[FEAT] 카테고리별 최신 게시물 조회 API 구현 - #434

src/main/java/org/sopt/app/application/playground/PlaygroundAuthService.java

@@ -1,22 +1,42 @@
 package org.sopt.app.application.playground;
 
-import static org.sopt.app.application.playground.PlaygroundHeaderCreator.*;
+import static org.sopt.app.application.playground.PlaygroundHeaderCreator.createAuthorizationHeaderByUserPlaygroundToken;
+import static org.sopt.app.application.playground.PlaygroundHeaderCreator.createDefaultHeader;
 
-import lombok.*;
 import io.jsonwebtoken.ExpiredJwtException;
 import java.net.URLEncoder;
 import java.nio.charset.StandardCharsets;
-import java.util.*;
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.List;
+import java.util.Map;
+import java.util.concurrent.CompletableFuture;
+import java.util.concurrent.ExecutorService;
+import java.util.concurrent.Executors;
 import java.util.stream.Collectors;
-import org.sopt.app.application.playground.dto.PlayGroundEmploymentResponse;
-import org.sopt.app.application.playground.dto.PlaygroundPostInfo.*;
-import org.sopt.app.application.playground.dto.PlaygroundProfileInfo.*;
+import lombok.RequiredArgsConstructor;
+import lombok.val;
 import org.sopt.app.application.auth.dto.PlaygroundAuthTokenInfo.RefreshedToken;
-import org.sopt.app.common.exception.*;
+import org.sopt.app.application.playground.dto.PlayGroundEmploymentResponse;
+import org.sopt.app.application.playground.dto.PlayGroundPostCategory;
+import org.sopt.app.application.playground.dto.PlaygroundPostInfo.PlaygroundPost;
+import org.sopt.app.application.playground.dto.PlaygroundPostInfo.PlaygroundPostResponse;
+import org.sopt.app.application.playground.dto.PlaygroundProfileInfo.ActiveUserIds;
+import org.sopt.app.application.playground.dto.PlaygroundProfileInfo.ActivityCardinalInfo;
+import org.sopt.app.application.playground.dto.PlaygroundProfileInfo.MainView;
+import org.sopt.app.application.playground.dto.PlaygroundProfileInfo.MainViewUser;
+import org.sopt.app.application.playground.dto.PlaygroundProfileInfo.OwnPlaygroundProfile;
+import org.sopt.app.application.playground.dto.PlaygroundProfileInfo.PlaygroundMain;
+import org.sopt.app.application.playground.dto.PlaygroundProfileInfo.PlaygroundProfile;
+import org.sopt.app.application.playground.dto.PlaygroundProfileInfo.UserActiveInfo;
+import org.sopt.app.common.exception.BadRequestException;
+import org.sopt.app.common.exception.UnauthorizedException;
 import org.sopt.app.common.response.ErrorCode;
 import org.sopt.app.domain.enums.UserStatus;
-import org.sopt.app.presentation.auth.AppAuthRequest.*;
+import org.sopt.app.presentation.auth.AppAuthRequest.AccessTokenRequest;
+import org.sopt.app.presentation.auth.AppAuthRequest.CodeRequest;
 import org.sopt.app.presentation.home.response.EmploymentPostResponse;
+import org.sopt.app.presentation.home.response.RecentPostsResponse;
 import org.springframework.beans.factory.annotation.Value;
 import org.springframework.stereotype.Service;
 import org.springframework.web.client.HttpClientErrorException.BadRequest;
@@ -161,12 +181,30 @@ public boolean isCurrentGeneration(Long generation) {
         return generation.equals(currentGeneration);
     }
 
+    public List<RecentPostsResponse> getRecentPosts(String playgroundToken) {
+        final Map<String, String> accessToken = createAuthorizationHeaderByUserPlaygroundToken(playgroundToken);
+        try (ExecutorService executor = Executors.newVirtualThreadPerTaskExecutor()) {
+            List<PlayGroundPostCategory> categories = List.of(PlayGroundPostCategory.SOPT_ACTIVITY, PlayGroundPostCategory.FREE, PlayGroundPostCategory.PART);
+            CompletableFuture<RecentPostsResponse> hotPostFuture = CompletableFuture.supplyAsync(() ->
+                    RecentPostsResponse.of(playgroundClient.getPlaygroundHotPost(accessToken)), executor);
+            List<CompletableFuture<RecentPostsResponse>> categoryFutures = categories.stream()
+                    .map(category -> CompletableFuture.supplyAsync(() -> playgroundClient.getRecentPosts(accessToken, category.getDisplayName()), executor))
+                    .toList();
+            List<CompletableFuture<RecentPostsResponse>> allFutures = new ArrayList<>(categoryFutures);
+            allFutures.addFirst(hotPostFuture);
+            CompletableFuture<Void> allOf = CompletableFuture.allOf(allFutures.toArray(new CompletableFuture[0]));
+            return allOf.thenApply(v -> allFutures.stream()
+                            .map(CompletableFuture::join)
+                            .toList())
+                    .join();
+        }
+    }
+
     public List<EmploymentPostResponse> getPlaygroundEmploymentPost(String accessToken) {
         Map<String, String> requestHeader = createAuthorizationHeaderByUserPlaygroundToken(accessToken);
         PlayGroundEmploymentResponse postInfo = playgroundClient.getPlaygroundEmploymentPost(requestHeader,16,10,0);
         return postInfo.posts().stream()
                 .map(EmploymentPostResponse::of)
                 .collect(Collectors.toList());
     }
-
 }

src/main/java/org/sopt/app/application/playground/PlaygroundClient.java

@@ -15,8 +15,8 @@
 import org.sopt.app.application.playground.dto.PlaygroundProfileInfo.PlaygroundProfile;
 import org.sopt.app.application.playground.dto.PlaygroundUserFindCondition;
 import org.sopt.app.application.playground.dto.RecommendedFriendInfo.PlaygroundUserIds;
-import org.sopt.app.presentation.auth.AppAuthRequest.AccessTokenRequest;
-import org.sopt.app.presentation.auth.AppAuthRequest.CodeRequest;
+import org.sopt.app.presentation.auth.AppAuthRequest.*;
+import org.sopt.app.presentation.home.response.RecentPostsResponse;
 import org.springframework.cloud.openfeign.EnableFeignClients;
 import org.springframework.web.bind.annotation.RequestBody;
 
