/// <summary>
/// Invokes the NewSession business operation.
/// </summary>
private async Task<NewSessionBusinessResponse> InvokeNewSession(IDatabaseConnection databaseConnection, SessionResource resource)
{
try
{
// Build the NewSession business request.
NewSessionBusinessRequest newSessionBusinessRequest = new NewSessionBusinessRequest();
// Build the Session business request element.
if (resource.Session != null)
{
NewSessionBusinessRequest.SessionBusinessRequestElement sessionBusinessRequestElement = new NewSessionBusinessRequest.SessionBusinessRequestElement();
sessionBusinessRequestElement.Name = resource.Session.Name;
sessionBusinessRequestElement.StartDate = resource.Session.StartDate;
newSessionBusinessRequest.Session = sessionBusinessRequestElement;
}
// Invoke the NewSession business operation.
NewSessionBusinessResponse newSessionBusinessResponse = await this.schedulingBusinessLogicComponent.NewSession(databaseConnection, newSessionBusinessRequest);
// The business operation succeeded.
return newSessionBusinessResponse;
}
catch (NewSessionBusinessException newSessionBusinessException)
{
// Wrap the NewSession business exception into a service exception.
ServiceException serviceException = ServiceExceptionBuilder.BuildServiceException(
"SchedulingServiceComponent.SessionsController.Post()",
newSessionBusinessException,
newSessionBusinessException.Errors.Select(error => error.ErrorCode.ToString()).ToArray(),
newSessionBusinessException.Errors.Select(error => error.ErroneousValue).ToArray());
// Throw the service exception.
throw serviceException;
}
}
/// <summary>
/// Executes the HTTP POST method.
/// </summary>
public async Task<HttpResponseMessage> Post(SessionResource resource)
{
// Make sure the resource is valid.
bool resourceIsNull = resource == null;
bool resourceIsInvalid = this.ModelState.IsValid == false;
if (resourceIsNull || resourceIsInvalid)
{
HttpResponseMessage httpResponseMessage = new HttpResponseMessage(HttpStatusCode.BadRequest);
HttpResponseException httpResponseException = new HttpResponseException(httpResponseMessage);
throw httpResponseException;
}
// Open a database connection and begin a database transaction.
using (IDatabaseConnection databaseConnection = await this.databaseConnectionProvider.OpenDatabaseConnection())
using (IDatabaseTransaction databaseTransaction = databaseConnection.BeginDatabaseTransaction())
{
// Invoke the NewSession business operation.
NewSessionBusinessResponse newSessionBusinessResponse = await this.InvokeNewSession(databaseConnection, resource);
// Update the Session resource element.
if (resource.Session != null)
{
resource.Session.SessionCode = newSessionBusinessResponse.Session.SessionCode;
}
// Commit the database transaction.
databaseTransaction.Commit();
// Build an HTTP response message.
HttpResponseMessage httpResponseMessage = this.Request.CreateResponse(HttpStatusCode.Created, resource);
return httpResponseMessage;
}
}
/// <summary>
/// Executes the HTTP GET method.
/// </summary>
public async Task<HttpResponseMessage> Get()
{
// Open a database connection and begin a database transaction.
using (IDatabaseConnection databaseConnection = await this.databaseConnectionProvider.OpenDatabaseConnection())
using (IDatabaseTransaction databaseTransaction = databaseConnection.BeginDatabaseTransaction())
{
// Invoke the GetSessions business operation.
GetSessionsBusinessResponse getSessionsBusinessResponse = await this.InvokeGetSessions(databaseConnection);
// Build the Session resources.
List<SessionResource> sessionResources = new List<SessionResource>();
foreach (GetSessionsBusinessResponse.SessionBusinessResponseElement sessionBusinessResponseElement in getSessionsBusinessResponse.Sessions)
{
// Build the Session resource.
SessionResource sessionResource = new SessionResource();
sessionResources.Add(sessionResource);
// Build the Session resource element.
SessionResource.SessionResourceElement sessionResourceElement = new SessionResource.SessionResourceElement();
sessionResourceElement.SessionCode = sessionBusinessResponseElement.SessionCode;
sessionResourceElement.Name = sessionBusinessResponseElement.Name;
sessionResourceElement.StartDate = sessionBusinessResponseElement.StartDate;
sessionResource.Session = sessionResourceElement;
}
// Commit the database transaction.
databaseTransaction.Commit();
// Return an HTTP response message.
HttpResponseMessage httpResponseMessage = this.Request.CreateResponse(HttpStatusCode.OK, sessionResources.ToArray());
return httpResponseMessage;
}
}
