From 63819c5757b0e0cc3c5d0003c4f4c5671407e6d5 Mon Sep 17 00:00:00 2001
From: Joseph Bethge <Jopyth@users.noreply.github.com>
Date: Sat, 21 Jan 2017 16:05:29 +0100
Subject: [PATCH] fix calendar issues

---
 CHANGELOG.md                                         |  2 +-
 modules/default/calendar/vendor/ical.js/ical.js      | 12 +++++++++++-
 modules/default/calendar/vendor/ical.js/node-ical.js | 11 ++++++++---
 3 files changed, 20 insertions(+), 5 deletions(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index f1e8571f..3211d200 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -8,7 +8,7 @@ This project adheres to [Semantic Versioning](http://semver.org/).
 
 ### Changed
 - Installer: Use init config.js from config.js.sample.
-- Switched out `rrule` package for `rrule-alt` in order to improve calendar issues. (Experimental: [#565](https://github.com/MichMich/MagicMirror/issues/565))
+- Switched out `rrule` package for `rrule-alt` and fixes in `ical.js` in order to fix calendar issues. ([#565](https://github.com/MichMich/MagicMirror/issues/565))
 - Make mouse events pass through the region fullscreen_above to modules below.
 - Scaled the splash screen down to make it a bit more subtle.
 - Replace HTML tables with markdown tables in README files.
diff --git a/modules/default/calendar/vendor/ical.js/ical.js b/modules/default/calendar/vendor/ical.js/ical.js
index 252e426b..f60c5357 100644
--- a/modules/default/calendar/vendor/ical.js/ical.js
+++ b/modules/default/calendar/vendor/ical.js/ical.js
@@ -90,7 +90,6 @@
     return dt
   }
 
-
   var dateParam = function(name){
     return function(val, params, curr){
 
@@ -143,6 +142,16 @@
     }
   }
 
+  var exdateParam = function(name){
+    return function(val, params, curr){
+      var date = dateParam(name)(val, params, curr);
+      if (date.exdates === undefined) {
+        date.exdates = [];
+      }
+      date.exdates.push(date.exdate);
+      return date;
+    }
+  }
 
   var geoParam = function(name){
     return function(val, params, curr){
@@ -240,6 +249,7 @@
       , 'LOCATION' : storeParam('location')
       , 'DTSTART' : dateParam('start')
       , 'DTEND' : dateParam('end')
+      , 'EXDATE' : exdateParam('exdate')
       ,' CLASS' : storeParam('class')
       , 'TRANSP' : storeParam('transparency')
       , 'GEO' : geoParam('geo')
diff --git a/modules/default/calendar/vendor/ical.js/node-ical.js b/modules/default/calendar/vendor/ical.js/node-ical.js
index e2c4a319..c954e722 100644
--- a/modules/default/calendar/vendor/ical.js/node-ical.js
+++ b/modules/default/calendar/vendor/ical.js/node-ical.js
@@ -18,6 +18,7 @@ exports.parseFile = function(filename){
 
 
 var rrule = require('rrule-alt').RRule
+var rrulestr = rrule.rrulestr
 
 ical.objectHandlers['RRULE'] = function(val, params, curr, stack, line){
   curr.rrule = line;
@@ -26,7 +27,7 @@ ical.objectHandlers['RRULE'] = function(val, params, curr, stack, line){
 var originalEnd = ical.objectHandlers['END'];
 ical.objectHandlers['END'] = function(val, params, curr, stack){
   if (curr.rrule) {
-    var rule = curr.rrule.replace('RRULE:', '');
+    var rule = curr.rrule;
     if (rule.indexOf('DTSTART') === -1) {
 
       if (curr.start.length === 8) {
@@ -36,10 +37,14 @@ ical.objectHandlers['END'] = function(val, params, curr, stack){
         }
       }
 
-      rule += ';DTSTART=' + curr.start.toISOString().replace(/[-:]/g, '');
+      rule += ' DTSTART:' + curr.start.toISOString().replace(/[-:]/g, '');
       rule = rule.replace(/\.[0-9]{3}/, '');
     }
-    curr.rrule = rrule.fromString(rule);
+    for (var i in curr.exdates) {
+      rule += ' EXDATE:' + curr.exdates[i].toISOString().replace(/[-:]/g, '');
+      rule = rule.replace(/\.[0-9]{3}/, '');
+    }
+    curr.rrule = rrulestr(rule);
   }
   return originalEnd.call(this, val, params, curr, stack);
 }