/// <summary>
/// Open a vCalendar or iCalendar file
/// </summary>
/// <param name="sender">The sender of the event</param>
/// <param name="e">The event arguments</param>
private void miOpen_Click(object sender, EventArgs e)
{
if (wasModified && MessageBox.Show("Do you want to discard your changes to the current calendar?",
"Discard Changes", MessageBoxButtons.YesNo, MessageBoxIcon.Question,
MessageBoxDefaultButton.Button2) == DialogResult.No)
{
return;
}
using (OpenFileDialog dlg = new OpenFileDialog())
{
dlg.Title = "Load Calendar File";
dlg.Filter = "ICS files (*.ics)|*.ics|VCS files (*.vcs)|*.vcs|All files (*.*)|*.*";
if (vCal.Version == SpecificationVersions.vCalendar10)
{
dlg.DefaultExt = "vcs";
dlg.FilterIndex = 2;
}
else
{
dlg.DefaultExt = "ics";
dlg.FilterIndex = 1;
}
dlg.InitialDirectory = Path.GetFullPath(Path.Combine(
Environment.CurrentDirectory, @"..\..\..\..\..\PDIFiles"));
if (dlg.ShowDialog() == DialogResult.OK)
{
try
{
this.Cursor = Cursors.WaitCursor;
// Parse the calendar information from the file and load the data grid with some basic
// information about the items in it.
vCal.Dispose();
vCal = VCalendarParser.ParseFromFile(dlg.FileName);
LoadComponentList();
// Find the first collection with items
if (vCal.Events.Count != 0)
{
cboComponents.SelectedIndex = 0;
}
else
if (vCal.ToDos.Count != 0)
{
cboComponents.SelectedIndex = 1;
}
else
if (vCal.Journals.Count != 0)
{
cboComponents.SelectedIndex = 2;
}
else
if (vCal.FreeBusys.Count != 0)
{
cboComponents.SelectedIndex = 3;
}
else
{
cboComponents.SelectedIndex = 0;
}
LoadGridWithItems(true);
lblFilename.Text = dlg.FileName;
}
catch (Exception ex)
{
string error = String.Format("Unable to load calendar:\n{0}", ex.Message);
if (ex.InnerException != null)
{
error += ex.InnerException.Message + "\n";
if (ex.InnerException.InnerException != null)
{
error += ex.InnerException.InnerException.Message;
}
}
System.Diagnostics.Debug.Write(ex);
MessageBox.Show(error, "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
finally
{
this.Cursor = Cursors.Default;
}
}
}
}
public void ToStringTest()
{
var calString = @"BEGIN:VCALENDAR
PRODID:-//Google Inc//Google Calendar 70.9054//EN
VERSION:2.0
CALSCALE:GREGORIAN
X-WR-CALNAME:[email protected]
X-WR-TIMEZONE:America/Los_Angeles
BEGIN:VTIMEZONE
TZID:America/Los_Angeles
X-LIC-LOCATION:America/Los_Angeles
BEGIN:DAYLIGHT
TZOFFSETFROM:-0800
TZOFFSETTO:-0700
TZNAME:PDT
DTSTART:19700308T020000
RRULE:FREQ=YEARLY;BYMONTH=3;BYDAY=2SU
END:DAYLIGHT
BEGIN:STANDARD
TZOFFSETFROM:-0700
TZOFFSETTO:-0800
TZNAME:PST
DTSTART:19701101T020000
RRULE:FREQ=YEARLY;BYMONTH=11;BYDAY=1SU
RDATE:19450603T010000
END:STANDARD
END:VTIMEZONE
BEGIN:VEVENT
DTSTART;TZID=America/Los_Angeles:20120629T130000
DTEND;TZID=America/Los_Angeles:20120629T140000
DTSTAMP:20120629T112428Z
UID:[email protected]
RRULE:FREQ=YEARLY;BYMONTH=11;BYDAY=1SU
CREATED:20120629T111935Z
DESCRIPTION:foo
LAST-MODIFIED:20120629T112428Z
LOCATION:Barcelona
SEQUENCE:0
STATUS:CONFIRMED
SUMMARY:Demo B2G Calendar
TRANSP:OPAQUE
BEGIN:VALARM
ACTION:EMAIL
DESCRIPTION:This is an event reminder
SUMMARY:Alarm notification
ATTENDEE:mailto:[email protected]
TRIGGER:-P0DT0H30M0S
END:VALARM
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:This is an event reminder
TRIGGER:-P0DT0H30M0S
END:VALARM
END:VEVENT
END:VCALENDAR
";
VCalendar calendar = VCalendar.Parse(calString);
var xmlDoc = @"<?xml version=""1.0"" encoding=""utf-8"" ?>
<C:calendar-query xmlns:D=""DAV:""
xmlns:C=""urn:ietf:params:xml:ns:caldav"">
<D:prop>
<D:getetag/>
<C:calendar-data>
<C:comp name=""VCALENDAR"">
<C:prop name=""VERSION""/>
<C:comp name=""VEVENT"">
<C:prop name=""SUMMARY""/>
<C:prop name=""UID""/>
<C:prop name=""DTSTART""/>
<C:prop name=""DTEND""/>
</C:comp>
<C:comp name=""VTIMEZONE""/>
</C:comp>
</C:calendar-data>
</D:prop>
<C:filter>
<C:comp-filter name=""VCALENDAR"">
<C:comp-filter name=""VEVENT"">
<C:time-range start=""20060104T000000Z""
end=""20060105T000000Z""/>
</C:comp-filter>
</C:comp-filter>
</C:filter>
</C:calendar-query>";
var xmlTree = XmlTreeStructure.Parse(xmlDoc);
var node = xmlTree.GetChildAtAnyLevel("calendar-data");
var newCalString = calendar.ToString(node);
var newCal = new VCalendar(newCalString);
Assert.Equal(2, newCal.CalendarComponents.Count);
Assert.Contains("VEVENT", newCal.CalendarComponents.Keys);
Assert.Contains("VTIMEZONE", newCal.CalendarComponents.Keys);
Assert.Equal(4, newCal.CalendarComponents["VEVENT"].First().Properties.Count);
}
public void BuildVCalendar()
{
var calString = @"BEGIN:VCALENDAR
PRODID:-//Google Inc//Google Calendar 70.9054//EN
VERSION:2.0
CALSCALE:GREGORIAN
X-WR-CALNAME:[email protected]
X-WR-TIMEZONE:America/Los_Angeles
BEGIN:VTIMEZONE
TZID:America/Los_Angeles
X-LIC-LOCATION:America/Los_Angeles
BEGIN:DAYLIGHT
TZOFFSETFROM:-0800
TZOFFSETTO:-0700
TZNAME:PDT
DTSTART:19700308T020000
RRULE:FREQ=YEARLY;BYDAY=2SU;BYMONTH=3
END:DAYLIGHT
BEGIN:STANDARD
TZOFFSETFROM:-0700
TZOFFSETTO:-0800
TZNAME:PST
DTSTART:19701101T020000
RRULE:FREQ=YEARLY;BYDAY=1SU;BYMONTH=11
END:STANDARD
END:VTIMEZONE
BEGIN:VEVENT
DTSTART;TZID=America/Los_Angeles:20120629T130000
DTEND;TZID=America/Los_Angeles:20120629T140000
DTSTAMP:20120629T112428Z
UID:[email protected]
RRULE:FREQ=YEARLY;INTERVAL=4;BYMONTH=11;BYDAY=TU;
BYMONTHDAY=2,3,4,5,6,7,8
RRULE:FREQ=YEARLY;INTERVAL=4;BYMONTH=11;BYDAY=TU;
BYMONTHDAY=2,3,4,5,6,7,8
CREATED:20120629T111935Z
DESCRIPTION:foo
LAST-MODIFIED:20120629T112428Z
LOCATION:Barcelona
SEQUENCE:0
STATUS:CONFIRMED
SUMMARY:Demo B2G Calendar
TRANSP:OPAQUE
BEGIN:VALARM
ACTION:EMAIL
DESCRIPTION:This is an event reminder
SUMMARY:Alarm notification
ATTENDEE:mailto:[email protected]
ATTENDEE:mailto:[email protected]
TRIGGER:-P0DT0H30M0S
END:VALARM
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:This is an event reminder
TRIGGER:-P0DT0H30M0S
END:VALARM
END:VEVENT
END:VCALENDAR
";
VCalendar calendar = VCalendar.Parse(calString);
var calendarString = calendar.ToString();
UnicodeEncoding uniencoding = new UnicodeEncoding();
UTF8Encoding utf8Encoding = new UTF8Encoding();
var toWrite = utf8Encoding.GetBytes(calendarString);
File.Delete("output1.ics");
using (var writer = File.OpenWrite("output1.ics"))
{
writer.Seek(0, SeekOrigin.End);
writer.Write(toWrite, 0, toWrite.Length);
}
using (var reader = File.OpenText("output1.ics"))
{
var writedCal = reader.ReadToEnd();
var writedCalLines = Parser.CalendarReader(writedCal);
var expectedLines = Parser.CalendarReader(calString);
Assert.Equal(expectedLines.Length, writedCalLines.Length);
for (int i = 0; i < writedCalLines.Length; i++)
{
Assert.Contains(expectedLines[i], writedCalLines);
}
}
