Renamed web directory to jumpapp

2026-05-06 22:46:49 +02:00 · 2022-02-04 10:47:59 +00:00
parent 46fffeb46e
commit 381d271f96
33 changed files with 3 additions and 3 deletions
--- a/jumpapp/classes/Cache.php
+++ b/jumpapp/classes/Cache.php
@@ -0,0 +1,77 @@
+<?php
+
+namespace Jump;
+
+use Nette\Caching;
+
+class Cache {
+
+    private Caching\Storages\FileStorage $storage;
+
+    /**
+     * The definition of various caches used throughout the application.
+     *
+     * @var array Multidimensional array
+     */
+    private array $caches;
+    private Config $config;
+
+    /**
+     * Creates file storage for cache and initialises cache objects for each
+     * name/type specified in $caches definition.
+     */
+    public function __construct(Config $config) {
+        $this->config = $config;
+        // Define the various caches used throughout the app.
+        $this->caches = [
+            'sites' => [
+                'cache' => null,
+                'expirationtype' => Caching\Cache::FILES,
+                'expirationparams' => $config->get('sitesfile')
+            ],
+            'templates/sites' => [
+                'cache' => null,
+                'expirationtype' => Caching\Cache::FILES,
+                'expirationparams' => [
+                    __DIR__.'/../config.php',
+                    $config->get('sitesfile'),
+                    $config->get('templatedir').'/sites.mustache'
+                ]
+            ]
+        ];
+        // Inititalise file storage for cache using cachedir path from config.
+        $this->storage = new Caching\Storages\FileStorage($this->config->get('cachedir').'/application');
+        // Initialise a cache object for each cache name/type specified in caches array.
+        array_walk($this->caches, function(&$cachedef, $cachename) {
+            $cachedef['cache'] = new Caching\Cache($this->storage, $cachename);
+        });
+    }
+
+    /**
+     * Read the specified item from the cache or generate it, mostly a wrapper
+     * around Nette\Caching\Cache::load().
+     *
+     * @param string $cachename The name of a cache type, must match a key in $caches definition.
+     * @param callable $callback The code from which the result should be stored in cache.
+     * @return mixed The result of callback function retreieved from cache.
+     */
+    public function load(string $cachename, callable $callback): mixed {
+        // If cachebypass has been set in config.php then just execute the callback.
+        if ($this->config->parse_bool($this->config->get('cachebypass'))) {
+            return $callback();
+        }
+        // We can only work with caches that have already been defined.
+        if (!array_key_exists($cachename, $this->caches)) {
+            throw new \Exception('Cache name not found ('.$cachename.')');
+        }
+        // Retrieve the initialised cache object from $caches, defines the caches expiry
+        // and executes the callback.
+        return $this->caches[$cachename]['cache']->load($cachename,
+            function (&$dependencies) use ($callback, $cachename) {
+                $dependencies[$this->caches[$cachename]['expirationtype']] = $this->caches[$cachename]['expirationparams'];
+                return $callback();
+            }
+        );
+    }
+
+}