Merge branch 'backend' of github.com:TeamBNBN/edufocus into be/Board

backend/build.gradle

@@ -25,8 +25,12 @@ dependencies {
 	implementation group: 'io.livekit', name: 'livekit-server', version: '0.6.1'
 	implementation 'org.projectlombok:lombok'
 	annotationProcessor 'org.projectlombok:lombok'
-	implementation 'org.springdoc:springdoc-openapi-starter-webmvc-ui:2.2.0'
+	implementation 'org.springdoc:springdoc-openapi-starter-webmvc-ui:2.4.0'
+	runtimeOnly group: 'io.jsonwebtoken', name: 'jjwt-jackson', version: '0.11.5'
+	runtimeOnly group: 'io.jsonwebtoken', name: 'jjwt-impl', version: '0.11.5'
+	implementation group: 'io.jsonwebtoken', name: 'jjwt-api', version: '0.11.5'
 
+	implementation group: 'org.glassfish.jaxb', name: 'jaxb-runtime', version: '4.0.5'
 
 }
 

backend/src/main/java/com/edufocus/edufocus/lecture/controller/LectureController.java

@@ -1,6 +1,7 @@
 package com.edufocus.edufocus.lecture.controller;
 
 import com.edufocus.edufocus.lecture.entity.Lecture;
+import com.edufocus.edufocus.lecture.entity.LectureRegist;
 import com.edufocus.edufocus.lecture.service.LectureService;
 import lombok.RequiredArgsConstructor;
 import lombok.extern.slf4j.Slf4j;
@@ -19,26 +20,29 @@ public class LectureController {
     private final LectureService lectureService;
 
     @PostMapping
-    public ResponseEntity<?> createLecture (@RequestBody Lecture lecture) {
+    public ResponseEntity<?> createLecture (@RequestBody long userId, LectureRegist lectureRegist) {
-        lectureService.createLecture(lecture);
+        System.out.println("@@@@@@@@@@@@@@@@@@>>>>>>>>>>>>>>>>>>>>>> "+userId);
+        lectureService.createLecture(userId, lectureRegist);
         return new ResponseEntity<>(HttpStatus.CREATED);
     }
 
     @DeleteMapping("/{lectureId}")
-    public ResponseEntity<?> deleteLecture (@PathVariable long lectureId) {
+    public ResponseEntity<?> deleteLecture (@RequestBody long userId, @PathVariable long lectureId) {
-        lectureService.deleteLecture(lectureId);
+        if (!lectureService.deleteLecture(userId, lectureId)) {
+            return new ResponseEntity<>(HttpStatus.NOT_FOUND);
+        }
+
         return new ResponseEntity<>(HttpStatus.NO_CONTENT);
     }
 
     @GetMapping
     public ResponseEntity<?> findAllLecture () {
         List<Lecture> lectures = lectureService.findAllLecture();
-        return new ResponseEntity<>(lectures, HttpStatus.OK);
+
+        if (lectures.isEmpty()) {
+            return new ResponseEntity<>(HttpStatus.NO_CONTENT);
         }
 
-    @GetMapping("/teacherId/{teacherId}")
-    public ResponseEntity<?> findByTeacherId (@PathVariable String teacherId) {
-        List<Lecture> lectures = lectureService.findLectureByTeacherId(teacherId);
         return new ResponseEntity<>(lectures, HttpStatus.OK);
     }
 
@@ -53,4 +57,6 @@ public class LectureController {
         return new ResponseEntity<>(lecture, HttpStatus.OK);
     }
 
+
+
 }

backend/src/main/java/com/edufocus/edufocus/lecture/entity/Lecture.java

@@ -1,10 +1,14 @@
 package com.edufocus.edufocus.lecture.entity;
 
+
+import com.edufocus.edufocus.user.model.entity.User;
 import jakarta.persistence.*;
 import lombok.Getter;
 import lombok.Setter;
 
+import java.util.ArrayList;
 import java.util.Date;
+import java.util.List;
 
 @Entity
 @Getter
@@ -12,11 +16,13 @@ import java.util.Date;
 public class Lecture {
 
     @Id @GeneratedValue(strategy = GenerationType.IDENTITY)
-    @Column
+
+    @Column(name="lecture_id")
     private Long id;
 
-    @Column(name = "teacher_id")
+    @ManyToOne
-    private String teacherId;
+    @JoinColumn(name = "user_id")
+    private User user;
 
     @Column
     private String title;
@@ -35,6 +41,9 @@ public class Lecture {
     @Lob
     private String plan;
 
+    @Column
+    private boolean online;
+
 
 
 }

backend/src/main/java/com/edufocus/edufocus/lecture/entity/LectureRegist.java

@@ -0,0 +1,29 @@
+package com.edufocus.edufocus.lecture.entity;
+
+import jakarta.persistence.*;
+import lombok.AllArgsConstructor;
+import lombok.Getter;
+import lombok.NoArgsConstructor;
+
+import java.util.Date;
+
+@Getter
+@NoArgsConstructor
+@AllArgsConstructor
+public class LectureRegist {
+
+    private Long userId;
+
+    private String title;
+
+    private String description;
+
+    @Temporal(TemporalType.DATE)
+    private Date startDate;
+
+    @Temporal(TemporalType.DATE)
+    private Date endDate;
+
+    private String plan;
+
+}

backend/src/main/java/com/edufocus/edufocus/lecture/repository/LectureRepository.java

@@ -2,6 +2,7 @@ package com.edufocus.edufocus.lecture.repository;
 
 import com.edufocus.edufocus.lecture.entity.Lecture;
 import org.springframework.data.jpa.repository.JpaRepository;
+import org.springframework.data.jpa.repository.Query;
 import org.springframework.data.repository.query.Param;
 import org.springframework.stereotype.Repository;
 
