Add ability to set custom cache paths in middleware to support multiple domains

readme.md

@@ -17,6 +17,7 @@ This package allows you to easily cache responses as static files on disk for li
   - [Using the middleware](#using-the-middleware)
   - [Clearing the cache](#clearing-the-cache)
   - [Customizing what to cache](#customizing-what-to-cache)
+  - [Multiple domains](#multiple-domains)
 - [License](#license)
 
 ---
@@ -210,6 +211,21 @@ By default, all GET requests with a 200 HTTP response code are cached. If you wa
 
 3. Finally, update the middleware references in your `app/Http/Kernel.php` file, to point to your own middleware.
 
+### Multiple Domains
+
+Out of the box, Page Cache stores the cached files in a single directory based off the file path. When using caching on a Laravel application that has mutiple domains these files will conflict with each other. The `page-cache` middleware supports an argument that allows you to configure the directory of where to store the cached file. You can store these in a subdirectory (`page-cache/laravel`) or store them in different directories (`page-cache-laravel`).
+
+```php
+Route::domain('laravel.com')->('page-cache:page-cache/laravel')->get('/', 'LaravelController@show')->name('home');
+Route::domain('forge.laravel.com')->('page-cache:page-cache/forge')->get('/', 'ForgeController@show');
+```
+
+When using directories outside of the default `page-cache` directory, you will need to set the cache path prior to forgetting the files, and the artisan command with no longer work (until it is updated to support custom cache paths).
+
+```php
+tap(app()->make(Cache::class))->setCachePath('page-cache-laravel')->forget(route('home', [], false));
+```
+
 ## License
 
 The Page Cache package is open-sourced software licensed under the [MIT license](https://opensource.org/licenses/MIT).

src/Middleware/CacheResponse.php

@@ -31,13 +31,15 @@ public function __construct(Cache $cache)
      *
      * @param  \Symfony\Component\HttpFoundation\Request  $request
      * @param  \Closure  $next
+     * @param  string|null  $path
      * @return mixed
      */
-    public function handle(Request $request, Closure $next)
+    public function handle(Request $request, Closure $next, $path = null)
     {
         $response = $next($request);
 
         if ($this->shouldCache($request, $response)) {
+            $this->cache->setCachePath($path);
             $this->cache->cache($request, $response);
         }