From 299e59921db2c553dba3a73ef18fdc9ac6e9873a Mon Sep 17 00:00:00 2001
From: AungKyawMyint <52407468+AungKyaw-Myint@users.noreply.github.com>
Date: Thu, 18 Jul 2024 10:37:52 -0500
Subject: [PATCH] bug fix

---
 .../repository/DiscussionCommentsRepository.java | 16 +++++++++++++++-
 .../service/DiscussionCommentsService.java       |  5 ++++-
 .../waa/project/service/SubCommentService.java   |  2 +-
 .../impl/DiscussionCommentsServiceImpl.java      |  2 +-
 4 files changed, 21 insertions(+), 4 deletions(-)

diff --git a/backend/src/main/java/com/waa/project/repository/DiscussionCommentsRepository.java b/backend/src/main/java/com/waa/project/repository/DiscussionCommentsRepository.java
index 7dcbc80c..28d7946e 100644
--- a/backend/src/main/java/com/waa/project/repository/DiscussionCommentsRepository.java
+++ b/backend/src/main/java/com/waa/project/repository/DiscussionCommentsRepository.java
@@ -4,9 +4,12 @@
 import org.springframework.data.domain.Page;
 import org.springframework.data.domain.Pageable;
 import org.springframework.data.jpa.repository.JpaRepository;
+import org.springframework.data.jpa.repository.Modifying;
 import org.springframework.data.jpa.repository.Query;
+import org.springframework.data.repository.query.Param;
 import org.springframework.stereotype.Repository;
 
+import java.util.List;
 import java.util.Optional;
 
 @Repository
@@ -23,4 +26,15 @@ public interface DiscussionCommentsRepository extends JpaRepository<DiscussionCo
             nativeQuery = true
     )
     Page<DiscussionComments> findByParentCommentId(Long parentCommentId, Pageable pageable);
-}
+
+    void deleteAllByParentCommentId(DiscussionComments id);
+
+    List<DiscussionComments> findAllByDiscussionId(Long discussionId);
+
+    @Modifying
+    @Query("DELETE FROM DiscussionComments dc WHERE dc.parentCommentId.id IN :parentCommentIds")
+    void deleteAllByParentCommentIds(@Param("parentCommentIds") List<Long> parentCommentIds);
+
+    void deleteByDiscussionId(Long discussionId);
+
+}
\ No newline at end of file
diff --git a/backend/src/main/java/com/waa/project/service/DiscussionCommentsService.java b/backend/src/main/java/com/waa/project/service/DiscussionCommentsService.java
index a437a0c5..6c36e0f7 100644
--- a/backend/src/main/java/com/waa/project/service/DiscussionCommentsService.java
+++ b/backend/src/main/java/com/waa/project/service/DiscussionCommentsService.java
@@ -1,6 +1,7 @@
 package com.waa.project.service;
 
 import com.waa.project.dto.DiscussionCommentsDto;
+import com.waa.project.entity.Discussion;
 import org.springframework.data.domain.Page;
 import org.springframework.data.domain.Pageable;
 import org.springframework.security.core.userdetails.User;
@@ -16,4 +17,6 @@ public interface DiscussionCommentsService {
     DiscussionCommentsDto updateDiscussionComments(long id, DiscussionCommentsDto commentsDto, User user);
 
     DiscussionCommentsDto deleteDiscussionComments(long id, User user);
-}
+
+    void deleteAllCommentsByDiscussionId(Discussion discussion);
+}
\ No newline at end of file
diff --git a/backend/src/main/java/com/waa/project/service/SubCommentService.java b/backend/src/main/java/com/waa/project/service/SubCommentService.java
index 58aab855..ea0edd31 100644
--- a/backend/src/main/java/com/waa/project/service/SubCommentService.java
+++ b/backend/src/main/java/com/waa/project/service/SubCommentService.java
@@ -14,4 +14,4 @@ public interface SubCommentService {
     DiscussionCommentsDto updateSubDiscussionComments(long id, DiscussionCommentsDto commentsDto, User user);
 
     DiscussionCommentsDto deleteSubDiscussionComments(long id, User user);
-}
+}
\ No newline at end of file
diff --git a/backend/src/main/java/com/waa/project/service/impl/DiscussionCommentsServiceImpl.java b/backend/src/main/java/com/waa/project/service/impl/DiscussionCommentsServiceImpl.java
index f55cd1b0..faba2ab8 100644
--- a/backend/src/main/java/com/waa/project/service/impl/DiscussionCommentsServiceImpl.java
+++ b/backend/src/main/java/com/waa/project/service/impl/DiscussionCommentsServiceImpl.java
@@ -108,4 +108,4 @@ private Long getUserId(User user) {
         AuthUserResponse userData = userService.findByUsername(user.getUsername());
         return userData.getId();
     }
-}
+}
\ No newline at end of file