@@ -11,5 +12,4 @@ import java.util.List;
 public interface LectureRepository extends JpaRepository<Lecture, Long> {
     Lecture findByTitle(@Param("title") String title);
 
-    List<Lecture> findByTeacherId(@Param("teacherId") String teacherId);
 }

backend/src/main/java/com/edufocus/edufocus/lecture/service/LectureService.java

@@ -1,8 +1,7 @@
 package com.edufocus.edufocus.lecture.service;
 
 import com.edufocus.edufocus.lecture.entity.Lecture;
-import jakarta.transaction.Transactional;
+import com.edufocus.edufocus.lecture.entity.LectureRegist;
-import lombok.RequiredArgsConstructor;
 import org.springframework.stereotype.Service;
 
 import java.util.List;
@@ -11,13 +10,12 @@ import java.util.List;
 @Service
 public interface LectureService {
 
-    void createLecture(Lecture lecture);
+    void createLecture(long userId, LectureRegist lectureRegist);
 
-    void deleteLecture(long lectureId);
+    boolean deleteLecture(long userId, long LectureId);
+
+    List<Lecture> findAllLecture();
 
     Lecture findLectureByTitle(String title);
 
-    List<Lecture> findLectureByTeacherId(String teacherId);
-
-    List<Lecture> findAllLecture();
 }

backend/src/main/java/com/edufocus/edufocus/lecture/service/LectureServiceImpl.java

@@ -1,31 +1,57 @@
 package com.edufocus.edufocus.lecture.service;
 
 import com.edufocus.edufocus.lecture.entity.Lecture;
+import com.edufocus.edufocus.lecture.entity.LectureRegist;
 import com.edufocus.edufocus.lecture.repository.LectureRepository;
+import com.edufocus.edufocus.user.model.entity.User;
+import com.edufocus.edufocus.user.model.repository.UserRepository;
 import jakarta.transaction.Transactional;
 import lombok.RequiredArgsConstructor;
-import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Service;
 
 import java.util.List;
-import java.util.Optional;
 
 @Service
 @Transactional
 @RequiredArgsConstructor
 public class LectureServiceImpl implements LectureService {
 
-    @Autowired
     private final LectureRepository lectureRepository;
 
+    private final UserRepository userRepository;
+
     @Override
-    public void createLecture(Lecture lecture) {
+    public void createLecture(long userId, LectureRegist lectureRegist) {
+
+        User user = userRepository.findById(userId).get();
+
+        Lecture lecture = new Lecture();
+        lecture.setUser(user);
+
+        lecture.setTitle(lectureRegist.getTitle());
+        lecture.setDescription(lectureRegist.getDescription());
+        lecture.setStartDate(lectureRegist.getStartDate());
+        lecture.setEndDate(lectureRegist.getEndDate());
+        lecture.setPlan(lectureRegist.getPlan());
+
         lectureRepository.save(lecture);
     }
 
     @Override
-    public void deleteLecture(long lectureId) {
+    public boolean deleteLecture(long userId, long lectureId) {
+        Lecture lecture = lectureRepository.findById(lectureId).get();
+
+        if (lecture.getUser().getId() != userId) {
+            return false;
+        }
+
         lectureRepository.deleteById(lectureId);
+        return true;
+    }
+
+    @Override
+    public List<Lecture> findAllLecture() {
+        return lectureRepository.findAll();
     }
 
     @Override
@@ -33,13 +59,5 @@ public class LectureServiceImpl implements LectureService {
         return lectureRepository.findByTitle(title);
     }
 
-    @Override
-    public List<Lecture> findLectureByTeacherId(String teacherId) {
-        return lectureRepository.findByTeacherId(teacherId);
-    }
 
-    @Override
-    public List<Lecture> findAllLecture() {
-        return lectureRepository.findAll();
-    }
 }

backend/src/main/java/com/edufocus/edufocus/qna/controller/QnaController.java

@@ -0,0 +1,83 @@
+package com.edufocus.edufocus.qna.controller;
+
+import com.edufocus.edufocus.qna.entity.Qna;
+import com.edufocus.edufocus.qna.service.QnaService;
+import lombok.RequiredArgsConstructor;
+import lombok.extern.slf4j.Slf4j;
+import okhttp3.Response;
+import org.springframework.http.HttpStatus;
+import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.*;
+
+import java.sql.SQLException;
+import java.util.List;
+
+@RestController
+@RequestMapping("/qna")
+@Slf4j
+@RequiredArgsConstructor
+public class QnaController {
+    private final QnaService qnaService;
+
+
+    @PostMapping
+    public ResponseEntity<Qna> createQna(@RequestBody Qna qna) {
+        try{
+            qnaService.createQna(qna);
+            return new ResponseEntity<>(qna, HttpStatus.CREATED);
+
+        }catch (Exception e){
+            throw new RuntimeException(e);
+        }
+    }
+    @PutMapping("/{id}")
+    public ResponseEntity<Qna> updateQna(@PathVariable Long id, @RequestBody Qna qna) {
+
+        try{
+             qnaService.updateQna(id,qna);
+            return new ResponseEntity<>(qna, HttpStatus.ACCEPTED);
+
+        }catch (Exception e)
+        {
+            throw new RuntimeException(e);        }
+    }
+
+    @DeleteMapping("/{id}")
+    public ResponseEntity<Qna> deleteQna(@PathVariable Long id) {
+        try {
+            qnaService.deleteQna(id);
+            return new ResponseEntity<>(HttpStatus.ACCEPTED);
+
+        } catch (SQLException e) {
+            throw new RuntimeException(e);
+        }
+    }
+
+    @GetMapping("/{id}")
+    public ResponseEntity<Qna> getQna(@PathVariable Long id) {
+        try{
+           Qna findQna= qnaService.getQna(id);
+            return new ResponseEntity<>(findQna, HttpStatus.ACCEPTED);
+
+        } catch (SQLException e) {
+            throw new RuntimeException(e);
+        }
+    }
+
+    @GetMapping("/all/{id}")
+    public ResponseEntity<List<Qna>> getAllQna(@PathVariable Long id) {
+        try {
+
+            System.out.print("@@@@@@@@@@@@@@@@@@@@@@@>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>");
+            List<Qna> qnaList= qnaService.getAllQnasByLecture(id);
+            for(Qna qna:qnaList)
+            {
+                System.out.print(qna.toString());
+            }
+            return new ResponseEntity<>(qnaList, HttpStatus.ACCEPTED);
+        } catch (SQLException e) {
+            throw new RuntimeException(e);
+
+        }
+    }
+}

