Added ability to make post request to scan articles

ajax/scan_article.php

@@ -0,0 +1,35 @@
+<?php
+$rest_json = file_get_contents("php://input");
+$_POST = json_decode($rest_json, true);
+
+// Must have a code and password field
+$fp = fopen('.htpassajax', 'r');
+$password = trim(fread($fp, filesize('.htpassajax')));
+fclose($fp);
+
+if ($_POST["password"] != $password)
+    die("Wrong Password");
+
+// open the file and get the stock
+$file = '../data/stock.json';
+$fp = fopen($file, 'r');
+$result = json_decode(fread($fp, filesize($file)));
+fclose($fp);
+
+$price = 'N/A';
+
+// Get the price from the given code and remove 1 in quantity. Do not get the price if quantity is at 0
+foreach ($result->articles as $articleObject) {
+    if ($articleObject->code === $_POST["code"] && intval($articleObject->quantity) > 0) {
+        $price = $articleObject->price;
+        $articleObject->quantity = strval(intval($articleObject->quantity) - 1);
+    }
+}
+
+// open the file and write the updated stock
+$fp = fopen('../data/stock.json', 'w');
+fwrite($fp, json_encode($result));
+fclose($fp);
+
+echo $price;
+

assets/js/stock.js

@@ -205,3 +205,23 @@ function saveDataset() {
         },
     });
 }
+
+
+
+function scanArticle(code) {
+    let data = {
+        password: 'coucou',
+        code : code,
+    };
+    $.ajax({
+        type: "POST",
+        url: "../ajax/scan_article.php",
+        data: JSON.stringify(data),
+        dataType: "json",
+        contentType: "application/json; charset=utf-8",
+        complete: function (data) {
+            // alert(data.responseText);
+            console.log(data.responseText);
+        },
+    });
+}