public async Task <string> HandleAsync(LogEntry log)
{
return(await Task.Run(() =>
{
if (!string.IsNullOrEmpty(log.CommandType) && log.CommandData != null)
{
var command = _commandSerializer.Deserialize(log.CommandType, log.CommandData);
if (command != null && command is GenerateBusinessCodeCommand generateCommand)
{
var config = _businessCodeConfigManager.Get(generateCommand.ApplicationId, generateCommand.CodeType);
if (config == null)
{
return string.Empty;
}
var code = _businessCodeCache.Get(generateCommand.ApplicationId, generateCommand.CodeType);
code.Generate(generateCommand.CurrentTime ?? DateTime.Now);
var generatedCode = $"{config.CodePrefix}{code.Infix}{code.Sequence.ToString().PadLeft(config.SequenceMinLength, '0')}";
Console.WriteLine($"generatedCode={generatedCode}");
return generatedCode;
}
}
return string.Empty;
}));
}
public async Task ProcessCommandAsync(HttpContext context)
{
try
{
string json;
using (var reader = new StreamReader(context.Request.Body))
{
json = await reader.ReadToEndAsync();
}
if (JsonConvert.DeserializeObject(json, _jsonSerializerSettings) is GenerateBusinessCodeCommand command)
{
_logger.LogDebug($"{context.Request.Path} called, my state is {_node.State.GetType().FullName}");
if (_node.Role == NodeRole.Leader || command.CurrentTime == null)
{
var config = _businessCodeConfigManager.Get(command.ApplicationId, command.CodeType);
if (config == null)
{
await context.Response.WriteAsync(JsonConvert.SerializeObject(new ExecuteCommandResponse(null, false, "unable to save business code to state machine")));
return;
}
var code = _businessCodeCache.Get(command.ApplicationId, command.CodeType);
command = new GenerateBusinessCodeCommand(command.ApplicationId, command.CodeType, DateTime.Now);
}
var commandResponse = await _node.ExecuteCommandAsync(command);
await context.Response.WriteAsync(JsonConvert.SerializeObject(commandResponse));
}
else
{
context.Response.StatusCode = (int)HttpStatusCode.InternalServerError;
await context.Response.WriteAsync("Bad command request.");
}
}
catch (Exception ex)
{
context.Response.StatusCode = (int)HttpStatusCode.InternalServerError;
await context.Response.WriteAsync(JsonConvert.SerializeObject(ex));
_logger.LogError($"THERE WAS A PROBLEM ON NODE {_node.Id}", ex);
}
}