From 03323caa69ccc1ff7c5aab4e6eaa48087d5ec6ba Mon Sep 17 00:00:00 2001
From: Oliver Boehlk <ollitobiasb@gmail.com>
Date: Sun, 23 Feb 2020 15:33:43 +0100
Subject: [PATCH] implement basic day query

---
 backend/index.js | 34 ++++++++++++++++++++++++++++++++++
 1 file changed, 34 insertions(+)
 create mode 100644 backend/index.js

diff --git a/backend/index.js b/backend/index.js
new file mode 100644
index 0000000..e5182a6
--- /dev/null
+++ b/backend/index.js
@@ -0,0 +1,34 @@
+const express = require('express')
+const app = express();
+const status = require('http-status');
+var mysql = require('mysql');
+var connection = mysql.createConnection({
+    host: 'localhost',
+    user: 'simcompanies',
+    password: '',
+    database: 'simcompanies'
+});
+
+app.get('/API/day', function (req, res) {
+    var date = new Date(req.query.date);
+    const kind = parseInt(req.query.kind);
+    if (date instanceof Date && Number.isInteger(kind))
+        if (!isNaN(date.getTime()) && kind >= 1 && kind <= 113) {
+            const daybegin = `${date.getFullYear()}-${date.getMonth() + 1}-${date.getDate()}`;
+            date.setDate(date.getDate() + 1);
+            const dayend = `${date.getFullYear()}-${date.getMonth() + 1}-${date.getDate()}`;
+            const querystring = `SELECT time, price FROM market WHERE kind = ${kind} AND time > "${daybegin}" AND time < "${dayend}"`
+            connection.query(querystring, function (error, results, fields) {
+                if (error) {
+                    throw error;
+                }
+                res.send(results);
+            });
+        }
+        else
+            res.status(status.BAD_REQUEST).send("invalid data provided");
+    else
+        res.status(status.BAD_REQUEST).send("invalid data provided");
+});
+
+app.listen(3000);
\ No newline at end of file