Implements Storage Cache Adapter

src/Converter/Converter.php

@@ -2,16 +2,19 @@
 
 namespace Brunoinds\FrankfurterLaravel\Converter;
 
-use Illuminate\Support\Facades\Cache;
+use Brunoinds\FrankfurterLaravel\Store\Store;
 use DateTime;
 use Carbon\Carbon;
 
 
 class Converter{
-    public static function convertFromTo(DateTime $date, float $amount, string $from, string $to){
+    public static Store|null $store = null;
+    public static function convertFromTo(DateTime $date, float $amount, string $from, string $to)
+    {
         return Converter::fetchConvertion($date, $amount, $from, $to);
     }
-    private static function fetchConvertion(DateTime $date, float $amount, string $from, string $to){
+    private static function fetchConvertion(DateTime $date, float $amount, string $from, string $to)
+    {
         if ($date->format('Y-m-d') > Carbon::now()->timezone('America/Lima')->format('Y-m-d')){
             $date = Carbon::now()->timezone('America/Lima')->toDateTime();
         }
@@ -23,7 +26,7 @@ private static function fetchConvertion(DateTime $date, float $amount, string $f
         $curlURL = 'https://api.frankfurter.app/' . $dateString . '?from=' . $from . '&to=' . $to . '&amount=' . $amount;
 
         $stores = [];
-        $cachedValue = Cache::store('file')->get('Brunoinds/FrankfurterLaravelStore');
+        $cachedValue = Converter::$store->get();
         if ($cachedValue){
             $stores = json_decode($cachedValue, true);
             if (isset($stores[$curlURL])){
@@ -54,14 +57,17 @@ private static function fetchConvertion(DateTime $date, float $amount, string $f
 
         try {
             $rate = $results['rates'][$to];
-
             $stores[$curlURL] = $rate;
-            Cache::store('file')->put('Brunoinds/FrankfurterLaravelStore', json_encode($stores));
+        } catch (\Throwable $th) {
+            throw new \Exception('Error while parsing the conversion rate. The API response was: ' . $response);
+        }
 
+        try {
+            Converter::$store->set(json_encode($stores));
             return $rate;
         } catch (\Throwable $th) {
-            throw new \Exception('Invalid JSON response: "' . json_last_error_msg(). '". The API response was: ' . $response);
+            throw $th;
+            throw new \Exception('Error while storing the conversion rate. If you are using a custom adapter, please make sure it is working correctly. The API response was: ' . $response);
         }
     }
-
 }

src/Exchange.php

@@ -5,6 +5,8 @@
 
 use DateTime;
 use Brunoinds\FrankfurterLaravel\ExchangeDate\ExchangeDate;
+use Brunoinds\FrankfurterLaravel\Store\Store;
+use Brunoinds\FrankfurterLaravel\Converter\Converter;
 
 class Exchange{
     public static function on(DateTime $date): ExchangeDate
@@ -14,4 +16,9 @@ public static function on(DateTime $date): ExchangeDate
     public static function now():ExchangeDate{
         return new ExchangeDate(new DateTime());
     }
+
+    public static function useStore(Store $store) :void
+    {
+        Converter::$store = $store;
+    }
 }

src/ExchangeDate/ExchangeDate.php

@@ -6,11 +6,16 @@
 use Brunoinds\FrankfurterLaravel\Enums\Currency;
 use Brunoinds\FrankfurterLaravel\ExchangeTransaction\ExchangeTransaction;
 use DateTime;
+use Brunoinds\FrankfurterLaravel\Store\Store;
 
 class ExchangeDate{
     public DateTime $date;
 
     public function __construct(DateTime $date){
+        if (!Converter::$store){
+            Converter::$store = Store::newFromLaravelCache();
+        }
+
         $this->date = $date;
     }
 

src/Store/Store.php

@@ -0,0 +1,56 @@
+<?php
+
+namespace Brunoinds\FrankfurterLaravel\Store;
+
+use Illuminate\Support\Facades\Cache;
+
+class Store{
+    private mixed $store;
+
+    private function __construct(mixed $store)
+    {
+        $this->store = $store;
+    }
+
+    public function get()
+    {
+        return $this->store->get();
+    }
+
+    public function set(string $value)
+    {
+        return $this->store->set($value);
+    }
+    public static function newFromLaravelCache($store = 'file')
+    {
+        return new self(new StoreLaravelCache($store));
+    }
+
+    public static function newFromAdapter(mixed $adapter)
+    {
+        if (!method_exists($adapter, 'get') || !method_exists($adapter, 'set')){
+            throw new \Exception('The adapter must have the methods get and set');
+        }
+        return new self($adapter);
+    }
+}
+
+
+class StoreLaravelCache
+{
+    private string $store;
+    public function __construct(string $store = 'file')
+    {
+        $this->store = $store;
+    }
+
+    public function get()
+    {
+        return Cache::store($this->store)->get('Brunoinds/FrankfurterLaravelStore');
+    }
+
+    public function set(string $value)
+    {
+        Cache::store($this->store)->put('Brunoinds/FrankfurterLaravelStore', $value);
+    }
+}