/// <summary>
/// Start messaging
/// </summary>
/// <param name="subject"></param>
/// <param name="to"></param>
/// <param name="callbackUrl"></param>
/// <param name="localUserDisplayName"></param>
/// <param name="localUserUri"></param>
/// <returns></returns>
private async Task <IMessagingInvitation> StartMessagingWithIdentityAsync(string subject, string to, string callbackContext, string callbackUrl, string href, string localUserDisplayName, string localUserUri, LoggingContext loggingContext = null)
{
(Parent as Application).GetCallbackUrlAndCallbackContext(ref callbackUrl, ref callbackContext);
string operationId = Guid.NewGuid().ToString();
var tcs = new TaskCompletionSource <IInvitation>();
HandleNewInviteOperationKickedOff(operationId, tcs);
IInvitation invite = null;
var input = new MessagingInvitationInput
{
OperationContext = operationId,
To = to,
Subject = subject,
CallbackContext = callbackContext,
CallbackUrl = callbackUrl,
LocalUserDisplayName = localUserDisplayName,
LocalUserUri = localUserUri
};
var startMessagingUri = UriHelper.CreateAbsoluteUri(this.BaseUri, href);
await this.PostRelatedPlatformResourceAsync(startMessagingUri, input, new ResourceJsonMediaTypeFormatter(), loggingContext).ConfigureAwait(false);
try
{
invite = await tcs.Task.TimeoutAfterAsync(WaitForEvents).ConfigureAwait(false);
}
catch (TimeoutException)
{
throw new RemotePlatformServiceException("Timeout to get incoming messaging invitation started event from platformservice!");
}
//We are sure the invite sure be there now.
var result = invite as MessagingInvitation;
if (result == null)
{
throw new RemotePlatformServiceException("Platformservice do not deliver a messageInvitation resource with operationId " + operationId);
}
return(result);
}
/// <summary>
/// Establishes a <see cref="IMessagingInvitation"/>> as an asynchronous operation.
/// </summary>
/// <param name="loggingContext">The logging context.</param>
/// <returns>Task<TInvitation>.</returns>
/// <exception cref="Microsoft.SfB.PlatformService.SDK.Common.CapabilityNotAvailableException">Link to establish messaging is not available.</exception>
/// <exception cref="System.Exception">
/// [Messaging] Failed to get Conversation from messaging base parent
/// or
/// [Messaging] Failed to get communication from conversation base parent
/// </exception>
/// <exception cref="Microsoft.SfB.PlatformService.SDK.Common.RemotePlatformServiceException">
/// Timeout to get incoming messaging invitation started event from platformservice!
/// or
/// Platformservice do not deliver a messageInvitation resource with operationId " + operationId
/// </exception>
public override async Task <IMessagingInvitation> EstablishAsync(LoggingContext loggingContext = null)
{
string href = PlatformResource?.AddMessagingLink?.Href;
if (string.IsNullOrWhiteSpace(href))
{
throw new CapabilityNotAvailableException("Link to establish messaging is not available.");
}
Logger.Instance.Information(string.Format("[Messaging] calling AddMessaging. LoggingContext: {0}",
loggingContext == null ? string.Empty : loggingContext.ToString()));
var conversation = base.Parent as Conversation;
if (conversation == null)
{
Logger.Instance.Error("[Messaging] Conversation from messaging base parent is numll");
throw new Exception("[Messaging] Failed to get Conversation from messaging base parent");
}
var communication = conversation.Parent as Communication;
if (communication == null)
{
Logger.Instance.Error("[Messaging] communication from conversation base parent is numll");
throw new Exception("[Messaging] Failed to get communication from conversation base parent");
}
string operationId = Guid.NewGuid().ToString();
TaskCompletionSource <IInvitation> tcs = new TaskCompletionSource <IInvitation>();
//Tracking the incoming invitation from communication resource
communication.HandleNewInviteOperationKickedOff(operationId, tcs);
IInvitation invite = null;
//It seems that this is not the expected input, please clarify the right input resource here.
var input = new MessagingInvitationInput
{
OperationContext = operationId,
};
Uri addMessagingUri = UriHelper.CreateAbsoluteUri(this.BaseUri, href);
await this.PostRelatedPlatformResourceAsync(addMessagingUri, input, new ResourceJsonMediaTypeFormatter(), loggingContext).ConfigureAwait(false);
try
{
invite = await tcs.Task.TimeoutAfterAsync(WaitForEvents).ConfigureAwait(false);
}
catch (TimeoutException)
{
throw new RemotePlatformServiceException("Timeout to get incoming messaging invitation started event from platformservice!");
}
//We are sure the invite sure be there now.
var result = invite as IMessagingInvitation;
if (result == null)
{
throw new RemotePlatformServiceException("Platformservice do not deliver a messageInvitation resource with operationId " + operationId);
}
return(result);
}
