138 lines
3.1 KiB
JavaScript
138 lines
3.1 KiB
JavaScript
'use strict';
|
|
|
|
const express = require('express');
|
|
const bodyParser = require('body-parser');
|
|
const morgan = require('morgan');
|
|
|
|
const app = express();
|
|
|
|
app.use(morgan('dev'));
|
|
app.set('etag', false);
|
|
app.use(bodyParser.json()); // before request handlers
|
|
app.use(express.static('./'));
|
|
|
|
|
|
app.get('/api/contacts', getContacts);
|
|
app.get('/api/contacts/:id', getContact);
|
|
app.post('/api/contacts', addContact);
|
|
app.put('/api/contacts/:id', changeContact);
|
|
app.post('/api/contacts/delete', deleteMultibleContact);
|
|
app.delete('/api/contacts/:id', deleteContact);
|
|
|
|
var contacts = [
|
|
{
|
|
"_id": 1,
|
|
"name": "Jack",
|
|
"phone": "123"
|
|
},
|
|
{
|
|
"_id": 2,
|
|
"name": "Jill",
|
|
"phone": "456"
|
|
},
|
|
{
|
|
"_id": 3,
|
|
"name": "Mary",
|
|
"phone": "789"
|
|
}
|
|
]
|
|
var lastContactId = 3;
|
|
|
|
app.use(errorHandler); // after request handlers
|
|
|
|
app.listen(3000, () => console.log('Server is running on port 3000'));
|
|
|
|
function errorHandler(error, request, response, next) { // there must be 4 arguments
|
|
response.status(500).send('error: ' + error.toString());
|
|
}
|
|
|
|
function getContacts(req, resp) {
|
|
resp.set('Content-Type', 'application/json');
|
|
resp.json(contacts);
|
|
}
|
|
|
|
function getContact(req, resp) {
|
|
var id = req.params.id;
|
|
resp.set('Content-Type', 'application/json');
|
|
for (let contact of contacts) {
|
|
if (contact._id == id) {
|
|
resp.json(contact);
|
|
return;
|
|
}
|
|
}
|
|
resp.status(404).end("Contact Not Found");
|
|
}
|
|
|
|
function addContact(req, resp) {
|
|
var contact = req.body;
|
|
var sanitizedContact = {
|
|
"_id": ++lastContactId,
|
|
"name": contact.name,
|
|
"phone": contact.phone
|
|
}
|
|
|
|
contacts.push(sanitizedContact)
|
|
|
|
resp.status(200).json(sanitizedContact);
|
|
}
|
|
|
|
function changeContact(req, resp) {
|
|
var id = req.params.id;
|
|
var changedContact = req.body;
|
|
|
|
for (let contact of contacts) {
|
|
if (contact._id == id) {
|
|
contact.name = changedContact.name;
|
|
contact.phone = changedContact.phone
|
|
resp.status(200).end("Changed");
|
|
return;
|
|
}
|
|
}
|
|
resp.status(404).end("Contact Not Found");
|
|
}
|
|
|
|
function deleteContact(req, resp) {
|
|
var id = req.params.id;
|
|
for (let i=0; i < contacts.length; i++){
|
|
var contact = contacts[i];
|
|
if (contact._id == id){
|
|
contacts.splice(i, 1);
|
|
resp.status(200).end("Deleted");
|
|
return;
|
|
}
|
|
}
|
|
resp.status(404).end("Contact Not Found");
|
|
}
|
|
|
|
function deleteMultibleContact(req, resp) {
|
|
var contactIds = req.body;
|
|
var invalidIds = [];
|
|
|
|
while (true){
|
|
let id = contactIds.pop()
|
|
if (!id){
|
|
break;
|
|
}
|
|
for (let i=0; i < contacts.length; i++){
|
|
var contact = contacts[i];
|
|
if (contact._id == id){
|
|
contacts.splice(i, 1);
|
|
id = null;
|
|
}
|
|
}
|
|
|
|
if (id){
|
|
invalidIds.push(id);
|
|
}
|
|
}
|
|
|
|
if(invalidIds.length == 0){
|
|
resp.status(200).end("Deleted");
|
|
} else {
|
|
resp.status(404);
|
|
resp.json(invalidIds);
|
|
}
|
|
|
|
|
|
}
|