private IEnumerable <CommunicationToken> GetMessageTokens(CommunicationRequest communicationRequest)
{
return(communicationRequest.Tokens
.Where(token =>
token.Key != CommunicationTokens.RecipientEmailAddress &&
token.Key != CommunicationTokens.CandidateMobileNumber));
}
public static CommunicationRequest GetCommunicationMessage(Candidate candidate, List <ExpiringApprenticeshipApplicationDraft> candidateDailyDigest)
{
var communicationMessage = new CommunicationRequest
{
EntityId = candidate.EntityId,
MessageType = MessageTypes.DailyDigest
};
var commTokens = new List <CommunicationToken>
{
new CommunicationToken(CommunicationTokens.CandidateFirstName, candidate.RegistrationDetails.FirstName),
new CommunicationToken(CommunicationTokens.RecipientEmailAddress, candidate.RegistrationDetails.EmailAddress),
new CommunicationToken(CommunicationTokens.CandidateMobileNumber, candidate.RegistrationDetails.PhoneNumber),
new CommunicationToken(CommunicationTokens.ExpiringDraftsCount, candidateDailyDigest.Count().ToString(CultureInfo.InvariantCulture))
};
//todo: for review. consider dealing with raw data here, not custom serialisation
var drafts = string.Join("~", candidateDailyDigest
.OrderBy(p => p.ClosingDate)
.Select(d => string.Join("|", d.VacancyId, WebUtility.UrlEncode(d.Title), WebUtility.UrlEncode(d.EmployerName), d.ClosingDate.ToLongDateString())));
commTokens.Add(new CommunicationToken(CommunicationTokens.ExpiringDrafts, drafts));
communicationMessage.Tokens = commTokens;
return(communicationMessage);
}
private IEnumerable <CommunicationMessage> GenerateCommunicationMessages(
CommunicationRequest request,
string originatingService,
List <CommunicationDataItem> dataItems,
IEnumerable <Participant> filteredParticipants)
{
var messages = filteredParticipants.SelectMany(p =>
{
var channels = p.Preferences.Channels.ToDeliveryChannels();
return(channels.Select(channel => new CommunicationMessage
{
Id = Guid.NewGuid(),
RequestDateTime = request.RequestDateTime,
ParticipantsResolverName = request.ParticipantsResolverName,
OriginatingServiceName = originatingService,
Recipient = p.User,
DataItems = dataItems,
RequestType = request.RequestType,
Channel = channel,
Frequency = p.Preferences.Frequency,
Status = CommunicationMessageStatus.Pending
}
));
});
return(messages.ToArray());
}
public async Task <IEnumerable <CommunicationUser> > GetParticipantsAsync(CommunicationRequest request)
{
_logger.LogDebug($"Resolving participants for RequestType: '{request.RequestType}'");
var entityId = request.Entities.Single(e => e.EntityType == CommunicationConstants.EntityTypes.Vacancy).EntityId.ToString();
if (long.TryParse(entityId, out var vacancyReference) == false)
{
return(Array.Empty <CommunicationUser>());
}
var vacancy = await _vacancyRepository.GetVacancyAsync(vacancyReference);
List <User> users = null;
if (vacancy.OwnerType == OwnerType.Employer)
{
users = await _userRepository.GetEmployerUsersAsync(vacancy.EmployerAccountId);
}
else
{
users = await _userRepository.GetProviderUsersAsync(vacancy.TrainingProvider.Ukprn.GetValueOrDefault());
}
var primaryUserIdamsId = vacancy.Status == VacancyStatus.Rejected ? vacancy.ReviewByUser?.UserId : vacancy.SubmittedByUser?.UserId;
return(ParticipantResolverPluginHelper.ConvertToCommunicationUsers(users, primaryUserIdamsId));
}
public void Request(CommunicationRequest parameter)
{
Thread t = new Thread(new ParameterizedThreadStart(AsyncRequest));
parameter.threadId = t.ManagedThreadId;
t.Start(parameter);
}
protected override void HandleSmsMessage(Candidate candidate, CommunicationRequest communicationRequest)
{
var mobileNumber = communicationRequest.GetToken(CommunicationTokens.CandidateMobileNumber);
HandleExpiringDraftSmsMessages(candidate, mobileNumber, communicationRequest);
HandleApplicationStatusAlertSmsMessages(candidate, mobileNumber, communicationRequest);
}
/// <summary>
/// Deserialize JSON into a FHIR CommunicationRequest
/// </summary>
