DB Lecture

Author: abhishek97

db/auth.js

@@ -0,0 +1,19 @@
+const express = require('express')
+const session = require('express-session')
+const app = express()
+
+app.use(session({
+  secret: 'nobody should guess this',
+  saveUninitialized: true,
+  cookie: { secure: false }
+}))
+
+app.get('/', (req, res) => {
+  req.session.count = req.session.count || 0
+  req.session.count++
+  res.send(`You saw this ${req.session.count} times`)
+})
+
+app.listen('8080', function () {
+  console.log("Running on 8080")
+})

db/db.sqlite3

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+const DB = require('./models')
+const { Op } = require('sequelize')
+
+// console.log(DB.User.findAll())
+
+DB.sequelize.sync().then(() => console.log("Synced"))
+
+
+// DB.User.findAll({
+//   where: {
+//     email: {
+//       [Op.like]: '%abhishek%'
+//     }
+//   }
+// }).then(users => {
+//   console.log(users.map(u => u.get({plain: true})))
+// })
+
+DB.User.findByPk(1).then(user => {
+  console.log(user.get({plain: true}))
+})
+
+

db/index.js

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+const Sequelize = require('sequelize')
+const sequelize = require('./sequelize')
+
+const { Model } = Sequelize
+
+class User extends Model { }
+
+User.init({
+  id: {
+    type: Sequelize.BIGINT,
+    primaryKey: true,
+    autoIncrement: true
+  },
+  name: Sequelize.STRING,
+  email: Sequelize.STRING,
+  gender: Sequelize.ENUM(['Male', 'Female'])
+}, { sequelize, modelName: 'users' })
+
+module.exports = {
+  User,
+  sequelize
+}