Assert.NotNull(calendarString);
}
/// <summary>
/// The CALDAV:calendar-multiget REPORT is used to retrieve specific calendar object resources from within a
/// collection, if the Request-URI is a collection, or to retrieve a specific calendar object resource, if the
/// Request-URI is a calendar object resource. This report is similar to the CALDAV:calendar-query REPORT
/// (see Section 7.8), except that it takes a list of DAV:href elements, instead of a CALDAV:filter element, to
/// determine which calendar object resources to return
/// </summary>
/// <returns></returns>
private async Task CalendarMultiget(IXMLTreeStructure xmlBody, HttpContext httpContext)
{
// take the first prop node to know the data that
// should ne returned
IXMLTreeStructure propNode;
xmlBody.GetChildAtAnyLevel("prop", out propNode);
//take the href nodes. Contain the direction of the resources files that
//are requested
var hrefs = xmlBody.Children.Where(node => node.NodeName == "href").Select(href => href.Value);
var result = new Dictionary <string, string>();
// process the requested resources
foreach (var href in hrefs)
{
var fs = new FileSystemManagement();
var resourceContent = await fs.GetCalendarObjectResource(href);
result.Add(href, resourceContent);
}
await ReportResponseBuilder(result
.Select(
x =>
new KeyValuePair <string, VCalendar>(x.Key,
string.IsNullOrEmpty(x.Value) ? null : VCalendar.Parse(x.Value))), propNode, httpContext);
}
public void CheckProperties()
{
var calString = @"BEGIN:VCALENDAR
PRODID:-//Google Inc//Google Calendar 70.9054//EN
VERSION:2.0
CALSCALE:GREGORIAN
X-WR-CALNAME:[email protected]
X-WR-TIMEZONE:America/Los_Angeles
BEGIN:VTIMEZONE
TZID:America/Los_Angeles
X-LIC-LOCATION:America/Los_Angeles
BEGIN:DAYLIGHT
TZOFFSETFROM:-0800
TZOFFSETTO:-0700
TZNAME:PDT
DTSTART:19700308T020000
RRULE:FREQ=YEARLY;BYMONTH=3;BYDAY=2SU
END:DAYLIGHT
BEGIN:STANDARD
TZOFFSETFROM:-0700
TZOFFSETTO:-0800
TZNAME:PST
DTSTART:19701101T020000
RRULE:FREQ=YEARLY;BYMONTH=11;BYDAY=1SU
END:STANDARD
END:VTIMEZONE
BEGIN:VEVENT
DTSTART;TZID=America/Los_Angeles:20120629T130000
DTEND;TZID=America/Los_Angeles:20120629T140000
DTSTAMP:20120629T112428Z
UID:[email protected]
CREATED:20120629T111935Z
DESCRIPTION:foo
LAST-MODIFIED:20120629T112428Z
LOCATION:Barcelona
SEQUENCE:0
STATUS:CONFIRMED
SUMMARY:Demo B2G Calendar
TRANSP:OPAQUE
BEGIN:VALARM
ACTION:EMAIL
DESCRIPTION:This is an event reminder
SUMMARY:Alarm notification
ATTENDEE:mailto:[email protected]
TRIGGER:-P0DT0H30M0S
END:VALARM
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:This is an event reminder
TRIGGER:-P0DT0H30M0S
END:VALARM
END:VEVENT
END:VCALENDAR
";
VCalendar calendar = VCalendar.Parse(calString);
var calEvent = calendar.GetCalendarComponents("VEVENT").First() as VEvent;
var eventAlarms = calEvent.CalendarComponents["VALARM"];
Assert.Equal((calEvent.GetComponentProperty("UID") as IValue <string>).Value, "*****@*****.**");
Assert.Equal((calEvent.GetComponentProperty("DESCRIPTION") as IValue <string>).Value, "foo");
Assert.Equal(2, eventAlarms.Count);
}
public async Task <bool> PreconditionsOK(Dictionary <string, string> propertiesAndHeaders, HttpResponse response)
{
#region Extracting Properties
var url = propertiesAndHeaders["url"];
var contentSize = propertiesAndHeaders["content-length"];
var body = propertiesAndHeaders["body"];
VCalendar iCalendar;
try
{
iCalendar = new VCalendar(body); //lo que no estoy seguro que en el body solo haya el iCal string
}
catch (Exception)
{
response.StatusCode = (int)HttpStatusCode.BadRequest;
return(false);
}
#endregion
//check that resourceId don't exist but the collection does.
if (
!StorageManagement.ExistCalendarCollection(url.Remove(url.LastIndexOf("/", StringComparison.Ordinal) + 1)))
{
response.StatusCode = (int)HttpStatusCode.NotFound;
return(false);
}
//check that if the resource exist then all its components different of VTIMEZONE has to have the same UID
//if the resource not exist can not be another resource with the same uid.
if (!StorageManagement.ExistCalendarObjectResource(url))
{
var component = iCalendar.CalendarComponents.FirstOrDefault(comp => comp.Key != "VTIMEZONE").Value;
var uid = component.FirstOrDefault()?.Properties["UID"].StringValue;
// var resource = db.GetCalendarResource(userEmail, collectionName, calendarResourceId);
var collection =
_collectionRepository.Get(url.Remove(url.LastIndexOf("/", StringComparison.Ordinal) + 1));
foreach (var calendarresource in collection.CalendarResources)
{
if (uid == calendarresource.Uid)
{
response.StatusCode = (int)HttpStatusCode.Conflict;
response.Body.Write(
$@"<?xml version='1.0' encoding='UTF-8'?>
<error xmlns='DAV:'>
<no-uid-conflict xmlns='urn:ietf:params:xml:ns:caldav'>
<href xmlns='DAV:'>{
SystemProperties._baseUrl + calendarresource
.Href}</href>
</no-uid-conflict>
</error>");
return(false);
}
}
}
else
{
//If the resource exist the procedure is update and for that the uid has to be the same.
var components = iCalendar.CalendarComponents.FirstOrDefault(comp => comp.Key != "VTIMEZONE").Value;
var calendarComponent = components.FirstOrDefault();
if (calendarComponent != null)
{
var uid = calendarComponent.Properties["UID"].StringValue;
var resource = _resourceRespository.Get(url);
if (resource.Uid != null && resource.Uid != uid)
{
response.StatusCode = (int)HttpStatusCode.Conflict;
response.Body.Write(
$@"<?xml version='1.0' encoding='UTF-8'?>
<error xmlns='DAV:'>
<no-uid-conflict xmlns='urn:ietf:params:xml:ns:caldav'>
<href xmlns='DAV:'>{
SystemProperties._baseUrl + resource
.Href}</href>
</no-uid-conflict>
</error>");
return(false);
}
}
}
if (propertiesAndHeaders.ContainsKey("If-Match"))
{
//check that the value do exist
if (!StorageManagement.ExistCalendarObjectResource(url))
{
response.StatusCode = (int)HttpStatusCode.PreconditionFailed;
return(false);
}
}
if (propertiesAndHeaders.ContainsKey("If-None-Match"))
{
//check that the value do not exist
if (StorageManagement.ExistCalendarObjectResource(url))
{
response.StatusCode = (int)HttpStatusCode.PreconditionFailed;
return(false);
}
}
//it does not contain more than two calendar components
//and if it has 2, one must be VTIMEZONE
if (iCalendar.CalendarComponents.Count > 2)
{
if (!iCalendar.CalendarComponents.ContainsKey("VTIMEZONE"))
{
response.StatusCode = (int)HttpStatusCode.Conflict;
response.Body.Write(@"<?xml version='1.0' encoding='UTF-8'?>
<error xmlns='DAV:'>
<valid-calendar-object-resource xmlns='urn:ietf:params:xml:ns:caldav'></valid-calendar-object-resource>
<error-description xmlns='http://twistedmatrix.com/xml_namespace/dav/'>
VTimezone Calendar Component Must be present.
