Project structure change

app/Cache/JSONCache.php

@@ -0,0 +1,33 @@
+<?php
+namespace App\Cache;
+
+class JSONCache {
+    private string $cache_path = __DIR__ . '/../../cache/api';
+
+    function __construct() {
+        if (isset($_ENV['API_CACHE_JSON']) && !empty($_ENV['API_CACHE_JSON'])) {
+            $this->cache_path = $_ENV['API_CACHE_JSON'];
+        }
+    }
+    public function get(string $cache_key): object|false {
+        $filename = $this->cache_path . '/' . $cache_key . '.json';
+        if (is_file($filename)) {
+            $time = time();
+            $json_string = file_get_contents($filename);
+            $element = json_decode($json_string);
+            if ($time < $element->expires) {
+                return $element->data;
+            }
+            // Remove file if expired
+            unlink($filename);
+        }
+        return false;
+    }
+
+    public function set(string $cache_key, mixed $data, $timeout = 3600) {
+        file_put_contents($this->cache_path . '/' . $cache_key . '.json', json_encode([
+            'data' => $data,
+            'expires' => time() + $timeout
+        ]));
+    }
+}

app/Cache/RedisCache.php

@@ -0,0 +1,33 @@
+<?php
+namespace App\Cache;
+
+class RedisCache {
+    private \Redis $client;
+    function __construct(string $host, int $port, ?string $password) {
+        $this->client = new \Redis();
+        if (!$this->client->connect($host, $port)) {
+            throw new \Exception('REDIS: Could not connnect to server');
+        }
+        if ($password) {
+            if (!$this->client->auth($password)) {
+                throw new \Exception('REDIS: Could not authenticate');
+            }
+        }
+    }
+
+    function __destruct() {
+        $this->client->close();
+    }
+
+    public function get(string $cache_key): ?object {
+        $data = $this->client->get($cache_key);
+        if ($data) {
+            return json_decode($data);
+        }
+        return null;
+    }
+
+    public function set(string $cache_key, mixed $data, $timeout = 3600) {
+        $this->client->set($cache_key, json_encode($data), $timeout);
+    }
+}