Feat/group(create, get list)

src/main/java/com/soogung/simblue/domain/group/domain/Group.java

@@ -0,0 +1,35 @@
+package com.soogung.simblue.domain.group.domain;
+
+import com.soogung.simblue.domain.group.domain.type.GroupType;
+import com.soogung.simblue.global.entity.BaseTimeEntity;
+import lombok.AccessLevel;
+import lombok.Builder;
+import lombok.Getter;
+import lombok.NoArgsConstructor;
+
+import javax.persistence.*;
+
+@Entity
+@Table(name = "tbl_group")
+@NoArgsConstructor(access = AccessLevel.PROTECTED)
+@Getter
+public class Group extends BaseTimeEntity {
+
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    @Column(name = "group_id")
+    private Long id;
+
+    @Column(nullable = false, length = 20)
+    private String name;
+
+    @Enumerated(EnumType.STRING)
+    @Column(nullable = false, length = 10)
+    private GroupType type;
+
+    @Builder
+    public Group(String name, GroupType type) {
+        this.name = name;
+        this.type = type;
+    }
+}

src/main/java/com/soogung/simblue/domain/group/domain/Member.java

@@ -0,0 +1,36 @@
+package com.soogung.simblue.domain.group.domain;
+
+import com.soogung.simblue.domain.user.domain.Student;
+import com.soogung.simblue.global.entity.BaseTimeEntity;
+import lombok.AccessLevel;
+import lombok.Builder;
+import lombok.Getter;
+import lombok.NoArgsConstructor;
+
+import javax.persistence.*;
+
+@Entity
+@Table(name = "tbl_member")
+@NoArgsConstructor(access = AccessLevel.PROTECTED)
+@Getter
+public class Member extends BaseTimeEntity {
+
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    @Column(name = "member_id")
+    private Long id;
+
+    @ManyToOne(fetch = FetchType.LAZY)
+    @JoinColumn(name = "student_id", nullable = false)
+    private Student student;
+
+    @ManyToOne(fetch = FetchType.LAZY)
+    @JoinColumn(name = "group_id", nullable = false)
+    private Group group;
+
+    @Builder
+    public Member(Student student, Group group) {
+        this.student = student;
+        this.group = group;
+    }
+}

src/main/java/com/soogung/simblue/domain/group/domain/repository/GroupRepository.java

@@ -0,0 +1,12 @@
+package com.soogung.simblue.domain.group.domain.repository;
+
+import com.soogung.simblue.domain.group.domain.Group;
+import org.springframework.data.repository.CrudRepository;
+
+import java.util.List;
+
+
+public interface GroupRepository extends CrudRepository<Group, Long> {
+
+    List<Group> findAll();
+}

src/main/java/com/soogung/simblue/domain/group/domain/repository/MemberRepository.java

@@ -0,0 +1,7 @@
+package com.soogung.simblue.domain.group.domain.repository;
+
+import com.soogung.simblue.domain.group.domain.Member;
+import org.springframework.data.repository.CrudRepository;
+
+public interface MemberRepository extends CrudRepository<Member, Long> {
+}

src/main/java/com/soogung/simblue/domain/group/domain/type/GroupType.java

@@ -0,0 +1,6 @@
+package com.soogung.simblue.domain.group.domain.type;
+
+public enum GroupType {
+
+    CLASS, YEAR, MAJOR, ETC
+}

src/main/java/com/soogung/simblue/domain/group/presentation/GroupController.java

@@ -0,0 +1,32 @@
+package com.soogung.simblue.domain.group.presentation;
+
+import com.soogung.simblue.domain.group.presentation.dto.request.GroupRequest;
+import com.soogung.simblue.domain.group.presentation.dto.response.GroupListResponse;
+import com.soogung.simblue.domain.group.service.CreateGroupService;
+import com.soogung.simblue.domain.group.service.QueryGroupService;
+import lombok.RequiredArgsConstructor;
+import org.springframework.web.bind.annotation.*;
+
+import javax.validation.Valid;
+import java.util.List;
+
+@RestController
+@RequestMapping("/group")
+@RequiredArgsConstructor
+public class GroupController {
+
+    private final CreateGroupService createGroupService;
+
+    private final QueryGroupService queryGroupService;
+
+    @PostMapping
+    public void createGroup(@RequestBody @Valid GroupRequest request) {
+        createGroupService.execute(request);
+    }
+
+    @GetMapping
+    public GroupListResponse getListGroups(){
+        return queryGroupService.execute();
+    }
+
+}

src/main/java/com/soogung/simblue/domain/group/presentation/dto/request/GroupRequest.java

