feat 해답 블로그 새로고침 기능 구현

src/main/java/com/api/TaveShot/domain/search/controller/SearchController.java

@@ -24,7 +24,13 @@ public class SearchController {
 
     @GetMapping
     public SuccessResponse<GoogleListResponseDto> getList(@RequestParam String query){
-        GoogleListResponseDto response = searchService.findBlog(query);
+        GoogleListResponseDto response = searchService.findBlog(query, 1);
+        return new SuccessResponse<>(response);
+    }
+
+    @GetMapping("/refresh")
+    public SuccessResponse<GoogleListResponseDto> getRefresh(@RequestParam String query, @RequestParam(value = "start") int index){
+        GoogleListResponseDto response = searchService.findBlog(query, index);
         return new SuccessResponse<>(response);
     }
 }

src/main/java/com/api/TaveShot/domain/search/dto/GoogleQueryDto.java

@@ -0,0 +1,21 @@
+package com.api.TaveShot.domain.search.dto;
+
+import com.fasterxml.jackson.annotation.JsonProperty;
+import lombok.AllArgsConstructor;
+import lombok.Builder;
+import lombok.Getter;
+import lombok.NoArgsConstructor;
+import lombok.extern.slf4j.Slf4j;
+
+import java.util.List;
+
+@Getter
+@AllArgsConstructor
+@NoArgsConstructor
+@Builder
+@Slf4j
+public class GoogleQueryDto {
+
+    @JsonProperty(value = "request")
+    private List<GoogleRequestDto> requests;
+}

src/main/java/com/api/TaveShot/domain/search/dto/GoogleRequestDto.java

@@ -0,0 +1,22 @@
+package com.api.TaveShot.domain.search.dto;
+
+import com.fasterxml.jackson.annotation.JsonProperty;
+import lombok.AllArgsConstructor;
+import lombok.Builder;
+import lombok.Getter;
+import lombok.NoArgsConstructor;
+import lombok.extern.slf4j.Slf4j;
+
+@Getter
+@AllArgsConstructor
+@NoArgsConstructor
+@Builder
+@Slf4j
+public class GoogleRequestDto {
+
+    @JsonProperty(value = "totalResults")
+    private String totalResults;
+
+    @JsonProperty(value = "startIndex")
+    private Integer startIndex;
+}

src/main/java/com/api/TaveShot/domain/search/dto/GoogleResponseDto.java

@@ -12,6 +12,9 @@
 @NoArgsConstructor
 public class GoogleResponseDto {
 
+    @JsonProperty(value = "queries")
+    private GoogleQueryDto queries;
+
     @JsonProperty(value = "items")
     private List<GoogleItemDto> items;
 }

src/main/java/com/api/TaveShot/domain/search/service/SearchService.java

@@ -31,7 +31,7 @@ public class SearchService {
     private String CX;
 
 
-    public GoogleListResponseDto findBlog(String query) {
+    public GoogleListResponseDto findBlog(String query, int index) {
         WebClient webClient = WebClient.builder()
                 .baseUrl("https://www.googleapis.com/customsearch/v1")
                 .build();
@@ -41,6 +41,7 @@ public GoogleListResponseDto findBlog(String query) {
                         .queryParam("key", KEY)
                         .queryParam("cx", CX)
                         .queryParam("q", query)
+                        .queryParam("start", index)
                         .build())
                 .accept(MediaType.APPLICATION_JSON)
                 .retrieve()

src/main/java/com/api/TaveShot/global/config/SecurityConfig.java

@@ -33,7 +33,7 @@ public SecurityFilterChain filterChain(HttpSecurity http) throws Exception {
                 .cors(corsCustomizer -> corsCustomizer.configurationSource(request -> {
                     CorsConfiguration cors = new CorsConfiguration();
                     cors.setAllowedOrigins(List.of("*", "http://localhost:3000", "http://localhost:8080"));
-                    cors.setAllowedMethods(List.of("GET", "POST", "PATCH", "DELETE"));
+                    cors.setAllowedMethods(List.of("GET", "POST", "PATCH", "DELETE", "OPTIONS"));
                     // cookie 비활성화
                     cors.setAllowCredentials(false);
                     // Authorization Header 노출