</error-description>
</error>");
return(false);
}
var calendarComponents =
iCalendar.CalendarComponents.FirstOrDefault(comp => comp.Key != "VTIMEZONE").Value;
//A Calendar Component can be separated in multiples calendar components but all MUST
//have the same UID.
var calendarComponent = calendarComponents.FirstOrDefault();
if (calendarComponent != null)
{
var uid = calendarComponent.Properties["UID"].StringValue;
foreach (var component in calendarComponents)
{
var uidComp = component.Properties["UID"].StringValue;
if (uid != uidComp)
{
response.StatusCode = (int)HttpStatusCode.Conflict;
response.Body.Write(@"<?xml version='1.0' encoding='UTF-8'?>
<error xmlns='DAV:'>
<valid-calendar-object-resource xmlns='urn:ietf:params:xml:ns:caldav'></valid-calendar-object-resource>
<error-description xmlns='http://twistedmatrix.com/xml_namespace/dav/'>
If the count of calendar components execeds 2 including VTimezone the rest must have the same Uid and the same type.
</error-description>
</error>");
return(false);
}
}
}
// response.StatusCode = (int)HttpStatusCode.Conflict;
// response.Body.Write(@"<?xml version='1.0' encoding='UTF-8'?>
//<error xmlns='DAV:'>
//<valid-calendar-object-resource xmlns='urn:ietf:params:xml:ns:caldav'></valid-calendar-object-resource>
//<error-description xmlns='http://twistedmatrix.com/xml_namespace/dav/'>
//Wrong amount of calendar components
//</error-description>
//</error>");
// return false;
}
//precondition responsible of check that an VTIMEZONE is obligatory
if (iCalendar.CalendarComponents.Count == 2)
{
if (!iCalendar.CalendarComponents.ContainsKey("VTIMEZONE"))
{
response.StatusCode = (int)HttpStatusCode.Conflict;
response.Body.Write(@"<?xml version='1.0' encoding='UTF-8'?>
<error xmlns='DAV:'>
<valid-calendar-object-resource xmlns='urn:ietf:params:xml:ns:caldav'></valid-calendar-object-resource>
<error-description xmlns='http://twistedmatrix.com/xml_namespace/dav/'>
VTimezone Calendar Component Must be present.
</error-description>
</error>");
return(false);
}
}
//var uidCalendar = ((ComponentProperty<string>)iCalendar.Properties["UID"]).Value;
////Check that if the operation is create there is not another element in the collection with the same UID
//if (!StorageManagement.ExistCalendarObjectResource(calendarResourceId))
//{
// using (db)
// {
// if ((from calendarResource in db.CalendarResources
// where calendarResource.Uid == uidCalendar
// select calendarResource).Count() > 0)
// return false;
// }
//}
////Check if the operation is update the element to be updated must have the same UID.
//else
//{
// using (db)
// {
// if ((from calendarResource in db.CalendarResources
// where calendarResource.Uid == uidCalendar
// select calendarResource).Count() == 0)
// return false;
// }
//}
var methodProp = iCalendar.GetComponentProperties("METHOD");
//iCalendar object MUST NOT implement METHOD property
if (!string.IsNullOrEmpty(methodProp?.StringValue))
{
response.StatusCode = (int)HttpStatusCode.Conflict;
response.Body.Write(@"<?xml version='1.0' encoding='UTF-8'?>
<error xmlns='DAV:'>
<valid-calendar-object-resource xmlns='urn:ietf:params:xml:ns:caldav'></valid-calendar-object-resource>
<error-description xmlns='http://twistedmatrix.com/xml_namespace/dav/'>
Method prop must not be present
</error-description>
</error>");
return(false);
}
//This precondition is the one in charge of check that the size of the body of the resource
//included in the request dont exceeds the max-resource-size property of the colletion.
int contentSizeInt;
//for that i need that the controller has as request header content-size available
if (!string.IsNullOrEmpty(contentSize) && int.TryParse(contentSize, out contentSizeInt))
{
var collection =
_collectionRepository.Get(url.Remove(url.LastIndexOf("/", StringComparison.Ordinal) + 1));
//here the max-resource-property of the collection is called.
var maxSize =
collection.Properties.FirstOrDefault(
p => p.Name == "max-resource-size" && p.Namespace == "urn:ietf:params:xml:ns:caldav");
int maxSizeInt;
if (int.TryParse(XmlTreeStructure.Parse(maxSize?.Value).Value, out maxSizeInt) &&
contentSizeInt > maxSizeInt)
{
response.StatusCode = (int)HttpStatusCode.Conflict;
response.Body.Write(@"<?xml version='1.0' encoding='UTF-8'?>
<error xmlns='DAV:'>
<max-resource-size xmlns='urn:ietf:params:xml:ns:caldav'></max-resource-size>
<error-description xmlns='http://twistedmatrix.com/xml_namespace/dav/'>
Content size exceeds max size allowed.
</error-description>
</error>");
return(false);
}
}
//TODO: Checking that all DateTime values are less-equal than
//the max-date-time
//TODO: Checking that all DateTime values are grater-equal than
//the min-date-time
//TODO: Checking that the number of recurring instances is less-equal
//than the max-instances property value.
return(await Task.FromResult(true));
}
public static bool CalendarWriter(TextWriter writer, VCalendar calendar)
{
return(false);
}
/// <summary>
/// This method is used to return all recurring instances between the two specified date/times based on
/// the current settings.
/// </summary>
/// <param name="fromDate">The minimum date/time on or after which instances should occur. This will
/// include an instance if it starts before the date/time but overlaps it when its duration is added to
/// its start time.</param>
/// <param name="toDate">The maximum date/time on or before which instances should occur. This will
/// include an instance if it starts on or before the specified date/time regardless of its duration.</param>
/// <param name="inLocalTime">If true, the date/time parameters are assumed to be in local time and the
/// returned date/times are expressed in local time. If false, the date/time parameters are assumed to
/// be in the time zone of the object and the returned date/times are expressed in the time zone of the
/// object as specified by the <see cref="TimeZoneId"/> property. If no time zone ID has been specified
/// or it cannot be found, local time is used.</param>
/// <returns>Returns a <see cref="DateTimeInstanceCollection"/> containing <see cref="DateTimeInstance" />
/// objects that represent all instances found between the two specified date/times. Instances may have
/// a different duration if created from an <c>RDATE</c> property.</returns>
/// <exception cref="ArgumentException">This is thrown if a start date has not been specified (it equals
/// <c>DateTime.MinValue</c>) or the duration is negative.</exception>
/// <seealso cref="AllInstances"/>
/// <seealso cref="OccursOn"/>
public DateTimeInstanceCollection InstancesBetween(DateTime fromDate, DateTime toDate, bool inLocalTime)
{
DateTimeCollection recurDates;
Period p;
DateTime endDate, tempDate1 = DateTime.MaxValue, tempDate2;
int idx, count;
string timeZoneID = this.TimeZoneId;
PeriodCollection periods = new PeriodCollection();
DateTime startDate = this.StartDateTime.TimeZoneDateTime;
Duration dur = this.InstanceDuration;
if (startDate == DateTime.MinValue)
{
throw new ArgumentException(LR.GetString("ExNoComponentStartDate"));
}
if (dur.Ticks < 0)
{
throw new ArgumentException(LR.GetString("ExRONegativeDuration"));
}
// Convert fromDate and toDate to time zone time if inLocalTime is true. Recurrences are always
// resolved in the time of the object.
if (inLocalTime && timeZoneID != null)
{
fromDate = VCalendar.LocalTimeToTimeZoneTime(fromDate, timeZoneID).StartDateTime;
toDate = VCalendar.LocalTimeToTimeZoneTime(toDate, timeZoneID).StartDateTime;
}
// There might be instances that overlap the requested range so we'll adjust the From date/time by
// the duration to catch them.
