/// <summary>
/// Gets invoked to handle the incoming request
/// </summary>
/// <param name="context"></param>
public async Task Invoke(HttpContext context)
{
if (!(
context.Request.Method == HttpMethods.Post &&
_botManager.WebhookUrl.EndsWith(context.Request.Path)
))
{
await _next.Invoke(context);
return;
}
string data;
using (var reader = new StreamReader(context.Request.Body))
{
data = await reader.ReadToEndAsync();
}
_logger.LogTrace($"Update Data:`{data}`");
Update update = null;
try
{
update = JsonConvert.DeserializeObject <Update>(data);
}
catch (JsonException e)
{
_logger.LogWarning($"Unable to deserialize update payload. {e.Message}");
}
if (update == null)
{
context.Response.StatusCode = StatusCodes.Status400BadRequest;
return;
}
try
{
await _botManager.HandleUpdateAsync(update);
context.Response.StatusCode = StatusCodes.Status200OK;
}
catch (Exception e)
{
_logger.LogError($"Error occured while handling update `{update.Id}`. {e.Message}");
context.Response.StatusCode = StatusCodes.Status500InternalServerError;
}
}
