[BUILD SUCCESS] [BUILD FAIL] [BUILD FAIL] [BUILD FAIL] Feature 64 이메일 전송 api 구현

build.gradle

@@ -52,6 +52,9 @@ dependencies {
 
     // jpa json 타입
     implementation 'io.hypersistence:hypersistence-utils-hibernate-55:3.5.2'
+
+    //spring boot starter mail
+    implementation 'org.springframework.boot:spring-boot-starter-mail'
 }
 
 tasks.named('test') {

src/main/java/com/example/demo/config/MailConfig.java

@@ -0,0 +1,43 @@
+package com.example.demo.config;
+
+import java.util.Properties;
+
+import org.springframework.beans.factory.annotation.Value;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.mail.javamail.JavaMailSender;
+import org.springframework.mail.javamail.JavaMailSenderImpl;
+
+@Configuration
+public class MailConfig {
+
+	@Value("${spring.mail.host}")
+	private String host;
+	@Value("${spring.mail.port}")
+	private int port;
+	@Value("${spring.mail.username}")
+	private String username;
+	@Value("${spring.mail.password}")
+	private String password;
+	@Value("${spring.mail.properties.mail.smtp.auth}")
+	private String auth;
+	@Value("${spring.mail.properties.mail.smtp.starttls.enable}")
+	private String enable;
+
+	@Bean
+	public JavaMailSender javaMailSender() {
+		JavaMailSenderImpl mailSender = new JavaMailSenderImpl();
+		mailSender.setHost(host);
+		mailSender.setPort(port);
+		mailSender.setUsername(username);
+		mailSender.setPassword(password);
+
+		Properties props = mailSender.getJavaMailProperties();
+		props.put("mail.transport.protocol", "smtp");
+		props.put("mail.smtp.auth", auth);
+		props.put("mail.smtp.starttls.enable", enable);
+		props.put("mail.debug", "true");
+
+		return mailSender;
+	}
+}

src/main/java/com/example/demo/controller/MailController.java

@@ -0,0 +1,30 @@
+package com.example.demo.controller;
+
+import org.springframework.http.ResponseEntity;
+import org.springframework.stereotype.Controller;
+import org.springframework.web.bind.annotation.PostMapping;
+import org.springframework.web.bind.annotation.RequestBody;
+import org.springframework.web.bind.annotation.RequestHeader;
+
+import com.example.demo.domain.auth.CafegoryTokenManager;
+import com.example.demo.dto.EmailSendRequest;
+import com.example.demo.dto.EmailTemplateResponse;
+import com.example.demo.service.MailService;
+
+import lombok.RequiredArgsConstructor;
+
+@Controller
+@RequiredArgsConstructor
+public class MailController {
+
+	private final CafegoryTokenManager cafegoryTokenManager;
+	private final MailService mailService;
+
+	@PostMapping("/email")
+	public ResponseEntity<EmailTemplateResponse> sendEmail(
+		@RequestHeader("Authorization") String authorization, @RequestBody EmailSendRequest request) {
+		cafegoryTokenManager.getIdentityId(authorization);
+		EmailTemplateResponse response = mailService.sendEmail(request);
+		return ResponseEntity.ok(response);
+	}
+}

src/main/java/com/example/demo/domain/EmailSender.java

@@ -0,0 +1,6 @@
+package com.example.demo.domain;
+
+public interface EmailSender {
+
+	void sendSimpleMessage(String to, String subject, String text);
+}

src/main/java/com/example/demo/domain/EmailSenderImpl.java

@@ -0,0 +1,28 @@
+package com.example.demo.domain;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.beans.factory.annotation.Value;
+import org.springframework.mail.SimpleMailMessage;
+import org.springframework.mail.javamail.JavaMailSender;
+import org.springframework.stereotype.Component;
+
+@Component
+public class EmailSenderImpl implements EmailSender {
+
+	@Autowired
+	private JavaMailSender mailSender;
+
+	@Value("${mail.from}")
+	private String mailFrom;
+
+	@Override
+	public void sendSimpleMessage(String to, String subject, String text) {
+		SimpleMailMessage message = new SimpleMailMessage();
+		//setFrom에 들어가는 이메일 주소는 실제 발송 주소와 관련이 없다.
+		message.setFrom(mailFrom);
+		message.setTo(to);
+		message.setSubject(subject);
+		message.setText(text);
+		mailSender.send(message);
+	}
+}

