From 402dc271807d0528bed52b17a0e9e0210282175a Mon Sep 17 00:00:00 2001
From: Oskar <o.winkels@fasttube.de>
Date: Thu, 3 Dec 2020 14:33:55 +0100
Subject: [PATCH] Web: resolve #15 by converting UTC to local time for input
 limits

---
 web/index.html    | 13 +++++++++++--
 web/viewdata.html | 14 +++++++++-----
 2 files changed, 20 insertions(+), 7 deletions(-)

diff --git a/web/index.html b/web/index.html
index c9705c4..d8db72a 100644
--- a/web/index.html
+++ b/web/index.html
@@ -223,6 +223,15 @@
 
 			}
 
+			function localISOTimeMinutes(date) {
+
+				var tzoffset = date.getTimezoneOffset() * 60000; //offset in milliseconds
+				var localISOTime = (new Date(date - tzoffset)).toISOString().slice(0, -1);
+
+				return localISOTime.split(':').slice(0,2).join(':')
+
+			}
+
 			function handleRequest(res) {
 
 				var reqt = {
@@ -240,10 +249,10 @@
 						var d = new Date(json.arrival.time)
 						var dInfo = d.toString('en-GB').split(' ').slice(0,5).join(' ')
 						aInfo = `Your last arrival was on <b>${dInfo}</b> in room <b>${json.arrival.room}</b>.`
-						minD = `min="${json.arrival.time.split(':').slice(0,2).join(':')}"`
+						minD = `min="${localISOTimeMinutes(d)}"`
 					}
 
-					var now = new Date().toISOString().split(':').slice(0,2).join(':')
+					var now = localISOTimeMinutes(new Date())
 
 					document.body.innerHTML +=
 						`<div class="request">
diff --git a/web/viewdata.html b/web/viewdata.html
index 5de2cdb..51718c4 100644
--- a/web/viewdata.html
+++ b/web/viewdata.html
@@ -227,12 +227,16 @@
 
 			}
 
-			var now = new Date()
-			var localISODate = new Date(now.getTime() -
-				(now.getTimezoneOffset() * 60000)).toISOString();
+			function localISOTimeMinutes(date) {
 
-			document.querySelector('input#end').value =
-				localISODate.split(':').slice(0,2).join(':')
+				var tzoffset = date.getTimezoneOffset() * 60000; //offset in milliseconds
+				var localISOTime = (new Date(date - tzoffset)).toISOString().slice(0, -1);
+
+				return localISOTime.split(':').slice(0,2).join(':')
+
+			}
+
+			document.querySelector('input#end').value = localISOTimeMinutes(new Date())
 
 			var scrollbox = document.querySelector('.scroll')
 			var timehead = document.querySelector('#timeheader')