test

.gitignore

@@ -2,3 +2,4 @@ node_modules/
 conn.php
 .DS_STORE
 .eslintcache
+config.json

homeworks/week17/hw1/.gitignore

@@ -0,0 +1 @@
+node_modules/

homeworks/week17/hw1/controllers/content.js

@@ -0,0 +1,140 @@
+const db = require('../models')
+const Contents = db.hw17_contents //hw17_contents 指的不是 models 資料夾底下的名稱，是裡面定義的內容，注意大小寫
+const User = db.hw17_users // hw17_users 指的不是 models 資料夾底下的名稱，是裡面定義的內容，注意大小寫
+
+const contentController = {
+    index: (req, res) => {
+        User.findAll({
+            include: {
+                model: Contents, //為上面引入並定義的參數
+                where: {
+                    is_deleted: null //對於要關聯的內容下條件
+                },
+            },
+            order: [[Contents ,'id', 'desc']] //對於 include model 指定升降冪排序
+        }).then(users => {
+            res.render('front', {
+                users
+            })
+        })
+    },
+
+    category: (req, res) => {
+        User.findAll({
+            include: {
+                model: Contents,
+                where: {
+                    is_deleted: null //對於要關聯的內容下條件
+                }
+            },
+            order: [[Contents ,'id', 'desc']]
+        }).then(users => {
+            res.render('content/category', {
+                users
+            })
+        })
+    },
+
+    write: (req, res) => {
+        User.findAll({
+            where: {
+                username: req.session.username
+            } 
+        }).then(users => {
+            res.render('content/write', {
+                users
+            })
+        })
+
+    },
+
+    handleWrite: (req, res, next) => {
+        const {title, content } = req.body 
+        if (!title || !content ) { //檢查 POST 表單有沒有東西
+            req.flash('errorMessage', "缺少必要欄位")
+            return next() // 給下一個 middleware 來處理
+        }
+
+        Contents.create({
+            username: req.session.username,
+            article_titile: title,
+            article_content: content,
+            hw17UserId: req.session.userId
+        }).then(() => {
+            res.redirect('/')
+        })
+    },
+
+    article: (req, res) => {
+        User.findAll({
+            include: {
+                model: Contents,
+                where: {
+                    id: req.params.id //對於要關聯的內容下條件
+                }
+            },
+        }).then(users => {
+            res.render('content/article', {
+                users
+            })
+        })
+    },
+
+
+    editArticle: (req, res) => {
+        User.findAll({
+            include: {
+                model: Contents,
+                where: {
+                    id: req.params.id //對於要關聯的內容下條件
+                }
+            },
+        }).then(users => {
+            res.render('content/editArticle', {
+                users
+            })
+        })
+    },
+
+    handleEditArticle: (req, res, next) => {
+        const {title, content } = req.body 
+        if (!title || !content ) { //檢查 POST 表單有沒有東西
+            req.flash('errorMessage', "缺少必要欄位")
+            return next() // 給下一個 middleware 來處理
+        }
+
+        Contents.findOne({
+            where: {
+                id: req.params.id,
+                hw17UserId: req.body.userId
+            }
+        }).then(content => {
+            return content.update({
+                article_titile: req.body.title,
+                article_content: req.body.content
+            }).then(() => {
+                res.redirect('/');
+            }).catch(() => {
+                res.redirect('/');
+            });
+        })
+    },
+
+    handleDeleteArticle: (req, res, next) => {
+        Contents.findOne({
+            where: {
+                id: req.params.id,
+            }
+        }).then(content => {
+            return content.update({
+                is_deleted: 1,
+            }).then(() => {
+                res.redirect('/')
+            }).catch(() => {
+                res.redirect('/')
+            })
+        })
+    },
+}
+
+module.exports = contentController

homeworks/week17/hw1/controllers/user.js

@@ -0,0 +1,48 @@
+const db = require('../models')
+const Contents = db.hw17_contents //hw17_contents 指的不是 models 資料夾底下的名稱，是裡面定義的內容，注意大小寫
+const User = db.hw17_users // hw17_users 指的不是 models 資料夾底下的名稱，是裡面定義的內容，注意大小寫
+
+const userController = {
+    login: (req, res) => {
+        res.render('user/login')
+    },
+
+    handleLogin: (req, res, next) => {
+        const {username, password} = req.body
+        if (!username || !password ) {
+            req.flash('errorMessage', "缺少必要欄位")
+            return next() // 給下一個 middleware 來處理
+        }
+
+        User.findOne({ // 去資料庫 User 去找條件為表格輸入的 username 
+            where: {
+                username: username
+            }
+        }).then(user => { // user 為自己定義的，為了去帶去資料庫的東西而已
+            if (!user) { // 看資料庫有無 username 存在，沒有則 !user 不會有東西
+                req.flash('errorMessage', '使用者不存在')
+                return next()
+            }
+
+            if (password === user.password) {
+                req.session.username = user.username
+                req.session.userId = user.id
+            } else {
+                req.flash('errorMessage', '密碼錯誤')
+                return next()
+            }
+            res.redirect('/')
+
+        }).catch(err => {
+            req.flash('errorMessage', err.toString())
+                return next()
+        })
+    },
+
+    logout: (req, res) => {
+        req.session.username = null
+        res.redirect('/')
+    }
+}
+
+module.exports = userController