backend/src/main/java/com/edufocus/edufocus/qna/entity/Qna.java

@@ -0,0 +1,54 @@
+package com.edufocus.edufocus.qna.entity;
+
+import com.edufocus.edufocus.lecture.entity.Lecture;
+import com.edufocus.edufocus.user.model.entity.User;
+import jakarta.persistence.*;
+import lombok.Getter;
+import lombok.Setter;
+import org.checkerframework.checker.units.qual.C;
+
+import java.util.Date;
+
+@Entity
+@Getter
+@Setter
+public class Qna {
+
+    // 연관관계 주인
+
+
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    @Column(name= "qna_id")
+    private Long id;
+
+
+    @Column
+    private String title;
+
+    @Column
+    private String content;
+
+
+    @Column(name = "created_at")
+    @Temporal(TemporalType.DATE)
+    private Date createdAt;
+
+    @Column(name = "modified_at")
+    @Temporal(TemporalType.DATE)
+    private Date modifiedAt;
+
+    @Column
+    private String answer;
+
+
+    @ManyToOne
+    @JoinColumn(name= "id")
+    private User user;
+
+    @ManyToOne
+    @JoinColumn(name= "lecture_id")
+    private Lecture lecture;
+
+
+}

backend/src/main/java/com/edufocus/edufocus/qna/repository/QnaRepository.java

@@ -0,0 +1,18 @@
+package com.edufocus.edufocus.qna.repository;
+
+import com.edufocus.edufocus.qna.entity.Qna;
+import org.springframework.data.jpa.repository.JpaRepository;
+import org.springframework.data.jpa.repository.Query;
+import org.springframework.data.repository.query.Param;
+import org.springframework.stereotype.Repository;
+
+import java.util.List;
+
+@Repository
+public interface QnaRepository extends JpaRepository<Qna, Long> {
+
+    @Query(value = "SELECT * FROM qna WHERE lecture_id = :lectureId", nativeQuery = true)
+    List<Qna> findLecture(@Param("lectureId") Long lectureId);
+
+
+}

backend/src/main/java/com/edufocus/edufocus/qna/service/QnaService.java

@@ -0,0 +1,19 @@
+package com.edufocus.edufocus.qna.service;
+
+import com.edufocus.edufocus.lecture.entity.Lecture;
+import com.edufocus.edufocus.qna.entity.Qna;
+import jakarta.transaction.Transactional;
+import lombok.RequiredArgsConstructor;
+import org.springframework.stereotype.Service;
+
+import java.sql.SQLException;
+import java.util.List;
+@Service
+public interface QnaService {
+
+    void createQna(Qna qna) throws SQLException;
+    void updateQna(Long id,Qna qna) throws SQLException;
+    void deleteQna(Long id) throws SQLException;
+    Qna getQna(Long id) throws SQLException;
+    List<Qna> getAllQnasByLecture(Long lectureId) throws SQLException;
+}

backend/src/main/java/com/edufocus/edufocus/qna/service/QnaServiceImpl.java

@@ -0,0 +1,60 @@
+package com.edufocus.edufocus.qna.service;
+
+import com.edufocus.edufocus.qna.entity.Qna;
+import com.edufocus.edufocus.qna.repository.QnaRepository;
+import jakarta.transaction.Transactional;
+import lombok.RequiredArgsConstructor;
+import lombok.Setter;
+import org.springframework.stereotype.Service;
+
+import java.util.Date;
+import java.util.List;
+import java.util.Optional;
+
+@Service
+@Transactional
+@RequiredArgsConstructor
+public class QnaServiceImpl implements QnaService{
+
+    private final QnaRepository qnaRepository;
+
+
+    @Override
+    public void createQna(Qna qna) {
+
+
+        qnaRepository.save(qna);
+
+    }
+
+    @Override
+    public void updateQna(Long id,Qna qna) {
+
+
+        Optional<Qna> findQna = qnaRepository.findById(id);
+
+            qna.setModifiedAt(new Date());
+            qnaRepository.save(qna);
+
+
+    }
+
+    @Override
+    public void deleteQna(Long id) {
+qnaRepository.deleteById(id);
+    }
+
+    @Override
+    public Qna getQna(Long id) {
+        return null;
+    }
+
+    @Override
+    public List<Qna> getAllQnasByLecture(Long lectureId) {
+
+
+        System.out.printf(lectureId+"!!!!!!!!!!!!!!!!!!!!!!");
+        return qnaRepository.findLecture(lectureId);
+
+    }
+}

backend/src/main/java/com/edufocus/edufocus/quiz/controller/QuizController.java

@@ -0,0 +1,4 @@
+package com.edufocus.edufocus.quiz.controller;
+
+public class QuizController {
+}

