node.js博客项目.zip

/** * Created by @chaotoge on 2017/7/5. */ var express = require('express'); var router = express.Router(); var checkLogin = require('../middlewares/check').checkLogin; var PostModel = require('../models/posts'); var CommentModel = require('../models/comments'); // GET /posts 所有用户或者特定用户的文章页 // eg: GET /posts?author=xxx /*router.get('/', function(req, res, next) { res.render('posts'); // res.send(req.flash()); });*/ router.get('/', function(req, res, next) { var author = req.query.author; PostModel.getPosts(author) .then(function (posts) { res.render('posts', { posts: posts }); }) .catch(next); }); /*// POST /posts 发表一篇文章 router.post('/', checkLogin, function(req, res, next) { res.send(req.flash()); }); // GET /posts/create 发表文章页 router.get('/create', checkLogin, function(req, res, next) { res.send(req.flash()); });*/ // GET /posts/create 发表文章页 router.get('/create', checkLogin, function(req, res, next) { res.render('create'); }); // POST /posts 发表一篇文章 router.post('/', checkLogin, function(req, res, next) { var author = req.session.user._id; var title = req.fields.title; var content = req.fields.content; // 校验参数 try { if (!title.length) { throw new Error('请填写标题'); } if (!content.length) { throw new Error('请填写内容'); } } catch (e) { req.flash('error', e.message); return res.redirect('back'); } var post = { author: author, title: title, content: content, pv: 0 }; PostModel.create(post) .then(function (result) { // 此 post 是插入 mongodb 后的值，包含 _id post = result.ops[0]; req.flash('success', '发表成功'); // 发表成功后跳转到该文章页 res.redirect(`/posts/${post._id}`); }) .catch(next); }); // GET /posts/:postId 单独一篇的文章页 /*router.get('/:postId', function(req, res, next) { res.send(req.flash()); });*/ // GET /posts/:postId 单独一篇的文章页 /*router.get('/:postId', function(req, res, next) { var postId = req.params.postId; Promise.all([ PostModel.getPostById(postId),// 获取文章信息 PostModel.incPv(postId)// pv 加 1 ]) .then(function (result) { var post = result[0]; if (!post) { throw new Error('该文章不存在'); } res.render('post', { post: post }); }) .catch(next); });*/ // GET /posts/:postId 单独一篇的文章页 router.get('/:postId', function(req, res, next) { var postId = req.params.postId; Promise.all([ PostModel.getPostById(postId),// 获取文章信息 CommentModel.getComments(postId),// 获取该文章所有留言 PostModel.incPv(postId)// pv 加 1 ]) .then(function (result) { var post = result[0]; var comments = result[1]; if (!post) { throw new Error('该文章不存在'); } res.render('post', { post: post, comments: comments }); }) .catch(next); }); /*// GET /posts/:postId/edit 更新文章页 router.get('/:postId/edit', checkLogin, function(req, res, next) { res.send(req.flash()); }); // POST /posts/:postId/edit 更新一篇文章 router.post('/:postId/edit', checkLogin, function(req, res, next) { res.send(req.flash()); }); // GET /posts/:postId/remove 删除一篇文章 router.get('/:postId/remove', checkLogin, function(req, res, next) { res.send(req.flash()); });*/ // GET /posts/:postId/edit 更新文章页 router.get('/:postId/edit', checkLogin, function(req, res, next) { var postId = req.params.postId; var author = req.session.user._id; PostModel.getRawPostById(postId) .then(function (post) { if (!post) { throw new Error('该文章不存在'); } if (author.toString() !== post.author._id.toString()) { throw new Error('权限不足'); } res.render('edit', { post: post }); }) .catch(next); }); // POST /posts/:postId/edit 更新一篇文章 router.post('/:postId/edit', checkLogin, function(req, res, next) { var postId = req.params.postId; var author = req.session.user._id; var title = req.fields.title; var content = req.fields.content; PostModel.updatePostById(postId, author, { title: title, content: content }) .then(function () { req.flash('success', '编辑文章成功'); // 编辑成功后跳转到上一页 res.redirect(`/posts/${postId}`); }) .catch(next); }); // GET /posts/:postId/remove 删除一篇文章 router.get('/:postId/remove', checkLogin, function(req, res, next) { var postId = req.params.postId; var author = req.session.user._id; PostModel.delPostById(postId, author) .then(function () { req.flash('success', '删除文章成功'); // 删除成功后跳转到主页 res.redirect('/posts'); }) .catch(next); }); // POST /posts/:postId/comment 创建一条留言 /*router.post('/:postId/comment', checkLogin, function(req, res, next) { res.send(req.flash()); }); // GET /posts/:postId/comment/:commentId/remove 删除一条留言 router.get('/:postId/comment/:commentId/remove', checkLogin, function(req, res, next) { res.send(req.flash()); });*/ // POST /posts/:postId/comment 创建一条留言 router.post('/:postId/comment', checkLogin, function(req, res, next) { var author = req.session.user._id; var postId = req.params.postId; var content = req.fields.content; var comment = { author: author, postId: postId, content: content }; CommentModel.create(comment) .then(function () { req.flash('success', '留言成功'); // 留言成功后跳转到上一页 res.redirect('back'); }) .catch(next); }); // GET /posts/:postId/comment/:commentId/remove 删除一条留言 router.get('/:postId/comment/:commentId/remove', checkLogin, function(req, res, next) { var commentId = req.params.commentId; var author = req.session.user._id; CommentModel.delCommentById(commentId, author) .then(function () { req.flash('success', '删除留言成功'); // 删除成功后跳转到上一页 res.redirect('back'); }) .catch(next); }); module.exports = router;