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Refactoring + migrate mail package to server.

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This commit is contained in:
Thatsaphorn
2025-05-04 19:17:26 +02:00
parent eb17e24511
commit cb4eb80105
16 changed files with 147 additions and 157 deletions
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46
backend/common/src/main/java/dev/rheinsw/shared/mail/MailServiceClient.java
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package dev.rheinsw.shared.mail;
import dev.rheinsw.shared.mail.dto.MailRequest;
import lombok.RequiredArgsConstructor;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.http.HttpEntity;
import org.springframework.http.HttpHeaders;
import org.springframework.scheduling.annotation.Async;
import org.springframework.stereotype.Service;
import org.springframework.web.client.RestTemplate;
/**
* @author Thatsaphorn Atchariyaphap
* @since 22.04.25
*/
@Service
@RequiredArgsConstructor
public class MailServiceClient {
private static final Logger log = LoggerFactory.getLogger(MailServiceClient.class);
private final RestTemplate restTemplate;
private static final String MAIL_ENDPOINT = "http://gateway/api/mail";
@Async
public void sendMail(String email, String subject, String userMessage) {
MailRequest request = new MailRequest(email, subject, userMessage);
postEmail(request);
}
private void postEmail(MailRequest request) {
try {
HttpHeaders headers = new HttpHeaders();
HttpEntity<MailRequest> entity = new HttpEntity<>(request, headers);
restTemplate.postForEntity(MAIL_ENDPOINT + "/send", entity, String.class);
} catch (Exception e) {
log.error("Failed to send email to {}: {}", request.getTo(), e.getMessage());
}
}
}

20
backend/common/src/main/java/dev/rheinsw/shared/mail/dto/MailRequest.java
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package dev.rheinsw.shared.mail.dto;
import lombok.AllArgsConstructor;
import lombok.Data;
import lombok.Getter;
import lombok.NoArgsConstructor;
/**
* @author Thatsaphorn Atchariyaphap
* @since 22.04.25
*/
@Data
@Getter
@NoArgsConstructor
@AllArgsConstructor
public class MailRequest {
private String to;
private String subject;
private String message;
}

83
backend/common/src/test/java/dev/rheinsw/shared/mail/MailServiceClientTest.java
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@@ -1,83 +0,0 @@
package dev.rheinsw.shared.mail;
import dev.rheinsw.shared.mail.dto.MailRequest;
import org.junit.jupiter.api.AfterEach;
import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.Test;
import org.mockito.ArgumentCaptor;
import org.mockito.Captor;
import org.mockito.InjectMocks;
import org.mockito.Mock;
import org.mockito.MockitoAnnotations;
import org.springframework.http.HttpEntity;
import org.springframework.web.client.RestTemplate;
import static org.junit.jupiter.api.Assertions.assertDoesNotThrow;
import static org.mockito.Mockito.*;
class MailServiceClientTest {
@Mock
private RestTemplate restTemplate;
@InjectMocks
private MailServiceClient mailServiceClient;
@Captor
private ArgumentCaptor<HttpEntity<MailRequest>> httpEntityCaptor;
private AutoCloseable closeable;
@BeforeEach
void setUp() {
closeable = MockitoAnnotations.openMocks(this);
}
@Test
void sendMail_shouldSendCorrectRequest() {
// Arrange
String email = "user@example.com";
String subject = "Test Subject";
String message = "This is a test message.";
// Act
mailServiceClient.sendMail(email, subject, message);
// Assert
verify(restTemplate).postForEntity(
eq("http://gateway/api/mail/send"),
httpEntityCaptor.capture(),
eq(String.class)
);
MailRequest captured = httpEntityCaptor.getValue().getBody(); // extract the MailRequest
assert captured != null;
assert captured.getTo().equals(email);
assert captured.getSubject().equals(subject);
assert captured.getMessage().equals(message);
}
@Test
void sendMail_shouldHandleExceptionDuringPost() {
// Arrange
String email = "user@example.com";
String subject = "Test Subject";
String message = "This is a test message.";
doThrow(new RuntimeException("Simulated error")).when(restTemplate).postForEntity(
anyString(),
any(),
eq(String.class)
);
// Act & Assert
assertDoesNotThrow(() -> mailServiceClient.sendMail(email, subject, message),
"sendMail should handle exception internally and not throw it");
}
@AfterEach
void tearDown() throws Exception {
closeable.close();
}
}