backend/src/main/java/com/edufocus/edufocus/quiz/entity/Quiz.java

@@ -0,0 +1,54 @@
+package com.edufocus.edufocus.quiz.entity;
+
+import jakarta.persistence.*;
+import lombok.Getter;
+import lombok.Setter;
+
+@Entity
+@Getter
+@Setter
+public class Quiz {
+
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    private int id;
+
+    @ManyToOne
+    @JoinColumn(name = "quizset_id")
+    private QuizSet quizSet;
+
+    @Column
+    private String title;
+
+    @Column
+    private String description;
+
+    @Column
+    private String answer;
+
+    @Column (name = "is_single")
+    private boolean isSingle;
+
+    @Column
+    private String image;
+
+    @Column
+    private String choice1;
+
+    @Column
+    private String choice2;
+
+    @Column
+    private String choice3;
+
+    @Column
+    private String choice4;
+
+    public void setQuizSet(QuizSet quizSet) {
+        this.quizSet = quizSet;
+
+        if (!quizSet.getQuizzes().contains(this)) {
+            quizSet.getQuizzes().remove(this);
+        }
+    }
+}

backend/src/main/java/com/edufocus/edufocus/quiz/entity/QuizSet.java

@@ -0,0 +1,40 @@
+package com.edufocus.edufocus.quiz.entity;
+
+import com.edufocus.edufocus.user.model.entity.User;
+import jakarta.persistence.*;
+import lombok.Getter;
+import lombok.Setter;
+
+import java.util.ArrayList;
+import java.util.List;
+
+@Entity
+@Getter
+@Setter
+public class QuizSet {
+
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    private int id;
+
+    @ManyToOne
+    @JoinColumn(name = "user_id")
+    private User user;
+
+    @Column
+    private String title;
+
+    @Column
+    private String image;
+
+    @OneToMany(mappedBy = "quizSet")
+    private List<Quiz> quizzes =  new ArrayList<Quiz>();
+
+    public void addQuiz(Quiz quiz) {
+        this.quizzes.add(quiz);
+
+        if (quiz.getQuizSet() != this) {
+            quiz.setQuizSet(this);
+        }
+    }
+}

backend/src/main/java/com/edufocus/edufocus/quiz/repository/QuizRepository.java

@@ -0,0 +1,4 @@
+package com.edufocus.edufocus.quiz.repository;
+
+public interface QuizRepository {
+}

backend/src/main/java/com/edufocus/edufocus/quiz/repository/QuizSetRepository.java

@@ -0,0 +1,4 @@
+package com.edufocus.edufocus.quiz.repository;
+
+public interface QuizSetRepository {
+}

backend/src/main/java/com/edufocus/edufocus/quiz/service/QuizService.java

@@ -0,0 +1,4 @@
+package com.edufocus.edufocus.quiz.service;
+
+public interface QuizService {
+}

backend/src/main/java/com/edufocus/edufocus/quiz/service/QuizServiceImpl.java

@@ -0,0 +1,4 @@
+package com.edufocus.edufocus.quiz.service;
+
+public class QuizServiceImpl {
+}

backend/src/main/java/com/edufocus/edufocus/quiz/service/QuizSetService.java

@@ -0,0 +1,4 @@
+package com.edufocus.edufocus.quiz.service;
+
+public interface QuizSetService {
+}

backend/src/main/java/com/edufocus/edufocus/quiz/service/QuizSetServiceImpl.java

@@ -0,0 +1,4 @@
+package com.edufocus.edufocus.quiz.service;
+
+public class QuizSetServiceImpl {
+}

backend/src/main/java/com/edufocus/edufocus/registration/controller/RegistrationController.java

@@ -0,0 +1,42 @@
+package com.edufocus.edufocus.registration.controller;
+
+import com.edufocus.edufocus.registration.entity.Registration;
+import com.edufocus.edufocus.registration.service.RegistrationService;
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.http.HttpStatus;
+import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.*;
+
+@RestController
+@RequestMapping("/registration")
+@Slf4j
+public class RegistrationController {
+
+    private final RegistrationService registrationServiceImpl;
+
+    public RegistrationController(RegistrationService registrationServiceImpl) {
+        this.registrationServiceImpl = registrationServiceImpl;
+    }
+
+    @PostMapping
+    public ResponseEntity<?> register(@RequestBody Registration registration) {
+        registrationServiceImpl.createRegistration(registration);
+
+        return new ResponseEntity<>(HttpStatus.OK);
+    }
+
+    @PatchMapping("/registrationId/{registrationId}")
+    public ResponseEntity<?> acceptRigistration(@PathVariable long registrationId) {
+        registrationServiceImpl.acceptRegistration(registrationId);
+
+        return new ResponseEntity<>(HttpStatus.OK);
+    }
+
+    @DeleteMapping("/registrationId/{registrationId}")
+    public ResponseEntity<?> deleteRigistration(@PathVariable long registrationId) {
+        registrationServiceImpl.deleteRegistration(registrationId);
+
+        return new ResponseEntity<>(HttpStatus.OK);
+    }
+
+}

backend/src/main/java/com/edufocus/edufocus/registration/entity/Registration.java

@@ -0,0 +1,28 @@
+package com.edufocus.edufocus.registration.entity;
+
+import com.edufocus.edufocus.lecture.entity.Lecture;
+import com.edufocus.edufocus.user.model.entity.User;
+import jakarta.persistence.*;
+import lombok.Getter;
+import lombok.Setter;
+
+@Entity
+@Getter
+@Setter
+public class Registration {
+
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    private long id;
+
+    @ManyToOne
+    @JoinColumn(name = "user_id")
+    private User user;
+
+    @ManyToOne
+    @JoinColumn(name = "lecture_id")
+    private Lecture lecture;
+
+    @Enumerated(EnumType.STRING)
+    private RegistrationStatus status ;
+}

backend/src/main/java/com/edufocus/edufocus/registration/entity/RegistrationStatus.java

@@ -0,0 +1,5 @@
+package com.edufocus.edufocus.registration.entity;
+
+public enum RegistrationStatus {
+    WAITING, ACCEPTED
+}

backend/src/main/java/com/edufocus/edufocus/registration/repository/RegistrationRepository.java