src/main/java/com/example/demo/domain/EmailTemplate.java

@@ -0,0 +1,18 @@
+package com.example.demo.domain;
+
+import lombok.Getter;
+
+@Getter
+public enum EmailTemplate {
+
+	STUDYONCE_LOCATION_CHANGED("[Cafegory] 카페 장소가 변경되었습니다.", "자세한 내용은 마이페이지를 확인 해 주세요.");
+
+	EmailTemplate(String subject, String content) {
+		this.subject = subject;
+		this.content = content;
+	}
+
+	private final String subject;
+	private final String content;
+
+}

src/main/java/com/example/demo/dto/EmailSendRequest.java

@@ -0,0 +1,20 @@
+package com.example.demo.dto;
+
+import java.util.List;
+
+import lombok.Getter;
+
+@Getter
+public class EmailSendRequest {
+
+	private String messageType;
+	private List<Long> memberIds;
+
+	public EmailSendRequest() {
+	}
+
+	public EmailSendRequest(String messageType, List<Long> memberIds) {
+		this.messageType = messageType;
+		this.memberIds = memberIds;
+	}
+}

src/main/java/com/example/demo/dto/EmailTemplateResponse.java

@@ -0,0 +1,12 @@
+package com.example.demo.dto;
+
+import lombok.Getter;
+import lombok.RequiredArgsConstructor;
+
+@Getter
+@RequiredArgsConstructor
+public class EmailTemplateResponse {
+
+	private final String title;
+	private final String content;
+}

src/main/java/com/example/demo/service/MailService.java

@@ -0,0 +1,9 @@
+package com.example.demo.service;
+
+import com.example.demo.dto.EmailSendRequest;
+import com.example.demo.dto.EmailTemplateResponse;
+
+public interface MailService {
+
+	EmailTemplateResponse sendEmail(EmailSendRequest request);
+}

src/main/java/com/example/demo/service/MailServiceImpl.java

@@ -0,0 +1,38 @@
+package com.example.demo.service;
+
+import static com.example.demo.exception.ExceptionType.*;
+
+import org.springframework.stereotype.Service;
+
+import com.example.demo.domain.EmailSender;
+import com.example.demo.domain.EmailTemplate;
+import com.example.demo.domain.MemberImpl;
+import com.example.demo.dto.EmailSendRequest;
+import com.example.demo.dto.EmailTemplateResponse;
+import com.example.demo.exception.CafegoryException;
+import com.example.demo.repository.MemberRepository;
+
+import lombok.RequiredArgsConstructor;
+
+@Service
+@RequiredArgsConstructor
+public class MailServiceImpl implements MailService {
+
+	private final EmailSender emailSender;
+	private final MemberRepository memberRepository;
+
+	@Override
+	public EmailTemplateResponse sendEmail(EmailSendRequest request) {
+		EmailTemplate template = EmailTemplate.valueOf(request.getMessageType());
+		for (Long memberId : request.getMemberIds()) {
+			emailSender.sendSimpleMessage(findMemberById(memberId).getEmail(), template.getSubject(),
+				template.getContent());
+		}
+		return new EmailTemplateResponse(template.getSubject(), template.getContent());
+	}
+
+	private MemberImpl findMemberById(Long memberId) {
+		return memberRepository.findById(memberId)
+			.orElseThrow(() -> new CafegoryException(MEMBER_NOT_FOUND));
+	}
+}

src/test/resources/application.yml

@@ -12,6 +12,19 @@ spring:
     properties:
       hibernate:
         format_sql: true #이쁘게 해줌
+  mail:
+    host: smtp.gmail.com
+    port: 587
+    username: [email protected]
+    password: test cafe gory pass
+
+    properties:
+      mail:
+        smtp:
+          auth: true
+          starttls:
+            enable: true
+
 logging:
   level:
     org.hibernate.SQL: trace #콘솔에 남기는게 아니라 로그로 남음.
@@ -30,6 +43,8 @@ oauth:
       auth: https://nid.naver.com
       api: https://openapi.naver.com
 
-
 jwt:
   secret: 01234567890123456789012345678901234567890123456789
+
+mail:
+  from: [email protected]