@@ -53,6 +53,9 @@ PlaygroundUserIds getPlaygroundUserIdsByCondition(@HeaderMap Map<String, String>
     @RequestLine("GET /api/v1/community/posts/hot")
     PlaygroundPostResponse getPlaygroundHotPost(@HeaderMap Map<String, String> headers);
 
+    @RequestLine("GET /internal/api/v1/community/post/recent?category={category}")
+    RecentPostsResponse getRecentPosts(@HeaderMap Map<String, String> headers, @Param("category") String category);
+
     @RequestLine("GET /api/v1/community/posts?categoryId={categoryId}&limit={limit}&cursor={cursor}")
     PlayGroundEmploymentResponse getPlaygroundEmploymentPost(@HeaderMap Map<String, String> headers,
                                                              @Param int categoryId,

src/main/java/org/sopt/app/application/playground/dto/PlayGroundPostCategory.java

@@ -0,0 +1,17 @@
+package org.sopt.app.application.playground.dto;
+
+public enum PlayGroundPostCategory {
+    SOPT_ACTIVITY("SOPT 활동"),
+    FREE("자유"),
+    PART("파트");
+    private final String displayName;
+
+    PlayGroundPostCategory(String displayName) {
+        this.displayName = displayName;
+    }
+
+    public String getDisplayName() {
+        return displayName;
+    }
+}
+

src/main/java/org/sopt/app/facade/HomeFacade.java

@@ -13,6 +13,7 @@
 import org.sopt.app.domain.entity.User;
 import org.sopt.app.domain.enums.UserStatus;
 import org.sopt.app.presentation.home.HomeDescriptionResponse;
+import org.sopt.app.presentation.home.response.RecentPostsResponse;
 import org.sopt.app.presentation.home.response.EmploymentPostResponse;
 import org.springframework.stereotype.Service;
 import org.springframework.transaction.annotation.Transactional;
@@ -69,6 +70,17 @@ private boolean isServiceVisibleToUser(AppServiceInfo appServiceInfo, User user)
         return false;
     }
 
+    public List<RecentPostsResponse> getRecentPosts(User user) {
+        return playgroundAuthService.getRecentPosts(user.getPlaygroundToken()).stream()
+                .map(post -> RecentPostsResponse.builder()
+                        .id(post.getId())
+                        .title(post.getTitle())
+                        .category(post.getCategory())
+                        .isHotPost(post.isHotPost())
+                        .build()
+                ).toList();
+    }
+
     public List<EmploymentPostResponse> getHomeEmploymentPost(User  user) {
         return playgroundAuthService.getPlaygroundEmploymentPost(user.getPlaygroundToken());
     }

src/main/java/org/sopt/app/presentation/home/HomeController.java

@@ -11,6 +11,7 @@
 import org.sopt.app.application.meeting.MeetingResponse;
 import org.sopt.app.domain.entity.User;
 import org.sopt.app.facade.HomeFacade;
+import org.sopt.app.presentation.home.response.RecentPostsResponse;
 import org.sopt.app.presentation.home.response.EmploymentPostResponse;
 import org.springframework.http.ResponseEntity;
 import org.springframework.security.core.annotation.AuthenticationPrincipal;
@@ -54,7 +55,21 @@ public ResponseEntity<List<AppServiceEntryStatusResponse>> getAppService(
         );
     }
 
+
     @Operation(summary = "최근 채용탭 10개 조회")
+    @ApiResponses({
+            @ApiResponse(responseCode = "200", description = "success"),
+            @ApiResponse(responseCode = "401", description = "token error", content = @Content),
+            @ApiResponse(responseCode = "500", description = "server error", content = @Content)
+    })
+    @GetMapping("/posts")
+    public ResponseEntity<List<RecentPostsResponse>> getRecentPost(
+            @AuthenticationPrincipal User user
+    ) {
+        return ResponseEntity.ok(
+                homeFacade.getRecentPosts(user));
+    }
+
     @ApiResponses({
             @ApiResponse(responseCode = "200", description = "success"),
             @ApiResponse(responseCode = "401", description = "token error", content = @Content),

src/main/java/org/sopt/app/presentation/home/response/RecentPostsResponse.java

@@ -0,0 +1,29 @@
+package org.sopt.app.presentation.home.response;
+
+import lombok.AllArgsConstructor;
+import lombok.Builder;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+import org.sopt.app.application.playground.dto.PlaygroundPostInfo.PlaygroundPostResponse;
+
+@Data
+@Builder
+@NoArgsConstructor
+@AllArgsConstructor
+public class RecentPostsResponse {
+    private Long id;
+    private String title;
+    private String category;
+    private String content;
+    private boolean isHotPost;
+
+    public static RecentPostsResponse of(PlaygroundPostResponse playgroundPostResponse) {
+        return RecentPostsResponse.builder()
+                .id(playgroundPostResponse.postId())
+                .title(playgroundPostResponse.title())
+                .category("HOT")
+                .content(playgroundPostResponse.content())
+                .isHotPost(true)
+                .build();
+    }
+}