/// <summary>
/// Check if a message contains a command and if so, handle it.
/// </summary>
/// <returns>A BotResponseCode if a command was handled, or NoAction if no matching command was found.</returns>
public async Task <BotResponseCode> TryHandleCommand(UpdateDto updateDto)
{
foreach (var command in Enum.GetValues(typeof(TCommand)).Cast <TCommand>())
{
if (_commandsService.IsCommand(updateDto.ParsedTextMessage, command))
{
var errorText = await ValidateRequirements(command, updateDto);
if (!string.IsNullOrEmpty(errorText))
{
// If there is a chat, answer with the errorText.
if (updateDto.ParsedChat != null)
{
await _sendMessageService.SendTextMessage(updateDto.ParsedChat.Id, errorText);
}
return(BotResponseCode.CommandRequirementNotFulfilled);
}
var responseCode = await HandleCommand(command, updateDto);
if (responseCode != BotResponseCode.NoAction)
{
return(responseCode);
}
}
}
return(BotResponseCode.NoAction);
}
private bool IsStartCommand(UpdateDto updateDto)
{
return(_commandsService.IsCommand(updateDto.ParsedTextMessage, Command.Start));
}