private async Task <Models.Entities.Census> ResolveLearningProviderAsync <TContext>(ResolveFieldContext <TContext> context)
{
var entityId = BuildLearningProviderEntityId(context);
try
{
return(await ResolveEntitiesAsync(new[] { entityId }, context));
}
catch (Exception ex)
{
_logger.Error($"Error resolving census for {entityId}: {ex.Message}", ex);
throw;
}
}
private async Task FireEvent <TE>(IEventHandler <TE> handler, TE e, ICommand c) where TE : IEvent
{
try
{
if (DungeonGlobalConfiguration.EventTrace)
{
loggerWrapper.BeforeEventInvoke(e, handler);
}
await handler.Handle(e, c);
if (DungeonGlobalConfiguration.EventTrace)
{
loggerWrapper.AfterEventInvoke(e, handler);
}
}
catch (Exception ex)
{
if (DungeonGlobalConfiguration.EventTrace)
{
loggerWrapper.OnEventInvokeError(e, handler, ex);
}
loggerWrapper.Error(ex.ToString());
}
}
public async Task <Models.Entities.ManagementGroup> ResolveAsync <TContext>(ResolveFieldContext <TContext> context)
{
try
{
if (context.Source is Models.Entities.LearningProvider learningProvider)
{
if (_accessor == null)
{
throw new Exception("_accessor null");
}
if (_loader == null)
{
throw new Exception("_loader null");
}
LearningProviderPointer pointer;
if (learningProvider.Urn.HasValue)
{
pointer = new LearningProviderPointer
{
SourceSystemName = SourceSystemNames.GetInformationAboutSchools,
SourceSystemId = learningProvider.Urn.Value.ToString(),
};
}
else if (learningProvider.Ukprn.HasValue)
{
pointer = new LearningProviderPointer
{
SourceSystemName = SourceSystemNames.UkRegisterOfLearningProviders,
SourceSystemId = learningProvider.Ukprn.Value.ToString(),
};
}
else
{
return(null);
}
pointer.Fields = GetRequestedFields(context);
pointer.PointInTime = GetPointInTime(context);
var loader = _accessor.Context.GetOrAddBatchLoader <LearningProviderPointer, ManagementGroup>(
"GetLearningProviderManagementGroup", _loader.LoadAsync);
return(await loader.LoadAsync(pointer));
}
return(null);
}
catch (InvalidRequestException ex)
{
_logger.Info($"Invalid request when resolving management group - {ex.ErrorIdentifier} - {ex.Message}", ex);
context.Errors.AddRange(
ex.Details.Select(detailsMessage => new ExecutionError(detailsMessage)));
return(null);
}
catch (Exception ex)
{
_logger.Error($"Error resolving management group", ex);
throw;
}
}
public async Task <LearningProviderRates> ResolveAsync <TContext>(ResolveFieldContext <TContext> context)
{
var entityId = BuildEntityId(context);
try
{
var request = new LoadLearningProviderRatesRequest
{
EntityReferences = new[]
{
new AggregateEntityReference
{
AdapterRecordReferences = new[]
{
new EntityReference
{
SourceSystemId = entityId,
SourceSystemName = SourceSystemNames.Rates,
},
}
},
},
Live = _executionContextManager.GraphExecutionContext.QueryLive,
};
var rates = await _entityRepository.LoadLearningProviderRatesAsync(request, context.CancellationToken);
return(rates.SquashedEntityResults.FirstOrDefault()?.SquashedEntity);
}
catch (Exception ex)
{
_logger.Error($"Error resolving rates for {entityId}: {ex.Message}", ex);
throw;
}
}
public void Receive(Func <Student, MessageProcessResponse> onProcess,
Action <Exception> onError,
Action onWait)
{
var options = new MessageHandlerOptions(e => {
LogError(e.Exception);
return(Task.CompletedTask);
})
{
AutoComplete = false,
MaxAutoRenewDuration = TimeSpan.FromMinutes(1)
};
_queueClient.RegisterMessageHandler(
async(message, token) => {
try {
var data = Encoding.UTF8.GetString(message.Body);
Console.WriteLine($"Received message: SequenceNumber:{message.SystemProperties.SequenceNumber} Body:{data}");
var student = JsonConvert.DeserializeObject <Student>(data);
var result = onProcess(student);
if (result == MessageProcessResponse.Complete)
{
await _queueClient.CompleteAsync(message.SystemProperties.LockToken);
}
else if (result == MessageProcessResponse.Abandon)
{
await _queueClient.AbandonAsync(message.SystemProperties.LockToken);
}
else if (result == MessageProcessResponse.Dead)
{
await _queueClient.DeadLetterAsync(message.SystemProperties.LockToken);
}
onWait();
} catch (Exception ex) {
_logger.Error($"Error: {ex.Message}");
await _queueClient.DeadLetterAsync(message.SystemProperties.LockToken);
onError(ex);
}
}, options);
}
public override void OnException(ExceptionContext context)
{
_logger.Error(context.HttpContext.TraceIdentifier, context.Exception.Message, context.Exception.StackTrace);
context.Result = new JsonResult(new
{
StatusCode = 500,
