feat : 알림, 커뮤니티 프론트 구현 및 동작 테스트 (#157)

* feat : 커뮤니티 조회 부분 구현

* feat : 커뮤니티 토론글 및 댓글 작성 기능 구현

* feat : 토론글/댓글/대댓글 수정, 삭제, 추천 기능 구현

- 수정, 삭제 권한을 프론트 측에서 알기 위해서 isAuthor 필드 추가

* feat : 페이징 구현, 댓글 생성 버그 수정, 폰트 크기 수정 등

* feat : 알림 웹소켓 연결 및 모달 구현

* feat : 복구 완료

* feat : 정상 동작 확인

* feat : 정상 동작 확인 2

Author: NCookies

src/main/java/org/ezcode/codetest/application/community/dto/response/DiscussionResponse.java

@@ -39,7 +39,10 @@ public record DiscussionResponse(
 	Long replyCount,
 
 	@Schema(description = "현재 사용자의 추천 상태 (UP, DOWN, NONE)", example = "UP")
-	VoteType voteStatus
+	VoteType voteStatus,
+	
+	@Schema(description = "로그인한 유저의 해당 토론글 작성 여부", example = "true")
+	boolean isAuthor
 
 ) {
 
@@ -53,7 +56,8 @@ public static DiscussionResponse fromEntity(Discussion discussion) {
 			null,
 			null,
 			null,
-			null
+			null,
+			false
 		);
 	}
 
@@ -67,7 +71,8 @@ public static DiscussionResponse from(DiscussionQueryResult result) {
 			result.getUpvoteCount(),
 			result.getDownvoteCount(),
 			result.getReplyCount(),
-			result.getVoteStatus()
+			result.getVoteStatus(),
+			result.isAuthor()
 		);
 	}
 }

src/main/java/org/ezcode/codetest/application/community/dto/response/ReplyResponse.java

@@ -42,8 +42,10 @@ public record ReplyResponse(
 	Long childReplyCount,
 
 	@Schema(description = "현재 사용자의 추천 상태 (UP, DOWN, NONE)", example = "UP")
-	VoteType voteStatus
+	VoteType voteStatus,
 
+	@Schema(description = "로그인한 유저의 해당 토론글 작성 여부", example = "true")
+	boolean isAuthor
 ) {
 
 	public static ReplyResponse fromEntity(Reply reply) {
@@ -62,7 +64,8 @@ public static ReplyResponse fromEntity(Reply reply) {
 			null,
 			null,
 			null,
-			null
+			null,
+			false
 		);
 	}
 
@@ -78,7 +81,8 @@ public static ReplyResponse from(ReplyQueryResult result) {
 			result.getUpvoteCount(),
 			result.getDownvoteCount(),
 			result.getChildReplyCount(),
-			result.getVoteStatus()
+			result.getVoteStatus(),
+			result.isAuthor()
 		);
 	}
 }

src/main/java/org/ezcode/codetest/common/security/config/SecurityConfig.java

@@ -8,12 +8,10 @@
 import org.ezcode.codetest.common.security.util.ExceptionHandlingFilter;
 import org.ezcode.codetest.common.security.util.JwtFilter;
 import org.ezcode.codetest.common.security.util.JwtUtil;
-import org.springframework.boot.web.servlet.FilterRegistrationBean;
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
 import org.springframework.data.redis.core.RedisTemplate;
 import org.springframework.http.HttpMethod;
-import org.springframework.security.config.Customizer;
 import org.springframework.security.config.annotation.method.configuration.EnableMethodSecurity;
 import org.springframework.security.config.annotation.web.builders.HttpSecurity;
 import org.springframework.security.config.annotation.web.configuration.EnableWebSecurity;
@@ -38,13 +36,12 @@
 @RequiredArgsConstructor
 @EnableMethodSecurity(prePostEnabled = true)
 public class SecurityConfig {
+
 	private final JwtUtil jwtUtil;
 	private final RedisTemplate<String, String> redisTemplate;
 	private final CustomOAuth2UserService customOAuth2UserService; //OAuth2.0 서비스
 	private final CustomSuccessHandler customSuccessHandler;
 
-
-
 	@Bean
 	public SecurityFilterChain securityFilterChain(HttpSecurity http) throws Exception {
 		JwtFilter jwtFilter = new JwtFilter(jwtUtil, redisTemplate);
@@ -81,6 +78,7 @@ public SecurityFilterChain securityFilterChain(HttpSecurity http) throws Excepti
 						SecurityPath.PUBLIC_PATH).permitAll()
 					.requestMatchers("/api/admin/**").hasRole("ADMIN") //어드민 권한 필요 (문제 생성, 관리 등)
 					.requestMatchers(HttpMethod.GET,
+						"/api/languages",
 						"/api/problems",
 						"/api/problems/{problemId}",
 						"/api/problems/*/discussions",

src/main/java/org/ezcode/codetest/domain/community/dto/DiscussionQueryResult.java

