[feat] 대학교 추가 API 구현 (#214)

* [feat] make command, request DTO

* [feat] add static method in UniversityEntity

* [feat] implements controller

* [feat] implements service

* [chore] update submodule

* [refactor] change package

* [chore] update submodule

* [refactor] add a line break

src/main/java/org/hankki/hankkiserver/api/university/controller/UniversityController.java

@@ -2,10 +2,15 @@
 
 import lombok.RequiredArgsConstructor;
 import org.hankki.hankkiserver.api.dto.HankkiResponse;
+import org.hankki.hankkiserver.api.university.controller.request.UniversitiesPostRequest;
+import org.hankki.hankkiserver.api.university.service.UniversityCommandService;
 import org.hankki.hankkiserver.api.university.service.UniversityQueryService;
+import org.hankki.hankkiserver.api.university.service.command.UniversitiesPostCommand;
 import org.hankki.hankkiserver.api.university.service.response.UniversitiesResponse;
 import org.hankki.hankkiserver.common.code.CommonSuccessCode;
 import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.PostMapping;
+import org.springframework.web.bind.annotation.RequestBody;
 import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RestController;
 
@@ -15,9 +20,16 @@
 public class UniversityController {
 
     private final UniversityQueryService universityQueryService;
+    private final UniversityCommandService universityCommandService;
 
     @GetMapping("/universities")
     public HankkiResponse<UniversitiesResponse> getUniversities() {
         return HankkiResponse.success(CommonSuccessCode.OK, universityQueryService.findAllByOrderByName());
     }
+
+    @PostMapping("/universities")
+    public HankkiResponse<Void> createUniversities(@RequestBody UniversitiesPostRequest universitiesPostRequest) {
+        universityCommandService.createUniversities(UniversitiesPostCommand.of(universitiesPostRequest));
+        return HankkiResponse.success(CommonSuccessCode.CREATED);
+    }
 }

src/main/java/org/hankki/hankkiserver/api/university/controller/request/UniversitiesPostRequest.java

@@ -0,0 +1,7 @@
+package org.hankki.hankkiserver.api.university.controller.request;
+
+import java.util.List;
+
+public record UniversitiesPostRequest(List<UniversityRequest> universities) {
+  public record UniversityRequest(String name, double longitude, double latitude) { }
+}

src/main/java/org/hankki/hankkiserver/api/university/service/UniversityCommandService.java

@@ -0,0 +1,18 @@
+package org.hankki.hankkiserver.api.university.service;
+
+import lombok.RequiredArgsConstructor;
+import org.hankki.hankkiserver.api.university.service.command.UniversitiesPostCommand;
+import org.springframework.stereotype.Service;
+import org.springframework.transaction.annotation.Transactional;
+
+@Service
+@RequiredArgsConstructor
+public class UniversityCommandService {
+
+  private final UniversityUpdater universityUpdater;
+
+  @Transactional
+  public void createUniversities(UniversitiesPostCommand universitiesPostCommand) {
+    universityUpdater.saveAll(universitiesPostCommand.toEntityList());
+  }
+}

src/main/java/org/hankki/hankkiserver/api/university/service/UniversityUpdater.java

@@ -0,0 +1,18 @@
+package org.hankki.hankkiserver.api.university.service;
+
+import java.util.List;
+import lombok.RequiredArgsConstructor;
+import org.hankki.hankkiserver.domain.university.model.University;
+import org.hankki.hankkiserver.domain.university.repository.UniversityRepository;
+import org.springframework.stereotype.Component;
+
+@Component
+@RequiredArgsConstructor
+public class UniversityUpdater {
+
+  private final UniversityRepository universityRepository;
+
+  void saveAll(List<University> universities){
+    universityRepository.saveAll(universities);
+  }
+}

src/main/java/org/hankki/hankkiserver/api/university/service/command/UniversitiesPostCommand.java

@@ -0,0 +1,23 @@
+package org.hankki.hankkiserver.api.university.service.command;
+
+import java.util.List;
+import org.hankki.hankkiserver.api.university.controller.request.UniversitiesPostRequest;
+import org.hankki.hankkiserver.domain.common.Point;
+import org.hankki.hankkiserver.domain.university.model.University;
+
+public record UniversitiesPostCommand(List<UniversityCommand> universityCommands) {
+
+  record UniversityCommand(String name, double longitude, double latitude) {
+    University toEntity() {
+      return University.create(name, new Point(latitude, longitude));
+    }
+  }
+
+  public static UniversitiesPostCommand of(UniversitiesPostRequest universitiesPostRequest) {
+    return new UniversitiesPostCommand(universitiesPostRequest.universities().stream().map(it -> new UniversityCommand(it.name(), it.longitude(), it.latitude())).toList());
+  }
+
+  public List<University> toEntityList() {
+    return universityCommands.stream().map(UniversityCommand::toEntity).toList();
+  }
+}

src/main/java/org/hankki/hankkiserver/domain/university/model/University.java

@@ -1,7 +1,13 @@
 package org.hankki.hankkiserver.domain.university.model;
 
-import jakarta.persistence.*;
+import jakarta.persistence.Column;
+import jakarta.persistence.Embedded;
+import jakarta.persistence.Entity;
+import jakarta.persistence.GeneratedValue;
+import jakarta.persistence.GenerationType;
+import jakarta.persistence.Id;
 import lombok.AccessLevel;
+import lombok.Builder;
 import lombok.Getter;
 import lombok.NoArgsConstructor;
 import org.hankki.hankkiserver.domain.common.Point;
@@ -22,4 +28,16 @@ public class University {
     @Column(nullable = false)
     private String name;
 
+    public static University create(String name, Point point) {
+        return University.builder()
+            .name(name)
+            .point(point)
+            .build();
+    }
+
+    @Builder
+    private University(String name, Point point) {
+        this.name = name;
+        this.point = point;
+    }
 }