EmailService.java
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package com.ecommerce.notification.service;
import com.ecommerce.notification.model.Notification;
import com.ecommerce.notification.model.dto.EmailRequest;
import lombok.RequiredArgsConstructor;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.mail.javamail.JavaMailSender;
import org.springframework.mail.javamail.MimeMessageHelper;
import org.springframework.stereotype.Service;
import javax.mail.MessagingException;
import javax.mail.internet.MimeMessage;
import java.util.Map;
@Slf4j
@Service
@RequiredArgsConstructor
public class EmailService {
private final JavaMailSender mailSender;
private final TemplateService templateService;
@Value("${spring.mail.username:no-reply@ecommerce.com}")
private String fromEmail;
@Value("${spring.mail.from-name:E-Commerce}")
private String fromName;
public boolean sendEmail(Notification notification) {
try {
MimeMessage message = mailSender.createMimeMessage();
MimeMessageHelper helper = new MimeMessageHelper(message, true, "UTF-8");
helper.setFrom(fromEmail, fromName);
helper.setTo(notification.getEmail());
helper.setSubject(notification.getSubject());
helper.setText(notification.getContent(), true); // HTML content
mailSender.send(message);
log.info("Email sent successfully to: {}", notification.getEmail());
return true;
} catch (Exception e) {
log.error("Failed to send email to {}: {}", notification.getEmail(), e.getMessage());
return false;
}
}
public boolean sendEmail(EmailRequest request) {
try {
MimeMessage message = mailSender.createMimeMessage();
MimeMessageHelper helper = new MimeMessageHelper(message, true, "UTF-8");
helper.setFrom(fromEmail, fromName);
helper.setTo(request.getTo());
if (request.getCc() != null) {
helper.setCc(request.getCc());
}
if (request.getBcc() != null) {
helper.setBcc(request.getBcc());
}
helper.setSubject(request.getSubject());
// Process template if provided
String content = request.getContent();
if (request.getTemplateName() != null) {
Map<String, Object> templateResult = templateService.processTemplate(
request.getTemplateName(),
"EMAIL",
request.getVariables()
);
content = (String) templateResult.get("content");
}
helper.setText(content, request.getIsHtml());
mailSender.send(message);
log.info("Email sent successfully to: {}", request.getTo());
return true;
} catch (Exception e) {
log.error("Failed to send email to {}: {}", request.getTo(), e.getMessage());
return false;
}
}
public void sendBulkEmail(String[] toEmails, String subject, String content, boolean isHtml) {
for (String email : toEmails) {
try {
MimeMessage message = mailSender.createMimeMessage();
MimeMessageHelper helper = new MimeMessageHelper(message, true, "UTF-8");
helper.setFrom(fromEmail, fromName);
helper.setTo(email);
helper.setSubject(subject);
helper.setText(content, isHtml);
mailSender.send(message);
log.info("Bulk email sent successfully to: {}", email);
} catch (Exception e) {
log.error("Failed to send bulk email to {}: {}", email, e.getMessage());
}
}
}
}