/// <summary>
/// Gets a list of commands sent to the device for the specified filter criteria.
/// </summary>
/// <param name="deviceGuid">Device unique identifier.</param>
/// <param name="filter">Notification filter criteria.</param>
/// <returns>A list of <see cref="Command"/> objects that match specified filter criteria.</returns>
public async Task <List <Command> > GetCommandsAsync(string deviceGuid, CommandFilter filter)
{
if (string.IsNullOrEmpty(deviceGuid))
{
throw new ArgumentException("DeviceGuid is null or empty!", "deviceGuid");
}
return(await _restClient.GetAsync <List <Command> >(
string.Format("device/{0}/command", deviceGuid) + RestClient.MakeQueryString(filter)));
}
/// <summary>
/// Gets a list of commands sent to the device for the specified filter criteria.
/// </summary>
/// <param name="deviceGuid">Device unique identifier.</param>
/// <param name="filter">Notification filter criteria.</param>
/// <returns>A list of <see cref="Command"/> objects that match specified filter criteria.</returns>
public async Task<List<Command>> GetCommands(string deviceGuid, CommandFilter filter)
{
if (string.IsNullOrEmpty(deviceGuid))
throw new ArgumentException("DeviceGuid is null or empty!", "deviceGuid");
return await _restClient.Get<List<Command>>(
string.Format("device/{0}/command", deviceGuid) + _restClient.MakeQueryString(filter));
}
async void LoadCommands()
{
await StopCommandsSubscription();
bool loaded = false;
CommandFilter filter = new CommandFilter()
{
End = filterCommandsEnd,
Start = filterCommandsStart,
SortOrder = SortOrder.DESC
};
var list = new IncrementalLoadingCollection<Command>(async (take, skip) =>
{
filter.Skip = (int)skip;
filter.Take = (int)take;
try
{
Debug.WriteLine("CMD LOAD START");
var commands = await ClientService.Current.GetCommandsAsync(deviceId, filter);
Debug.WriteLine("CMD LOAD END");
return commands;
}
catch (Exception ex)
{
Dispatcher.RunAsync(CoreDispatcherPriority.Normal, () =>
{
new MessageDialog(ex.Message, "Error").ShowAsync();
});
throw ex;
}
}, 20);
list.IsLoadingChanged += (s, isLoading) =>
{
LoadingItems += isLoading ? 1 : -1;
if (!isLoading && !loaded)
{
StartCommandsSubscription();
if (s.Count > 0)
{
// makes server response faster
filter.End = s.First().Timestamp;
}
loaded = true;
}
};
CommandsObservable = list;
}
