/// <summary>
/// returns a FileDescriptor object which contains info about a file and can be used to download the file
/// </summary>
/// <param name="fileId"></param>
/// <returns></returns>
public FileDescriptor GetFile(string fileId)
{
Require(fileId);
var id = new QueryStringParameter("file_id", fileId);
var reply = _communicator.GetReply <GetFileReply>("getFile", id);
if (reply.Ok)
{
return(reply.File);
}
else
{
return(null);
}
}
/// <summary>
/// returns the profile photos of a user in different qualities
/// </summary>
/// <returns>A list of Photosize arrays, where each list element contains different qualities of the photo in an array</returns>
public IList <PhotoSize[]> GetUserProfilePhotos(User user, int maxPhotos = int.MaxValue)
{
Require(user);
var parameters = new List <QueryStringParameter>
{
new QueryStringParameter("user_id", user.Id.ToString()),
};
long offset = 0;
long stepsize = 100;
var offsetParameter = new QueryStringParameter("offset", offset.ToString());
var stepSizeParameter = new QueryStringParameter("limit", maxPhotos < stepsize ? maxPhotos.ToString() : stepsize.ToString());
parameters.Add(offsetParameter);
parameters.Add(stepSizeParameter);
long totalCount;
var photos = new List <PhotoSize[]>();
do
{
var reply = _communicator.GetReply <GetUserProfilePhotosReply>("getUserProfilePhotos", parameters.ToArray());
if (!reply.Ok)
{
return(null);
}
totalCount = reply.UserProfilePhotos.TotalCount;
photos.AddRange(reply.UserProfilePhotos.Photos);
offset += stepsize;
offsetParameter.Value = offset.ToString();
if (totalCount - offset < stepsize)
{
stepSizeParameter.Value = (totalCount - offset).ToString();
}
}while ((offset <= totalCount) && (offset <= maxPhotos));
return(photos);
}
/// <summary>
/// Gets all unconfirmed updates the bot has received
/// - when called the first time, it gets all unconfirmed messages the bot has received
/// - subsequent calls confirm previous update, so after that, it will only get new updates (and confirm old ones)
///
/// </summary>
/// <param name="peek">when set, the bot will not confirm updates, so that they will also be kept on the server</param>
/// <returns>a list of Messages</returns>
///
public IList <Update> GetUpdates(bool peek = false)
{
QueryStringParameter requestlimit = new QueryStringParameter("limit", Constants.RequestLimit.ToString());
UpdateReply reply;
if (_updateOffset != 0 && !peek)
{
QueryStringParameter offset = new QueryStringParameter("offset", _updateOffset.ToString());
reply = _communicator.GetReply <UpdateReply>("getUpdates", requestlimit, offset);
}
else
{
reply = _communicator.GetReply <UpdateReply>("getUpdates", requestlimit);
}
//set offset for next pull
if (reply.Updates.Length > 0)
{
_updateOffset = reply.Updates[reply.Updates.Length - 1].UpdateId + 1;
}
return(new List <Update>(reply.Updates));
}
