fix lckSchedule get api

WableServer/src/main/java/com/wable/www/WableServer/api/lck/dto/reponse/LckScheduleByDateDto.java

@@ -0,0 +1,15 @@
+package com.wable.www.WableServer.api.lck.dto.reponse;
+
+import java.util.List;
+
+public record LckScheduleByDateDto(
+		String date,
+		List<LckScheduleGetDto> games
+) {
+	public static LckScheduleByDateDto of(String date, List<LckScheduleGetDto> games) {
+		return new LckScheduleByDateDto(
+				date,
+				games
+		);
+	}
+}

WableServer/src/main/java/com/wable/www/WableServer/api/lck/service/LckScheduleQueryService.java

@@ -2,6 +2,7 @@
 
 import com.wable.www.WableServer.api.lck.domain.LckSchedule;
 import com.wable.www.WableServer.api.lck.dto.reponse.LckRankingGetDto;
+import com.wable.www.WableServer.api.lck.dto.reponse.LckScheduleByDateDto;
 import com.wable.www.WableServer.api.lck.dto.reponse.LckScheduleGetDto;
 import com.wable.www.WableServer.api.lck.repository.LckScheduleRepository;
 import com.wable.www.WableServer.common.util.TimeUtilCustom;
@@ -11,8 +12,10 @@
 
 import java.time.DayOfWeek;
 import java.time.LocalDateTime;
+import java.time.format.DateTimeFormatter;
 import java.time.temporal.TemporalAdjusters;
 import java.util.List;
+import java.util.Map;
 import java.util.stream.Collectors;
 
 @Service
@@ -21,14 +24,22 @@
 public class LckScheduleQueryService {
 	private final LckScheduleRepository lckScheduleRepository;
 
-	public List<LckScheduleGetDto> getLckSchedule() {
+	public List<LckScheduleByDateDto> getLckSchedule() {
 		LocalDateTime now = LocalDateTime.now().withHour(0).withMinute(0).withSecond(0).withNano(0);
 		LocalDateTime endDate = now.with(TemporalAdjusters.next(DayOfWeek.SUNDAY)).plusDays(7);
 
 		List<LckSchedule> lckSchedules = lckScheduleRepository.findAllByLckDateBetween(now, endDate);
 
-		return lckSchedules.stream()
+		Map<String, List<LckScheduleGetDto>> groupedByDate = lckSchedules.stream()
 				.map(lckSchedule -> LckScheduleGetDto.of(lckSchedule, TimeUtilCustom.refineTimeLckSchedule(lckSchedule.getLckDate())))
+				.collect(Collectors.groupingBy(dto -> {
+					LocalDateTime gameDateTime = LocalDateTime.parse(dto.gameDate(), DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm"));
+					return TimeUtilCustom.refineDateOnly(gameDateTime);
+				}));
+
+		// 날짜별로 그룹화된 데이터를 LckScheduleByDateDto로 변환
+		return groupedByDate.entrySet().stream()
+				.map(entry -> LckScheduleByDateDto.of(entry.getKey(), entry.getValue()))
 				.collect(Collectors.toList());
 	}
 }

WableServer/src/main/java/com/wable/www/WableServer/common/util/TimeUtilCustom.java

@@ -21,4 +21,9 @@ public static String refineTimeLckSchedule(LocalDateTime localDateTime) {
         DateTimeFormatter formatter = DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm");
         return localDateTime.format(formatter);
     }
+
+    public static String refineDateOnly(LocalDateTime localDateTime) {
+        DateTimeFormatter formatter = DateTimeFormatter.ofPattern("yyyy-MM-dd");
+        return localDateTime.format(formatter);
+    }
 }