refactor: add ResponseCache::$ttl and use it

Author: kenjis

system/Cache/ResponseCache.php

@@ -37,6 +37,13 @@ class ResponseCache
      */
     protected $cacheQueryString = false;
 
+    /**
+     * Cache time to live.
+     *
+     * @var int seconds
+     */
+    protected int $ttl = 0;
+
     protected CacheInterface $cache;
 
     public function __construct(CacheConfig $config, CacheInterface $cache)
@@ -45,6 +52,21 @@ public function __construct(CacheConfig $config, CacheInterface $cache)
         $this->cache            = $cache;
     }
 
+    public function getTtl(): int
+    {
+        return $this->ttl;
+    }
+
+    /**
+     * @return $this
+     */
+    public function setTtl(int $ttl)
+    {
+        $this->ttl = $ttl;
+
+        return $this;
+    }
+
     /**
      * Generates the cache key to use from the current request.
      *
@@ -71,10 +93,8 @@ public function generateCacheKey($request): string
      * Caches the full response from the current request.
      *
      * @param CLIRequest|IncomingRequest $request
-     *
-     * @params int $ttl time to live in seconds.
      */
-    public function make($request, ResponseInterface $response, int $ttl): bool
+    public function make($request, ResponseInterface $response): bool
     {
         $headers = [];
 
@@ -85,7 +105,7 @@ public function make($request, ResponseInterface $response, int $ttl): bool
         return $this->cache->save(
             $this->generateCacheKey($request),
             serialize(['headers' => $headers, 'output' => $response->getBody()]),
-            $ttl
+            $this->ttl
         );
     }
 

system/CodeIgniter.php

@@ -128,6 +128,8 @@ class CodeIgniter
      * Cache expiration time
      *
      * @var int seconds
+     *
+     * @deprecated 4.4.0 Moved to ResponseCache::$ttl. No longer used.
      */
     protected static $cacheTTL = 0;
 
@@ -338,7 +340,7 @@ public function run(?RouteCollectionInterface $routes = null, bool $returnRespon
             );
         }
 
-        static::$cacheTTL  = 0;
+        $this->pageCache->setTtl(0);
         $this->bufferLevel = ob_get_level();
 
         $this->startBenchmark();
@@ -525,8 +527,8 @@ protected function handleRequest(?RouteCollectionInterface $routes, Cache $cache
             // Cache it without the performance metrics replaced
             // so that we can have live speed updates along the way.
             // Must be run after filters to preserve the Response headers.
-            if (static::$cacheTTL > 0) {
-                $this->pageCache->make($this->request, $this->response, static::$cacheTTL);
+            if ($this->pageCache->getTtl() > 0) {
+                $this->pageCache->make($this->request, $this->response);
             }
 
             // Update the performance metrics
@@ -699,6 +701,8 @@ public function displayCache(Cache $config)
 
     /**
      * Tells the app that the final output should be cached.
+     *
+     * @deprecated 4.4.0 Moved to ResponseCache::setTtl(). to No longer used.
      */
     public static function cache(int $time)
     {

system/Controller.php

@@ -104,12 +104,13 @@ protected function forceHTTPS(int $duration = 31_536_000)
     }
 
     /**
-     * Provides a simple way to tie into the main CodeIgniter class and
-     * tell it how long to cache the current page for.
+     * How long to cache the current page for.
+     *
+     * @params int $time time to live in seconds.
      */
     protected function cachePage(int $time)
     {
-        CodeIgniter::cache($time);
+        Services::responsecache()->setTtl($time);
     }
 
     /**

tests/system/Cache/ResponseCacheTest.php

@@ -88,7 +88,7 @@ private function createResponseCache(?CacheConfig $cacheConfig = null): Response
 
         $cacheConfig ??= new CacheConfig();
 
-        return new ResponseCache($cacheConfig, $cache);
+        return (new ResponseCache($cacheConfig, $cache))->setTtl(300);
     }
 
     public function testCachePageIncomingRequest()
@@ -101,7 +101,7 @@ public function testCachePageIncomingRequest()
         $response->setHeader('ETag', 'abcd1234');
         $response->setBody('The response body.');
 
-        $return = $pageCache->make($request, $response, 300);
+        $return = $pageCache->make($request, $response);
 
         $this->assertTrue($return);
 
@@ -141,7 +141,7 @@ public function testCachePageIncomingRequestWithCacheQueryString()
         $response->setHeader('ETag', 'abcd1234');
         $response->setBody('The response body.');
 
-        $return = $pageCache->make($request, $response, 300);
+        $return = $pageCache->make($request, $response);
 
         $this->assertTrue($return);
 
@@ -176,7 +176,7 @@ public function testCachePageCLIRequest()
         $response = new Response($this->appConfig);
         $response->setBody('The response body.');
 
-        $return = $pageCache->make($request, $response, 300);
+        $return = $pageCache->make($request, $response);
 
         $this->assertTrue($return);
 
@@ -210,7 +210,7 @@ public function testUnserializeError()
         $response->setHeader('ETag', 'abcd1234');
         $response->setBody('The response body.');
 
-        $pageCache->make($request, $response, 300);
+        $pageCache->make($request, $response);
 
         $cacheKey = $pageCache->generateCacheKey($request);
 
@@ -236,7 +236,7 @@ public function testInvalidCacheError()
         $response->setHeader('ETag', 'abcd1234');
         $response->setBody('The response body.');
 
-        $pageCache->make($request, $response, 300);
+        $pageCache->make($request, $response);
 
         $cacheKey = $pageCache->generateCacheKey($request);
 

tests/system/CodeIgniterTest.php

@@ -838,7 +838,7 @@ public function testPageCacheWithCacheQueryString(
             $routePath = explode('?', $testingUrl)[0];
             $string    = 'This is a test page, to check cache configuration';
             $routes->add($routePath, static function () use ($string) {
-                CodeIgniter::cache(60);
+                Services::responsecache()->setTtl(60);
                 $response = Services::response();
 
                 return $response->setBody($string);