Weer net iets andere uitleg

1 files changed, 45 insertions, 10 deletions

diff --git a/main.js b/main.js
index 9cdc9df..a08957c 100644
--- a/main.js
+++ b/main.js
@@ -1,10 +1,24 @@
+/**
+ * Server side code using the express framework running on a Node.js server.
+ * 
+ * Load the express framework and create an app.
+ */
 const express = require('express');
 const app = express();
-/** Host alle bestanden in de client folder als static resources */
+/** 
+ * Host all files in the client folder as static resources.
+ * That means: localhost:8080/someFileName.js corresponds to client/someFileName.js.
+ */
 app.use(express.static('client'));
 
+/**
+ * Allow express to understand json serialization.
+ */
 app.use(express.json());
 
+/**
+ * Our code starts here.
+ */
 const attractions = [
     { 
         name: "De Efteling",
@@ -91,29 +105,50 @@ const attractions = [
     }, 
 ]
 
-app.post("/api/attractions", (request, response) => {
+/**
+ * A route is like a method call. It has a name, some parameters and some return value.
+ * 
+ * Name: /api/attractions
+ * Parameters: the request as made by the browser
+ * Return value: the list of attractions defined above as JSON
+ * 
+ * In addition to this, it has a HTTP method: GET, POST, PUT, DELETE
+ * 
+ * Whenever we make a request to our server,
+ * the Express framework will call one of the methods defined here.
+ * These are just regular functions. You can edit, expand or rewrite the code here as needed.
+ */
+app.get("/api/attractions", function (request, response) {
     console.log("Api call received for /attractions");
-    response.json(attractions)
-})
 
-app.post("/api/tickets", (request, response) => {
-    console.log("Api call received for /placeorder");
     response.json(attractions)
-})
+});
 
-app.post("/api/placeorder", (request, response) => {
+app.post("/api/placeorder", function (request, response) {
     console.log("Api call received for /placeorder");
+
+    /**
+     * Send the status code 200 back to the clients browser.
+     * This means OK.
+     */
     response.sendStatus(200);
 });
 
-app.get("/api/myorders", (request, response) => {
+app.get("/api/myorders", function (request, response) {
     console.log("Api call received for /myorders");
+
     response.sendStatus(200);
 });
 
-app.get("/api/admin/edit", (request, response) => {
+app.get("/api/admin/edit", function (request, response) {
     console.log("Api call received for /admin/edit");
+
     response.sendStatus(200);
 });
 
+
+/**
+ * Make our webserver available on port 8000.
+ * Visit localhost:8000 in any browser to see your site!
+ */
 app.listen(8000, () => console.log('Example app listening on port 8000!'));
\ No newline at end of file