Added Redis cache

.env.example

@@ -1,2 +1,7 @@
-APP_SUBDIR=/  # Subpath your app is running, defaults to /
+# APP_SUBDIR=/  # Subpath your app is running, defaults to /
-APP_CACHE=json # Cache engine for TikTok Api, defaults to json (more info on README)
+# APP_CACHE=json # Cache engine for TikTok Api, defaults to json (more info on README)
+
+# Redis, used on Helpers\CahceEngines\RedisCache (CHOOSE ONE)
+
+# REDIS_URL=redis://:password@host:port # If using password
+# REDIS_URL=redis://host:port # If not using password

README.md

@@ -28,6 +28,7 @@ Move the .env.example file to .env and modify it.
 
 ### Cache engine
 Available cache engines:
+* redis: Writes response to Redis (check .env.example for config!)
 * json: Writes response to JSON file
 
 ### Apache

composer.json

@@ -10,7 +10,7 @@
         }
     ],
     "require": {
-        "ext-curl": "*",
+        "ext-redis": "*",
         "ssovit/tiktok-api": "dev-rework",
         "steampixel/simple-php-router": "^0.7.0",
         "latte/latte": "^2.10",

helpers/CacheEngines/RedisCache.php

@@ -0,0 +1,31 @@
+<?php
+namespace Helpers\CacheEngines;
+
+use \Redis;
+
+class RedisCache {
+    private \Redis $client;
+    function __construct(string $host, int $port, ?string $password) {
+        $this->client = new Redis();
+        $this->client->connect($host, $port);
+        if ($password) {
+            $this->client->auth($password);
+        }
+    }
+
+    function __destruct() {
+        $this->client->close();
+    }
+
+    public function get(string $cache_key): object|false {
+        if ($this->client->exists($cache_key)) {
+            $data_string = $this->client->get($cache_key);
+            return json_decode($data_string);
+        }
+        return false;
+    }
+
+    public function set(string $cache_key, mixed $data, $timeout = 3600) {
+        $this->client->set($cache_key, json_encode($data), $timeout);
+    }
+}

helpers/Misc.php

@@ -1,7 +1,9 @@
 <?php
 namespace Helpers;
 
+use Exception;
 use Helpers\CacheEngines\JSONCache;
+use Helpers\CacheEngines\RedisCache;
 use Helpers\Settings;
 
 class Misc {
@@ -28,6 +30,17 @@ class Misc {
                 case 'json':
                     $cacheEngine = new JSONCache();
                     break;
+                case 'redis':
+                    if (!isset($_ENV['REDIS_URL'])) {
+                        throw new Exception('You need to set REDIS_URL to use Redis Cache!');
+                    }
+
+                    $url = parse_url($_ENV['REDIS_URL']);
+                    $host = $url['host'];
+                    $port = $url['port'];
+                    $password = $url['pass'] ?? null;
+                    $cacheEngine = new RedisCache($host, $port, $password);
+                    break;
             }
         }
         $api = new \Sovit\TikTok\Api($options, $cacheEngine);