added shouldUpdate flag to allow cache to be refreshed

Author: williamhuntjr

src/Memoize.php

@@ -7,11 +7,12 @@ interface Memoize
     /**
      * Gets the value stored in the cache or uses the passed function to compute the value and save to cache.
      *
-     * @param string   $key       The key to fetch
-     * @param callable $compute   A function to run if the value was not cached that will return the result.
-     * @param int      $cacheTime The number of seconds to cache the response for, or null to not expire it ever.
+     * @param string   $key          The key to fetch
+     * @param callable $compute      A function to run if the value was not cached that will return the result.
+     * @param int      $cacheTime    The number of seconds to cache the response for, or null to not expire it ever.
+     * @param bool     $shouldUpdate Sets whether the cache should update itself during the call.
      *
      * @return mixed The data requested, optionally pulled from cache
      */
-    public function memoizeCallable(string $key, callable $compute, int $cacheTime = null);
+    public function memoizeCallable(string $key, callable $compute, int $cacheTime = null, bool $shouldUpdate = false);
 }

src/Memory.php

@@ -22,10 +22,11 @@ class Memory implements Memoize
      * @param string   $key
      * @param callable $compute
      * @param int|null $cacheTime
+     * @param bool     $shouldUpdate
      *
      * @return mixed
      */
-    public function memoizeCallable(string $key, callable $compute, int $cacheTime = null)
+    public function memoizeCallable(string $key, callable $compute, int $cacheTime = null, $shouldUpdate = false)
     {
         if (array_key_exists($key, $this->cache)) {
             return $this->cache[$key];

src/None.php

@@ -16,10 +16,11 @@ class None implements Memoize
      * @param string   $key
      * @param callable $compute
      * @param int|null $cacheTime
+     * @param bool     $shouldUpdate
      *
      * @return mixed
      */
-    public function memoizeCallable(string $key, callable $compute, int $cacheTime = null)
+    public function memoizeCallable(string $key, callable $compute, int $cacheTime = null, $shouldUpdate = false)
     {
         return call_user_func($compute);
     }

src/Predis.php

@@ -65,10 +65,11 @@ public function __construct(
      * @param string   $key
      * @param callable $compute
      * @param int|null $cacheTime
+     * @param bool     $shouldUpdate
      *
      * @return mixed
      */
-    public function memoizeCallable(string $key, callable $compute, int $cacheTime = null)
+    public function memoizeCallable(string $key, callable $compute, int $cacheTime = null, bool $shouldUpdate = false)
     {
         if (!$this->refresh) {
             try {
@@ -84,9 +85,12 @@ public function memoizeCallable(string $key, callable $compute, int $cacheTime =
                 }
 
                 $cached = $this->client->get($key);
-                if ($cached !== null) {
-                    $data = json_decode($cached, true);
-                    return $data['result'];
+                if ($shouldUpdate === false) {
+                    $cached = $this->client->get($key);
+                    if ($cached !== null) {
+                        $data = json_decode($cached, true);
+                        return $data['result'];
+                    }
                 }
             } catch (\Exception $e) {
                 return $this->getData($key, $compute, $cacheTime);