Message = $"Internal Server Error from the custom middleware. Exception message: '{context.Exception.Message}'"
});
}
public async Task <IActionResult> RunAsync(
[HttpTrigger(AuthorizationLevel.Function, "post", Route = "entities/links")]
HttpRequest req,
CancellationToken cancellationToken)
{
_executionContextManager.SetContext(req.Headers);
_logger.Info($"Start processing retrieval of batch entity links...");
var requestJson = await req.ReadAsStringAsync();
var request = JsonConvert.DeserializeObject <EntityLinksRequest>(requestJson);
foreach (var entityPointer in request.Entities)
{
entityPointer.EntityType = EntityNameTranslator.Singularise(entityPointer.EntityType);
}
var entities = await _searchAndRetrieveManager.RetrieveBatchAsync(request.Entities, request.PointInTime ?? DateTime.Now, cancellationToken);
var results = request.Entities.Select(requestedPointer =>
{
var registeredEntities = entities.Where(re =>
re.Entities.Any(e =>
e.EntityType.Equals(requestedPointer.EntityType, StringComparison.InvariantCultureIgnoreCase) &&
e.SourceSystemName.Equals(requestedPointer.SourceSystemName, StringComparison.InvariantCultureIgnoreCase) &&
e.SourceSystemId.Equals(requestedPointer.SourceSystemId, StringComparison.InvariantCultureIgnoreCase)))
.ToArray();
if (registeredEntities.Length > 1)
{
var resultIds = registeredEntities.Select(x => x.Id).Aggregate((x, y) => $"{x}, {y}");
var exceptionMessage = $"Expected zero or one result for entity {requestedPointer} when getting links, however found {registeredEntities.Length}. " +
$"The results ids are: {resultIds}";
_logger.Error(exceptionMessage);
throw new Exception(exceptionMessage);
}
return(new EntityLinksResult
{
Entity = requestedPointer,
Links = registeredEntities.SingleOrDefault()?.Links,
});
}).ToArray();
return(new FormattedJsonResult(new EntityLinksResponse
{
Entities = results,
}));
}
public async Task <ManagementGroupsPagedModel> ResolveAsync <TContext>(ResolveFieldContext <TContext> context)
{
try
{
var resultSet = await SearchAsync(context, context.CancellationToken);
var references = resultSet.Results.Select(d =>
new AggregateEntityReference {
AdapterRecordReferences = d.Entities
})
.ToArray();
var fields = GetRequestedFields(context);
var entities = await LoadAsync(references, context.Arguments, fields, context.CancellationToken);
return(new ManagementGroupsPagedModel
{
Results = entities,
Pagination = new PaginationDetailsModel
{
Skipped = resultSet.Skipped,
Taken = resultSet.Taken,
TotalNumberOfRecords = resultSet.TotalNumberOfRecords,
}
});
}
catch (InvalidRequestException ex)
{
_logger.Info($"Invalid request when resolving management groups - {ex.ErrorIdentifier} - {ex.Message}", ex);
context.Errors.AddRange(
ex.Details.Select(detailsMessage => new ExecutionError(detailsMessage)));
return(null);
}
catch (Exception ex)
{
_logger.Error($"Error resolving management groups", ex);
throw;
}
}
public void Init()
{
_receiver.Receive(student => {
_logger.Info("Saving message");
if (!student.Course.HasVacancy)
{
_emailService.SendEmail($"Mr/Ms {student.Name} your Subscription was denided the course has no more vacancies.");
return(MessageProcessResponse.Complete);
}
_service.SaveAsync(student).Wait();
_emailService.SendEmail($"Mr/Ms {student.Name} your Subscription was Successful!");
var course = student.Course;
_service.UpdateCourseInformations(course);
return(MessageProcessResponse.Complete);
}, ex => {
_logger.Error($"Error: {ex.Message}");
}, () => { });
}
public async Task <LearningProvider> ResolveAsync <TContext>(ResolveFieldContext <TContext> context)
{
try
{
var reference = await SearchAsync(context.Arguments, context.CancellationToken);
if (reference == null)
{
return(null);
}
_logger.Info($"Found reference {reference}");
var fields = GetRequestedFields(context);
var entity = await LoadAsync(reference, context.Arguments, fields, context.CancellationToken);
return(entity);
}
catch (ResolverException ex)
{
_logger.Info($"Request issue resolving learning provider", ex);
context.Errors.Add(new ExecutionError(ex.Message));
return(null);
}
catch (InvalidRequestException ex)
{
_logger.Info($"Invalid request when resolving learning provider - {ex.ErrorIdentifier} - {ex.Message}", ex);
context.Errors.AddRange(
ex.Details.Select(detailsMessage => new ExecutionError(detailsMessage)));
return(null);
}
catch (Exception ex)
{
_logger.Error($"Error resolving learning provider", ex);
throw;
}
}