@@ -0,0 +1,11 @@
+package com.edufocus.edufocus.registration.repository;
+
+import com.edufocus.edufocus.registration.entity.Registration;
+import org.springframework.data.jpa.repository.JpaRepository;
+import org.springframework.data.repository.query.Param;
+import org.springframework.stereotype.Repository;
+
+@Repository
+public interface RegistrationRepository extends JpaRepository<Registration, Long> {
+
+}

backend/src/main/java/com/edufocus/edufocus/registration/service/RegistrationService.java

@@ -0,0 +1,17 @@
+package com.edufocus.edufocus.registration.service;
+
+import com.edufocus.edufocus.registration.entity.Registration;
+import org.springframework.stereotype.Service;
+
+@Service
+public interface RegistrationService {
+
+    void createRegistration(Registration registration);
+
+    void acceptRegistration(long RegistrationId);
+
+    void deleteRegistration(long registrationId);
+
+    boolean isAcceptedRegistration(long registrationId);
+
+}

backend/src/main/java/com/edufocus/edufocus/registration/service/RegistrationServiceImpl.java

@@ -0,0 +1,46 @@
+package com.edufocus.edufocus.registration.service;
+
+import com.edufocus.edufocus.registration.entity.Registration;
+import com.edufocus.edufocus.registration.entity.RegistrationStatus;
+import com.edufocus.edufocus.registration.repository.RegistrationRepository;
+import jakarta.transaction.Transactional;
+import lombok.RequiredArgsConstructor;
+import org.springframework.stereotype.Service;
+
+import java.util.Optional;
+
+@Service
+@Transactional
+@RequiredArgsConstructor
+public class RegistrationServiceImpl implements RegistrationService {
+
+    private final RegistrationRepository registrationRepository;
+
+    @Override
+    public void createRegistration(Registration registration) {
+        registrationRepository.save(registration);
+    }
+
+    @Override
+    public void acceptRegistration(long registrationId) {
+        Optional<Registration> registration = registrationRepository.findById(registrationId);
+
+        if (registration.isPresent()) {
+            Registration reg = registration.get();
+            reg.setStatus(RegistrationStatus.valueOf("ACCEPTED"));
+            registrationRepository.save(reg);
+        }
+    }
+
+    @Override
+    public void deleteRegistration(long registrationId) {
+        registrationRepository.deleteById(registrationId);
+    }
+
+    @Override
+    public boolean isAcceptedRegistration(long registrationId) {
+        Optional<Registration> registration = registrationRepository.findById(registrationId);
+
+        return registration.isPresent() && registration.get().getStatus().equals("ACCEPTED");
+    }
+}

backend/src/main/java/com/edufocus/edufocus/user/config/WebConfiguration.java

@@ -0,0 +1,41 @@
+package com.edufocus.edufocus.user.config;
+
+import com.edufocus.edufocus.user.intercepter.JWTInterceptor;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.http.HttpMethod;
+import org.springframework.web.servlet.config.annotation.CorsRegistry;
+import org.springframework.web.servlet.config.annotation.EnableWebMvc;
+import org.springframework.web.servlet.config.annotation.InterceptorRegistry;
+import org.springframework.web.servlet.config.annotation.ResourceHandlerRegistry;
+import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;
+
+
+@Configuration
+@EnableWebMvc
+public class WebConfiguration implements WebMvcConfigurer {
+
+    private JWTInterceptor jwtInterceptor;
+
+    public WebConfiguration(JWTInterceptor jwtInterceptor) {
+        super();
+        this.jwtInterceptor = jwtInterceptor;
+    }
+
+    @Override
+    public void addCorsMappings(CorsRegistry registry) {
+        registry
+                .addMapping("/**")
+                .allowedOrigins("*")
+                .allowedMethods(HttpMethod.GET.name(), HttpMethod.POST.name(), HttpMethod.PUT.name(),
+                        HttpMethod.DELETE.name(), HttpMethod.HEAD.name(), HttpMethod.OPTIONS.name(),
+                        HttpMethod.PATCH.name())
+                .maxAge(1800); // Pre-flight Caching
+    }
+
+    @Override
+    public void addResourceHandlers(ResourceHandlerRegistry registry) {
+        registry.addResourceHandler("/img/**").addResourceLocations("classpath:/static/assets/img/");
+        registry.addResourceHandler("/*.html**").addResourceLocations("classpath:/static/");
+    }
+
+}

backend/src/main/java/com/edufocus/edufocus/user/controller/UserController.java

@@ -2,14 +2,19 @@ package com.edufocus.edufocus.user.controller;
 
 import com.edufocus.edufocus.user.model.entity.User;
 import com.edufocus.edufocus.user.model.service.UserService;
+import com.edufocus.edufocus.user.util.JWTUtil;
+import io.swagger.v3.oas.annotations.Operation;
+import io.swagger.v3.oas.annotations.Parameter;
+import jakarta.servlet.http.HttpServletRequest;
 import lombok.RequiredArgsConstructor;
 import lombok.extern.slf4j.Slf4j;
 import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.http.HttpStatus;
 import org.springframework.http.ResponseEntity;
-import org.springframework.web.bind.annotation.PostMapping;
+import org.springframework.web.bind.annotation.*;
-import org.springframework.web.bind.annotation.RequestBody;
+
-import org.springframework.web.bind.annotation.RequestMapping;
+import java.util.HashMap;
-import org.springframework.web.bind.annotation.RestController;
+import java.util.Map;
 
 @RestController
 @RequestMapping("/user")
@@ -18,24 +23,163 @@ import org.springframework.web.bind.annotation.RestController;
 public class UserController {
 
     private final UserService userService;
+    private final JWTUtil jwtUtil;
 