if (dur.Ticks > 1)
{
fromDate = fromDate.Add(new TimeSpan(0 - dur.Ticks + 1));
}
// As per the spec, the start date/time is always included in the set but only if it (or it's
// duration) is within the requested range. However, if it is recurring and the custom Exclude Start
// property is set to true, it is not added.
p = new Period(startDate, dur);
if (((p.StartDateTime >= fromDate && p.StartDateTime <= toDate) || (p.EndDateTime >= fromDate &&
p.EndDateTime <= toDate)) && (!this.IsRecurring || !this.ExcludeStartDateTime))
{
periods.Add(p);
}
// If it isn't recurring or starts after the requested end date, just return the collection as it is
if (this.IsRecurring && startDate <= toDate)
{
// Expand each recurrence rule
foreach (RRuleProperty rr in this.RecurrenceRules)
{
// If used, RecurUntil is stored in Universal Time which is converted to local time. If a
// time zone ID is specified, convert it to that time zone temporarily to make sure things
// are calculated correctly.
if (rr.Recurrence.MaximumOccurrences == 0 && timeZoneID != null)
{
tempDate1 = rr.Recurrence.RecurUntil;
rr.Recurrence.RecurUntil = VCalendar.LocalTimeToTimeZoneTime(tempDate1, timeZoneID).StartDateTime;
}
rr.Recurrence.StartDateTime = startDate;
recurDates = rr.Recurrence.InstancesBetween(fromDate, toDate);
if (rr.Recurrence.MaximumOccurrences == 0 && timeZoneID != null)
{
rr.Recurrence.RecurUntil = tempDate1;
}
foreach (DateTime dt in recurDates)
{
periods.Add(new Period(dt, dur));
}
}
// Add on recurrence dates within the range
foreach (RDateProperty rd in this.RecurDates)
{
if (rd.ValueLocation != ValLocValue.Period)
{
// If it's not a period, use the component's duration. If it's only a date, assume it's
// the whole day. The spec is not clear on this so I'm making a best guess.
if (rd.ValueLocation == ValLocValue.DateTime)
{
endDate = rd.TimeZoneDateTime.Add(dur.TimeSpan);
}
else
{
endDate = rd.TimeZoneDateTime.Add(new TimeSpan(TimeSpan.TicksPerDay));
}
if ((rd.TimeZoneDateTime >= fromDate && rd.TimeZoneDateTime <= toDate) ||
(endDate >= fromDate && endDate <= toDate))
{
periods.Add(new Period(rd.TimeZoneDateTime, endDate));
}
}
else
{
// As with Recurrence.RecurUntil, the period values are in Universal Time so convert them
// to the time zone time for proper comparison.
tempDate1 = rd.PeriodValue.StartDateTime;
tempDate2 = rd.PeriodValue.EndDateTime;
if (timeZoneID != null)
{
tempDate1 = VCalendar.LocalTimeToTimeZoneTime(tempDate1, timeZoneID).StartDateTime;
}
if (timeZoneID != null)
{
tempDate2 = VCalendar.LocalTimeToTimeZoneTime(tempDate2, timeZoneID).StartDateTime;
}
if ((tempDate1 >= fromDate && tempDate1 <= toDate) ||
(tempDate2 >= fromDate && tempDate2 <= toDate))
{
periods.Add(new Period(tempDate1, tempDate2));
}
}
}
// Expand exception rules and filter out those instances
count = periods.Count;
foreach (RRuleProperty er in this.ExceptionRules)
{
// Same as above
if (er.Recurrence.MaximumOccurrences == 0 && timeZoneID != null)
{
tempDate1 = er.Recurrence.RecurUntil;
er.Recurrence.RecurUntil = VCalendar.LocalTimeToTimeZoneTime(tempDate1, timeZoneID).StartDateTime;
}
er.Recurrence.StartDateTime = startDate;
recurDates = er.Recurrence.InstancesBetween(fromDate, toDate);
if (er.Recurrence.MaximumOccurrences == 0 && timeZoneID != null)
{
er.Recurrence.RecurUntil = tempDate1;
}
foreach (DateTime dt in recurDates)
{
for (idx = 0; idx < count; idx++)
{
if (periods[idx].StartDateTime == dt)
{
periods.RemoveAt(idx);
idx--;
count--;
}
}
}
}
// Filter out any exception dates
foreach (ExDateProperty ed in this.ExceptionDates)
{
DateTime dt = ed.TimeZoneDateTime;
// If it's only a date, assume it's the whole day and remove all instances on that day
// regardless of the time. The spec is not clear on this so I'm making a best guess.
if (ed.ValueLocation == ValLocValue.DateTime)
{
if (dt >= fromDate && dt <= toDate)
{
for (idx = 0; idx < count; idx++)
{
if (periods[idx].StartDateTime == dt)
{
periods.RemoveAt(idx);
idx--;
count--;
}
}
}
}
else
if (dt >= fromDate.Date && dt <= toDate.Date)
{
for (idx = 0; idx < count; idx++)
{
if (periods[idx].StartDateTime.Date == dt)
{
periods.RemoveAt(idx);
idx--;
count--;
}
}
}
}
// Sort the periods and remove duplicates
periods.Sort(true);
for (idx = 1; idx < count; idx++)
{
if (periods[idx] == periods[idx - 1])
{
periods.RemoveAt(idx);
idx--;
count--;
}
}
}
// Now convert the periods to DateTimeInstances that include the necessary time zone information
DateTimeInstanceCollection dtic = new DateTimeInstanceCollection();
DateTimeInstance dti, dtiEnd;
// Always in local time if there is no time zone ID
if (timeZoneID == null)
{
inLocalTime = true;
}
foreach (Period pd in periods)
{
if (inLocalTime)
{
dti = VCalendar.TimeZoneTimeToLocalTime(pd.StartDateTime, timeZoneID);
dtiEnd = VCalendar.TimeZoneTimeToLocalTime(pd.EndDateTime, timeZoneID);
}
else
{
dti = VCalendar.TimeZoneTimeInfo(pd.StartDateTime, timeZoneID);
dtiEnd = VCalendar.TimeZoneTimeInfo(pd.EndDateTime, timeZoneID);
}
dti.Duration = pd.Duration;
dti.EndDateTime = dtiEnd.EndDateTime;
dti.EndIsDaylightSavingTime = dtiEnd.EndIsDaylightSavingTime;
dti.EndTimeZoneName = dtiEnd.EndTimeZoneName;
// If it already contains the entry and it is in DST, bump it forward an hour to account for the
// time adjustment. This will happen on hourly, minutely, and secondly recurrence patterns. By
// moving duplicates forward an hour, we retain the expected number of occurrences.