public static void DeserializeJson(this CommunicationRequest current, ref Utf8JsonReader reader, JsonSerializerOptions options)
{
string propertyName;
while (reader.Read())
{
if (reader.TokenType == JsonTokenType.EndObject)
{
return;
}
if (reader.TokenType == JsonTokenType.PropertyName)
{
propertyName = reader.GetString();
if (Hl7.Fhir.Serialization.FhirSerializerOptions.Debug)
{
Console.WriteLine($"CommunicationRequest >>> CommunicationRequest.{propertyName}, depth: {reader.CurrentDepth}, pos: {reader.BytesConsumed}");
}
reader.Read();
current.DeserializeJsonProperty(ref reader, options, propertyName);
}
}
throw new JsonException($"CommunicationRequest: invalid state! depth: {reader.CurrentDepth}, pos: {reader.BytesConsumed}");
}
private static string BuildRequestBody(CommunicationRequest communicationRequest)
{
var serializer = new FhirJsonSerializer();
var json = serializer.SerializeToString(communicationRequest);
return(json);
}
public async Task <IEnumerable <CommunicationMessage> > CreateMessagesAsync(CommunicationRequest request)
{
_logger.LogInformation($"Starting to create messages for request id: '{request.RequestId}' of type: '{request.RequestType}'");
var recipientsTask = GetPotentialRecipientsAsync(request);
var dataItemsTask = GetEntityDataItemsAsync(request);
await Task.WhenAll(recipientsTask, dataItemsTask);
var recipients = recipientsTask.Result;
var dataItems = dataItemsTask.Result;
_logger.LogInformation($"{dataItems.Count} data items found for request id: '{request.RequestId}'");
var participants = await GetPreferencesForParticipantsAsync(request.RequestType, recipients);
_logger.LogInformation($"Retrieved {participants.Count()} participants for request id: '{request.RequestId}'");
var optedInParticipants = GetOptedInParticipants(participants);
_logger.LogInformation($"{optedInParticipants.Count()} participants have opted in for request id: '{request.RequestId}'");
var messages = GenerateCommunicationMessages(request, request.TemplateProviderName, dataItems, optedInParticipants);
_logger.LogInformation($"{messages.Count()} messages generated for request id: '{request.RequestId}'");
await SetMessageTemplateIdsAsync(messages);
return(messages);
}
private void AddCommonTokens(CommunicationRequest communicationRequest)
{
var tokens = communicationRequest.Tokens.ToList();
AddCandidateSiteDomainNameToken(tokens);
communicationRequest.Tokens = tokens;
}
private static Guid GetCandidateId(CommunicationRequest communicationRequest)
{
if (!communicationRequest.EntityId.HasValue)
{
throw new InvalidOperationException("Candidate Id is null.");
}
return(communicationRequest.EntityId.Value);
}
public override bool CanHandle(CommunicationRequest communicationRequest)
{
var messageTypes = new[]
{
MessageTypes.SendEmployerApplicationLinks
};
return(messageTypes.Contains(communicationRequest.MessageType));
}
public override CommunicationResponse Request(CommunicationRequest parameter)
{
CommunicationResponse response = new CommunicationResponse();
try {
string requestUrl = parameter.GetURL();
HttpWebRequest request = HttpWebRequest.Create(requestUrl) as HttpWebRequest;
request.Accept = "text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8";
request.ContentType = "application/x-AsyncWebClient";
request.Method = parameter.methodName;
request.KeepAlive = false;
request.ContentLength = parameter.dataLength;
request.UserAgent = this.userAgent.Create();
request.Timeout = HttpCommunicationClient.TIME_OUT;
if (parameter.methodName.Equals("POST"))
{
Stream streamRequest = request.GetRequestStream();
using (BinaryWriter byteWriter = new BinaryWriter(streamRequest)) {
byteWriter.Write(parameter.GetQueryString());
byteWriter.Flush();
byteWriter.Close();
}
}
using (System.Net.HttpWebResponse webresponse = (HttpWebResponse)request.GetResponse()) {
using (System.IO.Stream stream = webresponse.GetResponseStream()) {
if (Regex.IsMatch(requestUrl, @"(\.html$|\.js$|\.xml|\.css|\.txt$)"))
{
