src/main/java/com/example/myproject/controller/GroupController.java

package com.example.myproject.controller;

import com.example.myproject.entity.Group;
import com.example.myproject.entity.GroupComments;
import com.example.myproject.service.GroupService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.http.ResponseEntity;
import org.springframework.web.bind.annotation.*;
import org.springframework.web.multipart.MultipartFile;

import java.util.HashMap;
import java.util.Map;

@RestController
@RequestMapping("/echo/groups")
public class GroupController {

    @Autowired
    private GroupService groupService;

    @PostMapping("/createGroup")
    public ResponseEntity<Map<String, Object>> createGroup(@RequestBody Group groupRequest) {
        // 调用服务层方法创建小组
        System.out.println("Received group name: " + groupRequest.getGroupName());
        return groupService.createGroup(groupRequest);
    }


    // 加入小组接口
    @PostMapping("/{group_id}/join")
    public ResponseEntity<Map<String, Object>> joinGroup(@PathVariable("group_id") Long groupId,
                                                         @RequestBody Map<String, Long> requestBody) {
        Long userId = requestBody.get("user_id");
        return groupService.joinGroup(groupId, userId);
    }

    // 退出小组接口
    @PostMapping("/{group_id}/leave")
    public ResponseEntity<Map<String, Object>> leaveGroup(@PathVariable("group_id") Long groupId,
                                                          @RequestBody Map<String, Long> requestBody) {
        Long userId = requestBody.get("user_id");
        return groupService.leaveGroup(groupId, userId);
    }

    // 获取小组成员接口
    @GetMapping("/{group_id}/members")
    public ResponseEntity<Map<String, Object>> getGroupMembers(@PathVariable("group_id") Long groupId) {
        return groupService.getGroupMembers(groupId);
    }

    //发布帖子
    @PostMapping("/{group_id}/createPost")
    public ResponseEntity<Map<String, Object>> createPost(
            @PathVariable("group_id") Long groupId,
            @RequestParam("user_id") Long userId,
            @RequestParam("content") String content,
            @RequestParam("title") String title,
            @RequestParam(value = "images", required = false) MultipartFile[] imageFiles) {

        Map<String, Object> response = groupService.createPost(groupId, userId, content, title, imageFiles);
        return ResponseEntity.ok(response);
    }

    //获取某个小组内的所有帖子
    @GetMapping("/{group_id}/getAllPosts")
    public ResponseEntity<Map<String, Object>> getAllPosts(@PathVariable("group_id") Long groupId) {
        Map<String, Object> response = groupService.getAllPosts(groupId);
        return ResponseEntity.ok(response);
    }

    //获取所有小组名称
    @PostMapping("/getAllGroups")
    public ResponseEntity<Map<String, Object>> searchGroups(@RequestBody Map<String, Object> params) {
        Map<String, Object> response = groupService.searchGroups(params);
        return ResponseEntity.ok(response);
    }

    // 点赞帖子
    @PostMapping("/{group_post_id}/like")
    public ResponseEntity<Map<String, Object>> likePost(
            @PathVariable("group_post_id") Long groupPostId) {
        Map<String, Object> response = groupService.likePost(groupPostId);
        return ResponseEntity.ok(response);
    }

    // 取消点赞
    @PostMapping("/{group_post_id}/unlike")
    public ResponseEntity<Map<String, Object>> unlikePost(
            @PathVariable("group_post_id") Long groupPostId) {
        Map<String, Object> response = groupService.unlikePost(groupPostId);
        return ResponseEntity.ok(response);
    }

    // 添加评论接口
    @PostMapping("/{group_post_id}/comment")
    public ResponseEntity<Map<String, Object>> addComment(

            @PathVariable("group_post_id") Long postId,
            @RequestBody GroupComments comment) {

        Map<String, Object> response = groupService.addComment(postId, comment);
        return ResponseEntity.ok(response);
    }

}