Created cache class to handle caching results

Author: hmerritt

src/Cache.php

@@ -0,0 +1,87 @@
+<?php
+namespace hmerritt;
+
+/**
+*  Class Cache
+*
+*
+* @package hmerritt/imdb-api
+* @author Harry Merritt
+*/
+class Cache
+{
+
+    /**
+     * Initiate cache database
+     *
+     * @var \Filebase\Database
+     */
+    private $cache = new \Filebase\Database([
+        'dir'            => __DIR__ . DIRECTORY_SEPARATOR . 'cache/films/',
+        'backupLocation' => __DIR__ . DIRECTORY_SEPARATOR . 'cache/films/backups/',
+        'format'         => \Filebase\Format\Json::class,
+        'cache'          => true,
+        'cache_expires'  => 31540000,
+        'pretty'         => false
+    ]);
+
+    /**
+     * Add (or modify) an item in the cache
+     *
+     * @param string $key
+     * @param string $value
+     * @return bool
+     */
+    public function add(string $key, $value)
+    {
+        $file = $this->get($key);
+        $file->film = $value;
+        $file->save();
+        return true;
+    }
+
+    /**
+     * Counts all files in the cache
+     *
+     * @return int
+     */
+    public function count(): int
+    {
+        return $this->$cache->count();
+    }
+
+    /**
+     * Deletes an item from the cache
+     *
+     * @return bool
+     */
+    public function delete(string $key): bool
+    {
+        $file = $this->get($key);
+        $file->delete();
+        return true;
+    }
+
+    /**
+     * Check if an item exists in the cache
+     *
+     * @param string $key
+     * @return bool
+     */
+    public function exists(string $key): bool
+    {
+        return $this->$cache->has($key);
+    }
+
+    /**
+     * Get an item from the cache
+     *
+     * @param string $key
+     * @return array
+     */
+    public function get(string $key): array
+    {
+        return $this->$cache->get($key);
+    }
+
+}

tests/index.php

@@ -14,7 +14,7 @@
 // Initialise Imdb
 // Load film data
 $imdb = new Imdb();
-$film = $imdb->search($q);  // tt0816692  tt8633464
+$film = $imdb->film($q);  // tt0816692  tt8633464
 
 // Return loaded film data
 echo json_encode($film, JSON_PRETTY_PRINT);