From f877297006322bd9e55b0e34e71698504ce0a23b Mon Sep 17 00:00:00 2001
From: Christian Pointner <equinox@helsinki.at>
Date: Wed, 1 Oct 2014 20:57:12 +0000
Subject: actually printing current week


diff --git a/index.html b/index.html
index 7792283..b021025 100644
--- a/index.html
+++ b/index.html
@@ -89,7 +89,7 @@
           <div class="span2">
             <center>
               <h4>Aktuelle Woche</h4>
-              <span id="current-week" class="label label-success">Woche 1</span>
+              <span id="current-week"></span>
             </center>
           </div>
         </div>
diff --git a/js/shows.js b/js/shows.js
index 6b272bf..d12563c 100644
--- a/js/shows.js
+++ b/js/shows.js
@@ -154,11 +154,33 @@ function shows_updateList(data, status, req) {
   shows_showSelected();
 }
 
+function draw_current_week()
+{
+  var weekspan = $('#current-week').removeClass().addClass('label');
+  switch(get_rd_week()) {
+    case 1:
+      weekspan.addClass('label-info').text('Woche 1');
+      break;
+    case 2:
+      weekspan.addClass('label-warning').text('Woche 2');
+      break;
+    case 3:
+      weekspan.addClass('label-success').text('Woche 3');
+      break;
+    case 4:
+      weekspan.addClass('label-important').text('Woche 4');
+      break;
+    default:
+      weekspan.addClass('label-inverse').text('Fehler');
+  }
+}
+
 function shows_init() {
   shows_currentid = sessionStorage.getItem("shows_currentid");
   shows_list = [];
   data = { LOGIN_NAME: auth_username, PASSWORD: auth_token };
   $.post("/rh-bin/listdropboxes.cgi", data, shows_updateList, "xml")
+  draw_current_week();
 }
 
 function shows_cleanup() {
diff --git a/js/utils.js b/js/utils.js
index 0e76068..cdc06dd 100644
--- a/js/utils.js
+++ b/js/utils.js
@@ -32,3 +32,23 @@ function format_datetime(d) {
   }
   return d;
 }
+
+function get_rd_week() {
+  //
+  // This computes the current Rivendell Week based on the number
+  // of weeks since epoch.
+  //
+  // Explanation:
+  //  epoch was at 01.01.1970 which was a Thursday.
+  //  Monday in that week is (s-from-epoch + 3*24*60*60) seconds ago.
+  //  Divide this by (7*24*60*60) and you get the number of
+  //  weeks since the Monday in the week of epoch.
+  //  This week had week number 3 so add an offset of 2 and
+  //  get the modulo of 4. This rounded down gives you the current week
+  //  with 0 meaning Week 1. So add 1 to that number and you will get
+  //  the current RD week.
+  //
+  var sEpoch = (+new Date()) / 1000;
+  var week = Math.floor((((sEpoch + 259200)/604800) + 2) % 4) + 1
+  return week;
+}
diff --git a/styles/shows.css b/styles/shows.css
index 0191f6b..f241f40 100644
--- a/styles/shows.css
+++ b/styles/shows.css
@@ -9,3 +9,8 @@
   height: 2.5em;
   width: 100%;
 }
+#current-week {
+  display: block;
+  margin: 0.5em;
+  padding: 0.5em 1em;
+}
-- 
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