/// <summary>
/// Turn a classification requested event to the <see cref="Notification.QueueNotificationDispatcher"/> type of message
/// </summary>
/// <param name="evtPayload">
/// The event for a classification being requested
/// </param>
public static string ToQueueMessage(ClassifierRequested evtPayload)
{
if (evtPayload != null)
{
string asOf = "null";
if (evtPayload.AsOfDate.HasValue)
{
asOf = evtPayload.AsOfDate.Value.ToString("O");
}
return($"|{evtPayload.DomainName}|{evtPayload.EntityTypeName}|{evtPayload.InstanceKey}|{evtPayload.ClassifierTypeName}|{asOf}|{evtPayload.CorrelationIdentifier}");
}
return("");
}
/// <summary>
/// Turn a queue notification message back into a projection requested event
/// </summary>
/// <param name="queuedMessage">
/// The message sent by the <see cref="Notification.QueueNotificationDispatcher"/> for the command or query
/// </param>
/// <returns>
/// If the string can be turned into a projection request then it is - otherwise null
/// </returns>
/// <remarks>
/// Message is pipe separated
/// E|Projection Requested|{command/query id}|{command/query sequence number}|null||{ProjectionDomainName}|{ProjectionEntityTypeName}|{ProjectionInstanceKey}|{ProjectionTypeName}|{AsOfDate}|{CorrelationIdentifier}
/// </remarks>
public static ClassifierRequested FromQueuedMessage(string queuedMessage)
{
if (!string.IsNullOrWhiteSpace(queuedMessage))
{
string[] messageParts = queuedMessage.Split('|');
if (messageParts.Count() > 5)
{
// Message has parts that can be converted to a projection request
ClassifierRequested request = new ClassifierRequested();
if (messageParts.Count() >= 6)
{
request.DomainName = messageParts[5];
}
if (messageParts.Count() >= 7)
{
request.EntityTypeName = messageParts[6];
}
if (messageParts.Count() >= 8)
{
request.InstanceKey = messageParts[7];
}
if (messageParts.Count() >= 9)
{
request.ClassifierTypeName = messageParts[8];
}
if (messageParts.Count() >= 10)
{
//AsOfDate
if (!string.IsNullOrWhiteSpace(messageParts[9]))
{
DateTime asOf;
if (DateTime.TryParse(messageParts[9], out asOf))
{
request.AsOfDate = asOf;
}
}
}
if (messageParts.Count() >= 11)
{
request.CorrelationIdentifier = messageParts[10];
}
return(request);
}
}
return(null);
}