feat: 수강신청 프로젝트 생성

2026-09-16 14:20:39 +09:00
parent 110aab5d32
commit f5508a48ea
38 changed files with 970 additions and 0 deletions
@@ -0,0 +1,91 @@
+package com.study.course_registration.seeder;
+
+import org.springframework.context.annotation.Profile;
+import org.springframework.stereotype.Component;
+import org.springframework.transaction.annotation.Transactional;
+
+import com.study.course_registration.entity.Lesson;
+import com.study.course_registration.entity.Professor;
+import com.study.course_registration.entity.Subject;
+import com.study.course_registration.entity.User;
+import com.study.course_registration.entity.UserLesson;
+import com.study.course_registration.enums.UserRole;
+import com.study.course_registration.repository.LessonRepository;
+import com.study.course_registration.repository.UserRepository;
+import com.study.course_registration.repository.SubjectRepository;
+import com.study.course_registration.repository.ProfessorRepository;
+import com.study.course_registration.repository.UserLessonRepository;
+
+import java.time.Instant;
+import java.time.ZoneId;
+import java.time.ZonedDateTime;
+import java.time.temporal.ChronoUnit;
+import java.util.List;
+
+import org.springframework.boot.CommandLineRunner;
+
+@Component
+@Profile ("local")
+public class DataSeeder implements CommandLineRunner {
+
+    private static final ZoneId KST = ZoneId.of("Asia/Seoul");
+
+    private final UserRepository userRepository;
+    private final LessonRepository lessonRepository;
+    private final SubjectRepository subjectRepository;
+    private final ProfessorRepository professorRepository;
+    private final UserLessonRepository userLessonRepository;
+
+    public DataSeeder(UserRepository userRepository, LessonRepository lessonRepository, SubjectRepository subjectRepository, ProfessorRepository professorRepository, UserLessonRepository userLessonRepository) {
+        this.userRepository = userRepository;
+        this.lessonRepository = lessonRepository;
+        this.subjectRepository = subjectRepository;
+        this.professorRepository = professorRepository;
+        this.userLessonRepository = userLessonRepository;
+    }
+
+    @Override
+    @Transactional
+    public void run(String... args) throws Exception {
+        if(userRepository.count() > 0) {
+            return;
+        }
+
+        List<Professor> professors = professorRepository.saveAll(List.of(
+            new Professor("김영한"),
+            new Professor("최태영"),
+            new Professor("조재한")
+        ));
+
+        List<Subject> subjects = subjectRepository.saveAll(List.of(
+            new Subject("자바 프로그래밍", "CS201", "자바 프로그래밍 기초"),
+            new Subject("자료구조", "CS202", "자료구조 및 알고리즘"),
+            new Subject("데이터베이스", "CS203", "데이터베이스 시스템")
+        ));
+
+        Instant base = Instant.now().truncatedTo(ChronoUnit.HOURS);
+        List<Lesson> lessons = lessonRepository.saveAll(List.of(
+            new Lesson("자바 프로그래밍", subjects.get(0), professors.get(0), kst(3, 2, 9), kst(3, 2, 11)),
+            new Lesson("자료구조", subjects.get(1), professors.get(1), kst(3, 2, 13), kst(3, 2, 17)),
+            new Lesson("데이터베이스", subjects.get(2), professors.get(2), kst(3, 3, 10), kst(3, 3, 14))
+        ));
+
+        List<User> users = userRepository.saveAll(List.of(
+            new User("학생1", 1L, UserRole.STUDENT),
+            new User("학생2", 2L, UserRole.STUDENT),
+            new User("대학원생", 3L, UserRole.POSTGRADUATE)
+        ));
+
+        List<UserLesson> userLessons = userLessonRepository.saveAll(List.of(
+            new UserLesson(users.get(0), lessons.get(0)),
+            new UserLesson(users.get(0), lessons.get(1)),
+            new UserLesson(users.get(1), lessons.get(1)),
+            new UserLesson(users.get(2), lessons.get(2))
+        ));
+    }
+
+    private Instant kst(int month, int day, int hour) {
+        return ZonedDateTime.of(2026, month, day, hour, 0, 0, 0, KST).toInstant();
+    }
+    
+}