@@ -30,6 +30,8 @@ public class DiscussionQueryResult {
 
 	private final VoteType voteStatus;
 
+	private final boolean isAuthor;
+
 	@QueryProjection
 	public DiscussionQueryResult(
 		Long discussionId,
@@ -40,7 +42,7 @@ public DiscussionQueryResult(
 		Long upvoteCount,
 		Long downvoteCount,
 		Long replyCount,
-		VoteType voteType
+		VoteType voteType, boolean isAuthor
 	) {
 
 		this.discussionId = discussionId;
@@ -59,5 +61,7 @@ public DiscussionQueryResult(
 		} else {
 			this.voteStatus = VoteType.DOWN;
 		}
+
+		this.isAuthor = isAuthor;
 	}
 }

src/main/java/org/ezcode/codetest/domain/community/dto/ReplyQueryResult.java

@@ -32,6 +32,8 @@ public class ReplyQueryResult {
 
 	private final VoteType voteStatus;
 
+	private final boolean isAuthor;
+
 	@QueryProjection
 	public ReplyQueryResult(
 		Long replyId,
@@ -43,7 +45,8 @@ public ReplyQueryResult(
 		Long upvoteCount,
 		Long downvoteCount,
 		Long childReplyCount,
-		VoteType voteType
+		VoteType voteType,
+		boolean isAuthor
 	) {
 
 		this.replyId = replyId;
@@ -63,5 +66,7 @@ public ReplyQueryResult(
 		} else {
 			this.voteStatus = VoteType.DOWN;
 		}
+
+		this.isAuthor = isAuthor;
 	}
 }

src/main/java/org/ezcode/codetest/domain/community/exception/CommunityExceptionCode.java

@@ -15,7 +15,8 @@ public enum CommunityExceptionCode implements ResponseCode {
 
 	REPLY_NOT_FOUND(false, HttpStatus.NOT_FOUND, "해당 ID의 댓글이 존재하지 않습니다."),
 	REPLY_DISCUSSION_MISMATCH(false, HttpStatus.BAD_REQUEST, "해당 댓글이 요청된 토론글에 속하지 않습니다."),
-	
+	REPLY_PARENT_ALREADY_EXISTS(false, HttpStatus.BAD_REQUEST, "이미 부모 댓글이 있는 댓글에는 대댓글을 작성할 수 없습니다."),
+
 	USER_NOT_AUTHOR(false, HttpStatus.FORBIDDEN, "작성자만 수정/삭제할 수 있습니다."),
 	;
 

src/main/java/org/ezcode/codetest/domain/community/service/ReplyDomainService.java

@@ -29,6 +29,7 @@ public Reply createReply(Discussion discussion, User user, Long parentReplyId, S
 		if (parentReplyId != null) {
 			parentReply = getReplyById(parentReplyId);
 			validateDiscussionMatches(parentReply, discussion);
+			checkNoExistingParentForReply(parentReply);
 		}
 
 		Reply reply = Reply.builder()
@@ -96,6 +97,7 @@ public void validateDiscussionMatches(Reply reply, Discussion discussion) {
 		if (!reply.isDiscussionMatches(discussion.getId())) {
 			throw new CommunityException(CommunityExceptionCode.REPLY_DISCUSSION_MISMATCH);
 		}
+
 	}
 
 	public void validateIsAuthor(Reply reply, Long userId) {
@@ -105,6 +107,13 @@ public void validateIsAuthor(Reply reply, Long userId) {
 		}
 	}
 
+	public void checkNoExistingParentForReply(Reply parentReply) {
+
+		if (parentReply.getParent() != null) {
+			throw new CommunityException(CommunityExceptionCode.REPLY_PARENT_ALREADY_EXISTS);
+		}
+	}
+
 	public NotificationCreateEvent createReplyNotification(User target, Reply reply) {
 
 		Long parentReplyId = reply.getParentReplyId();

src/main/java/org/ezcode/codetest/infrastructure/persistence/repository/community/discussion/DiscussionQueryRepositoryImpl.java

@@ -19,6 +19,7 @@
 import com.querydsl.core.types.Order;
 import com.querydsl.core.types.OrderSpecifier;
 import com.querydsl.core.types.Projections;
+import com.querydsl.core.types.dsl.BooleanExpression;
 import com.querydsl.core.types.dsl.CaseBuilder;
 import com.querydsl.core.types.dsl.Expressions;
 import com.querydsl.core.types.dsl.NumberExpression;
@@ -40,11 +41,15 @@ public List<Long> findDiscussionIdsByProblemId(Long problemId, String sortBy, Pa
 
 		NumberExpression<Long> bestScore = upvoteCount.subtract(downvoteCount);
 
