public async Task <SubscriptionDto> SubscribeToAsync(string subject, CancellationToken cancellationToken = default)
{
var channel = Environment.GetEnvironmentVariable("CHANNEL");
var podName = Environment.GetEnvironmentVariable("POD_NAME");
var podNamespace = Environment.GetEnvironmentVariable("POD_NAMESPACE");
var subscriberUri = new Uri($"http://{podName}.{podNamespace}.svc.cluster.local/events");
var createSubscriptionCommand = new CreateSubscriptionCommandDto
{
Subject = subject,
Channel = channel,
Subscribers = new List <Uri>()
{
subscriberUri
}
};
SubscriptionDto subscription;
using (HttpResponseMessage response = await this.HttpClient.PostAsJsonAsync("sub", createSubscriptionCommand))
{
if (!response.IsSuccessStatusCode)
{
var content = await response?.Content.ReadAsStringAsync();
throw new OperationException($"The remote server responded with a non-success status code '{response.StatusCode}'.{Environment.NewLine}Details: {content}");
}
subscription = JsonConvert.DeserializeObject <SubscriptionDto>(await response?.Content.ReadAsStringAsync());
this.Logger.LogInformation("A cloud event subscription to subject '{subject}' has been successfully created", subject);
}
return(subscription);
}
public async Task <IActionResult> Sub([FromBody] CreateSubscriptionCommandDto command)
{
if (!this.ModelState.IsValid)
{
return(this.BadRequest(this.ModelState));
}
return(this.Process(await this.Mediator.Send(this.Mapper.Map <CreateSubscriptionCommand>(command)), (int)HttpStatusCode.Created));
}
