Add Single Product

README.md

@@ -271,6 +271,24 @@ $whatsapp_cloud_api->sendButton(
 );
 ```
 
+### Send Single Product Message
+```php
+<?php
+
+$catalog_id = '<catalog-id>';
+$sku_id = '<product-sku-id>';
+$body = 'Hello! Here\'s your requested product. Thanks for shopping with us.';
+$footer = 'Subject to T&C';
+
+$whatsapp_cloud_api->sendSingleProduct(
+    '<destination-phone-number>',
+    $catalog_id,
+    $sku_id,
+    $body, // body: optional
+    $footer // footer: optional
+);
+```
+
 ### Replying messages
 
 You can reply a previous sent message:
@@ -410,6 +428,7 @@ Fields list: https://developers.facebook.com/docs/whatsapp/cloud-api/reference/b
 - Send Contacts
 - Send Lists
 - Send Buttons
+- Send Single Product
 - Upload media resources to WhatsApp servers
 - Download media resources from WhatsApp servers
 - Mark messages as read

src/Message/SingleProductMessage.php

@@ -0,0 +1,52 @@
+<?php
+
+namespace Netflie\WhatsAppCloudApi\Message;
+
+final class SingleProductMessage extends Message
+{
+    /**
+     * {@inheritdoc}
+     */
+    protected string $type = 'product';
+
+    private int $catalog_id;
+
+    private string $product_retailer_id;
+
+    private ?string $body;
+
+    private ?string $footer;
+
+    /**
+     * {@inheritdoc}
+     */
+    public function __construct(string $to, int $catalog_id, string $product_retailer_id, ?string $body, ?string $footer, ?string $reply_to)
+    {
+        $this->catalog_id = $catalog_id;
+        $this->product_retailer_id = $product_retailer_id;
+        $this->body = $body;
+        $this->footer = $footer;
+
+        parent::__construct($to, $reply_to);
+    }
+
+    public function catalog_id(): int
+    {
+        return $this->catalog_id;
+    }
+
+    public function product_retailer_id(): string
+    {
+        return $this->product_retailer_id;
+    }
+
+    public function body(): ?string
+    {
+        return $this->body;
+    }
+
+    public function footer(): ?string
+    {
+        return $this->footer;
+    }
+}

src/Request/MessageRequest/RequestSingleProductMessage.php

@@ -0,0 +1,42 @@
+<?php
+
+namespace Netflie\WhatsAppCloudApi\Request\MessageRequest;
+
+use Netflie\WhatsAppCloudApi\Request\MessageRequest;
+
+final class RequestSingleProductMessage extends MessageRequest
+{
+    /**
+     * {@inheritdoc}
+     */
+    public function body(): array
+    {
+        $body = [
+            'messaging_product' => $this->message->messagingProduct(),
+            'recipient_type' => $this->message->recipientType(),
+            'to' => $this->message->to(),
+            'type' => 'interactive',
+            'interactive' => [
+                'type' => $this->message->type(),
+                'action' => [
+                    'catalog_id' => $this->message->catalog_id(),
+                    'product_retailer_id' => $this->message->product_retailer_id(),
+                ],
+            ],
+        ];
+
+        if ($this->message->body()) {
+            $body['interactive']['body'] = ['text' => $this->message->body()];
+        }
+
+        if ($this->message->footer()) {
+            $body['interactive']['footer'] = ['text' => $this->message->footer()];
+        }
+
+        if ($this->message->replyTo()) {
+            $body['context']['message_id'] = $this->message->replyTo();
+        }
+
+        return $body;
+    }
+}

src/WhatsAppCloudApi.php

@@ -413,6 +413,32 @@ public function markMessageAsRead(string $message_id): Response
         return $this->client->sendMessage($request);
     }
 
+    /**
+     * Sends a single product message to a specified recipient.
+     *
+     * @param string $to The WhatsApp ID or phone number for the person you want to send the message to.
+     * @param int $catalog_id The ID of the catalog where the product is located.
