feat: improve school admin editing and refactor file handling

Author: HD152521

src/main/java/com/cooperation/project/cooperationcenter/domain/file/service/FileService.java

@@ -39,11 +39,23 @@ public class SchoolAdminRestController {
         학교 기본 정보를 등록합니다.
         """
     )
-    @PostMapping("/save")
-    public BaseResponse<?> saveSchool(@RequestBody SchoolRequest.SchoolDto request){
-        schoolService.saveSchool(request);
-        return BaseResponse.onSuccess("success");
-    }
+    @PostMapping("/save")
+    public BaseResponse<?> saveSchool(@RequestBody SchoolRequest.SchoolDto request){
+        schoolService.saveSchool(request);
+        return BaseResponse.onSuccess("success");
+    }
+
+    @Operation(
+            summary = "?숆탳 ?뺣낫 ?섏젙",
+            description = """
+        ?숆탳 湲곕낯 ?뺣낫(援??숊삎, ?곸뼱紐?, 濡쒓퀬 URL)瑜??섏젙?⑸땲??
+        """
+    )
+    @PatchMapping
+    public BaseResponse<?> editSchool(@RequestBody SchoolRequest.SchoolEditDto request){
+        schoolService.editSchool(request);
+        return BaseResponse.onSuccess("success");
+    }
 
     @Operation(
             summary = "학교 소개 정보 저장",

src/main/java/com/cooperation/project/cooperationcenter/domain/school/controller/adminpage/SchoolAdminRestController.java

@@ -6,11 +6,18 @@
 import java.util.List;
 
 public class SchoolRequest {
-    public record SchoolDto(
-            String schoolKoreanName,
-            String schoolEnglishName,
-            String imgUrl
-    ){}
+    public record SchoolDto(
+            String schoolKoreanName,
+            String schoolEnglishName,
+            String imgUrl
+    ){}
+
+    public record SchoolEditDto(
+            Long schoolId,
+            String schoolKoreanName,
+            String schoolEnglishName,
+            String imgUrl
+    ){}
 
     public record SchoolBoardDto(
             Long schoolId,

src/main/java/com/cooperation/project/cooperationcenter/domain/school/dto/SchoolRequest.java

@@ -44,13 +44,19 @@ public void deleteAllBoard() {
         boards.clear();
     }
 
-    public static School fromDto(SchoolRequest.SchoolDto dto){
-        return School.builder()
-                .schoolEnglishName(dto.schoolEnglishName())
-                .schoolKoreanName(dto.schoolKoreanName())
-                .logoUrl(dto.imgUrl())
-                .build();
-    }
+    public static School fromDto(SchoolRequest.SchoolDto dto){
+        return School.builder()
+                .schoolEnglishName(dto.schoolEnglishName())
+                .schoolKoreanName(dto.schoolKoreanName())
+                .logoUrl(dto.imgUrl())
+                .build();
+    }
+
+    public void updateInfo(SchoolRequest.SchoolEditDto dto) {
+        this.schoolKoreanName = dto.schoolKoreanName();
+        this.schoolEnglishName = dto.schoolEnglishName();
+        this.logoUrl = dto.imgUrl();
+    }
 
     public boolean hasIntroBoard(){
         for(SchoolBoard board: boards){

src/main/java/com/cooperation/project/cooperationcenter/domain/school/model/School.java

@@ -5,8 +5,9 @@
 
 import java.util.Optional;
 
-public interface SchoolRepository extends JpaRepository<School,Long> {
-    Optional<School> findSchoolById(Long id);
-    Optional<School> findSchoolBySchoolEnglishName(String englishName);
-    boolean existsBySchoolEnglishName(String englishName);
-}
+public interface SchoolRepository extends JpaRepository<School,Long> {
+    Optional<School> findSchoolById(Long id);
+    Optional<School> findSchoolBySchoolEnglishName(String englishName);
+    boolean existsBySchoolEnglishName(String englishName);
+    boolean existsBySchoolEnglishNameAndIdNot(String englishName, Long id);
+}

src/main/java/com/cooperation/project/cooperationcenter/domain/school/repository/SchoolRepository.java

@@ -42,15 +42,26 @@ public class SchoolService {
     private final CollegeRepository collegeRepository;
 
     @Transactional
-    public void saveSchool(SchoolRequest.SchoolDto request){
+    public void saveSchool(SchoolRequest.SchoolDto request){
 
         if (schoolRepository.existsBySchoolEnglishName(request.schoolEnglishName())) {
             throw new SchoolHandler(SchoolErrorStatus.SCHOOL_ALREADY_EXISTS);
         }
 
-        School school = School.fromDto(request);
-        schoolRepository.save(school);
-    }
+        School school = School.fromDto(request);
+        schoolRepository.save(school);
+    }
+
+    @Transactional
+    public void editSchool(SchoolRequest.SchoolEditDto request) {
+        School school = schoolFindService.loadSchoolById(request.schoolId());
+
+        if (schoolRepository.existsBySchoolEnglishNameAndIdNot(request.schoolEnglishName(), request.schoolId())) {
+            throw new SchoolHandler(SchoolErrorStatus.SCHOOL_ALREADY_EXISTS);
+        }
+
+        school.updateInfo(request);
+    }
 
     @Transactional
     public void saveBoard(SchoolRequest.SchoolBoardDto request){