refactor: 가능 시간 reqeust dto list형식으로 변환

src/main/java/com/soongsil/CoffeeChat/controller/PossibleDateController.java

@@ -1,10 +1,10 @@
 package com.soongsil.CoffeeChat.controller;
 
 import static com.soongsil.CoffeeChat.enums.RequestUri.*;
-import static org.springframework.http.HttpStatus.*;
 
 import java.net.URI;
 import java.util.List;
+import java.util.stream.Collectors;
 
 import org.springframework.http.ResponseEntity;
 import org.springframework.security.core.Authentication;
@@ -42,13 +42,17 @@ private String getUserNameByAuthentication(Authentication authentication) throws
 	@PostMapping()
 	@Operation(summary = "멘토가 직접 커피챗 가능시간 추가하기")
 	@ApiResponse(responseCode = "201", description = "DTO형식으로 정보 반환")
-	public ResponseEntity<ApiResponseGenerator<PossibleDateCreateGetResponseDto>> addPossibleDate(
+	public ResponseEntity<ApiResponseGenerator<List<PossibleDateCreateGetResponseDto>>> addPossibleDate(
 		Authentication authentication,
-		@RequestBody PossibleDateCreateRequestDto dto) throws Exception {
+		@RequestBody List<PossibleDateCreateRequestDto> dtos) throws Exception {
+		String username = getUserNameByAuthentication(authentication);
+
+		List<PossibleDateCreateGetResponseDto> responseDtos = dtos.stream()
+			.map(dto -> possibleDateService.createPossibleDate(dto, username))
+			.collect(Collectors.toList());
+
 		return ResponseEntity.created(URI.create(POSSIBLEDATE_URI)).body(
-			ApiResponseGenerator.onSuccessCREATED(
-				possibleDateService.createPossibleDate(dto, getUserNameByAuthentication(authentication))
-			)
+			ApiResponseGenerator.onSuccessCREATED(responseDtos)
 		);
 	}