public void Post([FromBody] RealtimeSubscription subscription)
{
// Set timestamps and save to database
subscription.CreatedOn = DateTimeOffset.Now;
subscription.LastModifiedOn = subscription.CreatedOn;
this.subscriptionService.Add(subscription);
}
/// <inheritdoc />
public void Add(RealtimeSubscription subscription)
{
Guard.ArgumentNotNull(subscription, nameof(subscription));
// Update fields
var timestamp = DateTimeOffset.Now;
subscription.IsActive = true;
subscription.CreatedOn = timestamp;
subscription.LastModifiedOn = timestamp;
this.context.Subscriptions.Add(subscription);
this.context.SaveChanges();
}
/// <summary>
/// Forward message as specified in the given subscription.
/// </summary>
/// <param name="subscription">
/// The subscription.
/// </param>
/// <param name="message">
/// The message.
/// </param>
private void ForwardMessage(RealtimeSubscription subscription, HL7Message message)
{
// Example routing key template: "HL7.{MessageType}.{EventType}"
var exchangeName = subscription.Name;
var exchangeType = "topic";
var routingKey = BuildRoutingKey(subscription, message);
var serializedMessaged = JsonConvert.SerializeObject(message);
var body = Encoding.UTF8.GetBytes(serializedMessaged);
using (var connection = this.connectionFactory.CreateConnection())
using (var channel = connection.CreateModel())
{
channel.ExchangeDeclare(exchangeName, exchangeType);
channel.BasicPublish(exchangeName, routingKey, null, body);
}
}
public void RealtimeSubscriptionServiceAddSubscription()
{
var expected = new RealtimeSubscription
{
Name = "A",
SourceMessageType = "HL7",
MessageFormat = "RAW",
RoutingKey = "HL7.{MessageType}.{EventType}"
};
using (var ctx = CreateRealtimeContext())
{
var service = new RealtimeSubscriptionService(ctx);
service.Add(expected);
var actual = service.FindById(expected.Id);
Assert.NotNull(actual);
Assert.True(actual.Id > 0);
Assert.Equal("HL7", actual.SourceMessageType);
Assert.Equal("RAW", actual.MessageFormat);
Assert.True(actual.IsActive);
}
}
/// <summary>
/// Builds the routing key.
/// </summary>
/// <param name="subscription">
/// The subscription.
/// </param>
/// <param name="message">
/// The message.
/// </param>
/// <returns>
/// The <see cref="string"/>.
/// </returns>
private static string BuildRoutingKey(RealtimeSubscription subscription, HL7Message message)
{
return(subscription.RoutingKey.Replace("{MessageType}", message.MessageType.Trim())
.Replace("{EventType}", message.EventType.Trim()));
}
public void Put([FromBody] RealtimeSubscription subscription)
{
}