     @PostMapping("/join")
     public ResponseEntity<String> join(@RequestBody User user) throws Exception {
 
-        System.out.println("!!!");
+
         userService.join(user);
         return ResponseEntity.ok("User registered successfully");
     }
 
+//
+//    @PostMapping("/login")
+//    public ResponseEntity<User> login(@RequestBody User user) {
+//        try {
+//            User loggedInUser = userService.login(user);
+//            return ResponseEntity.ok(loggedInUser);
+//
+//        } catch (Exception e) {
+//            throw new RuntimeException(e);
+//        }
+ //   }
 
+    @Operation(summary = "로그인", description = "아이디와 비밀번호를 이용하여 로그인 처리.")
     @PostMapping("/login")
-    public ResponseEntity<User> login(@RequestBody User user) {
+    public ResponseEntity<Map<String, Object>> login(
+            @RequestBody @Parameter(description = "로그인 시 필요한 회원정보(아이디, 비밀번호).", required = true) User user) {
+        Map<String, Object> resultMap = new HashMap<>();
+        HttpStatus status = HttpStatus.ACCEPTED;
         try {
-            User loggedInUser = userService.login(user);
+            User loginUser = userService.login(user);
-            return ResponseEntity.ok(loggedInUser);
+            if (loginUser != null) {
+                String accessToken = jwtUtil.createAccessToken(String.valueOf(loginUser.getId()));
+                String refreshToken = jwtUtil.createRefreshToken(String.valueOf(loginUser.getId()));
+
+                // 발급받은 refresh token 을 DB에 저장.
+                userService.saveRefreshToken(loginUser.getId(), refreshToken);
+
+                // JSON 으로 token 전달.
+                System.out.println(accessToken);
+                resultMap.put("access-token", accessToken);
+                resultMap.put("refresh-token", refreshToken);
+
+                status = HttpStatus.CREATED;
+            } else {
+                resultMap.put("message", "아이디 또는 패스워드를 확인해 주세요.");
+                status = HttpStatus.UNAUTHORIZED;
+            }
+        } catch (Exception e) {
+            resultMap.put("message", e.getMessage());
+            status = HttpStatus.INTERNAL_SERVER_ERROR;
+        }
+        return new ResponseEntity<>(resultMap, status);
+    }
+
+    @Operation(summary = "회원인증", description = "회원 정보를 담은 Token 을 반환한다.")
+    @GetMapping("/info/{userId}")
+    public ResponseEntity<Map<String, Object>> getInfo(
+            @PathVariable("userId") @Parameter(description = "인증할 회원의 아이디.", required = true) Long userId,
+            HttpServletRequest request) {
+		//logger.debug("userId : {} ", userId);
+        String id = String.valueOf(userId);
+
+        System.out.println("!>>>>>>>>>>>>>>>>>>>>>>>>");
+        System.out.println(id);
+        System.out.println(id.getClass().getName());
+        Map<String, Object> resultMap = new HashMap<>();
+        HttpStatus status = HttpStatus.ACCEPTED;
+        if (jwtUtil.checkToken(request.getHeader("Authorization"))) {
+            log.info("사용 가능한 토큰!!!");
+            try {
+//				로그인 사용자 정보.
+                User member = userService.userInfo(userId);
+                resultMap.put("userInfo", member);
+                status = HttpStatus.OK;
+            } catch (Exception e) {
+                log.error("정보조회 실패 : {}", e);
+                resultMap.put("message", e.getMessage());
+                status = HttpStatus.INTERNAL_SERVER_ERROR;
+            }
+        } else {
+            System.out.println(jwtUtil.checkToken(request.getHeader("Authorization")));
+            log.error("사용 불가능 토큰!!!");
+            resultMap.put("message", "Unauthorized token");
+            status = HttpStatus.UNAUTHORIZED;
+        }
+        return new ResponseEntity<Map<String, Object>>(resultMap, status);
+    }
+
+    @GetMapping("/logout/{userId}")
+
+    public ResponseEntity<?> removeToken(@PathVariable ("userId") @Parameter(description = "로그아웃 할 회원의 아이디.", required = true) Long userId) {
+        Map<String, Object> resultMap = new HashMap<>();
+        HttpStatus status = HttpStatus.ACCEPTED;
+        try {
+            userService.deleteRefreshToken(userId);
+            status = HttpStatus.OK;
+        } catch (Exception e) {
+            log.error("로그아웃 실패 : {}", e);
+            resultMap.put("message", e.getMessage());
+            status = HttpStatus.INTERNAL_SERVER_ERROR;
+        }
+        return new ResponseEntity<Map<String, Object>>(resultMap, status);
+    }
+
+    @Operation(summary = "Access Token 재발급", description = "만료된 access token 을 재발급 받는다.")
+    @PostMapping("/refresh")
+    public ResponseEntity<?> refreshToken(@RequestBody User user, HttpServletRequest request)
+            throws Exception {
+        Map<String, Object> resultMap = new HashMap<>();
+        HttpStatus status = HttpStatus.ACCEPTED;
+        String token = request.getHeader("refreshToken");
+        log.debug("token : {}, memberDto : {}", token, user);
+        if (jwtUtil.checkToken(token)) {
+            if (token.equals(userService.getRefreshToken(user.getId()))) {
+                String accessToken = jwtUtil.createAccessToken(String.valueOf(user.getId()));
+                log.debug("token : {}", accessToken);
+                log.debug("정상적으로 access token 재발급!!!");
+                resultMap.put("access-token", accessToken);
+                status = HttpStatus.CREATED;
+            }
+        } else {
+            log.debug("refresh token 도 사용 불가!!!!!!!");
+            status = HttpStatus.UNAUTHORIZED;
+        }
+        return new ResponseEntity<Map<String, Object>>(resultMap, status);
+    }
+
+    @Operation(summary = "회원 정보 조회", description = "토큰을 이용하여 회원 정보를 조회한다.")
+    @GetMapping("/member")
+    public ResponseEntity<Map<String, Object>> getMember(HttpServletRequest request) {
+        Map<String, Object> resultMap = new HashMap<>();
+        HttpStatus status = HttpStatus.ACCEPTED;
+        String token = request.getHeader("Authorization");
+
+        if (jwtUtil.checkToken(token)) {
+            String userId = jwtUtil.getUserId(token);
+            log.info("사용 가능한 토큰!!! userId: {}", userId);
+            try {
+                User user = userService.userInfo(Long.parseLong(userId));
+                resultMap.put("userInfo", user);
+                status = HttpStatus.OK;
 
