feature: add PostmarkEmailService

Author: Kattsyn

rentplace/src/main/java/kattsyn/dev/rentplace/services/impl/PostmarkEmailServiceImpl.java

@@ -0,0 +1,41 @@
+package kattsyn.dev.rentplace.services.impl;
+
+import com.postmarkapp.postmark.Postmark;
+import com.postmarkapp.postmark.client.ApiClient;
+import com.postmarkapp.postmark.client.exception.PostmarkException;
+import kattsyn.dev.rentplace.exceptions.EmailException;
+import kattsyn.dev.rentplace.services.EmailService;
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.stereotype.Service;
+
+import java.io.IOException;
+
+import com.postmarkapp.postmark.client.data.model.message.Message;
+
+@Service
+@Slf4j
+public class PostmarkEmailServiceImpl implements EmailService {
+
+    private final ApiClient postmarkClient;
+
+    public PostmarkEmailServiceImpl() {
+        String serverToken = "f68fd941-1f63-4e1e-a348-c8232ea2ded6";
+        this.postmarkClient = Postmark.getApiClient(serverToken);
+    }
+
+    @Override
+    public void sendVerificationCode(String email, String code) {
+        log.info("Sending verification code to {}", email);
+        try {
+            Message message = new Message("support@rentplace.online", email, "Код подтверждения", String.format(
+                    "Здравствуйте!\n\nВаш код подтверждения для регистрации: %s\n\nС уважением,\nКоманда rentplace",
+                    code));
+            postmarkClient.deliverMessage(message);
+            log.info("Verification code sent successfully");
+
+        } catch (PostmarkException | IOException e) {
+            throw new EmailException("Postmark error: " + e.getMessage());
+        }
+    }
+}
+