using (System.IO.StreamReader reader = new System.IO.StreamReader(stream, System.Text.Encoding.UTF8)) {
string text = reader.ReadToEnd();
response.data = text;
reader.Close();
}
}
else
{
using (System.IO.BinaryReader reader = new System.IO.BinaryReader(stream)) {
response.data = reader.ReadBytes(1024 * 1000 * 10);
reader.Close();
}
}
stream.Close();
}
webresponse.Close();
}
response.status = CommunicationResponse.ResponseStatus.SUCCESS;
response.request = parameter;
return(response);
} catch (WebException we) {
response.data = null;
response.status = CommunicationResponse.ResponseStatus.FAILD;
response.request = parameter;
response.message = we.Message;
Debug.LogError(we.Message);
}
return(response);
}
public override bool CanHandle(CommunicationRequest communicationRequest)
{
var messageTypes = new[]
{
MessageTypes.SendProviderUserEmailVerificationCode,
MessageTypes.ProviderContactUsMessage
};
return messageTypes.Contains(communicationRequest.MessageType);
}
public override async Task GetAllStream(
CommunicationRequest request,
IServerStreamWriter <CommunicationModel> responseStream,
ServerCallContext context)
{
foreach (var model in mockModel)
{
await responseStream.WriteAsync(model);
}
}
public VacancyReferredDomainEventHandlerTests()
{
_mockCommunicationQueueService = new Mock <ICommunicationQueueService>();
_mockCommunicationQueueService.Setup(x => x.AddMessageAsync(It.IsAny <CommunicationRequest>()))
.Returns(Task.CompletedTask)
.Callback <CommunicationRequest>(cr => _sentCommRequest = cr);
_sut = new VacancyReferredDomainEventHandler(Mock.Of <ILogger <VacancyReferredDomainEventHandler> >(),
_mockCommunicationQueueService.Object);
}
public override CommunicationResponse Request(CommunicationRequest parameter)
{
CommunicationResponse response = new CommunicationResponse();
Random random = new System.Random();
int sleepTime = random.Next(500, 4000);
Thread.Sleep(sleepTime);
response.request = parameter;
return(response);
}
public void Send(Guid?userId, MessageTypes messageType, IEnumerable <CommunicationToken> tokens)
{
var request = new CommunicationRequest
{
EntityId = userId,
MessageType = messageType,
Tokens = tokens
};
_messageBus.PublishMessage(request);
}
private void HandleApplicationStatusAlertSmsMessages(
Candidate candidate, string mobileNumber, CommunicationRequest communicationRequest)
{
var applicationStatusAlertsJson = communicationRequest.GetToken(CommunicationTokens.ApplicationStatusAlerts);
var applicationStatusAlerts = string.IsNullOrWhiteSpace(applicationStatusAlertsJson)
? new List <ApplicationStatusAlert>()
: JsonConvert.DeserializeObject <List <ApplicationStatusAlert> >(applicationStatusAlertsJson);
QueueApplicationStatusAlertSmsMessages(candidate, mobileNumber, applicationStatusAlerts);
}
private Task <IEnumerable <CommunicationUser> > GetPotentialRecipientsAsync(CommunicationRequest request)
{
if (!_participantResolvers.ContainsKey(request.ParticipantsResolverName))
{
throw new UnknownRecipientResolverTypeException($"Unable to resolve recipient resolver named '{request.ParticipantsResolverName}'");
}
var resolver = _participantResolvers[request.ParticipantsResolverName];
return(resolver.GetParticipantsAsync(request));
}
public override Task <CommunicationResponse> GetAllChannels(CommunicationRequest request, ServerCallContext context)
{
var model = new CommunicationResponse();
model.Response.AddRange(mockModel);
model.Total = mockModel.Count;
context.Status = new Status(StatusCode.OK, $"ok");
return(Task.FromResult(model));
}
private CommunicationRequest GetVacancyWithdrawnByQaCommunicationRequest(long vacancyReference)
{
var communicationRequest = new CommunicationRequest(
CommunicationConstants.RequestType.VacancyWithdrawnByQa,
CommunicationConstants.ParticipantResolverNames.VacancyParticipantsResolverName,
CommunicationConstants.ServiceName);
communicationRequest.AddEntity(CommunicationConstants.EntityTypes.Vacancy, vacancyReference);
