Files
quinn-bbc/src/main/java/com/quinn/controller/BlogController.java

246 lines
8.2 KiB
Java

package com.quinn.controller;
import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.quinn.pojo.Blog;
import com.quinn.pojo.BlogCategory;
import com.quinn.pojo.BlogStar;
import com.quinn.pojo.Comment;
import com.quinn.service.BlogCategoryService;
import com.quinn.service.BlogService;
import com.quinn.service.BlogStarService;
import com.quinn.service.CommentService;
import com.quinn.utils.QuinnUtils;
import com.quinn.vo.BlogStarReq;
import com.quinn.vo.QuestionWriteForm;
import com.quinn.vo.StarValue;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.util.CollectionUtils;
import org.springframework.util.StringUtils;
import org.springframework.web.bind.annotation.*;
import javax.annotation.Resource;
import javax.servlet.http.HttpServletRequest;
import java.util.ArrayList;
import java.util.List;
/**
* <p>
* 前端控制器
* </p>
*
* @author limqsh
* @since 2020-06-29
*/
@Controller
public class BlogController extends BaseModelController{
@Autowired
BlogCategoryService blogCategoryService;
@Autowired
BlogService blogService;
@Autowired
CommentService commentService;
@Resource
BlogStarService blogStarService;
// 列表展示
@GetMapping("/blog")
public String blogList(Model model){
Page<Blog> pageParam = new Page<>(1, 10);
blogService.page(pageParam,new QueryWrapper<Blog>().orderByDesc("sort").orderByDesc("gmt_create"));
// 结果
List<Blog> blogList = pageParam.getRecords();
model.addAttribute("blogList",blogList);
model.addAttribute("pageParam",pageParam);
List<Blog> topBlogList = blogService.getTopBlog();
model.addAttribute("topBlogList",topBlogList);
// 分类信息
List<BlogCategory> categoryList = blogCategoryService.list(null);
model.addAttribute("categoryList",categoryList);
return "blog/list";
}
@GetMapping("/blog/{page}/{limit}")
public String blogListPage(
@PathVariable int page,
@PathVariable int limit,
Model model){
if (page < 1){
page = 1;
}
Page<Blog> pageParam = new Page<>(page, limit);
blogService.page(pageParam,new QueryWrapper<Blog>().orderByDesc("sort").orderByDesc("gmt_create"));
// 结果
List<Blog> blogList = pageParam.getRecords();
model.addAttribute("blogList",blogList);
model.addAttribute("pageParam",pageParam);
List<Blog> topBlogList = blogService.getTopBlog();
model.addAttribute("topBlogList",topBlogList);
// 分类信息
List<BlogCategory> categoryList = blogCategoryService.list(null);
model.addAttribute("categoryList",categoryList);
return "blog/list";
}
// 写文章
@GetMapping("/blog/write")
public String toWrite(Model model){
List<BlogCategory> categoryList = blogCategoryService.list(null);
model.addAttribute("categoryList",categoryList);
return "blog/write";
}
@PostMapping("/blog/write")
public synchronized String write(QuestionWriteForm questionWriteForm){
// 构建问题对象
Blog blog = new Blog();
blog.setBid(QuinnUtils.getUuid());
blog.setTitle(questionWriteForm.getTitle());
blog.setContent(questionWriteForm.getContent());
blog.setSort(0);
blog.setViews(0);
blog.setAuthorId(questionWriteForm.getAuthorId());
blog.setAuthorName(questionWriteForm.getAuthorName());
blog.setAuthorAvatar(questionWriteForm.getAuthorAvatar());
BlogCategory category = blogCategoryService.getById(questionWriteForm.getCategoryId());
blog.setCategoryId(questionWriteForm.getCategoryId());
blog.setCategoryName(category.getCategory());
