From 362caf5eb33c0f23bbb29ba689112dee3750b30c Mon Sep 17 00:00:00 2001
From: Mauricio Binda da Costa <mauriciobinda@hotmail.com>
Date: Wed, 8 Mar 2023 19:35:26 -0300
Subject: [PATCH] fix send template messages bug ((#100) The parameter
 template['language']['code'] is required.)

---
 .../api/domain/messages/Language.java         | 22 ++--------
 .../SendTemplateTextMessageExample.java       |  2 +
 .../impl/WhatsappBusinessCloudApiTest.java    | 41 +++++++++++++++++++
 3 files changed, 46 insertions(+), 19 deletions(-)

diff --git a/src/main/java/com/whatsapp/api/domain/messages/Language.java b/src/main/java/com/whatsapp/api/domain/messages/Language.java
index 817f020dd..52c88d570 100644
--- a/src/main/java/com/whatsapp/api/domain/messages/Language.java
+++ b/src/main/java/com/whatsapp/api/domain/messages/Language.java
@@ -1,28 +1,12 @@
 package com.whatsapp.api.domain.messages;
 
 import com.fasterxml.jackson.annotation.JsonInclude;
+import com.fasterxml.jackson.annotation.JsonProperty;
 import com.whatsapp.api.domain.templates.type.LanguageType;
 
 /**
- * The type Language.
+ * @param code Language code. See {@link LanguageType}
  */
 @JsonInclude(JsonInclude.Include.NON_NULL)
-public record Language(LanguageType code) {
-    /**
-     * Instantiates a new Language.
-     *
-     * @param code the code
-     */
-    public Language {
-    }
-
-    /**
-     * Gets code.
-     *
-     * @return the code
-     */
-    @Override
-    public LanguageType code() {
-        return code;
-    }
+public record Language(@JsonProperty("code") LanguageType code) {
 }
diff --git a/src/test/java/com/whatsapp/api/examples/SendTemplateTextMessageExample.java b/src/test/java/com/whatsapp/api/examples/SendTemplateTextMessageExample.java
index 1595c611d..6b2e1f4ee 100644
--- a/src/test/java/com/whatsapp/api/examples/SendTemplateTextMessageExample.java
+++ b/src/test/java/com/whatsapp/api/examples/SendTemplateTextMessageExample.java
@@ -34,5 +34,7 @@ public static void main(String[] args) {
                 );
 
         whatsappBusinessCloudApi.sendMessage(PHONE_NUMBER_ID, message);
+
+
     }
 }
diff --git a/src/test/java/com/whatsapp/api/impl/WhatsappBusinessCloudApiTest.java b/src/test/java/com/whatsapp/api/impl/WhatsappBusinessCloudApiTest.java
index d24e59a6c..4fd7d84b8 100644
--- a/src/test/java/com/whatsapp/api/impl/WhatsappBusinessCloudApiTest.java
+++ b/src/test/java/com/whatsapp/api/impl/WhatsappBusinessCloudApiTest.java
@@ -5,12 +5,18 @@
 import com.whatsapp.api.WhatsappApiFactory;
 import com.whatsapp.api.domain.media.FileType;
 import com.whatsapp.api.domain.messages.AudioMessage;
+import com.whatsapp.api.domain.messages.Component;
 import com.whatsapp.api.domain.messages.DocumentMessage;
 import com.whatsapp.api.domain.messages.ImageMessage;
+import com.whatsapp.api.domain.messages.Language;
 import com.whatsapp.api.domain.messages.Message.MessageBuilder;
 import com.whatsapp.api.domain.messages.StickerMessage;
+import com.whatsapp.api.domain.messages.TemplateMessage;
 import com.whatsapp.api.domain.messages.TextMessage;
+import com.whatsapp.api.domain.messages.TextParameter;
 import com.whatsapp.api.domain.messages.VideoMessage;
+import com.whatsapp.api.domain.templates.type.ComponentType;
+import com.whatsapp.api.domain.templates.type.LanguageType;
 import com.whatsapp.api.exception.WhatsappApiException;
 import com.whatsapp.api.exception.utils.Formatter;
 import mockwebserver3.MockResponse;
@@ -90,6 +96,41 @@ void testSendTextMessage() throws IOException, URISyntaxException, InterruptedEx
         Assertions.assertEquals("wamid.gBGGSFcCNEOPAgkO_KJ55r4w_ww", response.messages().get(0).id());
     }
 
+    @Test
+    void testSendTemplateTextMessage() throws IOException, URISyntaxException, InterruptedException {
+        mockWebServer.enqueue(new MockResponse().setResponseCode(200).setBody(fromResource("/message.json")));
+
+        WhatsappApiFactory factory = WhatsappApiFactory.newInstance(TestConstants.TOKEN);
+
+        WhatsappBusinessCloudApi whatsappBusinessCloudApi = factory.newBusinessCloudApi();
+
+
+        var templateMessage = new TemplateMessage()//
+                .setLanguage(new Language(LanguageType.PT_BR))//
+                .setName("number_confirmation")//
+                .addComponent(//
+                        new Component(ComponentType.BODY)//
+                                .addParameter(new TextParameter("18754269072")//
+                                ));
+
+        var message = MessageBuilder.builder()//
+                .setTo(TestConstants.PHONE_NUMBER_1)//
+                .buildTemplateMessage(templateMessage);
+
+        whatsappBusinessCloudApi.sendMessage(PHONE_NUMBER_ID, message);
+
+        RecordedRequest recordedRequest = mockWebServer.takeRequest();
+        Assertions.assertEquals("POST", recordedRequest.getMethod());
+        Assertions.assertEquals("/" + API_VERSION + "/" + PHONE_NUMBER_ID + "/messages", recordedRequest.getPath());
+
+        var expectedBody = """
+                {"messaging_product":"whatsapp","recipient_type":"individual","to":"%s","type":"template","template":{"components":[{"type":"BODY","parameters":[{"type":"text","text":"18754269072"}]}],"name":"number_confirmation","language":{"code":"pt_BR"}}}""";
+
+        Assertions.assertEquals(String.format(expectedBody, PHONE_NUMBER_1), recordedRequest.getBody().readUtf8());
+
+    }
+
+
     @Test
     void testSendAudioMessage() throws IOException, URISyntaxException, InterruptedException {
         mockWebServer.enqueue(new MockResponse().setResponseCode(200).setBody(fromResource("/message.json")));