+		long offset = pageable.getOffset();
+		int pageNumber = pageable.getPageNumber();
+		int pageSize = pageable.getPageSize();
+
 		return jpaQueryFactory
 			.select(discussion.id)
 			.from(discussion)
 			.leftJoin(discussionVote).on(discussionVote.discussion.eq(discussion))
-			.where(discussion.problem.id.eq(problemId))
+			.where(discussion.problem.id.eq(problemId).and(discussion.isDeleted.isFalse()))
 			.groupBy(discussion.id)
 			.orderBy(getOrderSpecifier(sortBy, bestScore, upvoteCount))
 			.offset(pageable.getOffset())
@@ -65,12 +70,15 @@ public List<DiscussionQueryResult> findDiscussionsByIds(List<Long> discussionIds
 		Expression<Long> replyCount = reply.id.countDistinct();
 
 		Expression<VoteType> userVoteType;
+		BooleanExpression isAuthor;
 		if (currentUserId != null) {
 			userVoteType = new CaseBuilder()
 				.when(discussionVote.voter.id.eq(currentUserId)).then(discussionVote.voteType)
 				.otherwise(Expressions.nullExpression(VoteType.class)).max();
+			isAuthor = discussion.user.id.eq(currentUserId);
 		} else {
 			userVoteType = Expressions.nullExpression(VoteType.class);
+			isAuthor = Expressions.FALSE;
 		}
 
 		return jpaQueryFactory
@@ -88,7 +96,8 @@ public List<DiscussionQueryResult> findDiscussionsByIds(List<Long> discussionIds
 				upvoteCount,
 				downvoteCount,
 				replyCount,
-				userVoteType
+				userVoteType,
+				isAuthor
 			))
             .from(discussion)
 			.join(discussion.user, user)
@@ -114,7 +123,7 @@ public Long countByProblemId(Long problemId) {
 		Long count = jpaQueryFactory
 			.select(discussion.count())
 			.from(discussion)
-			.where(discussion.problem.id.eq(problemId))
+			.where(discussion.problem.id.eq(problemId).and(discussion.isDeleted.isFalse()))
 			.fetchOne();
 
 		return count != null ? count : 0L;

src/main/java/org/ezcode/codetest/infrastructure/persistence/repository/community/reply/ReplyQueryRepositoryImpl.java

@@ -66,12 +66,15 @@ private List<ReplyQueryResult> findRepliesByCondition(BooleanExpression conditio
 		Expression<Long> childReplyCount = childReply.id.count();
 
 		Expression<VoteType> userVoteType;
+		BooleanExpression isAuthor;
 		if (currentUserId != null) {
 			userVoteType = new CaseBuilder()
 				.when(replyVote.voter.id.eq(currentUserId)).then(replyVote.voteType)
 				.otherwise(Expressions.nullExpression(VoteType.class)).max();
+			isAuthor = reply.user.id.eq(currentUserId);
 		} else {
 			userVoteType = Expressions.nullExpression(VoteType.class);
+			isAuthor = Expressions.FALSE;
 		}
 
 		return jpaQueryFactory
@@ -90,13 +93,14 @@ private List<ReplyQueryResult> findRepliesByCondition(BooleanExpression conditio
 				upvoteCount,
 				downvoteCount,
 				childReplyCount,
-				userVoteType
+				userVoteType,
+				isAuthor
 			))
 			.from(reply)
 			.join(reply.user, user)
 			.leftJoin(replyVote).on(replyVote.reply.eq(reply))
 			.leftJoin(childReply).on(childReply.parent.eq(reply))
-			.where(condition)
+			.where(condition.and(reply.isDeleted.isFalse()))
 			.groupBy(reply.id)
 			.orderBy(reply.id.asc())
 			.offset(pageable.getOffset())
@@ -109,7 +113,7 @@ public Long countByDiscussionId(Long discussionId) {
 		return jpaQueryFactory
 			.select(reply.count())
 			.from(reply)
-			.where(reply.discussion.id.eq(discussionId).and(reply.parent.isNull()))
+			.where(reply.discussion.id.eq(discussionId).and(reply.parent.isNull()).and(reply.isDeleted.isFalse()))
 			.fetchOne();
 	}
 
@@ -118,7 +122,7 @@ public Long countByParentId(Long parentId) {
 		return jpaQueryFactory
 			.select(reply.count())
 			.from(reply)
-			.where(reply.parent.id.eq(parentId))
+			.where(reply.parent.id.eq(parentId).and(reply.isDeleted.isFalse()))
 			.fetchOne();
 	}
 

src/main/java/org/ezcode/codetest/presentation/view/ViewController.java

@@ -50,6 +50,11 @@ public String getGamePage() {
         return "game-page";
     }
 
+    @GetMapping("/test/notifications")
+    public String getNotificationPage() {
+        return "test-notifications";
+    }
+
     @GetMapping("/ezlogin")
     public String loginPage(){
         return "login-page";