blog.setGmtCreate(QuinnUtils.getTime());
blog.setGmtUpdate(QuinnUtils.getTime());
// 存储对象
blogService.save(blog);
// 重定向到列表页面
return "redirect:/blog";
}
// 阅读文章
@GetMapping("/blog/read/{bid}")
public String read(HttpServletRequest request, @PathVariable("bid") String bid, Model model){
Blog blog = blogService.getOne(new QueryWrapper<Blog>().eq("bid", bid));
blog.setViews(blog.getViews()+1);
blogService.updateById(blog);
model.addAttribute("blog",blog);
StarValue starValue = new StarValue();
starValue.setStar(false);
String loginUserId = getLoginUserId(request);
if (!StringUtils.isEmpty(loginUserId)){
List<BlogStar> stars = blogStarService.list(new QueryWrapper<BlogStar>().eq("user_id", loginUserId));
if (!CollectionUtils.isEmpty(stars)){
starValue.setStar(true);
}
}
model.addAttribute("starValue",starValue);
List<Comment> commentList = commentService.list(new QueryWrapper<Comment>().eq("topic_id", bid).orderByDesc("gmt_create"));
model.addAttribute("commentList",commentList);
return "blog/read";
}
// 收藏
@PostMapping("/blog/star")
public synchronized String toStar(BlogStarReq blogStarReq, Model model){
StarValue starValue = new StarValue();
starValue.setStar(false);
List<BlogStar> list = blogStarService.list(new QueryWrapper<BlogStar>()
.eq("user_id", blogStarReq.getUserId()).eq("topic_id", blogStarReq.getTopicId()));
if (!CollectionUtils.isEmpty(list)){
list.forEach(x->{
blogStarService.removeById(x);
});
starValue.setStar(false);
} else {
BlogStar blogStar = new BlogStar();
blogStar.setTopicId(blogStarReq.getTopicId());
blogStar.setUserId(blogStarReq.getUserId());
blogStar.setGmtCreate(QuinnUtils.getTime());
blogStarService.save(blogStar);
starValue.setStar(true);
}
model.addAttribute("starValue",starValue);
return "blog/read::star_refresh";
}
// 编辑问题
@GetMapping("/blog/editor/{uid}/{bid}")
public synchronized String toEditor(@PathVariable("uid") String uid,
@PathVariable("bid") String bid,Model model){
Blog blog = blogService.getOne(new QueryWrapper<Blog>().eq("bid", bid));
if (!blog.getAuthorId().equals(uid)){
QuinnUtils.print("禁止非法编辑");
return "redirect:/blog";
}
model.addAttribute("blog",blog);
List<BlogCategory> categoryList = blogCategoryService.list(null);
model.addAttribute("categoryList",categoryList);
return "blog/editor";
}
@PostMapping("/blog/editor")
public String editor(Blog blog){
Blog queryBlog = blogService.getOne(new QueryWrapper<Blog>().eq("bid", blog.getBid()));
queryBlog.setTitle(blog.getTitle());
queryBlog.setCategoryId(blog.getCategoryId());
queryBlog.setContent(blog.getContent());
queryBlog.setGmtUpdate(QuinnUtils.getTime());
blogService.updateById(queryBlog);
return "redirect:/blog/read/"+blog.getBid();
}
// 删除问题
@GetMapping("/blog/delete/{uid}/{bid}")
public String delete(@PathVariable("uid") String uid,
@PathVariable("bid") String bid){
Blog blog = blogService.getOne(new QueryWrapper<Blog>().eq("bid", bid));
if (!blog.getAuthorId().equals(uid)){
QuinnUtils.print("禁止非法删除");
return "redirect:/blog";
}
blogService.removeById(blog);
// 重定向到列表页面
return "redirect:/blog";
}
// 评论
@PostMapping("/blog/comment/{bid}")
public String comment(@PathVariable("bid") String bid, Comment comment){
// 存储评论
comment.setCommentId(QuinnUtils.getUuid());
comment.setTopicCategory(1);
comment.setGmtCreate(QuinnUtils.getTime());
commentService.save(comment);
// 重定向到列表页面
return "redirect:/blog/read/"+bid;
}
}