/// <summary>
/// Create.
/// </summary>
/// <param name="subject">The subject of the notification.</param>
/// <param name="templateKey">The key of the template.</param>
/// <param name="source">The source specifying the sender or system generating the notification.</param>
/// <param name="destination">The destination of the notification.</param>
/// <param name="time">The generation date of the notification, in UTC.</param>
/// <param name="dynamicProperties">The dynamic properties.</param>
/// <param name="topic">The topic which the notification serves.</param>
public ChannelMessage(
string subject,
string templateKey,
IChannelIdentity source,
IChannelDestination destination,
DateTime time,
IReadOnlyDictionary <string, object> dynamicProperties,
T topic = default(T))
{
if (subject == null)
{
throw new ArgumentNullException(nameof(subject));
}
if (templateKey == null)
{
throw new ArgumentNullException(nameof(templateKey));
}
if (source == null)
{
throw new ArgumentNullException(nameof(source));
}
if (destination == null)
{
throw new ArgumentNullException(nameof(destination));
}
if (time.Kind != DateTimeKind.Utc)
{
throw new ArgumentException("Time is not in UTC.", nameof(time));
}
this.Guid = Guid.NewGuid();
this.Subject = subject;
this.TemplateKey = templateKey;
this.Source = source;
this.Destination = destination;
this.Topic = topic;
this.Time = time;
this.Time = time;
this.DynamicProperties = dynamicProperties;
}
/// <summary> /// If true, send a single e-mail message with multiple recepients, else send one e-mail message per destination. /// </summary> protected abstract bool UseSingleMessageForMultipleRecepients(IChannelDestination destination, T topic);
/// <summary> /// Override to extract e-mail recepients from a destination object and a topic. /// </summary> protected abstract Task <IEnumerable <IChannelIdentity> > GetDestinationIdentitiesAsync(IChannelDestination destination, T topic);
