[8.x] Dispatch events when maintenance mode is enabled and disabled (#…

…38826)

* Add event classes

* Add tests

* Dispatch events when maintenance mode is enabled and disabled

* Remove empty constructors from event classes

src/Illuminate/Foundation/Console/DownCommand.php

@@ -5,6 +5,7 @@
 use App\Http\Middleware\PreventRequestsDuringMaintenance;
 use Exception;
 use Illuminate\Console\Command;
+use Illuminate\Foundation\Events\MaintenanceModeEnabled;
 use Illuminate\Foundation\Exceptions\RegisterErrorViewPaths;
 use Throwable;
 
@@ -53,6 +54,8 @@ public function handle()
                 file_get_contents(__DIR__.'/stubs/maintenance-mode.stub')
             );
 
+            $this->laravel->get('events')->dispatch(MaintenanceModeEnabled::class);
+
             $this->comment('Application is now in maintenance mode.');
         } catch (Exception $e) {
             $this->error('Failed to enter maintenance mode.');

src/Illuminate/Foundation/Console/UpCommand.php

@@ -4,6 +4,7 @@
 
 use Exception;
 use Illuminate\Console\Command;
+use Illuminate\Foundation\Events\MaintenanceModeDisabled;
 
 class UpCommand extends Command
 {
@@ -41,6 +42,8 @@ public function handle()
                 unlink(storage_path('framework/maintenance.php'));
             }
 
+            $this->laravel->get('events')->dispatch(MaintenanceModeDisabled::class);
+
             $this->info('Application is now live.');
         } catch (Exception $e) {
             $this->error('Failed to disable maintenance mode.');

src/Illuminate/Foundation/Events/MaintenanceModeDisabled.php

@@ -0,0 +1,8 @@
+<?php
+
+namespace Illuminate\Foundation\Events;
+
+class MaintenanceModeDisabled
+{
+    //
+}

src/Illuminate/Foundation/Events/MaintenanceModeEnabled.php

@@ -0,0 +1,8 @@
+<?php
+
+namespace Illuminate\Foundation\Events;
+
+class MaintenanceModeEnabled
+{
+    //
+}

tests/Integration/Foundation/MaintenanceModeTest.php

@@ -2,9 +2,14 @@
 
 namespace Illuminate\Tests\Integration\Foundation;
 
+use Illuminate\Foundation\Console\DownCommand;
+use Illuminate\Foundation\Console\UpCommand;
+use Illuminate\Foundation\Events\MaintenanceModeDisabled;
+use Illuminate\Foundation\Events\MaintenanceModeEnabled;
 use Illuminate\Foundation\Http\MaintenanceModeBypassCookie;
 use Illuminate\Foundation\Http\Middleware\PreventRequestsDuringMaintenance;
 use Illuminate\Support\Carbon;
+use Illuminate\Support\Facades\Event;
 use Illuminate\Support\Facades\Route;
 use Orchestra\Testbench\TestCase;
 use Symfony\Component\HttpFoundation\Cookie;
@@ -146,4 +151,27 @@ public function testCanCreateBypassCookies()
 
         Carbon::setTestNow(null);
     }
+
+    public function testDispatchEventWhenMaintenanceModeIsEnabled()
+    {
+        Event::fake();
+
+        Event::assertNotDispatched(MaintenanceModeEnabled::class);
+        $this->artisan(DownCommand::class);
+        Event::assertDispatched(MaintenanceModeEnabled::class);
+    }
+
+    public function testDispatchEventWhenMaintenanceModeIsDisabled()
+    {
+        file_put_contents(storage_path('framework/down'), json_encode([
+            'retry' => 60,
+            'refresh' => 60,
+        ]));
+
+        Event::fake();
+
+        Event::assertNotDispatched(MaintenanceModeDisabled::class);
+        $this->artisan(UpCommand::class);
+        Event::assertDispatched(MaintenanceModeDisabled::class);
+    }
 }