apply .gitignore clean-up

Change-Id: Idd0b57a7340f0e62c85090d84c4fdb8cb5d6fe00
diff --git a/src/main/java/com/example/myproject/service/GroupService.java b/src/main/java/com/example/myproject/service/GroupService.java
index 016d7e0..d3ba029 100644
--- a/src/main/java/com/example/myproject/service/GroupService.java
+++ b/src/main/java/com/example/myproject/service/GroupService.java
@@ -1,3 +1,386 @@
+//package com.example.myproject.service;
+//
+//import com.example.myproject.entity.*;
+//
+//import com.example.myproject.repository.*;
+//import jakarta.transaction.Transactional;
+//import org.springframework.beans.factory.annotation.Autowired;
+//import org.springframework.data.domain.Page;
+//import org.springframework.data.domain.PageRequest;
+//import org.springframework.data.domain.Pageable;
+//import org.springframework.data.domain.Sort;
+//import org.springframework.http.ResponseEntity;
+//import org.springframework.stereotype.Service;
+//import org.springframework.web.multipart.MultipartFile;
+//import java.io.IOException;
+//import java.nio.file.Path;
+//import java.nio.file.Files;
+//
+//import java.util.*;
+//
+//@Service
+//public class GroupService {
+//
+//    @Autowired
+//    private GroupRepository groupRepository;
+//
+//    @Autowired
+//    private GroupMembersRepository groupMembersRepository;
+//
+//
+//    @Autowired
+//    private UserRepository userRepository;
+//
+//    @Autowired
+//    private GroupPostRepository groupPostRepository;
+//
+//    @Autowired
+//    private GroupCommentsRepository groupCommentsRepository;
+//
+//    private static final String IMAGE_DIR = "uploads/groupPost/";
+//
+//    @Transactional
+//    // 创建小组的方法
+//    public ResponseEntity<Map<String, Object>> createGroup(Group groupRequest) {
+//        try {
+//            // 创建新的小组对象
+//            Group newGroup = new Group();
+//            newGroup.setGroupName(groupRequest.getGroupName());
+//            newGroup.setDescription(groupRequest.getDescription());
+//            newGroup.setCreateTime(new Date());
+//            newGroup.setUserId(groupRequest.getUserId());
+//            newGroup.setMemberCount(1);
+//            newGroup.setCategory(groupRequest.getCategory());
+//            newGroup.setCoverImage(groupRequest.getCoverImage());
+//            Group createdGroup = groupRepository.save(newGroup);
+//
+//            // 返回成功响应
+//            Map<String, Object> response = new HashMap<>();
+//            response.put("status", "success");
+//            response.put("message", "兴趣小组创建成功");
+//            response.put("group_id", createdGroup.getGroupId());
+//
+//            return ResponseEntity.ok(response);
+//        } catch (Exception e) {
+//            // 返回失败响应
+//            Map<String, Object> errorResponse = new HashMap<>();
+//            errorResponse.put("status", "error");
+//            errorResponse.put("message", "小组创建失败");
+//            errorResponse.put("group_id", null);
+//
+//            return ResponseEntity.status(400).body(errorResponse);
+//        }
+//    }
+//
+//
+//    // 加入小组
+//    @Transactional
+//    public ResponseEntity<Map<String, Object>> joinGroup(Long groupId, Long userId) {
+//        // 查找小组
+//        Optional<Group> groupOptional = groupRepository.findById(groupId);
+//        if (!groupOptional.isPresent()) {
+//            return ResponseEntity.status(400).body(
+//                    Map.of("status", "failure", "message", "小组不存在")
+//            );
+//        }
+//
+//        Group group = groupOptional.get();
+//
+//        // 检查用户是否已经是该小组成员
+//        if (groupMembersRepository.existsByGroupIdAndUserId(groupId, userId)) {
+//            return ResponseEntity.status(400).body(
+//                    Map.of("status", "failure", "message", "用户已经是该小组的成员")