             } catch (Exception e) {
-            throw new RuntimeException(e);
+                log.error("정보조회 실패 : {}", e);
+                resultMap.put("message", e.getMessage());
+                status = HttpStatus.INTERNAL_SERVER_ERROR;
             }
+        } else {
+            log.error("사용 불가능 토큰!!!");
+            status = HttpStatus.UNAUTHORIZED;
         }
+        return new ResponseEntity<Map<String, Object>>(resultMap, status);
+    }
+
+
+
+
+
+
 }

backend/src/main/java/com/edufocus/edufocus/user/intercepter/JWTInterceptor.java

@@ -0,0 +1,40 @@
+package com.edufocus.edufocus.user.intercepter;
+
+import com.edufocus.edufocus.user.model.exception.UnAuthorizedException;
+import com.edufocus.edufocus.user.util.JWTUtil;
+import org.springframework.stereotype.Component;
+import org.springframework.web.servlet.HandlerInterceptor;
+
+
+import jakarta.servlet.http.HttpServletRequest;
+import jakarta.servlet.http.HttpServletResponse;
+import lombok.extern.slf4j.Slf4j;
+
+@Component
+@Slf4j
+public class JWTInterceptor implements HandlerInterceptor {
+
+    private final String HEADER_AUTH = "Authorization";
+
+    private JWTUtil jwtUtil;
+
+    public JWTInterceptor(JWTUtil jwtUtil) {
+        super();
+        this.jwtUtil = jwtUtil;
+    }
+
+    @Override
+    public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler)
+            throws Exception {
+        final String token = request.getHeader(HEADER_AUTH);
+
+        if (token != null && jwtUtil.checkToken(token)) {
+            log.info("토큰 사용 가능 : {}", token);
+            return true;
+        } else {
+            log.info("토큰 사용 불가능 : {}", token);
+            throw new UnAuthorizedException();
+        }
+
+    }
+}

backend/src/main/java/com/edufocus/edufocus/user/model/entity/User.java

@@ -1,10 +1,15 @@
 package com.edufocus.edufocus.user.model.entity;
 
+import com.edufocus.edufocus.qna.entity.Qna;
 import jakarta.persistence.*;
 import lombok.AllArgsConstructor;
 import lombok.Getter;
 import lombok.NoArgsConstructor;
 import lombok.Setter;
+import org.checkerframework.checker.units.qual.A;
+
+import java.util.ArrayList;
+import java.util.List;
 
 @Entity
 @Getter
@@ -15,14 +20,20 @@ public class User {
 
     @Id
     @GeneratedValue(strategy = GenerationType.IDENTITY) // 자동 증가 설정
+    @Column(name = "id")
     private Long id;
 
-    private String user_id;
+
+    @Column(name = "user_id", unique = true, nullable = false)
+    private String userId;
     private String email;
     private String password;
     @Enumerated(EnumType.STRING) // 혹은 EnumType.ORDINAL
     private UserRole role;
 
+    private String refreshToken;
+
+
 
 
 }

backend/src/main/java/com/edufocus/edufocus/user/model/exception/UnAuthorizedException.java

@@ -0,0 +1,11 @@
+package com.edufocus.edufocus.user.model.exception;
+
+public class UnAuthorizedException extends RuntimeException {
+
+    private static final long serialVersionUID = 1L;
+
+    public UnAuthorizedException() {
+        super("계정 권한이 유효하지 않습니다.\n다시 로그인을 하세요.");
+    }
+
+}

backend/src/main/java/com/edufocus/edufocus/user/model/repository/UserRepository.java

@@ -1,8 +1,28 @@
 package com.edufocus.edufocus.user.model.repository;
 
 import com.edufocus.edufocus.user.model.entity.User;
+import jakarta.transaction.Transactional;
 import org.springframework.data.jpa.repository.JpaRepository;
+import org.springframework.data.jpa.repository.Modifying;
+import org.springframework.data.jpa.repository.Query;
+import org.springframework.data.repository.query.Param;
+
+import java.util.Optional;
 
 public interface UserRepository extends JpaRepository<User,Long> {
+    @Modifying
+    @Transactional
+    @Query("UPDATE User u SET u.refreshToken = :refreshToken WHERE u.id = :id")
+    void saveRefreshToken(@Param("id") Long id, @Param("refreshToken") String refreshToken);
+
+    @Query("SELECT u.refreshToken FROM User u WHERE u.id = :id")
+    String getRefreshToken(@Param("id") Long id);
+
+    @Modifying
+    @Transactional
+    @Query("UPDATE User u SET u.refreshToken = NULL WHERE u.id = :id")
+    void deleteRefreshToken(@Param("id") Long id);
+
+    Optional<User> findByUserId(String userId);
 
 }

backend/src/main/java/com/edufocus/edufocus/user/model/service/UserService.java

@@ -5,4 +5,8 @@ import com.edufocus.edufocus.user.model.entity.User;
 public interface UserService {
      void join(User user) throws Exception;
      User login(User user) throws Exception;
+      void saveRefreshToken(Long id, String refreshToken) throws Exception;
+      String getRefreshToken(Long id) throws Exception;
+      void deleteRefreshToken(Long id) throws Exception;
+       User userInfo(Long id) throws Exception;
 }

backend/src/main/java/com/edufocus/edufocus/user/model/service/UserServiceImpl.java

