ISSUE5 기존의 코드 수정 및 중복 출석체크 시 한번만 insert 하도록 수정 email 알림 서비스 추가

README.md

@@ -2,7 +2,8 @@
 네이버 웍스 같은 사내 게시판 협업 툴 서버
 
 # ERD
-https://user-images.githubusercontent.com/75170367/205051107-97f36259-f782-423d-a3cc-ca9ca6985b7b.png
+![collaboration-board-server png](https://github.com/user-attachments/assets/6e247b48-fc82-4bbd-a0dd-8d0b0883659f)
+
 
 # 기획서
 ### **1. 사용자 관리 (User Management)**

src/main/java/com/commit/collaboration_board_server/controller/EmailController.java

@@ -0,0 +1,70 @@
+package com.commit.collaboration_board_server.controller;
+
+import com.commit.collaboration_board_server.model.MonthlyWorkDate;
+import com.commit.collaboration_board_server.model.User;
+import com.commit.collaboration_board_server.repository.MonthlyWorkDateRepository;
+import com.commit.collaboration_board_server.repository.UserRepository;
+import com.commit.collaboration_board_server.service.EmailService;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.http.HttpStatus;
+import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.*;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import java.util.List;
+
+@RestController
+@RequestMapping("/email")
+public class EmailController {
+
+    private static final Logger logger = LoggerFactory.getLogger(EmailController.class);
+
+    private final UserRepository userRepository;
+    private final MonthlyWorkDateRepository monthlyWorkDateRepository;
+    private final EmailService emailService;
+
+    @Autowired
+    public EmailController(UserRepository userRepository,
+                           MonthlyWorkDateRepository monthlyWorkDateRepository,
+                           EmailService emailService) {
+        this.userRepository = userRepository;
+        this.monthlyWorkDateRepository = monthlyWorkDateRepository;
+        this.emailService = emailService;
+    }
+
+    @PostMapping("/sendToLowWorkTimeUsers")
+    public ResponseEntity<String> sendEmailToLowWorkTimeUsers(@RequestParam String subject, @RequestParam String text) {
+        try {
+            // 160시간 미만일 경우 이메일 발송
+            List<MonthlyWorkDate> lowWorkTimeUsers = monthlyWorkDateRepository.findByTotalWorkTimeLessThan(160);
+
+            if (lowWorkTimeUsers.isEmpty()) {
+                logger.info("No users found with total work time less than 160 hours.");
+                return ResponseEntity.ok("No users found to send emails.");
+            }
+
+            for (MonthlyWorkDate workDate : lowWorkTimeUsers) {
+                String userId = workDate.getUserId();
+                User user = userRepository.findByUserId(userId);
+
+                if (user != null && user.getEmail() != null) {
+                    String email = user.getEmail();
+                    //logger.info("Sending email to userID: {}, email: {}", userId, email);
+
+                    // 이메일 발송
+                    emailService.sendEmail(email, subject, text);
+                    //logger.info("Email sent successfully to {}", email);
+                } else {
+                    logger.warn("User with ID {} does not have a valid email.", userId);
+                }
+            }
+
+            return ResponseEntity.ok("Emails sent to users with total work time less than 160 hours.");
+
+        } catch (Exception e) {
+            logger.error("Error sending emails to users with low work time.", e);
+            return ResponseEntity.status(HttpStatus.INTERNAL_SERVER_ERROR).body("Failed to send emails.");
+        }
+    }
+}

src/main/java/com/commit/collaboration_board_server/model/MonthlyWorkDate.java

@@ -0,0 +1,15 @@
+package com.commit.collaboration_board_server.model;
+
+import jakarta.persistence.*;
+import lombok.Data;
+
+@Entity
+@Data
+@Table(name = "monthly_work_date")
+public class MonthlyWorkDate {
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    @Id
+    private Long id;
+    private String userId;
+    private int totalWorkTime;
+}

src/main/java/com/commit/collaboration_board_server/model/User.java

@@ -2,9 +2,15 @@
 
 import lombok.Data;
 
+import jakarta.persistence.Entity;
+import jakarta.persistence.Id;
+import jakarta.persistence.Table;
 
 @Data
+@Entity
+@Table(name = "user")
 public class User {
+    @Id
     private Long id;
     private String userId;
     private String username;

src/main/java/com/commit/collaboration_board_server/repository/MonthlyWorkDateRepository.java

@@ -0,0 +1,13 @@
+package com.commit.collaboration_board_server.repository;
+
+import com.commit.collaboration_board_server.model.MonthlyWorkDate;
+import org.springframework.data.jpa.repository.JpaRepository;
+import org.springframework.stereotype.Repository;
+
+import java.util.List;
+
+@Repository
+public interface MonthlyWorkDateRepository extends JpaRepository<MonthlyWorkDate, Long> {
+
+    List<MonthlyWorkDate> findByTotalWorkTimeLessThan(int hours);
+}

src/main/java/com/commit/collaboration_board_server/repository/UserRepository.java

@@ -0,0 +1,10 @@
+package com.commit.collaboration_board_server.repository;
+
+import com.commit.collaboration_board_server.model.User;
+import org.springframework.data.jpa.repository.JpaRepository;
+import org.springframework.stereotype.Repository;
+
+@Repository
+public interface UserRepository extends JpaRepository<User, Long> {
+    User findByUserId(String userId);
+}

src/main/java/com/commit/collaboration_board_server/service/EmailService.java

@@ -0,0 +1,25 @@
+package com.commit.collaboration_board_server.service;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.mail.SimpleMailMessage;
+import org.springframework.mail.javamail.JavaMailSender;
+import org.springframework.stereotype.Service;
+
+@Service
+public class EmailService {
+
+    private final JavaMailSender mailSender;
+
+    @Autowired
+    public EmailService(JavaMailSender mailSender) {
+        this.mailSender = mailSender;
+    }
+
+    public void sendEmail(String to, String subject, String text) {
+        SimpleMailMessage message = new SimpleMailMessage();
+        message.setTo(to);
+        message.setSubject(subject);
+        message.setText(text);
+        mailSender.send(message);
+    }
+}

src/main/resources/application.properties

@@ -5,4 +5,14 @@ spring.datasource.url=jdbc:mysql://localhost:3306/board
 spring.datasource.username=root
 spring.datasource.password=1234
 mybatis.mapper-locations=classpath:mapper/*.xml
-mybatis.type-aliases-package=com.commit.collaboration_board_server.model
+mybatis.type-aliases-package=com.commit.collaboration_board_server.model
+
+spring.mail.host=smtp.gmail.com
+spring.mail.port=587
+spring.mail.username[email protected]
+spring.mail.password=ooam ubmt wnwg tgvq
+spring.mail.properties.mail.smtp.auth=true
+spring.mail.properties.mail.smtp.starttls.enable=true
+
+spring.jpa.show-sql=true
+spring.jpa.hibernate.ddl-auto=validate