for consistency with emoji picker and since
+// they don't export the icons in the package
+export const loupeIcon = (
+  <svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20' width='13' height='13'>
+    <path d='M12.9 14.32a8 8 0 1 1 1.41-1.41l5.35 5.33-1.42 1.42-5.33-5.34zM8 14A6 6 0 1 0 8 2a6 6 0 0 0 0 12z' />
+  </svg>
+);
+
+export const deleteIcon = (
+  <svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20' width='13' height='13'>
+    <path d='M10 8.586L2.929 1.515 1.515 2.929 8.586 10l-7.071 7.071 1.414 1.414L10 11.414l7.071 7.071 1.414-1.414L11.414 10l7.071-7.071-1.414-1.414L10 8.586z' />
+  </svg>
+);