if (!dtic.Contains(dti))
{
dtic.Add(dti);
}
else
if (dti.StartIsDaylightSavingTime)
{
dti.StartDateTime = dti.StartDateTime.AddHours(1);
dti.EndDateTime = dti.EndDateTime.AddHours(1);
dtic.Add(dti);
}
}
return(dtic); // And finally, we are done
}
/// <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);
}
public void TestTheToStringMethod()
{
var vCalString = @"BEGIN:VCALENDAR
VERSION:2.0
PRODID:+//IDN bitfire.at//DAVdroid/1.0.8 ical4android ical4j/2.x
BEGIN:VEVENT
DTSTAMP:20160907T213117Z
UID:1d2a9f2f-40d0-4733-b81b-1ea15d79ee21
DTSTART;TZID=America/Havana:20160905T080000
DURATION:PT5700S
RRULE:FREQ=WEEKLY;WKST=SU;COUNT=16;BYDAY=MO
SUMMARY:Programación y algoritmos CF
LOCATION:Aula 8
STATUS:CONFIRMED
END:VEVENT
BEGIN:VTIMEZONE
TZID:America/Havana
TZURL:http://tzurl.org/zoneinfo/America/Havana
X-LIC-LOCATION:America/Havana
BEGIN:DAYLIGHT
TZOFFSETFROM:-0500
TZOFFSETTO:-0400
TZNAME:CDT
DTSTART:19280610T010000
RDATE:19280610T010000
RDATE:19400602T010000
RDATE:19410601T010000
RDATE:19420607T010000
RDATE:19450603T010000
RDATE:19460602T010000
RDATE:19650601T010000
RDATE:19660529T010000
RDATE:19670408T010000
RDATE:19680414T010000
RDATE:19690427T010000
RDATE:19700426T000000
RDATE:19710425T000000
RDATE:19720430T000000
RDATE:19730429T000000
RDATE:19740428T000000
RDATE:19750427T000000
RDATE:19760425T000000
RDATE:19770424T000000
RDATE:19780507T000000
RDATE:19790318T000000
RDATE:19800316T000000
RDATE:19810510T000000
RDATE:19820509T000000
RDATE:19830508T000000
RDATE:19840506T000000
RDATE:19850505T000000
RDATE:19860316T000000
RDATE:19870315T000000
RDATE:19880320T000000
RDATE:19890319T000000
RDATE:19900401T000000
RDATE:19910407T000000
RDATE:19920405T000000
RDATE:19930404T000000
RDATE:19940403T000000
RDATE:19950402T000000
RDATE:19960407T000000
RDATE:19970406T000000
RDATE:19980329T000000
RDATE:19990328T000000
RDATE:20000402T000000
RDATE:20010401T000000
RDATE:20020407T000000
RDATE:20030406T000000
RDATE:20040328T000000
RDATE:20070311T000000
RDATE:20080316T000000
RDATE:20090308T000000
RDATE:20100314T000000
RDATE:20110320T000000
RDATE:20120401T000000
END:DAYLIGHT
BEGIN:STANDARD
TZOFFSETFROM:-0400
TZOFFSETTO:-0500
TZNAME:CST
DTSTART:19281010T000000
RDATE:19281010T000000
RDATE:19400901T000000
RDATE:19410907T000000
RDATE:19420906T000000
RDATE:19450902T000000
RDATE:19460901T000000
RDATE:19650930T000000
RDATE:19661002T000000
RDATE:19670910T000000
RDATE:19680908T000000
RDATE:19691026T000000
RDATE:19701025T000000
RDATE:19711031T000000
RDATE:19721008T000000
RDATE:19731008T000000
RDATE:19741008T000000
RDATE:19751026T000000
RDATE:19761031T000000
RDATE:19771030T000000
RDATE:19781008T000000
RDATE:19791014T000000
RDATE:19801012T000000
RDATE:19811011T000000
RDATE:19821010T000000
RDATE:19831009T000000
RDATE:19841014T000000
RDATE:19851013T000000
RDATE:19861012T000000
RDATE:19871011T000000
RDATE:19881009T000000
RDATE:19891008T000000
RDATE:19901014T000000
RDATE:19911013T010000
RDATE:19921011T010000
RDATE:19931010T010000
RDATE:19941009T010000
RDATE:19951008T010000
RDATE:19961006T010000
RDATE:19971012T010000
RDATE:19981025T010000
RDATE:19991031T010000
RDATE:20001029T010000
RDATE:20011028T010000
RDATE:20021027T010000
RDATE:20031026T010000
RDATE:20061029T010000
RDATE:20071028T010000
RDATE:20081026T010000
RDATE:20091025T010000
RDATE:20101031T010000
RDATE:20111113T010000
END:STANDARD
END:VTIMEZONE
END:VCALENDAR
";
var vCal = VCalendar.Parse(vCalString);
var stringFromVCal = vCal.ToString();
var vCalFromString = VCalendar.Parse(stringFromVCal);
//check the vCalendar's properties
Assert.True(checkProperties(vCal.Properties, vCalFromString.Properties));
//check the calendar components
foreach (var calComp in vCal.CalendarComponents)
{
Assert.Contains(calComp.Key, vCalFromString.CalendarComponents.Keys);
Assert.Equal(calComp.Value.Count, vCalFromString.CalendarComponents[calComp.Key].Count);
Assert.True(checkProperties(calComp.Value.First().Properties, vCalFromString.CalendarComponents[calComp.Key].First().Properties));
}
}
public void UnitTest3()
{
var calStr = @"BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//Example Corp.//CalDAV Client//EN
BEGIN:VTIMEZONE
LAST-MODIFIED:20040110T032845Z
TZID:US/Eastern
BEGIN:DAYLIGHT
DTSTART:20000404T020000
RRULE:FREQ=YEARLY;BYDAY=1SU;BYMONTH=4
TZNAME:EDT
TZOFFSETFROM:-0500
TZOFFSETTO:-0400
END:DAYLIGHT
BEGIN:STANDARD
DTSTART:20001026T020000
RRULE:FREQ=YEARLY;BYDAY=-1SU;BYMONTH=10
TZNAME:EST
TZOFFSETFROM:-0400
TZOFFSETTO:-0500
END:STANDARD
END:VTIMEZONE
BEGIN:VEVENT
ATTENDEE;PARTSTAT=ACCEPTED;ROLE=CHAIR:mailto:[email protected]
ATTENDEE;PARTSTAT=NEEDS-ACTION:mailto:[email protected]
DTSTAMP:20060206T001220Z
DTSTART;TZID=US/Eastern:20060104T100000
DURATION:PT1H
RRULE:FREQ=YEARLY;BYDAY=-1SU;BYMONTH=10
LAST-MODIFIED:20060206T001330Z
ORGANIZER:mailto:[email protected]
SEQUENCE:1
STATUS:TENTATIVE
SUMMARY:Event #3
UID:[email protected]
X-ABC-GUID:[email protected]
END:VEVENT
END:VCALENDAR";
var result = VCalendar.Parse(calStr);
var xmlStr = @"
<C:calendar-data xmlns:C=""urn:ietf:params:xml:ns:caldav"">
<C:comp name=""VCALENDAR"">
<C:prop name=""VERSION""/>
<C:comp name=""VEVENT"">
<C:prop name=""SUMMARY""/>
<C:prop name=""UID""/>
<C:prop name=""DTSTART""/>
<C:prop name=""DTEND""/>
<C:prop name=""DURATION""/>
<C:prop name=""RRULE""/>
<C:prop name=""ATTENDEE""/>
<C:prop name=""EXRULE""/>
<C:prop name=""EXDATE""/>
<C:prop name=""RECURRENCE-ID""/>
</C:comp>
<C:comp name=""VTIMEZONE""/>
</C:comp>
</C:calendar-data>";
var calString = result.ToString(XmlTreeStructure.Parse(xmlStr));
}
public void TestNullReferenceOnDurationProp()
{
var vCalString = @"BEGIN:VCALENDAR
VERSION:2.0
PRODID:+//IDN bitfire.at//DAVdroid/1.0.8 ical4android ical4j/2.x
BEGIN:VEVENT
DTSTAMP:20160907T213117Z
UID:1d2a9f2f-40d0-4733-b81b-1ea15d79ee21
DTSTART;TZID=America/Havana:20160905T080000
DURATION:PT5700S
RRULE:FREQ=WEEKLY;WKST=SU;COUNT=16;BYDAY=MO
SUMMARY:Programación y algoritmos CF
LOCATION:Aula 8
STATUS:CONFIRMED
END:VEVENT
BEGIN:VTIMEZONE
TZID:America/Havana
TZURL:http://tzurl.org/zoneinfo/America/Havana
X-LIC-LOCATION:America/Havana
BEGIN:STANDARD
TZOFFSETFROM:-0400
TZOFFSETTO:-0500
TZNAME:CST
DTSTART:20121104T010000
RRULE:FREQ=YEARLY;BYMONTH=11;BYDAY=1SU
END:STANDARD
BEGIN:DAYLIGHT
TZOFFSETFROM:-0500
TZOFFSETTO:-0400
TZNAME:CDT
DTSTART:20130310T000000
RRULE:FREQ=YEARLY;BYMONTH=3;BYDAY=2SU
END:DAYLIGHT
BEGIN:STANDARD
TZOFFSETFROM:-052928
TZOFFSETTO:-052936
TZNAME:HMT
DTSTART:18900101T000000
RDATE:18900101T000000
END:STANDARD
BEGIN:STANDARD
TZOFFSETFROM:-052936
TZOFFSETTO:-0500
TZNAME:CST
DTSTART:19250719T120000
RDATE:19250719T120000
END:STANDARD
BEGIN:DAYLIGHT
TZOFFSETFROM:-0500
TZOFFSETTO:-0400
TZNAME:CDT
DTSTART:19280610T010000
RDATE:19280610T010000
RDATE:19400602T010000
RDATE:19410601T010000
RDATE:19420607T010000
RDATE:19450603T010000
RDATE:19460602T010000
RDATE:19650601T010000
RDATE:19660529T010000
RDATE:19670408T010000
RDATE:19680414T010000
RDATE:19690427T010000
RDATE:19700426T000000
RDATE:19710425T000000
RDATE:19720430T000000
RDATE:19730429T000000
RDATE:19740428T000000
RDATE:19750427T000000
RDATE:19760425T000000
RDATE:19770424T000000
RDATE:19780507T000000
RDATE:19790318T000000
RDATE:19800316T000000
RDATE:19810510T000000
RDATE:19820509T000000
RDATE:19830508T000000
RDATE:19840506T000000
RDATE:19850505T000000
RDATE:19860316T000000
RDATE:19870315T000000
RDATE:19880320T000000
RDATE:19890319T000000
RDATE:19900401T000000
RDATE:19910407T000000
RDATE:19920405T000000
RDATE:19930404T000000
RDATE:19940403T000000
RDATE:19950402T000000