+//            );
+//        }
+//
+//        // 插入用户和小组的关联记录
+//        GroupMembers groupMembers = new GroupMembers();
+//        groupMembers.setGroupId(groupId);
+//        groupMembers.setUserId(userId);
+//        groupMembersRepository.save(groupMembers);
+//
+//        // 更新小组的成员数
+//        group.setMemberCount(group.getMemberCount() + 1);
+//        groupRepository.save(group);
+//
+//        return ResponseEntity.ok().body(
+//                Map.of("status", "success", "message", "成功加入小组")
+//        );
+//    }
+//
+//    // 退出小组
+//    @Transactional
+//    public ResponseEntity<Map<String, Object>> leaveGroup(Long groupId, Long userId) {
+//        // 查找小组
+//        Optional<Group> groupOptional = groupRepository.findById(groupId);
+//        if (!groupOptional.isPresent()) {
+//            return ResponseEntity.status(400).body(
+//                    Map.of("status", "failure", "message", "小组不存在")
+//            );
+//        }
+//
+//        Group group = groupOptional.get();
+//
+//        // 检查用户是否是该小组成员
+//        if (!groupMembersRepository.existsByGroupIdAndUserId(groupId, userId)) {
+//            return ResponseEntity.status(400).body(
+//                    Map.of("status", "failure", "message", "用户不是该小组的成员")
+//            );
+//        }
+//
+//        // 删除用户和小组的关联记录
+//        groupMembersRepository.deleteByGroupIdAndUserId(groupId, userId);
+//
+//        // 更新小组的成员数
+//        group.setMemberCount(group.getMemberCount() - 1);
+//        groupRepository.save(group);
+//
+//        return ResponseEntity.ok().body(
+//                Map.of("status", "success", "message", "成功退出小组")
+//        );
+//    }
+//
+//    // 获取所有成员
+//    @Transactional
+//    public ResponseEntity<Map<String, Object>> getGroupMembers(Long groupId) {
+//        // 查找小组
+//        Optional<Group> groupOptional = groupRepository.findById(groupId);
+//        if (!groupOptional.isPresent()) {
+//            return ResponseEntity.status(400).body(
+//                    Map.of("status", "failure", "message", "小组不存在")
+//            );
+//        }
+//
+//        Group group = groupOptional.get();
+//
+//        // 获取所有小组成员
+//        List<GroupMembers> groupMembersList = groupMembersRepository.findByGroupId(groupId);
+//
+//        // 创建成员返回列表
+//        List<Map<String, Object>> members = new ArrayList<>();
+//        for (GroupMembers groupMember : groupMembersList) {
+//            Optional<Users> userOptional = userRepository.findById(groupMember.getUserId());
+//            if (userOptional.isPresent()) {
+//                Users user = userOptional.get();
+//                members.add(Map.of(
+//                        "user_id", user.getUserId(),
+//                        "username", user.getUsername(),
+//                        "avatar_url", user.getAvatarUrl()
+//                ));
+//            }
+//        }
+//
+//        return ResponseEntity.ok().body(
+//                Map.of("status", "success", "members", members)
+//        );
+//    }
+//
+//
+//    //发布帖子
+//    public Map<String, Object> createPost(Long groupId, Long userId, String postContent, String title, MultipartFile[] imageFiles) {
+//        // 创建一个新的帖子对象
+//        GroupPost post = new GroupPost();
+//        post.setGroupId(groupId);
+//        post.setUserId(userId);
+//        post.setContent(postContent);
+//        post.setTitle(title);
+//        post.setTime(new Date());
+//        post.setLikeCount(0);
+//        post.setCommentCount(0);
+//
+//        // 处理图片上传,如果没有图片,返回空字符串
+//        String imageUrls = handleImages(imageFiles);
+//        post.setImage(imageUrls);
+//
+//        // 保存帖子到数据库
+//        GroupPost savedPost = groupPostRepository.save(post);
+//
+//        // 返回结果