communicationRequest.AddEntity(CommunicationConstants.EntityTypes.ApprenticeshipServiceUrl, vacancyReference);
return(communicationRequest);
}
private Task RequestProviderCommunicationAsync(long ukprn)
{
var communicationRequest = new CommunicationRequest(
CommunicationConstants.RequestType.ProviderBlockedProviderNotification,
CommunicationConstants.ParticipantResolverNames.ProviderParticipantsResolverName,
CommunicationConstants.ServiceName);
communicationRequest.AddEntity(CommunicationConstants.EntityTypes.Provider, ukprn);
communicationRequest.AddEntity(CommunicationConstants.EntityTypes.ApprenticeshipServiceConfig, null);
return(_communicationQueueService.AddMessageAsync(communicationRequest));
}
public async Task GetAllStreams(CommunicationRequest request)
{
using (var call = _communicationGrpcClient.GetAllStream(request))
{
while (await call.ResponseStream.MoveNext())
{
var currentDummyGrpc = call.ResponseStream.Current;
Console.WriteLine($"{ currentDummyGrpc.ChannelId }: { currentDummyGrpc.Channel }");
}
}
}
protected void SendSmsMessage(CommunicationRequest message)
{
var toMobile = message.Tokens.First(t => t.Key == CommunicationTokens.CandidateMobileNumber).Value;
var request = new SmsRequest
{
ToNumber = toMobile,
MessageType = message.MessageType,
Tokens = GetMessageTokens(message),
};
_messageBus.PublishMessage(request);
}
protected void SendEmailMessage(CommunicationRequest message)
{
var toEmail = message.Tokens.First(t => t.Key == CommunicationTokens.RecipientEmailAddress).Value;
var request = new EmailRequest
{
ToEmail = toEmail,
MessageType = message.MessageType,
Tokens = GetMessageTokens(message),
};
_messageBus.PublishMessage(request);
}
protected virtual void HandleSmsMessage(Candidate candidate, CommunicationRequest communicationRequest)
{
var sendMessage = candidate.ShouldSendMessageViaChannel(CommunicationChannels.Sms, communicationRequest.MessageType);
LogSendMessageResult(sendMessage, CommunicationChannels.Sms, candidate, communicationRequest);
if (sendMessage)
{
AddCommonTokens(communicationRequest);
QueueSmsMessage(communicationRequest);
}
}
private CommunicationRequest GetRejectedVacancyCommunicationRequest(long vacancyReference, long?providerUkprn)
{
var communicationRequest = new CommunicationRequest(
CommunicationConstants.RequestType.VacancyRejectedByEmployer,
CommunicationConstants.ParticipantResolverNames.VacancyParticipantsResolverName,
CommunicationConstants.ServiceName);
communicationRequest.AddEntity(CommunicationConstants.EntityTypes.Vacancy, vacancyReference);
communicationRequest.AddEntity(CommunicationConstants.EntityTypes.ApprenticeshipServiceUrl, vacancyReference);
communicationRequest.AddEntity(CommunicationConstants.EntityTypes.Provider, providerUkprn);
return(communicationRequest);
}
public void Send(MessageTypes messageType, IEnumerable <CommunicationToken> tokens)
{
var request = new CommunicationRequest
{
//TODO: Might be an issue nulling this
EntityId = null,
MessageType = messageType,
Tokens = tokens
};
_serviceBus.PublishMessage(request);
}
public static CommunicationRequest GetProviderBlockedEmployerNotificationForLiveVacanciesRequest(long ukprn, string employerAccountId)
{
var communicationRequest = new CommunicationRequest(
CommunicationConstants.RequestType.ProviderBlockedEmployerNotificationForLiveVacancies,
CommunicationConstants.ParticipantResolverNames.EmployerParticipantsResolverName,
CommunicationConstants.ServiceName);
communicationRequest.AddEntity(CommunicationConstants.EntityTypes.Provider, ukprn);
communicationRequest.AddEntity(CommunicationConstants.EntityTypes.Employer, employerAccountId);
communicationRequest.AddEntity(CommunicationConstants.EntityTypes.ApprenticeshipServiceConfig, null);
return(communicationRequest);
}
public udp_req_cpacket(CommunicationRequest request, Mode connectionMode = Mode.Unspecified, int port = -1)
{
this.ConnectionMode = connectionMode;
this.Request = request;
this.port = port;
}
/// <summary>
/// Enqueue communication request and wait for reply.
