Add server implementation

ng1/server.js

@@ -2,9 +2,12 @@
 
 const express = require('express');
 const bodyParser = require('body-parser');
+const morgan = require('morgan');
 
 const app = express();
 
+app.use(morgan('combined'));
+app.set('etag', false);
 app.use(bodyParser.json()); // before request handlers
 app.use(express.static('./'));
 
@@ -32,6 +35,7 @@ var contacts = [
       "phone": "789"
     }
 ]
+var lastContactId = 3;
 
 app.use(errorHandler); // after request handlers
 
@@ -55,19 +59,45 @@ function getContact(req, resp) {
             return;
         }
     }
-    resp.json("");
+    resp.status(404).end("Contact Not Found");
 }
 
 function addContact(req, resp) {
-    var task = request.body;
-    console.log(task);
+    var contact = req.body;
+
+    contacts.push({
+        "_id": ++lastContactId,
+        "name": contact.name,
+        "phone": contact.phone
+    })
+
+    resp.status(201).end("Created");
 }
 
 function changeContact(req, resp) {
-    var task = request.body;
-    console.log(task);
+    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 = request.params.id;
+    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");
 }