Add success response check

src/Client.php

@@ -4,6 +4,7 @@
 
 namespace Inisiatif\WhatsappQontakPhp;
 
+use Inisiatif\WhatsappQontakPhp\Exceptions\ClientSendingException;
 use Webmozart\Assert\Assert;
 use Http\Discovery\Psr18ClientDiscovery;
 use Http\Client\Common\HttpMethodsClient;
@@ -59,17 +60,21 @@ public function send(string $templateId, string $channelId, Message $message): R
             )
         );
 
-        /** @var array $responseBody */
-        $responseBody = \json_decode((string) $response->getBody(), true);
+        if ($response->getStatusCode() >= 200 && $response->getStatusCode() < 300) {
+            /** @var array $responseBody */
+            $responseBody = \json_decode((string) $response->getBody(), true);
 
-        Assert::keyExists($responseBody, 'data');
+            Assert::keyExists($responseBody, 'data');
 
-        /** @var array<string, string|int> $responseData */
-        $responseData = $responseBody['data'];
-        Assert::keyExists($responseData, 'id');
-        Assert::keyExists($responseData, 'name');
+            /** @var array<string, string|int> $responseData */
+            $responseData = $responseBody['data'];
+            Assert::keyExists($responseData, 'id');
+            Assert::keyExists($responseData, 'name');
 
-        return new Response((string) $responseData['id'], (string) $responseData['name'], $responseData);
+            return new Response((string) $responseData['id'], (string) $responseData['name'], $responseData);
+        }
+
+        throw ClientSendingException::make($response);
     }
 
     private function getAccessToken(): void

src/Exceptions/ClientSendingException.php

@@ -0,0 +1,18 @@
+<?php
+
+namespace Inisiatif\WhatsappQontakPhp\Exceptions;
+
+use Exception;
+use Psr\Http\Message\ResponseInterface;
+
+final class ClientSendingException extends Exception
+{
+    public static function make(ResponseInterface $response): self
+    {
+        $reason = (string) $response->getBody();
+
+        $code = $response->getStatusCode();
+
+        return new self($reason, $code);
+    }
+}

tests/ClientTest.php

@@ -4,6 +4,7 @@
 
 namespace Inisiatif\WhatsappQontakPhp\Tests;
 
+use Inisiatif\WhatsappQontakPhp\Exceptions\ClientSendingException;
 use Mockery;
 use PHPUnit\Framework\TestCase;
 use Nyholm\Psr7\Factory\Psr17Factory;
@@ -32,6 +33,7 @@ public function test_send_message(): void
         $mResponse->expects('getBody')->andReturn(
             (new Psr17Factory())->createStream('{"access_token":"access-token","token_type":"bearer","expires_in":31556952,"refresh_token":"refresh-token","created_at":1663138844}')
         );
+        $mResponse->expects('getStatusCode')->andReturn(200)->twice();
         $mResponse->expects('getBody')->andReturn(
             (new Psr17Factory())->createStream('{"status": "success", "data": { "id": "dataId", "name": "Foo Bar"}}')
         );
@@ -46,4 +48,29 @@ public function test_send_message(): void
         $this->assertSame('dataId', $response->getMessageId());
         $this->assertSame(\json_decode('{ "id": "dataId", "name": "Foo Bar"}', true), $response->getData());
     }
+
+    public function test_throw_exception_when_sending_message(): void
+    {
+        $this->expectException(ClientSendingException::class);
+
+        $credential = new Credential('username', 'password', 'clientId', 'secret');
+
+        $receiver = new Receiver('+628000000000', 'Foo bar');
+        $message = new Message($receiver);
+
+        $mResponse = Mockery::mock(ResponseInterface::class);
+        $mResponse->expects('getBody')->andReturn(
+            (new Psr17Factory())->createStream('{"access_token":"access-token","token_type":"bearer","expires_in":31556952,"refresh_token":"refresh-token","created_at":1663138844}')
+        );
+        $mResponse->expects('getStatusCode')->andReturn(422)->times(3);
+        $mResponse->expects('getBody')->andReturn(
+            (new Psr17Factory())->createStream('{"status":"error","error":{"code":422,"messages":["Message Template has 4 variable, please adjust your payload."]}} ')
+        );
+
+        $httpClient = Mockery::mock(HttpMethodsClientInterface::class)->makePartial();
+        $httpClient->expects('post')->andReturn($mResponse)->twice();
+
+        $client = new Client($credential, $httpClient);
+        $client->send('templateId', 'channelId', $message);
+    }
 }