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

package com.example.myproject.controller;

import com.example.myproject.entity.UserDynamic;
import com.example.myproject.service.DynamicService;
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.List;
import java.util.Map;

@RestController
@RequestMapping("/echo/dynamic")
public class DynamicController {

    @Autowired
    private DynamicService dynamicService;

    // 创建好友动态接口
    @PostMapping("/{user_id}/createDynamic")
    public Map<String, Object> createDynamic(@PathVariable("user_id") Long userId,
                                             @RequestParam(value = "title", required = false) String title,
                                             @RequestParam(value = "content") String content,
                                             @RequestParam(value = "image_url", required = false) MultipartFile[] imageFiles) {
        return dynamicService.createDynamic(userId, title, content, imageFiles);
    }

    //删除好友动态
    @DeleteMapping("/me/deleteDynamic/{dynamic_id}")
    public ResponseEntity<String> deleteDynamic(@PathVariable("dynamic_id") Long dynamicId) {
        dynamicService.deleteDynamic(dynamicId);
        return ResponseEntity.ok("动态删除成功");
    }

    @PostMapping("/{user_id}/feeds/{dynamic_id}/comments")
    public ResponseEntity<Map<String, Object>> addComment(
            @PathVariable("user_id") Long userId,
            @PathVariable("dynamic_id") Long dynamicId,
            @RequestBody Map<String, Object> content) {
        String commentContent = (String) content.get("content");

        Long parentCommentId = content.containsKey("parent_comment_id") && content.get("parent_comment_id") != null ?
                Long.parseLong(content.get("parent_comment_id").toString()) : null;

        Map<String, Object> response = dynamicService.addComment(userId, dynamicId, commentContent, parentCommentId);
        return ResponseEntity.ok(response);
    }



    //获取某个好友的所有动态
    @GetMapping("/{user_id}/getAdynamic")
    public ResponseEntity<Map<String, Object>> getAllUserDynamics(@PathVariable("user_id") Long userId) {
        Map<String, Object> response = dynamicService.getAllUserDynamics(userId);

        if (response == null || response.isEmpty()) {
            return ResponseEntity.noContent().build();
        }

        // 返回响应
        return ResponseEntity.ok(response);
    }

    @GetMapping("/{user_id}/getAllDynamics")
    public ResponseEntity<Map<String, Object>> getAllUserAndFriendsDynamics(@PathVariable("user_id") Long userId) {
        // 获取当前用户所有好友的ID
        List<Long> friendIds = dynamicService.getAllFriendIds(userId);
        friendIds.add(userId);
        Map<String, Object> response = dynamicService.getAllUserAndFriendsDynamics(friendIds);

        if (response == null || response.isEmpty()) {
            return ResponseEntity.noContent().build();
        }

        return ResponseEntity.ok(response);
    }

    //点赞好友动态
    @PostMapping("/like")
    public ResponseEntity<String> likeDynamic(@RequestBody Map<String, Long> request) {
        Long userId = request.get("userId");
        Long dynamicId = request.get("dynamicId");
        // 执行点赞
        boolean success = dynamicService.likeDynamic(userId, dynamicId);

        if (success) {
            return ResponseEntity.ok("Like successful");
        } else {
            return ResponseEntity.badRequest().body("Like failed");
        }
    }

    @DeleteMapping("/unlike")
    public ResponseEntity<String> unlikeDynamic(@RequestBody Map<String, Long> request) {
        Long userId = request.get("userId");
        Long dynamicId = request.get("dynamicId");

        // 执行取消点赞
        boolean success = dynamicService.unlikeDynamic(userId, dynamicId);

        if (success) {
            return ResponseEntity.ok("Unlike successful");
        } else {
            return ResponseEntity.badRequest().body("Unlike failed");
        }
    }


}