/// </summary>
///
/// <param name="request">Array of bytes (command) to send to SRV-1 Blackfin robot/camera.</param>
/// <param name="responseBuffer">Buffer to read response into.</param>
///
/// <returns>Returns total bytes read into the response buffer.</returns>
///
/// <remarks><para>The method puts specified command into communication queue and waits until
/// the command is sent to SRV-1 Blackfin robot and reply is received.</para>
///
/// <para><note>If SRV-1 responds with more data than response buffer can fit, then
/// the response buffer will take all the data it can store, but the rest of response
/// will be discarded. The only exception is image request - if response buffer is too
/// small to fit image response, then <see cref="IndexOutOfRangeException"/> exception
/// is thrown. It is user's responsibility to provide response buffer of the correct
/// size. Check definition of the <a href="http://www.surveyor.com/SRV_protocol.html">SRV-1
/// Control Protocol</a> for information about supported commands and responses.</note></para>
/// </remarks>
///
/// <exception cref="NotConnectedException">Not connected to SRV-1.</exception>
/// <exception cref="ConnectionLostException">Connection lost or communicaton failure.</exception>
/// <exception cref="IndexOutOfRangeException">Response buffer is too small.</exception>
///
public int SendAndReceive( byte[] request, byte[] responseBuffer )
{
lock ( sync )
{
if ( socket == null )
{
// handle error
throw new NotConnectedException( "Not connected to SRV-1." );
}
lock ( communicationQueue )
{
communicationQueue.Enqueue( new CommunicationRequest( request, responseBuffer ) );
}
requestIsAvailable.Set( );
// waiting for reply
replyIsAvailable.WaitOne( );
// no reply since we got disconnect request from user - background thread is exiting
if ( lastRequestWithReply == null )
return 0;
// get number of bytes read
int bytesRead = lastRequestWithReply.BytesRead;
// clean the last reply
lastRequestWithReply = null;
if ( bytesRead == -1 )
{
// handle error
throw new ConnectionLostException( "Connection lost or communicaton failure." );
}
if ( bytesRead == -2 )
{
// handle error
throw new IndexOutOfRangeException( "Response buffer is too small." );
}
return bytesRead;
}
}
// Communication thread
private void CommunicationThread( )
{
bool lastRequestFailed = false;
while ( !stopEvent.WaitOne( 0, false ) )
{
// wait for any request
requestIsAvailable.WaitOne( );
while ( !stopEvent.WaitOne( 0, false ) )
{
// get next communication request from queue
CommunicationRequest cr = null;
lock ( communicationQueue )
{
if ( communicationQueue.Count == 0 )
break;
cr = communicationQueue.Dequeue( );
}
try
{
// try to reconnect if we had communication issues on the last request
if ( lastRequestFailed )
{
Reconnect( );
lastRequestFailed = false;
}
if ( cr.Request[0] != (byte) 'I' )
{
// System.Diagnostics.Debug.WriteLine( ">> " +
// System.Text.ASCIIEncoding.ASCII.GetString( cr.Request ) );
}
// send request
socket.Send( cr.Request );
