/// <summary>
/// Constructor
/// </summary>
public AppointmentSender()
: base()
{
AppointmentInfo = new VCalendar();
}
/// <summary>
/// Returns a list of the user's calendar items.
/// </summary>
/// <param name="UserName">User name used for logging in</param>
/// <param name="Password">Password for logging in</param>
/// <param name="Directory">User's directory</param>
/// <param name="StartDate">Date to start at</param>
/// <param name="EndDate">Date to end at</param>
/// <param name="Server">Server Name</param>
/// <returns>A list of the user's calendar items in VCalendar format, between two date ranges</returns>
public static List<VCalendar> GetCalendarItems(string UserName, string Password, string Server, string Directory, DateTime StartDate, DateTime EndDate)
{
List<VCalendar> ReturnArray = new List<VCalendar>();
string Uri = string.Format("http://{0}/exchange/{1}/calendar/", Server, Directory);
string Query = "<?xml version=\"1.0\"?>"
+ "<g:searchrequest xmlns:g=\"DAV:\">"
+ "<g:sql>SELECT \"urn:schemas:calendar:location\", \"urn:schemas:httpmail:subject\", "
+ "\"urn:schemas:httpmail:textdescription\", "
+ "\"urn:schemas:calendar:dtstart\", \"urn:schemas:calendar:dtend\", "
+ "\"urn:schemas:calendar:busystatus\", \"urn:schemas:calendar:instancetype\" "
+ "FROM Scope('SHALLOW TRAVERSAL OF \"" + Uri + "\"') "
+ "WHERE ((\"urn:schemas:calendar:dtstart\" >= '" + StartDate.ToString("yyyy/MM/dd hh:mm:ss") + "' "
+ "AND \"urn:schemas:calendar:dtstart\" <= '" + EndDate.ToString("yyyy/MM/dd hh:mm:ss") + "') "
+ "OR (\"urn:schemas:calendar:dtend\" >= '" + StartDate.ToString("yyyy/MM/dd hh:mm:ss") + "' "
+ "AND \"urn:schemas:calendar:dtstart\" <= '" + EndDate.ToString("yyyy/MM/dd hh:mm:ss") + "')) "
+ "AND \"DAV:contentclass\" = 'urn:content-classes:appointment' "
+ "AND NOT \"urn:schemas:calendar:instancetype\" = 1 "
+ "ORDER BY \"urn:schemas:calendar:dtstart\" ASC"
+ "</g:sql></g:searchrequest>";
byte[] Contents = System.Text.Encoding.UTF8.GetBytes(Query);
HttpWebRequest Request = HttpWebRequest.Create(Uri) as HttpWebRequest;
System.Net.CredentialCache MyCredentialCache = new System.Net.CredentialCache();
if (!string.IsNullOrEmpty(UserName) && !string.IsNullOrEmpty(Password))
{
MyCredentialCache.Add(new System.Uri(Uri),
"NTLM",
new System.Net.NetworkCredential(UserName, Password));
}
else
{
MyCredentialCache.Add(new System.Uri(Uri),
"Negotiate",
(System.Net.NetworkCredential)CredentialCache.DefaultCredentials);
}
Request.Credentials = MyCredentialCache;
Request.Method = "SEARCH";
Request.ContentLength = Contents.Length;
Request.ContentType = "text/xml";
using (System.IO.Stream RequestStream = Request.GetRequestStream())
{
RequestStream.Write(Contents, 0, Contents.Length);
using (HttpWebResponse Response = Request.GetResponse() as HttpWebResponse)
{
using (System.IO.Stream ResponseStream = Response.GetResponseStream())
{
XmlDocument Document = new XmlDocument();
Document.Load(ResponseStream);
foreach (XmlElement Element in Document.GetElementsByTagName("a:prop"))
{
VCalendar Cal = new VCalendar();
if (Element["e:textdescription"] != null)
{
Cal.Description = Element["e:textdescription"].InnerText;
}
if (Element["e:subject"] != null)
{
Cal.Subject = Element["e:subject"].InnerText;
}
if (Element["d:location"] != null)
{
Cal.Location = Element["d:location"].InnerText;
}
if (Element["d:dtstart"] != null)
{
Cal.StartTime = DateTime.Parse(Element["d:dtstart"].InnerText);
}
if (Element["d:dtend"] != null)
{
Cal.EndTime = DateTime.Parse(Element["d:dtend"].InnerText);
}
ReturnArray.Add(Cal);
}
}
}
}
return ReturnArray;
}
