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wp-content/plugins/shortpixel-image-optimiser/class/Controller/CacheController.php

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+<?php
+namespace ShortPixel\Controller;
+
+if ( ! defined( 'ABSPATH' ) ) {
+ exit; // Exit if accessed directly.
+}
+
+use ShortPixel\ShortPixelLogger\ShortPixelLogger as Log;
+use ShortPixel\Model\CacheModel as CacheModel;
+// Future replacement for everything that needs temporary storage
+// Storage agnostic -> called function should not need to know what is stored where, this is job of controller.
+// Works with cache-model, which handles the data representation and storage.
+//
+
+class CacheController extends \ShortPixel\Controller
+{
+  protected static $cached_items = array();
+
+  public function __construct()
+  {
+  }
+
+  public function storeItem($name, $value, $expires = HOUR_IN_SECONDS)
+  {
+     $cache = $this->getItem($name);
+     $cache->setValue($value);
+     $cache->setExpires($expires);
+
+     $cache->save();
+     $cache = apply_filters('shortpixel/cache/save', $cache, $name);
+     self::$cached_items[$name] = $cache;
+
+     return $cache;
+  }
+
+  /** Store a cacheModel Object.
+  * This can be used after requesting a cache item for instance.
+  *  @param CacheModel $cache The Cache Model Item.
+  */
+  public function storeItemObject(CacheModel $cache)
+  {
+       self::$cached_items[$cache->getName()] = $cache;
+       $cache->save();
+  }
+
+  public function getItem($name)
+  {
+     if (isset(self::$cached_items[$name]))
+      return self::$cached_items[$name];
+
+     $cache = new CacheModel($name);
+     $cache = apply_filters('shortpixel/cache/get', $cache, $name);
+     self::$cached_items[$name] = $cache;
+
+     return $cache;
+  }
+
+  public function deleteItem($name)
+  {
+    $cache = $this->getItem($name);
+
+    if ($cache->exists())
+    {
+      $cache->delete();
+    }
+
+  }
+
+  public function deleteItemObject(CacheModel $cache)
+  {
+    $cache->delete();
+  }
+
+}