homeworks/week17/hw1/index.js

@@ -0,0 +1,65 @@
+const express = require('express') //引入進來會是一個 function
+const app = express()
+const port = process.env.PORT || 5001
+const flash = require('connect-flash')
+const session = require('express-session')
+const bodyParser = require('body-parser')
+
+// 有用 POST 表單需加
+app.use(bodyParser.urlencoded({ extended: false }))
+app.use(bodyParser.json())
+
+// connect views
+app.set('view engine', 'ejs')
+
+//負責管理 Session
+app.use(session({
+    secret: 'keyboard cat',
+    resave: false,
+    saveUninitialized: true,
+}))
+
+// 顯示錯誤用
+app.use(flash())
+
+// 登入以及錯誤資訊
+app.use((req, res, next) => {
+    res.locals.username = req.session.username //可將變數傳給 view 來使用，類似全域變數
+    res.locals.errorMessage = req.flash('errorMessage') //可將變數傳給 view 來使用，類似全域變數
+    next() // middleware 可以繼續往下傳
+})
+
+function redirectBack(req, res) {
+    res.redirect('back')
+}
+
+// 檢查是否為登入狀態
+function checkUserAuth(req, res, next) {
+    if (req.session.username === undefined) {
+        return res.redirect('back')
+    }
+    next()
+}
+//引入絕對路徑 public 資料夾底下的 css/ jpg 檔案
+app.use('/', express.static(__dirname + '/public')); 
+
+
+const contentController = require('./controllers/content')
+const userController = require('./controllers/user')
+
+app.get('/login', userController.login) //傳給 controller 來處理
+app.post('/login', userController.handleLogin, redirectBack)
+app.get('/logout', userController.logout)
+
+app.get('/', contentController.index)
+app.get('/category', contentController.category) 
+app.get('/article/:id', contentController.article)
+app.get('/edit-article/:id', checkUserAuth ,contentController.editArticle, redirectBack)
+app.post('/edit-article/:id', checkUserAuth ,contentController.handleEditArticle, redirectBack)
+app.get('/delete-article/:id',checkUserAuth ,contentController.handleDeleteArticle, redirectBack)
+app.get('/write', checkUserAuth ,contentController.write)
+app.post('/write-article', checkUserAuth ,contentController.handleWrite, redirectBack)
+
+app.listen(port, () => {
+    console.log(`Example app listening on port ${port}!`)
+})

homeworks/week17/hw1/migrations/20210925091449-create-hw17_users.js

@@ -0,0 +1,33 @@
+'use strict';
+module.exports = {
+  up: async (queryInterface, Sequelize) => {
+    await queryInterface.createTable('hw17_users', {
+      id: {
+        allowNull: false,
+        autoIncrement: true,
+        primaryKey: true,
+        type: Sequelize.INTEGER
+      },
+      username: {
+        type: Sequelize.STRING
+      },
+      password: {
+        type: Sequelize.STRING
+      },
+      about: {
+        type: Sequelize.STRING
+      },
+      createdAt: {
+        allowNull: false,
+        type: Sequelize.DATE
+      },
+      updatedAt: {
+        allowNull: false,
+        type: Sequelize.DATE
+      }
+    });
+  },
+  down: async (queryInterface, Sequelize) => {
+    await queryInterface.dropTable('hw17_users');
+  }
+};

homeworks/week17/hw1/migrations/20210925091734-create-hw17_contents.js

@@ -0,0 +1,42 @@
+'use strict';
+module.exports = {
+  up: async (queryInterface, Sequelize) => {
+    await queryInterface.createTable('hw17_contents', {
+      id: {
+        allowNull: false,
+        autoIncrement: true,
+        primaryKey: true,
+        type: Sequelize.INTEGER
+      },
+      username: {
+        type: Sequelize.STRING
+      },
+      article_titile: {
+        type: Sequelize.STRING
+      },
+      article_content: {
+        type: Sequelize.TEXT
+      },
+      article_category: {
+        type: Sequelize.STRING
+      },
+      is_deleted: {
+        type: Sequelize.INTEGER
+      },
+      createdAt: {
+        allowNull: false,
+        type: Sequelize.DATE
+      },
+      updatedAt: {
+        allowNull: false,
+        type: Sequelize.DATE
+      },
+      hw17UserId: {
+        type: Sequelize.INTEGER
+      }
+    });
+  },
+  down: async (queryInterface, Sequelize) => {
+    await queryInterface.dropTable('hw17_contents');
+  }
+};

homeworks/week17/hw1/models/contents.js

@@ -0,0 +1,27 @@
+'use strict';
+const {
+  Model
+} = require('sequelize');
+module.exports = (sequelize, DataTypes) => {
+  class hw17_contents extends Model {
+    /**
+     * Helper method for defining associations.
+     * This method is not a part of Sequelize lifecycle.
+     * The `models/index` file will call this method automatically.
+     */
+    static associate(models) {
+      // define association here
+      hw17_contents.belongsTo(models.hw17_users);
+    }
+  };
+  hw17_contents.init({
+    username: DataTypes.STRING,
+    article_titile: DataTypes.STRING,
+    article_content: DataTypes.TEXT,
+    is_deleted: DataTypes.INTEGER,
+  }, {
+    sequelize,
+    modelName: 'hw17_contents',
+  });
+  return hw17_contents;
+};