RDATE:19960407T000000
RDATE:19970406T000000
RDATE:19980329T000000
RDATE:19990328T000000
RDATE:20000402T000000
RDATE:20010401T000000
RDATE:20020407T000000
RDATE:20030406T000000
RDATE:20040328T000000
RDATE:20070311T000000
RDATE:20080316T000000
RDATE:20090308T000000
RDATE:20100314T000000
RDATE:20110320T000000
RDATE:20120401T000000
END:DAYLIGHT
BEGIN:STANDARD
TZOFFSETFROM:-0400
TZOFFSETTO:-0500
TZNAME:CST
DTSTART:19281010T000000
RDATE:19281010T000000
RDATE:19400901T000000
RDATE:19410907T000000
RDATE:19420906T000000
RDATE:19450902T000000
RDATE:19460901T000000
RDATE:19650930T000000
RDATE:19661002T000000
RDATE:19670910T000000
RDATE:19680908T000000
RDATE:19691026T000000
RDATE:19701025T000000
RDATE:19711031T000000
RDATE:19721008T000000
RDATE:19731008T000000
RDATE:19741008T000000
RDATE:19751026T000000
RDATE:19761031T000000
RDATE:19771030T000000
RDATE:19781008T000000
RDATE:19791014T000000
RDATE:19801012T000000
RDATE:19811011T000000
RDATE:19821010T000000
RDATE:19831009T000000
RDATE:19841014T000000
RDATE:19851013T000000
RDATE:19861012T000000
RDATE:19871011T000000
RDATE:19881009T000000
RDATE:19891008T000000
RDATE:19901014T000000
RDATE:19911013T010000
RDATE:19921011T010000
RDATE:19931010T010000
RDATE:19941009T010000
RDATE:19951008T010000
RDATE:19961006T010000
RDATE:19971012T010000
RDATE:19981025T010000
RDATE:19991031T010000
RDATE:20001029T010000
RDATE:20011028T010000
RDATE:20021027T010000
RDATE:20031026T010000
RDATE:20061029T010000
RDATE:20071028T010000
RDATE:20081026T010000
RDATE:20091025T010000
RDATE:20101031T010000
RDATE:20111113T010000
END:STANDARD
END:VTIMEZONE
END:VCALENDAR
";
var vCal = VCalendar.Parse(vCalString);
var stringFromVCal = vCal.ToString();
Assert.NotNull(stringFromVCal);
}
/// <summary>
/// Constructor
/// </summary>
public AppointmentSender()
: base()
{
AppointmentInfo = new VCalendar();
}
/// <summary>
/// Save changes and return to the calendar browser
/// </summary>
/// <param name="sender">The sender of the event</param>
/// <param name="e">The event arguments</param>
protected void btnSave_Click(object sender, EventArgs e)
{
DateTime startDate = DateTime.MinValue, endDate = DateTime.MinValue;
Duration dur = Duration.Zero;
if (!Page.IsValid)
{
return;
}
lblMsg.Text = null;
// Perform some edits
if (txtStartDate.Text.Trim().Length != 0 && !DateTime.TryParse(txtStartDate.Text,
CultureInfo.CurrentCulture, DateTimeStyles.None, out startDate))
{
lblMsg.Text = "Invalid start date format<br>";
}
if (txtEndDate.Text.Trim().Length != 0 && !DateTime.TryParse(txtEndDate.Text,
CultureInfo.CurrentCulture, DateTimeStyles.None, out endDate))
{
lblMsg.Text += "Invalid end date format<br>";
}
if (txtDuration.Text.Trim().Length != 0 && !Duration.TryParse(txtDuration.Text, out dur))
{
lblMsg.Text += "Invalid duration format<br>";
}
if (startDate != DateTime.MinValue && endDate != DateTime.MinValue && startDate > endDate)
{
lblMsg.Text += "Start date must be less than or equal to end date<br>";
}
if (!String.IsNullOrWhiteSpace(lblMsg.Text))
{
return;
}
VCalendar cal = (VCalendar)Session["VCalendar"];
// Not very friendly, but it's just a demo
if (cal == null)
{
Response.Redirect("CalendarBrowser.aspx");
return;
}
VFreeBusy fb = cal.FreeBusys[(int)this.ViewState["FreeBusyIndex"]];
// The unique ID is not changed
fb.Organizer.Value = txtOrganizer.Text;
fb.Contact.Value = txtContact.Text;
// We'll use the TimeZoneDateTime property on all date/time values so that they are set literally
// rather than being converted to the time zone as would happen with the DateTimeValue property.
fb.StartDateTime.TimeZoneDateTime = startDate;
fb.StartDateTime.ValueLocation = ValLocValue.DateTime;
fb.EndDateTime.TimeZoneDateTime = endDate;
fb.StartDateTime.ValueLocation = ValLocValue.DateTime;
fb.Duration.DurationValue = dur;
fb.Url.Value = txtUrl.Text;
fb.Comment.Value = txtComments.Text;
Response.Redirect("CalendarBrowser.aspx");
}
/// <summary>
/// This is used to custom draw the start date/time and summary columns based on the information
/// available.
/// </summary>
/// <param name="sender">The sender of the event</param>
/// <param name="e">The event arguments</param>
private void dgvCalendar_CellPainting(object sender, DataGridViewCellPaintingEventArgs e)
{
CurrencyManager cm;
StartDateProperty startProp;
SummaryProperty summaryProp;
DescriptionProperty descProp;
DateTimeInstance dti;
Color foreColor;
object item;
string columnText = null;
if (e.RowIndex > -1 && (e.ColumnIndex == 0 || e.ColumnIndex == 1))
{
cm = (CurrencyManager)dgvCalendar.BindingContext[dgvCalendar.DataSource];
item = cm.List[e.RowIndex];
if (e.ColumnIndex == 0)
{
if (item is VEvent)
{
startProp = ((VEvent)item).StartDateTime;
}
else
if (item is VToDo)
{
startProp = ((VToDo)item).StartDateTime;
}
else
if (item is VJournal)
{
startProp = ((VJournal)item).StartDateTime;
}
else
{
startProp = ((VFreeBusy)item).StartDateTime;
}
dti = VCalendar.TimeZoneTimeInfo(startProp.TimeZoneDateTime, startProp.TimeZoneId);
// Format as date or date/time and include time zone if available
if (startProp.ValueLocation == ValLocValue.Date)
{
columnText = String.Format("{0:d} {1}", dti.StartDateTime, dti.AbbreviatedStartTimeZoneName);
}
else
{
columnText = String.Format("{0} {1}", dti.StartDateTime, dti.AbbreviatedStartTimeZoneName);
}
}
else
if (e.ColumnIndex == 1)
{
if (item is VEvent)
{
summaryProp = ((VEvent)item).Summary;
descProp = ((VEvent)item).Description;
}
else
if (item is VToDo)
{
summaryProp = ((VToDo)item).Summary;
descProp = ((VToDo)item).Description;
}
else
if (item is VJournal)
{
summaryProp = ((VJournal)item).Summary;
descProp = ((VJournal)item).Description;
}
else
{
summaryProp = null;
descProp = null;
}
// If summary is empty, use description instead
if (summaryProp != null && summaryProp.Value != null)
{
columnText = summaryProp.Value;
}
else
if (descProp != null)
{
columnText = descProp.Value;
}
}
if (columnText != null)
{
// If multi-line, limit it to the first line
if (columnText.IndexOf('\n') != -1)
{
columnText = columnText.Substring(0, columnText.IndexOf('\n'));
}
e.Paint(e.CellBounds, e.PaintParts & ~DataGridViewPaintParts.ContentForeground);
// Based the foreground color on the selected state
if ((e.State & DataGridViewElementStates.Selected) != 0)
{
foreColor = e.CellStyle.SelectionForeColor;
}
else
{
foreColor = e.CellStyle.ForeColor;
}
using (SolidBrush b = new SolidBrush(foreColor))
{
e.Graphics.DrawString(columnText, e.CellStyle.Font, b, e.CellBounds, sf);
}
e.Handled = true;
}
}
}
/// <summary>
/// Test the recurrence within the specified iCalendar component
/// </summary>
/// <param name="sender">The sender of the event</param>
/// <param name="e">The event arguments</param>
private void btnTest_Click(object sender, EventArgs e)
{
RecurringObject ro = null;
DateTimeInstanceCollection instances;
string calendar;
int start;
double elapsed;
try
{
lblCount.Text = null;
// Wrap it in VCALENDAR tags and parse it
calendar = String.Format("BEGIN:VCALENDAR\nVERSION:2.0\n{0}\nEND:VCALENDAR", txtCalendar.Text);
VCalendar cal = VCalendarParser.ParseFromString(calendar);
// Get the first event, to-do, or journal item
if (cal.Events.Count > 0)
{
ro = cal.Events[0];
}
else
if (cal.ToDos.Count > 0)
{
ro = cal.ToDos[0];
}
else
if (cal.Journals.Count > 0)
{
ro = cal.Journals[0];
}
if (ro == null)
{
lblCount.Text = "No event, to-do, or journal item found";
return;
}
// Apply the time zone to the calendar. If "None" is selected, the time zone will be cleared on
// all items.