+     * @param string $product_retailer_id The retailer-specific ID of the product.
+     * @param string|null $body The body of the message. Defaults to an empty string if not provided.
+     * @param string|null $footer The footer of the message. Defaults to an empty string if not provided.
+     *
+     * @return Response The response object containing the result of the API request.
+     *
+     * @throws Response\ResponseException If there is an error with the API request.
+     */
+    public function sendSingleProduct(string $to, int $catalog_id, string $product_retailer_id, ?string $body = '', ?string $footer = '')
+    {
+        $message = new Message\SingleProductMessage($to, $catalog_id, $product_retailer_id, $body, $footer, $this->reply_to);
+        $request = new Request\MessageRequest\RequestSingleProductMessage(
+            $message,
+            $this->app->accessToken(),
+            $this->app->fromPhoneNumberId(),
+            $this->timeout
+        );
+
+        return $this->client->sendMessage($request);
+    }
+
     /**
      * Get Business Profile
      *

tests/Integration/WhatsAppCloudApiTest.php

@@ -301,6 +301,29 @@ public function test_send_reply_buttons()
         $this->assertEquals(false, $response->isError());
     }
 
+    public function test_send_single_product()
+    {
+        $this->markTestIncomplete(
+            'This test requires real catalog id and product sku id.'
+        );
+
+        $catalog_id = '<catalog-id>';
+        $sku_id = '<product-sku-id>';
+        $body = 'Hello! Here\'s your requested product. Thanks for shopping with us.';
+        $footer = 'Subject to T&C';
+
+        $response = $this->whatsapp_app_cloud_api->sendSingleProduct(
+            WhatsAppCloudApiTestConfiguration::$to_phone_number_id,
+            $catalog_id,
+            $sku_id,
+            $body, // body: optional
+            $footer // footer: optional
+        );
+
+        $this->assertEquals(200, $response->httpStatusCode());
+        $this->assertEquals(false, $response->isError());
+    }
+
     public function test_upload_media()
     {
         $response = $this->whatsapp_app_cloud_api->uploadMedia('tests/Support/netflie.png');

tests/Unit/WhatsAppCloudApiTest.php

@@ -1145,6 +1145,53 @@ public function test_update_business_profile()
         $this->assertEquals(false, $response->isError());
     }
 
+    public function test_send_single_product()
+    {
+        $to = $this->faker->phoneNumber;
+        $url = $this->buildMessageRequestUri();
+        $message = $this->faker->text(1024);
+        $footer = $this->faker->text(60);
+        $catalog_id = $this->faker->randomNumber();
+        $product_retailer_id = $this->faker->uuid();
+
+        $body = [
+            'messaging_product' => 'whatsapp',
+            'recipient_type' => 'individual',
+            'to' => $to,
+            'type' => 'interactive',
+            'interactive' => [
+                'type' => 'product',
+                'body' => ['text' => $message],
+                'footer' => ['text' => $footer],
+                'action' => [
+                    'catalog_id' => $catalog_id,
+                    'product_retailer_id' => $product_retailer_id,
+                ],
+            ],
+        ];
+        $headers = [
+            'Authorization' => 'Bearer ' . $this->access_token,
+        ];
+
+        $this->client_handler
+            ->postJsonData($url, $body, $headers, Argument::type('int'))
+            ->shouldBeCalled()
+            ->willReturn(new RawResponse($headers, $this->successfulMessageNodeResponse(), 200));
+
+        $response = $this->whatsapp_app_cloud_api->sendSingleProduct(
+            $to,
+            $catalog_id,
+            $product_retailer_id,
+            $message,
+            $footer
+        );
+
+        $this->assertEquals(200, $response->httpStatusCode());
+        $this->assertEquals(json_decode($this->successfulMessageNodeResponse(), true), $response->decodedBody());
+        $this->assertEquals($this->successfulMessageNodeResponse(), $response->body());
+        $this->assertEquals(false, $response->isError());
+    }
+
     public function test_mark_a_message_as_read()
     {
         $url = $this->buildMessageRequestUri();