@@ -0,0 +1,31 @@
+package com.soogung.simblue.domain.group.presentation.dto.request;
+
+import com.soogung.simblue.domain.group.domain.Group;
+import com.soogung.simblue.domain.group.domain.type.GroupType;
+import lombok.AllArgsConstructor;
+import lombok.Getter;
+import lombok.NoArgsConstructor;
+
+import javax.validation.constraints.NotNull;
+import javax.validation.constraints.Size;
+
+@Getter
+@AllArgsConstructor
+@NoArgsConstructor
+public class GroupRequest {
+
+    @NotNull
+    @Size(min = 1, max = 20)
+    private String name;
+
+    @NotNull
+    private GroupType type;
+
+    public Group toEntity() {
+        return Group.builder()
+                .name(name)
+                .type(type)
+                .build();
+    }
+
+}

src/main/java/com/soogung/simblue/domain/group/presentation/dto/response/GroupListResponse.java

@@ -0,0 +1,17 @@
+package com.soogung.simblue.domain.group.presentation.dto.response;
+
+import com.soogung.simblue.domain.group.domain.Group;
+import com.soogung.simblue.domain.group.domain.type.GroupType;
+import lombok.AllArgsConstructor;
+import lombok.Builder;
+import lombok.Getter;
+
+import java.util.List;
+
+@Getter
+@AllArgsConstructor
+public class GroupListResponse {
+
+    private List<GroupResponse> groupList;
+
+}

src/main/java/com/soogung/simblue/domain/group/presentation/dto/response/GroupResponse.java

@@ -0,0 +1,24 @@
+package com.soogung.simblue.domain.group.presentation.dto.response;
+
+import com.soogung.simblue.domain.group.domain.Group;
+import com.soogung.simblue.domain.group.domain.type.GroupType;
+import lombok.Builder;
+import lombok.Getter;
+
+@Getter
+@Builder
+public class GroupResponse {
+
+    private Long id;
+    private String name;
+    private GroupType type;
+
+    public static GroupResponse of(Group group) {
+        return GroupResponse.builder()
+                .id(group.getId())
+                .name(group.getName())
+                .type(group.getType())
+                .build();
+    }
+
+}

src/main/java/com/soogung/simblue/domain/group/service/CreateGroupService.java

@@ -0,0 +1,22 @@
+package com.soogung.simblue.domain.group.service;
+
+import com.soogung.simblue.domain.group.domain.Group;
+import com.soogung.simblue.domain.group.domain.repository.GroupRepository;
+import com.soogung.simblue.domain.group.presentation.dto.request.GroupRequest;
+import lombok.RequiredArgsConstructor;
+import org.springframework.stereotype.Service;
+
+import javax.transaction.Transactional;
+
+@Service
+@RequiredArgsConstructor
+public class CreateGroupService {
+
+    final GroupRepository groupRepository;
+
+    @Transactional
+    public void execute(GroupRequest request) {
+        Group group = groupRepository.save(request.toEntity());
+    }
+
+}

src/main/java/com/soogung/simblue/domain/group/service/QueryGroupService.java

@@ -0,0 +1,28 @@
+package com.soogung.simblue.domain.group.service;
+
+import com.soogung.simblue.domain.application.presentation.dto.response.ApplicationResponse;
+import com.soogung.simblue.domain.group.domain.Group;
+import com.soogung.simblue.domain.group.domain.repository.GroupRepository;
+import com.soogung.simblue.domain.group.presentation.dto.response.GroupListResponse;
+import com.soogung.simblue.domain.group.presentation.dto.response.GroupResponse;
+import lombok.RequiredArgsConstructor;
+import org.springframework.stereotype.Service;
+
+import org.springframework.transaction.annotation.Transactional;
+import java.util.stream.Collectors;
+
+@Service
+@RequiredArgsConstructor
+public class QueryGroupService {
+
+    private final GroupRepository groupRepository;
+
+    @Transactional(readOnly = true)
+    public GroupListResponse execute(){
+        return new GroupListResponse(
+            groupRepository.findAll()
+                    .stream().map(GroupResponse::of).collect(Collectors.toList())
+        );
+    }
+
+}