SpringBootBlog/src/main/java/cc/bnblogs/controller/CommentController.java

package cc.bnblogs.controller;

import cc.bnblogs.common.PageHelper;
import cc.bnblogs.common.Result;
import cc.bnblogs.common.WebSite;
import cc.bnblogs.enums.ResultEnum;
import cc.bnblogs.pojo.Article;
import cc.bnblogs.pojo.Comment;
import cc.bnblogs.service.CommentService;
import org.springframework.data.domain.PageRequest;
import org.springframework.data.domain.Pageable;
import org.springframework.data.domain.Sort;
import org.springframework.web.bind.annotation.*;

import java.util.List;
import java.util.Objects;

/**
 * @author zfp@bnblogs.cc
 * @createTime: 2022/10/17
 */
@RestController
@RequestMapping("/admin/comment")
public class CommentController {
    private final CommentService commentService;
    private final WebSite webSite;


    public CommentController(CommentService commentService, WebSite webSite) {
        this.commentService = commentService;
        this.webSite = webSite;
    }

    /**
     * 根据评论是否已读返回分页后的评论列表
     * 按评论创建时间降序返回
     * @param view 是否已读
     * @param pageNumber 页号
     * @param pageSize 页大小
     * @return 分页后的评论
     */
    @GetMapping("/")
    public Result<PageHelper<Comment>> list(@RequestParam(required = false) Boolean view,
                                    @RequestParam(required = false,defaultValue = "1") Integer pageNumber,
                                    @RequestParam(required = false,defaultValue = "1")Integer pageSize) {
        pageNumber = Math.max(1,pageNumber);
        pageSize = Math.max(1,pageSize);
        return Result.success(commentService.list(view,pageNumber,pageSize));
    }

    /**
     * 请求评论详情的接口
     * @param id 评论id
     * @return 返回评论的详情
     */
    @GetMapping("/{id}")
    public Result<Comment> detail(@PathVariable Integer id) {
        Comment comment = commentService.detail(id);
        if (Objects.isNull(comment)) {
            return Result.error(ResultEnum.RESULT_NOT_FOUND);
        } else {
          return Result.success(comment);
        }
    }

    /**
     * 保存修改后的评论数据
     * @param comment 修改的评论
     * @return 修改结果
     */
    @PostMapping("/")
    public Result<String> save(Comment comment) {
        commentService.save(comment);
        return Result.success();
    }

    /**
     * 删除一个评论
     * @param id 删除的评论id
     * @return 删除结果
     */
    @DeleteMapping("/{id}")
    public Result<String> delete(@PathVariable Integer id) {
        commentService.delete(id);
        return Result.success();
    }

    /**
     * 一键已读所有评论
     */
    @GetMapping("/read")
    public Result<String> readAll(){
        commentService.readAll();
        return Result.success();
    }

    /**
     * 回复评论
     * @param pid 父评论id
     * @param aid 文章id
     * @param message 回复内容
     * @return 操作结果
     */
    @PostMapping("/{pid}")
    public Result<String> reply(@PathVariable Integer pid,Integer aid,String message) {
        // 构造一个comment对象
        // 填充站长的昵称、邮箱、网站地址、父评论id、文章id、回复内容
        Comment comment = Comment.builder()
                .article(Article.builder().id(aid).build())
                .nickname(webSite.getNickname())
                .email(webSite.getMail())
                .url(webSite.getDomain())
                .pid(pid)
                .content(message)
                .build();
        // 保存评论
        commentService.save(comment);
        return Result.success();
    }
}