From 6d4c9331ddd0fe1093b6dfd105f0b8de0a209530 Mon Sep 17 00:00:00 2001
From: Erik Broberg <Erik Broberg>
Date: Tue, 31 May 2016 19:37:17 -0400
Subject: [PATCH] Enable Time conversion to ISO8601 format

---
 include/openspace/util/time.h |  6 ++++++
 src/util/time.cpp             | 23 +++++++++++++++++++++++
 2 files changed, 29 insertions(+)

diff --git a/include/openspace/util/time.h b/include/openspace/util/time.h
index 992d2804e3..0dae7ac431 100644
--- a/include/openspace/util/time.h
+++ b/include/openspace/util/time.h
@@ -123,6 +123,12 @@ public:
      */
     std::string currentTimeUTC() const;
 
+    /**
+    * Returns the current time as a ISO 8601 formatted, i.e YYYY-MM-DDThh:mm:ssZ
+    * \return The current time as a ISO 8601 formatted string
+    */
+    std::string ISO8601() const;
+    
     /**
      * Sets the delta time value that is the number of seconds that should pass for each
      * real-time second. This value is used in the advanceTime(double) method to easily
diff --git a/src/util/time.cpp b/src/util/time.cpp
index a4aa96925f..a7cf79a806 100644
--- a/src/util/time.cpp
+++ b/src/util/time.cpp
@@ -99,6 +99,29 @@ std::string Time::currentTimeUTC() const {
     return SpiceManager::ref().dateFromEphemerisTime(_syncedTime);
 }
 
+std::string Time::ISO8601() const {
+    std::string datetime = currentTimeUTC();
+    std::string month = datetime.substr(5, 3);
+
+    std::string MM = "";
+    if (month == "JAN") MM = "01";
+    else if (month == "FEB") MM = "02";
+    else if (month == "MAR") MM = "03";
+    else if (month == "APR") MM = "04";
+    else if (month == "MAY") MM = "05";
+    else if (month == "JUN") MM = "06";
+    else if (month == "JUL") MM = "07";
+    else if (month == "AUG") MM = "08";
+    else if (month == "SEP") MM = "09";
+    else if (month == "OCT") MM = "10";
+    else if (month == "NOV") MM = "11";
+    else if (month == "DEC") MM = "12";
+    else ghoul_assert(false, "Bad month");
+
+    datetime.replace(4, 5, "-" + MM + "-");
+    return datetime;
+}
+
 void Time::serialize(SyncBuffer* syncBuffer) {
     _syncMutex.lock();