Add setting to automatically follow after reply. closes flarum/core#310

extensions/subscriptions/bootstrap.php

@@ -19,6 +19,7 @@ return function (Dispatcher $events, Factory $views) {
     $events->subscribe(Listener\FilterDiscussionListBySubscription::class);
     $events->subscribe(Listener\SaveSubscriptionToDatabase::class);
     $events->subscribe(Listener\SendNotificationWhenReplyIsPosted::class);
+    $events->subscribe(Listener\FollowAfterReply::class);
 
     $views->addNamespace('flarum-subscriptions', __DIR__.'/views');
 };

extensions/subscriptions/js/forum/dist/extension.js

@@ -372,10 +372,10 @@ System.register('flarum/subscriptions/components/SubscriptionMenuItem', ['flarum
     }
   };
 });;
-System.register('flarum/subscriptions/main', ['flarum/extend', 'flarum/app', 'flarum/Model', 'flarum/models/Discussion', 'flarum/components/NotificationGrid', 'flarum/subscriptions/addSubscriptionBadge', 'flarum/subscriptions/addSubscriptionControls', 'flarum/subscriptions/addSubscriptionFilter', 'flarum/subscriptions/components/NewPostNotification'], function (_export) {
+System.register('flarum/subscriptions/main', ['flarum/extend', 'flarum/app', 'flarum/Model', 'flarum/models/Discussion', 'flarum/components/NotificationGrid', 'flarum/subscriptions/addSubscriptionBadge', 'flarum/subscriptions/addSubscriptionControls', 'flarum/subscriptions/addSubscriptionFilter', 'flarum/subscriptions/addSubscriptionSettings', 'flarum/subscriptions/components/NewPostNotification'], function (_export) {
   'use strict';
 
-  var extend, app, Model, Discussion, NotificationGrid, addSubscriptionBadge, addSubscriptionControls, addSubscriptionFilter, NewPostNotification;
+  var extend, app, Model, Discussion, NotificationGrid, addSubscriptionBadge, addSubscriptionControls, addSubscriptionFilter, addSubscriptionSettings, NewPostNotification;
   return {
     setters: [function (_flarumExtend) {
       extend = _flarumExtend.extend;
@@ -393,6 +393,8 @@ System.register('flarum/subscriptions/main', ['flarum/extend', 'flarum/app', 'fl
       addSubscriptionControls = _flarumSubscriptionsAddSubscriptionControls['default'];
     }, function (_flarumSubscriptionsAddSubscriptionFilter) {
       addSubscriptionFilter = _flarumSubscriptionsAddSubscriptionFilter['default'];
+    }, function (_flarumSubscriptionsAddSubscriptionSettings) {
+      addSubscriptionSettings = _flarumSubscriptionsAddSubscriptionSettings['default'];
     }, function (_flarumSubscriptionsComponentsNewPostNotification) {
       NewPostNotification = _flarumSubscriptionsComponentsNewPostNotification['default'];
     }],
@@ -406,6 +408,7 @@ System.register('flarum/subscriptions/main', ['flarum/extend', 'flarum/app', 'fl
         addSubscriptionBadge();
         addSubscriptionControls();
         addSubscriptionFilter();
+        addSubscriptionSettings();
 
         extend(NotificationGrid.prototype, 'notificationTypes', function (items) {
           items.add('newPost', {
@@ -417,4 +420,33 @@ System.register('flarum/subscriptions/main', ['flarum/extend', 'flarum/app', 'fl
       });
     }
   };
+});;
+System.register('flarum/subscriptions/addSubscriptionSettings', ['flarum/extend', 'flarum/components/SettingsPage', 'flarum/components/FieldSet', 'flarum/components/Switch', 'flarum/utils/ItemList'], function (_export) {
+  'use strict';
+
+  var extend, SettingsPage, FieldSet, Switch, ItemList;
+  return {
+    setters: [function (_flarumExtend) {
+      extend = _flarumExtend.extend;
+    }, function (_flarumComponentsSettingsPage) {
+      SettingsPage = _flarumComponentsSettingsPage['default'];
+    }, function (_flarumComponentsFieldSet) {
+      FieldSet = _flarumComponentsFieldSet['default'];
+    }, function (_flarumComponentsSwitch) {
+      Switch = _flarumComponentsSwitch['default'];
+    }, function (_flarumUtilsItemList) {
+      ItemList = _flarumUtilsItemList['default'];
+    }],
+    execute: function () {
+      _export('default', function () {
+        extend(SettingsPage.prototype, 'notificationsItems', function (items) {
+          items.add('followAfterReply', Switch.component({
+            children: app.translator.trans('flarum-subscriptions.forum.settings.forum_follow_after_reply_label'),
+            state: this.user.preferences().followAfterReply,
+            onchange: this.preferenceSaver('followAfterReply')
+          }));
+        });
+      });
+    }
+  };
 });

