From de567501a7aef2d4799406b3acc0519bd0932174 Mon Sep 17 00:00:00 2001
From: Harald Eilertsen <haraldei@anduin.net>
Date: Thu, 17 Oct 2019 10:36:46 +0200
Subject: Use so date format for html element id's.

---
 public/js/app.js | 32 +++++++++++++++++++-------------
 1 file changed, 19 insertions(+), 13 deletions(-)

diff --git a/public/js/app.js b/public/js/app.js
index e84c8ce..65bb92f 100644
--- a/public/js/app.js
+++ b/public/js/app.js
@@ -24,17 +24,29 @@ function load_screenings(data_done) {
     req.send()
 }
 
+function pad(num) {
+    return num > 9 ? num.toString() : "0" + num
+}
+
+function time_f(t) {
+    return pad(t.getHours()) + ":" + pad(t.getMinutes())
+}
+
 function date_f(d) {
     let opts = { weekday: 'long', day: 'numeric', month: 'long', year: 'numeric' }
     return new Intl.DateTimeFormat('nb-NO', opts).format(d)
 }
 
+function isodate(d) {
+    return d.getFullYear() + "-" + pad(d.getMonth() + 1) + "-" + pad(d.getDate())
+}
+
 window.addEventListener("load", function() {
     let screenings_by_date = new Map()
 
     function _add(screening) {
         let d = new Date(screening.date || screening.start_time)
-        let key = date_f(d)
+        let key = isodate(d)
         if (!screenings_by_date.has(key))
             screenings_by_date.set(key, new Array())
 
@@ -42,14 +54,6 @@ window.addEventListener("load", function() {
         s.push(screening)
     };
 
-    function pad(num) {
-        return num > 9 ? num.toString() : "0" + num
-    }
-
-    function time_f(t) {
-        return pad(t.getHours()) + ":" + pad(t.getMinutes())
-    }
-
     function break_text(c, text, x, y, width) {
         let len = c.measureText(text).width
         if (len < width) {
@@ -173,14 +177,16 @@ window.addEventListener("load", function() {
             let day = document.createElement('section')
             let rooms = new Set(s.map( el => el.room.name ))
             let width = xmargin + 150 * rooms.size
+            let dateobj = new Date(date)
+            console.log("dateobj: " + dateobj)
 
-            day.id = "program-" + date
-            day.innerHTML = '<h2>' + date + '</h2>'
-                + '<canvas id="canvas-' + date + '" height="' + canvas_height + '" width="' + width + '">'
+            day.id = "program-" + isodate(dateobj)
+            day.innerHTML = '<h2>' + date_f(dateobj) + '</h2>'
+                + '<canvas id="canvas-' + isodate(dateobj) + '" height="' + canvas_height + '" width="' + width + '">'
                 + '</canvas>'
             p.appendChild(day)
 
-            let canvas = document.getElementById('canvas-' + date)
+            let canvas = document.getElementById('canvas-' + isodate(dateobj))
             let c = canvas.getContext('2d');
             c.fillStyle = '#233'
             c.fillRect(0, 0, width, canvas_height);
-- 
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