@@ -10,6 +10,8 @@ import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Service;
 
 import java.sql.SQLException;
+import java.util.HashMap;
+import java.util.Map;
 import java.util.Optional;
 
 @Service
@@ -26,18 +28,65 @@ public class UserServiceImpl implements UserService{
         userRepository.save(user);
     }
 
+
     public User login(User user) throws SQLException
     {
-        Optional<User> findUser = userRepository.findById(user.getId());
+        Optional<User> findUser = userRepository.findByUserId(user.getUserId());
+
 
         if(findUser.isEmpty())
         {
             throw new UserException("없는 유저");
 
         }
-        return findUser.get();
-    }
 
 
+        if(findUser.isPresent())
+        {
+
+            User find = findUser.get();
+            if(find.getPassword().equals(user.getPassword()))
+            {
+                return find;
+            }
+            else{
+                throw new UserException("비밀번호 틀림");
+
+            }
+        }
+        else{
+            throw new UserException("없는 유저");
+
+
+        }
+
+    }
+
+    @Override
+    public User userInfo(Long id)
+    {
+        try{
+            return userRepository.findById(id).get();
+        }
+        catch (Exception e)
+        {
+            throw new UserException(e.getMessage());
+        }
+
+    }
+    @Override
+    public void saveRefreshToken(Long id, String refreshToken) throws Exception {
+        userRepository.saveRefreshToken(id, refreshToken);
+    }
+
+    @Override
+    public String getRefreshToken(Long id) throws Exception {
+        return userRepository.getRefreshToken(id);
+    }
+
+    @Override
+    public void deleteRefreshToken(Long id) throws Exception {
+        userRepository.deleteRefreshToken(id);
+    }
 
 }

backend/src/main/java/com/edufocus/edufocus/user/util/JWTUtil.java

@@ -0,0 +1,85 @@
+package com.edufocus.edufocus.user.util;
+
+import java.nio.charset.StandardCharsets;
+import java.util.Date;
+import java.util.Map;
+
+import com.edufocus.edufocus.user.model.exception.UnAuthorizedException;
+import io.jsonwebtoken.*;
+import org.springframework.beans.factory.annotation.Value;
+import org.springframework.stereotype.Component;
+
+import lombok.extern.slf4j.Slf4j;
+
+@Component
+@Slf4j
+public class JWTUtil {
+
+    @Value("${jwt.salt}")
+    private String salt;
+
+    @Value("${jwt.access-token.expiretime}")
+    private long accessTokenExpireTime;
+
+    @Value("${jwt.refresh-token.expiretime}")
+    private long refreshTokenExpireTime;
+
+    public String createAccessToken(String id) {
+        return create(id, "access-token", accessTokenExpireTime);
+    }
+
+    public String createRefreshToken(String id) {
+        return create(id, "refresh-token", refreshTokenExpireTime);
+    }
+
+    private String create(String id, String subject, long expireTime) {
+        Claims claims = Jwts.claims()
+                .setSubject(subject)
+                .setIssuedAt(new Date())
+                .setExpiration(new Date(System.currentTimeMillis() + expireTime));
+        claims.put("id", id);
+
+        return Jwts.builder()
+                .setHeaderParam("typ", "JWT")
+                .setClaims(claims)
+                .signWith(SignatureAlgorithm.HS256, generateKey())
+                .compact();
+    }
+
+    private byte[] generateKey() {
+        return salt.getBytes(StandardCharsets.UTF_8);
+    }
+
+    public boolean checkToken(String token) {
+        try {
+            Jws<Claims> claims = Jwts.parserBuilder()
+                    .setSigningKey(generateKey())
+                    .build()
+                    .parseClaimsJws(token);
+            log.debug("claims: {}", claims);
+            return true;
+        } catch (MalformedJwtException | UnsupportedJwtException | IllegalArgumentException | SignatureException | ExpiredJwtException e) {
+            log.error("Token validation error: {}", e.getMessage());
+            return false;
+        } catch (Exception e) {
+            System.out.println(token);
+            log.error("Unexpected error while validating token: {}", e.getMessage());
+            return false;
+        }
+    }
+
+    public String getUserId(String authorization) {
+        try {
+            Jws<Claims> claims = Jwts.parserBuilder()
+                    .setSigningKey(generateKey())
+                    .build()
+                    .parseClaimsJws(authorization);
+            Map<String, Object> value = claims.getBody();
+            log.info("value : {}", value);
+            return (String) value.get("id");
+        } catch (Exception e) {
+            log.error("Failed to get user ID from token: {}", e.getMessage());
+            throw new UnAuthorizedException();
+        }
+    }
+}

backend/src/main/resources/application.properties

@@ -6,7 +6,15 @@ server.ssl.enabled=false
 # LiveKit configuration
 livekit.api.key=${LIVEKIT_API_KEY:devkey}
 livekit.api.secret=${LIVEKIT_API_SECRET:secret}
+# JWT Salt (??? ?? ???? ???)
 
+jwt.salt=ssafy-screte-key-20240404-ssafy-screte-key-20240404-ssafy-screte-key-20240404
+
+# Access Token ?? ?? (??? ??)
+jwt.access-token.expiretime=3600000
+
+# Refresh Token ?? ?? (??? ??)
+jwt.refresh-token.expiretime=86400000
 spring.datasource.driver-class-name=com.mysql.cj.jdbc.Driver
 spring.datasource.url=jdbc:mysql://localhost:3306/edufocus?useSSL=false
 spring.datasource.username=root