add brownout toggle

.env.dist

@@ -6,6 +6,7 @@ APP_URL=http://localhost
 APP_DEPRECATION=false
 APP_DEPRECATION_DATE=2022-02-10T16:02:50+00:00
 APP_DEPRECATION_INFO=https://bit.ly/jikan-v3-deprecation
+APP_BROWNOUT=false
 
 CACHE_DRIVER=file
 QUEUE_CONNECTION=redis

app/Http/Middleware/BrownoutMiddleware.php

@@ -0,0 +1,40 @@
+<?php
+
+namespace App\Http\Middleware;
+
+use Closure;
+use Illuminate\Http\Request;
+
+/**
+ * Class BrownoutMiddleware
+ * @package App\Http\Middleware
+ *
+ *
+ */
+class BrownoutMiddleware
+{
+    /**
+     * Handle an incoming request.
+     *
+     * @param  \Illuminate\Http\Request  $request
+     * @param  \Closure  $next
+     * @return mixed
+     */
+    public function handle(Request $request, Closure $next)
+    {
+        if (env('APP_BROWNOUT') == false) {
+            return $next($request);
+        }
+
+        $time = date("Hi");
+        $hour = (int) substr($time, 0, 2);
+        $minutes = (int) substr($time, 2, 3);
+        $isEvenHour = $hour % 2 == 0;
+
+        if ($isEvenHour && $minutes <= 15) {
+            return response('', 410);
+        }
+
+        return $next($request);
+    }
+}

app/Http/Middleware/ResourceNotFoundCacheMiddleware.php

@@ -1 +0,0 @@
-<?php

bootstrap/app.php

@@ -72,7 +72,8 @@ $app->routeMiddleware([
     'jikan-response' => App\Http\Middleware\JikanResponseHandler::class,
     'throttle' => App\Http\Middleware\Throttle::class,
     'etag' => \App\Http\Middleware\EtagMiddleware::class,
-    'microcaching' => \App\Http\Middleware\MicroCaching::class
+    'microcaching' => \App\Http\Middleware\MicroCaching::class,
+    'brownout' => \App\Http\Middleware\BrownoutMiddleware::class
 ]);
 
 /*
@@ -116,9 +117,13 @@ $commonMiddleware = [
     'etag',
     'microcaching',
     'jikan-response',
-    'throttle'
+    'throttle',
 ];
 
+if (env('APP_BROWNOUT')) {
+    $commonMiddleware[] = 'brownout';
+}
+
 $app->router->group(
     [
         'prefix' => 'v3',

routes/web.v3.php

@@ -1,7 +1,20 @@
 <?php
 
 $router->get('/', function () use ($router) {
-    return response()->json([
+    $body = [];
+    $headers = [];
+
+    if (env('APP_DEPRECATION')) {
+        $body['API_DEPRECATION'] = env('APP_DEPRECATION');
+        $body['API_DEPRECATION_DATE'] = env('APP_DEPRECATION_DATE');
+        $body['API_DEPRECATION_INFO'] = env('APP_DEPRECATION_INFO');
+        $headers['X-API-Deprecation'] = env('APP_DEPRECATION');
+        $headers['X-API-Deprecation-Date'] = env('APP_DEPRECATION_DATE');
+        $headers['X-API-Deprecation-Info'] = env('APP_DEPRECATION_INFO');
+    }
+
+    $body += [
+        'NOTICE' => 'Please migrate to v4: https://docs.api.jikan.moe/',
         'Author' => '@irfanDahir',
         'Discord' => 'http://discord.jikan.moe',
         'Version' => JIKAN_REST_API_VERSION,
@@ -11,7 +24,11 @@ $router->get('/', function () use ($router) {
         'GitHub' => 'https://github.com/jikan-me/jikan',
         'PRODUCTION_API_URL' => 'https://api.jikan.moe/v3/',
         'STATUS_URL' => 'https://status.jikan.moe'
-    ]);
+    ];
+
+    return response()
+        ->json($body)
+        ->withHeaders($headers);
 });
 
 $router->group(