2 files changed, 46 insertions, 34 deletions
diff --git a/app/Core/Cache/BaseCache.php b/app/Core/Cache/BaseCache.php
index 04f8d220..b51c4c0c 100644
--- a/app/Core/Cache/BaseCache.php
+++ b/app/Core/Cache/BaseCache.php
@@ -8,42 +8,9 @@ namespace Kanboard\Core\Cache;
  * @package  Kanboard\Core\Cache
  * @author   Frederic Guillot
  */
-abstract class BaseCache
+abstract class BaseCache implements CacheInterface
 {
     /**
-     * Store an item in the cache
-     *
-     * @access public
-     * @param  string  $key
-     * @param  string  $value
-     */
-    abstract public function set($key, $value);
-
-    /**
-     * Retrieve an item from the cache by key
-     *
-     * @access public
-     * @param  string  $key
-     * @return mixed            Null when not found, cached value otherwise
-     */
-    abstract public function get($key);
-
-    /**
-     * Remove all items from the cache
-     *
-     * @access public
-     */
-    abstract public function flush();
-
-    /**
-     * Remove an item from the cache
-     *
-     * @access public
-     * @param  string  $key
-     */
-    abstract public function remove($key);
-
-    /**
      * Proxy cache
      *
      * Note: Arguments must be scalar types
diff --git a/app/Core/Cache/CacheInterface.php b/app/Core/Cache/CacheInterface.php
new file mode 100644
index 00000000..19bd6ef7
--- /dev/null
+++ b/app/Core/Cache/CacheInterface.php
@@ -0,0 +1,45 @@
+<?php
+
+namespace Kanboard\Core\Cache;
+
+/**
+ * Interface CacheInterface
+ *
+ * @package Kanboard\Core\Cache
+ * @author  Frederic Guillot
+ */
+interface CacheInterface
+{
+    /**
+     * Store an item in the cache
+     *
+     * @access public
+     * @param  string  $key
+     * @param  string  $value
+     */
+    public function set($key, $value);
+
+    /**
+     * Retrieve an item from the cache by key
+     *
+     * @access public
+     * @param  string  $key
+     * @return mixed            Null when not found, cached value otherwise
+     */
+    public function get($key);
+
+    /**
+     * Remove all items from the cache
+     *
+     * @access public
+     */
+    public function flush();
+
+    /**
+     * Remove an item from the cache
+     *
+     * @access public
+     * @param  string  $key
+     */
+    public function remove($key);
+}