From 9f0d4d57d29e29d63fc3623c567a5d22c4eb86d9 Mon Sep 17 00:00:00 2001
From: Steve Brokenshire <sbrokenshire@xestia.co.uk>
Date: Sat, 23 Jan 2016 13:55:44 +0000
Subject: [PATCH] Added check for DTSTART in CalendarEventObject::ValidObject

---
 .../objects/calendarevent/CalendarEvent.cpp   | 31 +++++++++++++++++++
 1 file changed, 31 insertions(+)

diff --git a/source/objects/calendarevent/CalendarEvent.cpp b/source/objects/calendarevent/CalendarEvent.cpp
index ee003f9..720c7bd 100644
--- a/source/objects/calendarevent/CalendarEvent.cpp
+++ b/source/objects/calendarevent/CalendarEvent.cpp
@@ -8,6 +8,7 @@ CalendarObjectValidResult CalendarEventObject::ValidObject(){
 	bool ValidEnd = false;
 	bool ValidDateTimeStamp = false;
 	bool ValidUniqueID = false;
+	bool ValidDateTimeStart = false;
 	int SeekCount = 0;
 	string PropertyName;
 	
@@ -99,6 +100,35 @@ CalendarObjectValidResult CalendarEventObject::ValidObject(){
 	
 	SeekCount = 0;
 	
+	// Look for DTSTART.
+	
+	for (vector<string>::iterator iter = ObjectName.begin();
+		iter != ObjectName.end(); iter++){
+			
+		try{
+			PropertyName = ObjectName[SeekCount].substr(0,7);
+		}
+			
+		catch(const out_of_range& oor){
+			continue;
+		}
+		
+		if (PropertyName == "DTSTART"){
+			
+			if (ValidDateTimeStart == false){
+				ValidDateTimeStart = true;
+			} else {
+				return CALENDAROBJECTVALID_INVALIDFORMAT;
+			}
+				
+		}
+			
+		SeekCount++;
+			
+	}
+	
+	SeekCount = 0;
+	
 	// Look for END:VEVENT.
 	
 	for (vector<string>::iterator iter = ObjectName.begin();
@@ -124,6 +154,7 @@ CalendarObjectValidResult CalendarEventObject::ValidObject(){
 	if (ValidBegin == true && 
 		ValidEnd == true && 
 		ValidDateTimeStamp == true &&
+		ValidDateTimeStart == true &&
 		ValidUniqueID == true){
 		
 		return CALENDAROBJECTVALID_OK;
-- 
2.39.5