public string GetQueryProtocol()
{
string message;
KafkaProtocolModel protocol = new KafkaProtocolModel();
protocol.Head.Action = "QUERY";
protocol.Head.Version = "1";
message = JsonSerializer.Serialize(protocol);
return(message);
}
internal string GetAddNewProtocol(CarViewModel car)
{
string message;
KafkaProtocolModel protocol = new KafkaProtocolModel();
protocol.Head.Action = "ADD_CAR";
protocol.Head.Version = "1";
protocol.Data.Add(new KpCarModel
{
CarBrand = car.CarBrand,
CarModel = car.CarModel,
EngineType = car.EngineType
});
message = JsonSerializer.Serialize(protocol);
return(message);
}
private async Task ProcessQuery(KafkaProducerService producerService)
{
var allCars = await this.manager.GetCarsAsync();
List <KpCarModel> cars = this.adaptor.MappCarViewModel(allCars);
KafkaProtocolModel kafkaProtocol = new KafkaProtocolModel
{
Data = cars,
Head = new KpHeapModel
{
Action = "Result",
Version = "1"
}
};
string jsonString = JsonSerializer.Serialize(kafkaProtocol);
await producerService.ProduceMessageAsync(jsonString);
}
public async Task ProccessMessage(KafkaOptions kafkaOptions, IServiceScope serviceScope, string message)
{
IKafkaServiceFactory kafkaFactory = serviceScope.ServiceProvider
.GetRequiredService <IKafkaServiceFactory>();
IFactory factory = serviceScope.ServiceProvider
.GetRequiredService <IFactory>();
this.manager = new PersonManager(factory);
this.adaptor = factory.GetAdaptor();
KafkaProducerService producerService = kafkaFactory.GetProducerService
(
kafkaOptions.Settings,
kafkaOptions.Producers[0]
);
if (int.TryParse(message, out int id))
{
KafkaProtocolModel kafkaProtocol = this.GetProtocol(message);
switch (kafkaProtocol.Head.Action)
{
case "QUERY":
await this.ProcessQuery(producerService);
break;
case "ADD_PERSON":
await this.ProcessAddPerson(kafkaProtocol.Data[0], producerService);
break;
}
}
else
{
var carID = int.Parse(message);
await this.RemoveCar(carID);
}
}
public List <CarViewModel> GetCars(string msg)
{
KafkaProtocolModel kafkaProtocol = this.GetProtocol(msg);
return(Mapp(kafkaProtocol.Data));
}
