[feat] 추천활동이 여러개 일 시 모두 반환해주기 위해 응답값을 리스트로 변경

Author: hyunmuam

src/main/java/nambang_swag/bada_on/response/WeatherSummary.java

@@ -2,27 +2,26 @@
 
 import java.util.List;
 
-import nambang_swag.bada_on.constant.Activity;
 import nambang_swag.bada_on.entity.Weather;
 
 public record WeatherSummary(
 	int date,
 	int hour,
 	List<String> warning,
-	String recommendActivity,
+	List<String> recommendActivity,
 	String skyCondition,
 	float temperature,
 	String wind,
 	float tideHeight,
 	float waveHeight
 ) {
-	public static WeatherSummary of(Weather weather, List<String> warning, Activity recommendActivity,
+	public static WeatherSummary of(Weather weather, List<String> warning, List<String> recommendActivities,
 		float tideHeight) {
 		return new WeatherSummary(
 			weather.getDate(),
 			weather.getTime() / 100,
 			warning,
-			recommendActivity.getValue(),
+			recommendActivities,
 			getSkyCondition(weather),
 			weather.getHourlyTemperature(),
 			getWindString(weather.getWindSpeed()),

src/main/java/nambang_swag/bada_on/service/WeatherService.java

@@ -6,6 +6,7 @@
 import java.time.format.DateTimeFormatter;
 import java.time.temporal.ChronoUnit;
 import java.util.ArrayList;
+import java.util.Collections;
 import java.util.Comparator;
 import java.util.HashMap;
 import java.util.List;
@@ -61,7 +62,7 @@ public WeatherSummary getWeatherSummary(Long id, int date, int hour) {
 		return WeatherSummary.of(
 			weather,
 			new ArrayList<>(),
-			getRecommendActivity(weather, tideRecords),
+			getRecommendActivities(weather, tideRecords),
 			tidePercentage
 		);
 	}
@@ -100,7 +101,7 @@ public WeatherDetail getWeatherDetail(Long placeId, int date, int hour) {
 		);
 	}
 
-	private Activity getRecommendActivity(Weather weather, List<TideRecord> tideRecords) {
+	private List<String> getRecommendActivities(Weather weather, List<TideRecord> tideRecords) {
 		Map<Activity, Integer> activityScores = new HashMap<>();
 
 		activityScores.put(SNORKELING, calculateSnorkelingScore(weather, tideRecords));
@@ -109,10 +110,12 @@ private Activity getRecommendActivity(Weather weather, List<TideRecord> tideReco
 		activityScores.put(KAYAKING_AND_PADDLE_BOARDING, calculateKayakingPaddleBoardingScore(weather, tideRecords));
 		activityScores.put(SURFING, calculateSurfingScore(weather, tideRecords));
 
+		int maxScore = Collections.max(activityScores.values());
+
 		return activityScores.entrySet().stream()
-			.max(Map.Entry.comparingByValue())
-			.orElseThrow(() -> new IllegalStateException("No activity scores available"))
-			.getKey();
+			.filter(entry -> entry.getValue() == maxScore)
+			.map(entry -> entry.getKey().getValue())
+			.collect(Collectors.toList());
 	}
 
 	// Calculate Point