[Solved] Exchange Provider: Load Calendar by Name

[Jonathan]

By default, the exchange provider loads the "main" calendar of an account (DistinguishedFolderIdNameType.calendar), but I have a need to load other calendars within the same account (eg "personal", "business", etc) by their display name. I modified the exchange provider as below, and just post it here in case anyone else can make use of it.

Cheers
Jonathan

added a property to ExchangeSchedulerProvider:

        public string CustomCalendarName { get; set; }

modified the constructor to accept calendar name (though should really have created overload):

public ExchangeSchedulerProvider(string serverUrl, string username, string password, string domain, string calendarName)
    : this()
{
    ServerUrl = serverUrl;
    Username = username;
    Password = password;
    Domain = domain;
    CustomCalendarName = calendarName;
}

added the following method to ExchangeSchedulerProvider.cs:

protected internal List<BaseFolderIdType> FindCalendarFolderByName(string folderName)
{
    List<BaseFolderIdType> theReturn = new List<BaseFolderIdType>();

    if (folderName == null || folderName == string.Empty)
        theReturn.Add(new DistinguishedFolderIdType() { Id = DistinguishedFolderIdNameType.calendar });
    else
    {
        // LOOKUP THE FOLDER BY ITS FRIENDLY (DISPLAY) NAME

        FindFolderType findFolder = new FindFolderType();
        findFolder.FolderShape = new FolderResponseShapeType() { BaseShape = DefaultShapeNamesType.IdOnly };
        findFolder.Traversal = FolderQueryTraversalType.Deep;

        // Identify which folder to begin your search from.
        List<DistinguishedFolderIdType> folders = new List<DistinguishedFolderIdType>();
        DistinguishedFolderIdType rootFolder = new DistinguishedFolderIdType() { Id = DistinguishedFolderIdNameType.root };
        folders.Add(rootFolder);
        findFolder.ParentFolderIds = folders.ToArray();

        // need display name property to compare against
        PathToUnindexedFieldType displayNamePath = new PathToUnindexedFieldType() { FieldURI = UnindexedFieldURIType.folderDisplayName };
        findFolder.FolderShape.AdditionalProperties = new BasePathToElementType[] { displayNamePath };

        // execute the request
        FindFolderResponseType response = Service.FindFolder(findFolder);

        // FILTER OUT THE ONE FOLDER WE'RE LOOKING FOR, AND GET ITS ID

        // Access the response message.
        ArrayOfResponseMessagesType responseMessages = response.ResponseMessages;

        List<string> CalendarFolderIDs = new List<string>();
        foreach (ResponseMessageType responseMessage in responseMessages.Items)
        {
            if (responseMessage is FindFolderResponseMessageType)
            {
                FindFolderResponseMessageType ffrmt = (responseMessage as FindFolderResponseMessageType);
                FindFolderParentType ffpt = ffrmt.RootFolder;

                foreach (BaseFolderType item in ffpt.Folders)
                {
                    if (item is CalendarFolderType)
                    {
                        CalendarFolderType calendarFolder = item as CalendarFolderType;
                        if (calendarFolder != null)
                        {
                            if (calendarFolder.DisplayName.ToLower() == CustomCalendarName.ToLower())
                            {
                                FolderIdType calID = calendarFolder.FolderId;
                                theReturn.Add(calID);
                            }
                        }
                    }
                }
            }
        }
    }

    return theReturn;
}

and then in the FindCalendarItems() method, changed

            List<DistinguishedFolderIdType> folderIDs = new List<DistinguishedFolderIdType>();
            DistinguishedFolderIdType ownCalendar = new DistinguishedFolderIdType();
            ownCalendar.Id = DistinguishedFolderIdNameType.calendar;
            folderIDs.Add(ownCalendar);

to:

            List<BaseFolderIdType> folderIDs = FindCalendarFolderByName(CustomCalendarName);

Now from the aspx.cs, can set up the provider like:

ExchangeSchedulerProvider provider = new ExchangeSchedulerProvider(serverPath, _CalendarProperties.userName, _CalendarProperties.userPass, _CalendarProperties.userDomain, "myCalendar");
RadScheduler1.Provider = provider;

[Peter]

Hi Jonathan,

Thanks for sharing your code with the community. I have updated your Telerik points for this.

Greetings,
Peter
the Telerik team