+//        Map<String, Object> response = new LinkedHashMap<>();
+//        response.put("post_id", savedPost.getGroupPostId());
+//        response.put("message", "帖子创建成功");
+//        return response;
+//    }
+//
+//    // 处理图片上传的方法,返回图片的 URL 字符串
+//    private String handleImages(MultipartFile[] imageFiles) {
+//        if (imageFiles == null || imageFiles.length == 0) {
+//            return "";
+//        }
+//
+//        StringBuilder imageUrlsBuilder = new StringBuilder();
+//
+//        for (int i = 0; i < imageFiles.length; i++) {
+//            if (i > 0) {
+//                imageUrlsBuilder.append(",");
+//            }
+//            try {
+//                String imageUrl = saveImage(imageFiles[i]);
+//                imageUrlsBuilder.append(imageUrl);
+//            } catch (IOException e) {
+//                throw new RuntimeException("图片上传失败: " + e.getMessage());
+//            }
+//        }
+//        return imageUrlsBuilder.toString();
+//    }
+//
+//    // 保存图片并返回图片的 URL
+//    private String saveImage(MultipartFile imageFile) throws IOException {
+//        if (imageFile == null) {
+//            throw new IOException("图片文件为空");
+//        }
+//
+//        String fileName = imageFile.getOriginalFilename();
+//        Path path = Path.of(IMAGE_DIR + fileName);
+//        Files.createDirectories(path.getParent());
+//        Files.write(path, imageFile.getBytes());
+//        return "/images/" + fileName;
+//    }
+//
+//    // 获取小组内的所有帖子
+//    public Map<String, Object> getAllPosts(Long groupId) {
+//        List<GroupPost> posts = groupPostRepository.findByGroupId(groupId);
+//
+//        List<Map<String, Object>> postList = new ArrayList<>();
+//
+//        for (GroupPost post : posts) {
+//            Map<String, Object> postData = new HashMap<>();
+//            Users user = userRepository.findById(post.getUserId()).orElseThrow(() -> new RuntimeException("User not found"));
+//            postData.put("group_post_id", post.getGroupPostId());
+//            postData.put("user_id", post.getUserId());
+//            postData.put("username", user.getUsername());
+//            postData.put("title", post.getTitle());
+//            postData.put("content", post.getContent());
+//            postData.put("time", post.getTime());
+//
+//            postList.add(postData);
+//        }
+//
+//        // 返回响应数据
+//        Map<String, Object> response = new LinkedHashMap<>();
+//        response.put("status", "success");
+//        response.put("posts", postList);
+//        return response;
+//    }
+//
+//
+//    // 获取小组列表接口
+//    public Map<String, Object> searchGroups(Map<String, Object> params) {
+//        String name = (String) params.get("name");
+//        String category = (String) params.get("category");
+//        Integer page = (Integer) params.getOrDefault("page", 1);
+//        Integer size = (Integer) params.getOrDefault("size", 10);
+//        String sortBy = (String) params.getOrDefault("sort_by", "memberCount");
+//
+//        // 构建分页对象
+//        Pageable pageable;
+//
+//        // 根据 `sortBy` 判断排序方式
+//        if ("createTime".equals(sortBy)) {
+//            pageable = PageRequest.of(page - 1, size, Sort.by(Sort.Order.asc("createTime")));
+//        } else if ("groupName".equals(sortBy)) {
+//            pageable = PageRequest.of(page - 1, size, Sort.by(Sort.Order.asc("groupName")));
+//        } else {
+//            pageable = PageRequest.of(page - 1, size, Sort.by(Sort.Order.desc("memberCount")));
+//        }
+//
+//        Page<Group> groups;
+//        if (name != null && !name.isEmpty()) {
+//            // 小组名称模糊查询
+//            groups = groupRepository.searchGroups(name, category, pageable);
+//        } else {
+//            groups = groupRepository.searchWithFilters(category, pageable);
