Add configuration option to filter replies in lists (#9205)

* Add database support for list show-reply preferences

* Add backend support to read and update list-specific show_replies settings

* Add basic UI to set list replies setting

* Add specs for list replies policy

* Switch "cycling" reply policy link to a set of radio inputs

* Capitalize replies_policy strings

* Change radio button design to be consistent with that of the directory explorer

app/javascript/mastodon/actions/lists.js

@@ -150,10 +150,10 @@ export const createListFail = error => ({
   error,
 });
 
-export const updateList = (id, title, shouldReset) => (dispatch, getState) => {
+export const updateList = (id, title, shouldReset, replies_policy) => (dispatch, getState) => {
   dispatch(updateListRequest(id));
 
-  api(getState).put(`/api/v1/lists/${id}`, { title }).then(({ data }) => {
+  api(getState).put(`/api/v1/lists/${id}`, { title, replies_policy }).then(({ data }) => {
     dispatch(updateListSuccess(data));
 
     if (shouldReset) {

app/javascript/mastodon/features/list_timeline/index.js

@@ -10,15 +10,19 @@ import { addColumn, removeColumn, moveColumn } from '../../actions/columns';
 import { FormattedMessage, defineMessages, injectIntl } from 'react-intl';
 import { connectListStream } from '../../actions/streaming';
 import { expandListTimeline } from '../../actions/timelines';
-import { fetchList, deleteList } from '../../actions/lists';
+import { fetchList, deleteList, updateList } from '../../actions/lists';
 import { openModal } from '../../actions/modal';
 import MissingIndicator from '../../components/missing_indicator';
 import LoadingIndicator from '../../components/loading_indicator';
 import Icon from 'mastodon/components/icon';
+import RadioButton from 'mastodon/components/radio_button';
 
 const messages = defineMessages({
   deleteMessage: { id: 'confirmations.delete_list.message', defaultMessage: 'Are you sure you want to permanently delete this list?' },
   deleteConfirm: { id: 'confirmations.delete_list.confirm', defaultMessage: 'Delete' },
+  all_replies:   { id: 'lists.replies_policy.all_replies', defaultMessage: 'Any followed user' },
+  no_replies:    { id: 'lists.replies_policy.no_replies', defaultMessage: 'No one' },
+  list_replies:  { id: 'lists.replies_policy.list_replies', defaultMessage: 'Members of the list' },
 });
 
 const mapStateToProps = (state, props) => ({
@@ -131,11 +135,18 @@ class ListTimeline extends React.PureComponent {
     }));
   }
 
+  handleRepliesPolicyChange = ({ target }) => {
+    const { dispatch } = this.props;
+    const { id } = this.props.params;
+    dispatch(updateList(id, undefined, false, target.value));
+  }
+
   render () {
-    const { shouldUpdateScroll, hasUnread, columnId, multiColumn, list } = this.props;
+    const { shouldUpdateScroll, hasUnread, columnId, multiColumn, list, intl } = this.props;
     const { id } = this.props.params;
     const pinned = !!columnId;
     const title  = list ? list.get('title') : id;
+    const replies_policy = list ? list.get('replies_policy') : undefined;
 
     if (typeof list === 'undefined') {
       return (
@@ -166,7 +177,7 @@ class ListTimeline extends React.PureComponent {
           pinned={pinned}
           multiColumn={multiColumn}
         >
-          <div className='column-header__links'>
+          <div className='column-settings__row column-header__links'>
             <button className='text-btn column-header__setting-btn' tabIndex='0' onClick={this.handleEditClick}>
               <Icon id='pencil' /> <FormattedMessage id='lists.edit' defaultMessage='Edit list' />
             </button>
@@ -175,6 +186,19 @@ class ListTimeline extends React.PureComponent {
               <Icon id='trash' /> <FormattedMessage id='lists.delete' defaultMessage='Delete list' />
             </button>
           </div>
+
+          { replies_policy !== undefined && (
+            <div role='group' aria-labelledby={`list-${id}-replies-policy`}>
+              <span id={`list-${id}-replies-policy`} className='column-settings__section'>
+                <FormattedMessage id='lists.replies_policy.title' defaultMessage='Show replies to:' />
+              </span>
+              <div className='column-settings__row'>
+                { ['no_replies', 'list_replies', 'all_replies'].map(policy => (
+                  <RadioButton name='order' value={policy} label={intl.formatMessage(messages[policy])} checked={replies_policy === policy} onChange={this.handleRepliesPolicyChange} />
+                ))}
+              </div>
+            </div>
+          )}
         </ColumnHeader>
 
         <StatusListContainer

app/javascript/styles/mastodon/components.scss

@@ -5934,6 +5934,10 @@ a.status-card.compact:hover {
   }
 }
 
+.column-settings__row .radio-button {
+  display: block;
+}
+
 .radio-button {
   font-size: 14px;
   position: relative;