refactor : searchFestival-search-logic (#60)

Author: hongjungwook1

tour/src/main/java/com/jocketdan/tour/dto/openApi/SearchFestivalResponseDTO.java

@@ -3,31 +3,36 @@
 import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
 import lombok.AccessLevel;
 import lombok.Getter;
+import lombok.Setter;
 import lombok.experimental.FieldDefaults;
 
 import java.util.List;
 
 @Getter
+@Setter
 @FieldDefaults(level = AccessLevel.PRIVATE)
 @JsonIgnoreProperties(ignoreUnknown = true)
 public class SearchFestivalResponseDTO {
     Response response;
 
     @Getter
+    @Setter
     @FieldDefaults(level = AccessLevel.PRIVATE)
     public static class Response {
         Header header;
         Body body;
     }
 
     @Getter
+    @Setter
     @FieldDefaults(level = AccessLevel.PRIVATE)
     public static class Header {
         String resultCode;
         String resultMsg;
     }
 
     @Getter
+    @Setter
     @FieldDefaults(level = AccessLevel.PRIVATE)
     public static class Body {
         Items items;
@@ -37,12 +42,14 @@ public static class Body {
     }
 
     @Getter
+    @Setter
     @FieldDefaults(level = AccessLevel.PRIVATE)
     public static class Items {
         List<Item> item;
     }
 
     @Getter
+    @Setter
     @FieldDefaults(level = AccessLevel.PRIVATE)
     @JsonIgnoreProperties(ignoreUnknown = true)
     public static class Item {

tour/src/main/java/com/jocketdan/tour/service/TourOpenApiService.java

@@ -12,6 +12,7 @@
 import org.springframework.stereotype.Service;
 import org.springframework.transaction.annotation.Transactional;
 
+import java.util.List;
 import java.util.Map;
 import java.util.Objects;
 
@@ -55,7 +56,7 @@ public SearchFestivalResponseDTO getSearchFestival(
             String eventStartDate,
             String eventEndDate
     ) {
-        return publicDataApiClient.call(
+        SearchFestivalResponseDTO response = publicDataApiClient.call(
                 "/searchFestival2",
                 Map.of(
                         "numOfRows", numOfRows,
@@ -68,6 +69,8 @@ public SearchFestivalResponseDTO getSearchFestival(
                 ),
                 SearchFestivalResponseDTO.class
         );
+
+        return filterFestivalsByDateRange(response, eventStartDate, eventEndDate);
     }
 
     public SearchKeywordResponseDTO getSearchKeyword(
@@ -184,4 +187,52 @@ private OpenApiPlaceDetail convertToEntity(DetailsResponseDTO dto, String conten
                 item.getCpyrhtDivCd()
         );
     }
+
+    private SearchFestivalResponseDTO filterFestivalsByDateRange(
+            SearchFestivalResponseDTO response,
+            String filterStartDate,
+            String filterEndDate
+    ) {
+        if (response == null || response.getResponse() == null
+                || response.getResponse().getBody() == null
+                || response.getResponse().getBody().getItems() == null) {
+            return response;
+        }
+
+        List<SearchFestivalResponseDTO.Item> items = response.getResponse().getBody().getItems().getItem();
+        if (items == null || items.isEmpty()) {
+            return response;
+        }
+
+        List<SearchFestivalResponseDTO.Item> filteredItems = items.stream()
+                .filter(item -> isEventInDateRange(item, filterStartDate, filterEndDate))
+                .toList();
+
+        SearchFestivalResponseDTO filteredResponse = new SearchFestivalResponseDTO();
+        SearchFestivalResponseDTO.Response newResponse = new SearchFestivalResponseDTO.Response();
+        SearchFestivalResponseDTO.Body newBody = new SearchFestivalResponseDTO.Body();
+        SearchFestivalResponseDTO.Items newItems = new SearchFestivalResponseDTO.Items();
+
+        newItems.setItem(filteredItems);
+        newBody.setItems(newItems);
+        newBody.setTotalCount(filteredItems.size());
+        newBody.setNumOfRows(response.getResponse().getBody().getNumOfRows());
+        newBody.setPageNo(response.getResponse().getBody().getPageNo());
+        newResponse.setBody(newBody);
+        newResponse.setHeader(response.getResponse().getHeader());
+        filteredResponse.setResponse(newResponse);
+
+        return filteredResponse;
+    }
+
+    private boolean isEventInDateRange(SearchFestivalResponseDTO.Item item, String filterStartDate, String filterEndDate) {
+        String eventStart = item.getEventstartdate();
+        String eventEnd = item.getEventenddate();
+
+        if (eventStart == null || eventEnd == null) {
+            return false;
+        }
+
+        return eventStart.compareTo(filterStartDate) >= 0 && eventEnd.compareTo(filterEndDate) <= 0;
+    }
 }