Include task scheduler in core

src/Console/ConsoleServiceProvider.php

@@ -14,6 +14,9 @@ use Flarum\Database\Console\ResetCommand;
 use Flarum\Foundation\AbstractServiceProvider;
 use Flarum\Foundation\Console\CacheClearCommand;
 use Flarum\Foundation\Console\InfoCommand;
+use Illuminate\Console\Scheduling\Schedule as LaravelSchedule;
+use Illuminate\Console\Scheduling\ScheduleListCommand;
+use Illuminate\Console\Scheduling\ScheduleRunCommand;
 
 class ConsoleServiceProvider extends AbstractServiceProvider
 {
@@ -22,13 +25,42 @@ class ConsoleServiceProvider extends AbstractServiceProvider
      */
     public function register()
     {
+        // Used by Laravel to proxy artisan commands to its binary.
+        // Flarum uses a similar binary, but it's called flarum.
+        if (! defined('ARTISAN_BINARY')) {
+            define('ARTISAN_BINARY', 'flarum');
+        }
+
+        $this->container->singleton(LaravelSchedule::class, function () {
+            return $this->container->make(Schedule::class);
+        });
+
         $this->container->singleton('flarum.console.commands', function () {
             return [
                 CacheClearCommand::class,
                 InfoCommand::class,
                 MigrateCommand::class,
                 ResetCommand::class,
+                ScheduleListCommand::class,
+                ScheduleRunCommand::class
             ];
         });
+
+        $this->container->singleton('flarum.console.scheduled', function () {
+            return [];
+        });
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public function boot()
+    {
+        $schedule = $this->container->make(LaravelSchedule::class);
+
+        foreach ($this->container->make('flarum.console.scheduled') as $scheduled) {
+            $event = $schedule->command($scheduled['command'], $scheduled['args']);
+            $scheduled['callback']($event);
+        }
     }
 }

src/Console/Schedule.php

@@ -0,0 +1,40 @@
+<?php
+
+/*
+ * This file is part of Flarum.
+ *
+ * For detailed copyright and license information, please view the
+ * LICENSE file that was distributed with this source code.
+ */
+
+namespace Flarum\Console;
+
+use Flarum\Foundation\Config;
+use Illuminate\Console\Scheduling\Schedule as LaravelSchedule;
+use Illuminate\Support\Collection;
+
+class Schedule extends LaravelSchedule
+{
+    public function dueEvents($container)
+    {
+        return (new Collection($this->events))->filter->isDue(new FakeApp($container));
+    }
+}
+
+class FakeApp
+{
+    public function __construct($container)
+    {
+        $this->config = $container->make(Config::class);
+    }
+
+    public function isDownForMaintenance()
+    {
+        return $this->config->inMaintenanceMode();
+    }
+
+    public function environment()
+    {
+        return '';
+    }
+}