+//        }
+//
+//        return buildResponse(groups);
+//    }
+//
+//    // 构建返回的响应数据
+//    private Map<String, Object> buildResponse(Page<Group> groups) {
+//        Map<String, Object> response = new LinkedHashMap<>();
+//        response.put("status", "success");
+//        response.put("total", groups.getTotalElements());
+//        response.put("total_pages", groups.getTotalPages());
+//        response.put("current_page", groups.getNumber() + 1);
+//        response.put("items", groups.getContent());
+//
+//        return response;
+//    }
+//
+//    // 点赞帖子
+//    public Map<String, Object> likePost(Long GroupPostId) {
+//        // 查找帖子
+//        Optional<GroupPost> postOpt = groupPostRepository.findById(GroupPostId);
+//        if (!postOpt.isPresent()) {
+//            throw new RuntimeException("Post not found");
+//        }
+//
+//        GroupPost post = postOpt.get();
+//
+//        // 更新点赞数
+//        post.setLikeCount(post.getLikeCount() + 1);
+//        groupPostRepository.save(post);
+//
+//        // 返回成功信息
+//        Map<String, Object> response = new HashMap<>();
+//        response.put("status", "success");
+//        response.put("message", "点赞成功");
+//        return response;
+//    }
+//
+//    // 取消点赞
+//    public Map<String, Object> unlikePost(Long GroupPostId) {
+//        // 查找帖子
+//        Optional<GroupPost> postOpt = groupPostRepository.findById(GroupPostId);
+//        if (!postOpt.isPresent()) {
+//            throw new RuntimeException("Post not found");
+//        }
+//
+//        GroupPost post = postOpt.get();
+//
+//        // 更新点赞数
+//        if (post.getLikeCount() > 0) {
+//            post.setLikeCount(post.getLikeCount() - 1);
+//            groupPostRepository.save(post);
+//
+//            // 返回成功信息
+//            Map<String, Object> response = new HashMap<>();
+//            response.put("status", "success");
+//            response.put("message", "取消点赞成功");
+//            return response;
+//        } else {
+//            // 如果点赞数已经是0,则返回相应消息
+//            Map<String, Object> response = new HashMap<>();
+//            response.put("status", "failure");
+//            response.put("message", "无法取消点赞,点赞数已经为0");
+//            return response;
+//        }
+//    }
+//
+//    // 添加评论并更新帖子的评论数
+//    public Map<String, Object> addComment(Long postId, GroupComments comment) {
+//        // 查找帖子
+//        Optional<GroupPost> postOpt = groupPostRepository.findById(postId);
+//        if (!postOpt.isPresent()) {
+//            throw new RuntimeException("Post not found");
+//        }
+//
+//        GroupPost post = postOpt.get();
+//
+//        comment.setGroupPostId(postId);
+//        comment.setTime(new java.util.Date());
+//        groupCommentsRepository.save(comment);
+//        post.setCommentCount(post.getCommentCount() + 1);
+//        groupPostRepository.save(post);
+//        Map<String, Object> response = new HashMap<>();
+//        response.put("status", "success");
+//        response.put("message", "评论成功");
+//        return response;
+//    }
+//
+//
+//}
+
 package com.example.myproject.service;
 
 import com.example.myproject.entity.*;
@@ -39,6 +422,7 @@
 
     private static final String IMAGE_DIR = "uploads/groupPost/";
 
+
     @Transactional
     // 创建小组的方法
     public ResponseEntity<Map<String, Object>> createGroup(Group groupRequest) {
@@ -129,8 +513,8 @@
         }
 
         // 删除用户和小组的关联记录
-        groupMembersRepository.deleteByGroupIdAndUserId(groupId, userId);
-
+        int  leaveCount = groupMembersRepository.deleteByGroupIdAndUserId(groupId, userId);
+        System.out.println("删除行数"+leaveCount);
         // 更新小组的成员数
         group.setMemberCount(group.getMemberCount() - 1);
         groupRepository.save(group);