// read response
if ( cr.ResponseBuffer != null )
{
int bytesToRead = Math.Min( readSize, cr.ResponseBuffer.Length );
// receive first portion
cr.BytesRead = socket.Receive( cr.ResponseBuffer, 0, bytesToRead, SocketFlags.None );
// check if response contains image
if ( ( cr.BytesRead > 10 ) &&
( cr.ResponseBuffer[0] == (byte) '#' ) &&
( cr.ResponseBuffer[1] == (byte) '#' ) &&
( cr.ResponseBuffer[2] == (byte) 'I' ) &&
( cr.ResponseBuffer[3] == (byte) 'M' ) &&
( cr.ResponseBuffer[4] == (byte) 'J' ) )
{
// extract image size
int imageSize = System.BitConverter.ToInt32( cr.ResponseBuffer, 6 );
bytesToRead = imageSize + 10 - cr.BytesRead;
if ( bytesToRead > cr.ResponseBuffer.Length - cr.BytesRead )
{
// response buffer is too small
throw new IndexOutOfRangeException( );
}
// read the rest
while ( !stopEvent.WaitOne( 0, false ) )
{
int read = socket.Receive( cr.ResponseBuffer, cr.BytesRead,
Math.Min( readSize, bytesToRead ), SocketFlags.None );
cr.BytesRead += read;
bytesToRead -= read;
if ( bytesToRead == 0 )
break;
}
}
else
{
// commenting check for new line presence, because not all replies
// which start with '##' have new line in the end.
// this SRV-1 text based protocol drives me crazy.
/*
if ( ( cr.BytesRead >= 2 ) &&
( cr.ResponseBuffer[0] == (byte) '#' ) &&
( cr.ResponseBuffer[1] == (byte) '#' ) )
{
int bytesChecked = 2;
while ( cr.BytesRead != cr.ResponseBuffer.Length )
{
// ensure we got end of line for variable length replies
bool endLineWasFound = false;
for ( int n = cr.BytesRead - 1; bytesChecked < n; bytesChecked++ )
{
if ( ( ( cr.ResponseBuffer[bytesChecked] == '\n' ) &&
( cr.ResponseBuffer[bytesChecked + 1] == '\r' ) ) ||
( ( cr.ResponseBuffer[bytesChecked] == '\r' ) &&
( cr.ResponseBuffer[bytesChecked + 1] == '\n' ) ) )
{
endLineWasFound = true;
break;
}
}
if ( ( endLineWasFound ) || stopEvent.WaitOne( 0, false ) )
break;
// read more
bytesToRead = Math.Min( readSize, cr.ResponseBuffer.Length - cr.BytesRead );
cr.BytesRead += socket.Receive( cr.ResponseBuffer, cr.BytesRead,
bytesToRead, SocketFlags.None );
}
}
*/
}
// check if there is still something to read
// because of small buffer given by user
if ( socket.Available != 0 )
{
DiscardIncomingData( socket, stopEvent );
}
// System.Diagnostics.Debug.WriteLine( "<< (" + cr.BytesRead + ") " +
// System.Text.ASCIIEncoding.ASCII.GetString( cr.ResponseBuffer, 0, Math.Min( 5, cr.BytesRead ) ) );
}
else
{
// read reply and throw it away, since nobody wants it
DiscardIncomingData( socket, stopEvent );
}
}
catch ( IndexOutOfRangeException )
{
cr.BytesRead = -2; // too small buffer
}
catch
{
if ( lastRequestFailed )
{
// wait a bit if we have 2 consequent failures
Thread.Sleep( 500 );
}
lastRequestFailed = true;
cr.BytesRead = -1; // communication failure
}
finally
{
// signal about available response to the waiting caller
if ( ( stopEvent != null ) && ( !stopEvent.WaitOne( 0, false ) ) && ( cr.ResponseBuffer != null ) )
{
lastRequestWithReply = cr;
replyIsAvailable.Set( );
}
}
}
}
}
