ajout correction tp 1

README.md

@@ -1,4 +1,4 @@
-# W4b - Compléments de programmation web côté serveur / client
+# W4ab - Compléments de programmation web côté serveur / client
 Bienvenue dans ce module de programmation web :-)
 
 Vous trouverez dans ce dépôt les ressources nécessaires pour la réalisation des TP.

correction_tp1/server.js

@@ -0,0 +1,116 @@
+const
+express = require('express'),
+Sequelize = require('sequelize'),
+bodyParser = require('body-parser');
+
+
+const app = express();
+
+
+app.use(bodyParser.json());
+
+
+// create Sequelize instance
+const sequelize = new Sequelize('w4a', 'w4a', 'w4aw4aw4a', {
+	host: 'localhost',
+	port: 3306,
+	dialect: 'mysql',
+	dialectOptions: { decimalNumbers: true }
+	// logging: false
+});
+
+// create models
+class Person extends Sequelize.Model { }
+
+Person.init({
+	lastname: Sequelize.STRING,
+	firstname: Sequelize.STRING
+}, {
+	sequelize,
+	modelName: 'Person'
+});
+
+// sync DB
+sequelize.sync();
+
+// create controllers
+const personCtrl = {
+
+	get_all: (req, res, next) => {
+		return Person.findAll({
+			order: ['lastname'] // sort results by lastname
+		})
+		.then((people) => res.json(people))
+		.catch((err) => next(err));
+	},
+
+	get_by_id: (req, res, next) => {
+		return Person.findByPk(req.params.person_id)
+		.then((person) => {
+			if (!person) {
+				throw { status: 404, message: 'Requested Person not found' };
+			}
+			return res.json(person);
+		})
+		.catch((err) => next(err));
+	},
+
+	create: (req, res, next) => {
+		const data = {
+			firstname: req.body.firstname || '', // use empty string if not defined
+			lastname: req.body.lastname || '' // use empty string if not defined
+		};
+		return Person.create(data)
+		.then((person) => res.json(person))
+		.catch((err) => next(err));
+	},
+
+	update_by_id: (req, res, next) => {
+		return Person.findByPk(req.params.person_id)
+		.then((person) => {
+			if (!person) {
+				throw { status: 404, message: 'Requested Person not found' };
+			}
+			Object.assign(person, req.body);
+			return person.save();
+		})
+		.then((person) => res.json(person))
+		.catch((err) => next(err));
+	},
+
+	delete_by_id: (req, res, next) => {
+		return Person.findByPk(req.params.person_id)
+		.then((person) => {
+			if (!person) {
+				throw { status: 404, message: 'Requested Person not found' };
+			}
+			return person.destroy();
+		})
+		.then(() => res.status(200).end())
+		.catch((err) => next(err));
+	}
+
+};
+
+// register routes
+app.get('/person', personCtrl.get_all);
+app.post('/person', personCtrl.create);
+app.get('/person/:person_id', personCtrl.get_by_id);
+app.put('/person/:person_id', personCtrl.update_by_id);
+app.delete('/person/:person_id', personCtrl.delete_by_id);
+
+// register error handling middleware
+app.use((err, req, res, next) => {
+	if (err.status === undefined) {
+		return res.status(500).send(err.message);
+	} else {
+		return res.status(err.status).send(err.message);
+	}
+});
+
+// launch server
+const server = app.listen(3000, () => {
+	const host = server.address().address;
+	const port = server.address().port;
+	console.log('App listening at http://%s:%s', host, port);
+});

test_promises.js

@@ -0,0 +1,24 @@
+
+const add_later = (a, b) => {
+    return new Promise((resolve, reject) => {
+        setTimeout(() => {
+            if (a < 0 || b < 0) {
+                reject('Erreur: nombre négatif');
+            }
+            resolve(a+b);
+        }, 1000);
+    });
+};
+
+add_later(3, 4)
+.then((x) => {
+    console.log('result = ' + x);
+    return add_later(x, -5);
+})
+.then((x) => {
+    console.log('result = ' + x);
+})
+.catch((err) => console.log(err))
+.then(() => console.log('after catch'));
+
+console.log('blablabla');