/// <summary>
/// Executes the HTTP POST method.
/// </summary>
public async Task<HttpResponseMessage> Post(CourseScheduleResource 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 NewCourseSchedule business operation.
NewCourseScheduleBusinessResponse newCourseScheduleBusinessResponse = await this.InvokeNewCourseSchedule(databaseConnection, resource);
// Update the CourseSchedule resource element.
if (resource.CourseSchedule != null)
{
resource.CourseSchedule.CourseScheduleCode = newCourseScheduleBusinessResponse.CourseSchedule.CourseScheduleCode;
}
// Commit the database transaction.
databaseTransaction.Commit();
// Build the HTTP response message.
HttpResponseMessage httpResponseMessage = this.Request.CreateResponse(HttpStatusCode.Created, resource);
return httpResponseMessage;
}
}
/// <summary>
/// Invokes the NewCourseSchedule business operation.
/// </summary>
private async Task<NewCourseScheduleBusinessResponse> InvokeNewCourseSchedule(IDatabaseConnection databaseConnection, CourseScheduleResource resource)
{
try
{
// Build the NewCourseSchedule business request.
NewCourseScheduleBusinessRequest newCourseScheduleBusinessRequest = new NewCourseScheduleBusinessRequest();
// Build the Session business request element.
if (resource.Session != null)
{
NewCourseScheduleBusinessRequest.SessionBusinessRequestElement sessionBusinessRequestElement = new NewCourseScheduleBusinessRequest.SessionBusinessRequestElement();
sessionBusinessRequestElement.SessionCode = resource.Session.SessionCode;
newCourseScheduleBusinessRequest.Session = sessionBusinessRequestElement;
}
// Build the CourseSchedule business request element.
if (resource.CourseSchedule != null)
{
NewCourseScheduleBusinessRequest.CourseScheduleBusinessRequestElement courseScheduleBusinessRequestElement = new NewCourseScheduleBusinessRequest.CourseScheduleBusinessRequestElement();
courseScheduleBusinessRequestElement.DayOfWeek = resource.CourseSchedule.DayOfWeek;
courseScheduleBusinessRequestElement.Time = resource.CourseSchedule.Time;
newCourseScheduleBusinessRequest.CourseSchedule = courseScheduleBusinessRequestElement;
}
// Invoke the NewCourseSchedule business operation.
NewCourseScheduleBusinessResponse newCourseScheduleBusinessResponse = await this.schedulingBusinessLogicComponent.NewCourseSchedule(databaseConnection, newCourseScheduleBusinessRequest);
// The business operation succeeded.
return newCourseScheduleBusinessResponse;
}
catch (NewCourseScheduleBusinessException newCourseScheduleBusinessException)
{
// Wrap the NewCourseSchedule business exception into a service exception.
ServiceException serviceException = ServiceExceptionBuilder.BuildServiceException(
"SchedulingServiceComponent.CourseSchedulesController.Post()",
newCourseScheduleBusinessException,
newCourseScheduleBusinessException.Errors.Select(error => error.ErrorCode.ToString()).ToArray(),
newCourseScheduleBusinessException.Errors.Select(error => error.ErroneousValue).ToArray());
// Throw the service exception.
throw serviceException;
}
}