if (cboTimeZone.SelectedIndex < 1)
{
cal.ApplyTimeZone(null);
}
else
{
cal.ApplyTimeZone(VCalendar.TimeZones[cboTimeZone.SelectedIndex - 1]);
}
txtCalendar.Text = ro.ToString();
lbDates.Items.Clear();
this.Cursor = Cursors.WaitCursor;
start = System.Environment.TickCount;
instances = ro.InstancesBetween(dtpStartDate.Value, dtpEndDate.Value, chkInLocalTime.Checked);
elapsed = (System.Environment.TickCount - start) / 1000.0;
cal.Dispose();
// The date instance contains the start and end date/times, the duration, and time zone
// information. The duration is based on the duration of the calendar component. The time
// zone information is based on the "In Local Time" parameter of the InstancesBetween() method
// and whether or not the component has a Time Zone ID specified.
foreach (DateTimeInstance dti in instances)
{
lbDates.Items.Add(String.Format("{0:G} {1} to {2:G} {3} ({4})", dti.StartDateTime,
dti.AbbreviatedStartTimeZoneName, dti.EndDateTime, dti.AbbreviatedEndTimeZoneName,
dti.Duration.ToDescription()));
if (lbDates.Items.Count > 5000)
{
lblCount.Text += "A large number of instances were returned. Only the first 5000 " +
"have been loaded into the list box.\r\n";
break;
}
}
// If nothing was found remind the user that they may need to adjust the start and end date range
// to find stuff within the item.
if (instances.Count == 0)
{
MessageBox.Show("Nothing found. If this was unexpected, check the limiting date range in " +
"the two date/time text boxes at the top of the form and the calendar item date/time " +
"properties to make sure that they do overlap");
}
lblCount.Text += String.Format("Found {0:N0} instances in {1:N2} seconds ({2:N2} instances/second)",
instances.Count, elapsed, instances.Count / elapsed);
}
catch (Exception ex)
{
MessageBox.Show(ex.ToString());
}
finally
{
this.Cursor = Cursors.Default;
}
}
/// <summary>
/// Generate instances for the specified component
/// </summary>
/// <param name="sender">The sender of the event</param>
/// <param name="e">The event parameters</param>
protected void btnTest_Click(object sender, EventArgs e)
{
RecurringObject ro = null;
DateTimeInstanceCollection instances;
string calendar;
int start;
double elapsed;
DateTime startDate, endDate;
try
{
lblCount.Text = String.Empty;
if (!DateTime.TryParse(txtStartDate.Text, CultureInfo.CurrentCulture, DateTimeStyles.None,
out startDate) || !DateTime.TryParse(txtEndDate.Text, CultureInfo.CurrentCulture,
DateTimeStyles.None, out endDate))
{
lblCount.Text = "Invalid start or end date/time format";
return;
}
// Wrap it in VCALENDAR tags and parse it
calendar = String.Format("BEGIN:VCALENDAR\nVERSION:2.0\n{0}\nEND:VCALENDAR", txtCalendar.Text);
VCalendar cal = VCalendarParser.ParseFromString(calendar);
// Get the first event, to-do, or journal item
if (cal.Events.Count > 0)
{
ro = cal.Events[0];
}
else
if (cal.ToDos.Count > 0)
{
ro = cal.ToDos[0];
}
else
if (cal.Journals.Count > 0)
{
ro = cal.Journals[0];
}
if (ro == null)
{
lblCount.Text = "No event, to-do, or journal item found";
return;
}
// Apply the time zone to the calendar. If "None" is selected, the time zone will be cleared on
// all items.
if (cboTimeZone.SelectedIndex < 1)
{
cal.ApplyTimeZone(null);
}
else
{
cal.ApplyTimeZone(VCalendar.TimeZones[cboTimeZone.SelectedIndex - 1]);
}
foreach (RRuleProperty rrule in ro.RecurrenceRules)
{
ApplyLimits(ro, rrule.Recurrence);
}
foreach (ExRuleProperty exrule in ro.ExceptionRules)
{
ApplyLimits(ro, exrule.Recurrence);
}
txtCalendar.Text = ro.ToString();
start = System.Environment.TickCount;
instances = ro.InstancesBetween(startDate, endDate, chkInLocalTime.Checked);
elapsed = (System.Environment.TickCount - start) / 1000.0;
cal.Dispose();
// The date instance contains the start and end date/times, the duration, and time zone
// information. The duration is based on the duration of the calendar component. The time zone
// information is based on the "In Local Time" parameter of the InstancesBetween() method and
// whether or not the component has a Time Zone ID specified.
dlDates.DataSource = instances;
dlDates.DataBind();
// If nothing was found remind the user that they may need to adjust the start and end date range
// to find stuff within the item.
