public async Task <IActionResult> CreateBehaviorAsync([FromBody] CreateBehaviorDto request, CancellationToken cancellationToken = default)
{
try
{
await _behaviorAppService.DispatchBehavior(request, cancellationToken);
return(Created("order/confirmation", null)); // 201
}
catch (Exception ex)
{
return(StatusCode(500, ex.Message));
}
}
public async Task CreateBehavior_Should_Succeed()
{
// Arrange
string ip = "127.0.0.1";
string pageName = "home";
string userAgent = "safari";
var dto = new CreateBehaviorDto {
IP = ip, PageName = pageName, UserAgent = userAgent
};
// Act
var service = _behaviorAppService.Object;
var task = Task.Run(() => service.CreateBehaviorAsync(dto));
Exception ex = await Record.ExceptionAsync(async() => await task);
// Assert
Assert.Null(ex);
}
public async Task CreateBehaviorAsync(CreateBehaviorDto dto, CancellationToken cancellationToken = default)
{
try
{
var command = dto.Assemble();
var behavior = new Behavior(command);
// create behavior in MSSQL
await _behaviorRepository("MSSQL").CreateBehavior(behavior, cancellationToken);
// create behavior in Couchbase
await _behaviorRepository("Couch").CreateBehavior(behavior, cancellationToken);
}
catch (Exception ex)
{
throw new CreateBehaviorException(
$"An error occurred when trying to create behavior for IP {dto.IP} and page name {dto.PageName}. See inner exception for details.",
ex);
}
}
public async Task DispatchBehavior(CreateBehaviorDto dto, CancellationToken cancellationToken = default)
{
try
{
var command = dto.Assemble();
var behavior = new Behavior(command);
// dispatch domain event
var @event = new BehaviorCreatedEvent(behavior.Id,
behavior.IP,
behavior.PageName,
behavior.UserAgent,
behavior.PageParameters);
await _messageService.PublishAsync("behavior_created", @event, cancellationToken);
}
catch (Exception ex)
{
throw new CreateBehaviorException(
$"An error occurred when trying to create behavior for IP {dto.IP} and page name {dto.PageName}. See inner exception for details.",
ex);
}
}
static void Main(string[] args)
{
// start DI container
InitializeDIContainer();
// create a provider containing all services which exists whithin IServiceCollection instance.i
var serviceProvider = services.BuildServiceProvider();
using (IMessageService messageService = new MessageService(serviceProvider.GetService <RabbitMQConfiguration>()))
{
// consume the queue from RabbitMQ
Task.Run(() => messageService.ConsumeAsync(queueName, (s, e) =>
{
try
{
var content = Encoding.UTF8.GetString(e.Body);
var result = JsonConvert.DeserializeObject <BehaviorCreatedEvent>(content);
// persists the new behavior inside every database with the domain application service
IBehaviorAppService behaviorAppService = serviceProvider.GetService <IBehaviorAppService>();
var createBehaviorDto = new CreateBehaviorDto
{
IP = result.IP,
PageName = result.PageName,
UserAgent = result.UserAgent,
PageParameters = result.PageParameters
};
Task.Run(() =>
{
try
{
behaviorAppService.CreateBehaviorAsync(createBehaviorDto);
Console.WriteLine($"New behavior created for IP: {result.IP}.");
}
catch (Exception ex)
{
Console.WriteLine($"Error when creating behavior: {ex.Message}");
}
});
}
catch (Exception ex)
{
Console.WriteLine($"Error when pulling from queue: {ex.Message}");
}
}));
Console.WriteLine("Waiting for created behaviors..");
Console.CancelKeyPress += (o, e) =>
{
Console.WriteLine("Leaving..");
_waitHandle.Set();
e.Cancel = true;
};
_waitHandle.WaitOne();
}
}