69 lines
2.3 KiB
Java
69 lines
2.3 KiB
Java
package com.rit.whatsapp.service;
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import org.springframework.beans.factory.annotation.Value;
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import org.springframework.http.HttpEntity;
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import org.springframework.http.HttpHeaders;
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import org.springframework.http.MediaType;
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import org.springframework.http.ResponseEntity;
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import org.springframework.stereotype.Service;
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import org.springframework.web.client.RestTemplate;
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import java.util.HashMap;
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import java.util.Map;
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@Service
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public class WhatsAppMessageService {
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@Value("${whatsapp.api-token}")
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private String apiToken;
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@Value("${whatsapp.phone-number-id}")
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private String phoneNumberId;
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private final RestTemplate restTemplate;
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public WhatsAppMessageService() {
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this.restTemplate = new RestTemplate();
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}
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public void sendMessage(String toPhoneNumber, String messageText) {
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Map<String, Object> payload = new HashMap<>();
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payload.put("messaging_product", "whatsapp");
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payload.put("to", toPhoneNumber);
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payload.put("type", "text");
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Map<String, String> textPayload = new HashMap<>();
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textPayload.put("body", messageText);
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payload.put("text", textPayload);
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executePost(payload);
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}
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public void sendInteractiveMessage(String toPhoneNumber, Map<String, Object> interactiveObject) {
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Map<String, Object> payload = new HashMap<>();
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payload.put("messaging_product", "whatsapp");
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payload.put("to", toPhoneNumber);
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payload.put("type", "interactive");
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payload.put("interactive", interactiveObject);
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executePost(payload);
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}
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private void executePost(Map<String, Object> payload) {
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String url = "https://graph.facebook.com/v19.0/" + phoneNumberId + "/messages";
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HttpHeaders headers = new HttpHeaders();
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headers.setContentType(MediaType.APPLICATION_JSON);
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headers.setBearerAuth(apiToken);
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HttpEntity<Map<String, Object>> request = new HttpEntity<>(payload, headers);
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try {
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ResponseEntity<String> response = restTemplate.postForEntity(url, request, String.class);
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System.out.println("Message sent successfully. Response: " + response.getBody());
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} catch (Exception e) {
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System.err.println("Failed to send message: " + e.getMessage());
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}
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}
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}
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