if (instances.Count == 0)
{
lblCount.Text = "Nothing found. If this was unexpected, check the limiting date range " +
"in the two date/time text boxes at the top of the form and the calendar item date/time " +
"properties to make sure that they do overlap<br/><br/>";
}
lblCount.Text += String.Format("Found {0:N0} instances in {1:N2} seconds ({2:N2} instances/second)",
instances.Count, elapsed, instances.Count / elapsed);
}
catch (Exception ex)
{
lblCount.Text = ex.Message;
}
}
public void ToStringTest()
{
var calString = @"BEGIN:VCALENDAR
PRODID:-//Google Inc//Google Calendar 70.9054//EN
VERSION:2.0
CALSCALE:GREGORIAN
X-WR-CALNAME:[email protected]
X-WR-TIMEZONE:America/Los_Angeles
BEGIN:VTIMEZONE
TZID:America/Los_Angeles
X-LIC-LOCATION:America/Los_Angeles
BEGIN:DAYLIGHT
TZOFFSETFROM:-0800
TZOFFSETTO:-0700
TZNAME:PDT
DTSTART:19700308T020000
RRULE:FREQ=YEARLY;BYMONTH=3;BYDAY=2SU
END:DAYLIGHT
BEGIN:STANDARD
TZOFFSETFROM:-0700
TZOFFSETTO:-0800
TZNAME:PST
DTSTART:19701101T020000
RRULE:FREQ=YEARLY;BYMONTH=11;BYDAY=1SU
END:STANDARD
END:VTIMEZONE
BEGIN:VEVENT
DTSTART;TZID=America/Los_Angeles:20120629T130000
DTEND;TZID=America/Los_Angeles:20120629T140000
DTSTAMP:20120629T112428Z
UID:[email protected]
RRULE:FREQ=YEARLY;BYMONTH=11;BYDAY=1SU
CREATED:20120629T111935Z
DESCRIPTION:foo
LAST-MODIFIED:20120629T112428Z
LOCATION:Barcelona
SEQUENCE:0
STATUS:CONFIRMED
SUMMARY:Demo B2G Calendar
TRANSP:OPAQUE
BEGIN:VALARM
ACTION:EMAIL
DESCRIPTION:This is an event reminder
SUMMARY:Alarm notification
ATTENDEE:mailto:[email protected]
TRIGGER:-P0DT0H30M0S
END:VALARM
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:This is an event reminder
TRIGGER:-P0DT0H30M0S
END:VALARM
END:VEVENT
END:VCALENDAR
";
VCalendar calendar = VCalendar.Parse(calString);
var xmlDoc = @"<?xml version=""1.0"" encoding=""utf-8"" ?>
<C:calendar-query xmlns:D=""DAV:""
xmlns:C=""urn:ietf:params:xml:ns:caldav"">
<D:prop>
<D:getetag/>
<C:calendar-data>
<C:comp name=""VCALENDAR"">
<C:prop name=""VERSION""/>
<C:comp name=""VEVENT"">
<C:prop name=""SUMMARY""/>
<C:prop name=""UID""/>
<C:prop name=""DTSTART""/>
<C:prop name=""DTEND""/>
</C:comp>
<C:comp name=""VTIMEZONE""/>
</C:comp>
</C:calendar-data>
</D:prop>
<C:filter>
<C:comp-filter name=""VCALENDAR"">
<C:comp-filter name=""VEVENT"">
<C:time-range start=""20060104T000000Z""
end=""20060105T000000Z""/>
</C:comp-filter>
</C:comp-filter>
</C:filter>
</C:calendar-query>";
var xmlTree = XmlTreeStructure.Parse(xmlDoc);
var node = xmlTree.GetChildAtAnyLevel("calendar-data");
var newCalString = calendar.ToString(node);
var newCal = new VCalendar(newCalString);
Assert.Equal(2, newCal.CalendarComponents.Count);
Assert.Contains("VEVENT", newCal.CalendarComponents.Keys);
Assert.Contains("VTIMEZONE", newCal.CalendarComponents.Keys);
Assert.Equal(4, newCal.CalendarComponents["VEVENT"].First().Properties.Count);
}
/// <summary>
/// This is used to apply the time zone selection to all date/time values in the dialog box
/// </summary>
/// <param name="sender">The sender of the event</param>
/// <param name="e">The event parameters</param>
private void btnApplyTZ_Click(object sender, EventArgs e)
{
DateTimeInstance dti;
string sourceTZ, destTZ;
if (cboTimeZone.SelectedIndex == timeZoneIdx)
{
MessageBox.Show("The time zone has not changed", "No Change", MessageBoxButtons.OK,
MessageBoxIcon.Exclamation);
return;
}
if (MessageBox.Show(String.Format("Do you want to convert all times from the '{0}' time zone to " +
"the '{1}' time zone?", cboTimeZone.Items[timeZoneIdx], cboTimeZone.Items[cboTimeZone.SelectedIndex]),
"Change Time Zone", MessageBoxButtons.YesNo, MessageBoxIcon.Question) == DialogResult.No)
{
return;
}
// Get the time zone IDs
if (timeZoneIdx == 0)
{
sourceTZ = null;
}
else
{
sourceTZ = (string)cboTimeZone.Items[timeZoneIdx];
}
destTZ = (string)cboTimeZone.Items[cboTimeZone.SelectedIndex];
// Convert the times
if (sourceTZ == null)
{
if (dtpStartDate.Checked)
{
dti = VCalendar.LocalTimeToTimeZoneTime(dtpStartDate.Value, destTZ);
dtpStartDate.Value = dti.StartDateTime;
}
if (dtpEndDate.Checked)
{
dti = VCalendar.LocalTimeToTimeZoneTime(dtpEndDate.Value, destTZ);
dtpEndDate.Value = dti.StartDateTime;
}
}
else
{
if (dtpStartDate.Checked)
{
dti = VCalendar.TimeZoneToTimeZone(dtpStartDate.Value, sourceTZ, destTZ);
dtpStartDate.Value = dti.StartDateTime;
}
if (dtpEndDate.Checked)
{
dti = VCalendar.TimeZoneToTimeZone(dtpEndDate.Value, sourceTZ, destTZ);
dtpEndDate.Value = dti.StartDateTime;
}
}
ucFreeBusy.ApplyTimeZone(sourceTZ, destTZ);
timeZoneIdx = cboTimeZone.SelectedIndex;
}
public void Returns_Correct_VCalendar()
{
// Arrange
var e0 = new EventModel(Rnd.DateTime, Rnd.DateTime, false, Rnd.Str, Rnd.Str, Rnd.Str, false);
var e1 = new EventModel(Rnd.DateTime, Rnd.DateTime, false, Rnd.Str, Rnd.Str, Rnd.Str, true);
var events = ImmutableList.Create(e0, e1);
var lastModified = Rnd.DateTime;
var lastModifiedStr = VCalendar.Format(lastModified);
var calendar = new CalendarModel(events, lastModified);
var tzid = Rnd.Str;
var domain = Rnd.Str;
var vcal = new VCalendar(calendar, tzid);
var expected = new StringBuilder()
.AppendLine("BEGIN:VCALENDAR")
.AppendLine("VERSION:2.0")
.AppendLine("PRODID:-//bfren//NONSGML Jeebs.Calendar//EN")
.AppendLine("CALSCALE:GREGORIAN")
.AppendLine("X-PUBLISHED-TTL:PT1H")
.AppendLine("BEGIN:VTIMEZONE")
.AppendLine("TZID:Europe/London")
.AppendLine("BEGIN:STANDARD")
.AppendLine("TZNAME:GMT")
.AppendLine("DTSTART:19710101T020000")
.AppendLine("TZOFFSETFROM:+0100")
.AppendLine("TZOFFSETTO:+0000")
.AppendLine("RRULE:FREQ=YEARLY;BYMONTH=10;BYDAY=-1SU")
.AppendLine("END:STANDARD")
.AppendLine("BEGIN:DAYLIGHT")
.AppendLine("TZNAME:BST")
.AppendLine("DTSTART:19710101T010000")
.AppendLine("TZOFFSETFROM:+0000")
.AppendLine("TZOFFSETTO:+0100")
.AppendLine("RRULE:FREQ=YEARLY;BYMONTH=3;BYDAY=-1SU")
.AppendLine("END:DAYLIGHT")
.AppendLine("END:VTIMEZONE")
.AppendLine("BEGIN:VEVENT")
.AppendLine($"UID:{lastModifiedStr}-000000@{domain}")
.AppendLine($"CREATED:{lastModifiedStr}")
.AppendLine($"LAST-MODIFIED:{lastModifiedStr}")
.AppendLine($"DTSTAMP:{lastModifiedStr}")
.AppendLine($"SUMMARY:{e0.Summary}")
.AppendLine($"DESCRIPTION:{e0.Description}")
.AppendLine($"LOCATION:{e0.Location}")
.AppendLine($"DTSTART;TZID={tzid}:{VCalendar.Format(e0.Start)}")
.AppendLine($"DTEND;TZID={tzid}:{VCalendar.Format(e0.End)}")
.AppendLine("END:VEVENT")
.AppendLine("BEGIN:VEVENT")
.AppendLine($"UID:{lastModifiedStr}-000001@{domain}")
.AppendLine($"CREATED:{lastModifiedStr}")
.AppendLine($"LAST-MODIFIED:{lastModifiedStr}")
.AppendLine($"DTSTAMP:{lastModifiedStr}")
.AppendLine($"SUMMARY:{e1.Summary}")
.AppendLine($"DESCRIPTION:{e1.Description}")
.AppendLine($"LOCATION:{e1.Location}")
.AppendLine($"DTSTART;TZID={tzid}:{VCalendar.Format(e1.Start)}")
.AppendLine($"DTEND;TZID={tzid}:{VCalendar.Format(e1.End)}")
.AppendLine("TRANSP:TRANSPARENT")
.AppendLine("END:VEVENT")
.AppendLine("END:VCALENDAR")
.ToString();
// Act
var result = vcal.ToString(domain);
// Assert
Assert.Equal(expected, result);
}