extensions/subscriptions/js/forum/src/addSubscriptionSettings.js

@@ -0,0 +1,17 @@
+import { extend } from 'flarum/extend';
+import SettingsPage from 'flarum/components/SettingsPage';
+import FieldSet from 'flarum/components/FieldSet';
+import Switch from 'flarum/components/Switch';
+import ItemList from 'flarum/utils/ItemList';
+
+export default function() {
+  extend(SettingsPage.prototype, 'notificationsItems', function(items) {
+    items.add('followAfterReply',
+      Switch.component({
+        children: app.translator.trans('flarum-subscriptions.forum.settings.forum_follow_after_reply_label'),
+        state: this.user.preferences().followAfterReply,
+        onchange: this.preferenceSaver('followAfterReply')
+      })
+    );
+  });
+}

extensions/subscriptions/js/forum/src/main.js

@@ -7,6 +7,8 @@ import NotificationGrid from 'flarum/components/NotificationGrid';
 import addSubscriptionBadge from 'flarum/subscriptions/addSubscriptionBadge';
 import addSubscriptionControls from 'flarum/subscriptions/addSubscriptionControls';
 import addSubscriptionFilter from 'flarum/subscriptions/addSubscriptionFilter';
+import addSubscriptionSettings from 'flarum/subscriptions/addSubscriptionSettings';
+
 import NewPostNotification from 'flarum/subscriptions/components/NewPostNotification';
 
 app.initializers.add('subscriptions', function() {
@@ -17,6 +19,7 @@ app.initializers.add('subscriptions', function() {
   addSubscriptionBadge();
   addSubscriptionControls();
   addSubscriptionFilter();
+  addSubscriptionSettings();
 
   extend(NotificationGrid.prototype, 'notificationTypes', function(items) {
     items.add('newPost', {

extensions/subscriptions/src/Listener/FollowAfterReply.php

@@ -0,0 +1,55 @@
+<?php
+/*
+ * This file is part of Flarum.
+ *
+ * (c) Toby Zerner <toby.zerner@gmail.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Flarum\Subscriptions\Listener;
+
+use Flarum\Core\Access\AssertPermissionTrait;
+use Flarum\Event\ConfigureUserPreferences;
+use Flarum\Event\PostWasPosted;
+use Illuminate\Contracts\Events\Dispatcher;
+
+class FollowAfterReply
+{
+    use AssertPermissionTrait;
+
+    /**
+     * @param Dispatcher $events
+     */
+    public function subscribe(Dispatcher $events)
+    {
+        $events->listen(ConfigureUserPreferences::class, [$this, 'addUserPreference']);
+        $events->listen(PostWasPosted::class, [$this, 'whenPostWasPosted']);
+    }
+
+    /**
+     * @param ConfigureUserPreferences $event
+     */
+    public function addUserPreference(ConfigureUserPreferences $event)
+    {
+        $event->add('followAfterReply', 'boolval', false);
+    }
+
+    /**
+     * @param PostWasPosted $event
+     */
+    public function whenPostWasPosted(PostWasPosted $event)
+    {
+        $actor = $event->actor;
+
+        if ($actor && $actor->exists && $actor->getPreference('followAfterReply')) {
+            $this->assertRegistered($actor);
+
+            $state = $event->post->discussion->stateFor($actor);
+
+            $state->subscription = 'follow';
+            $state->save();
+        }
+    }
+}