/// <summary>
/// Sends checking signal to Customer's vehicle and enqueue the result using RabbitMQ.
/// </summary>
/// <param name="cid">Customer Id</param>
public List <VehicleTransModel> PingVehiclesInQueue(int cid)
{
try
{
var vehicleTransList = new List <VehicleTransModel>();
// 1- ping vehicles of this customer/all and get signal statuses back.
var vehiclesSignalStatuses =
cid != 0
? _vehicleContextRepo.GetAll().Where(v => v.CustomerId != null && v.CustomerId == cid)
: _vehicleContextRepo.GetAll().Where(v => v.CustomerId != null);
// 2- post to DB.
foreach (var v in vehiclesSignalStatuses)
{
var vse = _genericsConnectionStatusRepo.GenerateSignal();
_genericsVehicleTransDbContextRepo.Add(new VehicleStatusTrans
{
PingTime = DateTime.Now,
Status = vse.ToString(),
VehicleId = v.Id
});
_genericsVehicleTransDbContextRepo.SaveChanges();
vehicleTransList.Add(new VehicleTransModel
{
VehicleId = v.Id,
VehicleCode = v.Code,
VehicleRegistrationNumber = v.RegNumber,
CustomerId = v.CustomerId,
CustomerName = _genericsCustomerDbContextRepo.Find(v.CustomerId).Name,
Status = vse.ToString()
});
}
// Publish list to EventBus queue.
_serviceBusQueue.Publish("Customer_VehicleStatusTrans", vehicleTransList);
return(vehicleTransList);
}
catch (NullReferenceException nullExp)
{
_logger.Log(LogLevel.Error, nullExp.Message, nullExp.Source);
throw;
}
catch (ObjectDisposedException objectDisponseExp)
{
_logger.Log(LogLevel.Error, objectDisponseExp.Message, objectDisponseExp.Source);
throw;
}
catch (NotSupportedException notSuppExp)
{
_logger.Log(LogLevel.Error, notSuppExp.Message, notSuppExp.Source);
throw;
}
catch (Exception exp)
{
_logger.Log(LogLevel.Error, exp.Message, exp.Source);
throw;
}
}
public IEnumerable <GetCourseStudentTeacherModel> GetDetails()
{
var courses = _courseDbContext.GetAll();
if (courses == null || courses.Any() == false)
{
return(null);
}
var result = new List <GetCourseStudentTeacherModel>();
foreach (var c in courses)
{
var currentResult = new GetCourseStudentTeacherModel()
{
Course = GetCourses(c),
Students = GetStudents(c),
Teachers = GetTeachers(c)
};
if (currentResult != null)
{
result.Add(currentResult);
}
}
return(result);
}
public IEnumerable <GetCourseStudentSummaryModel> GetList()
{
var courses = _courseDbContext.GetAll();
if (courses == null || courses.Any() == false)
{
return(null);
}
var result = (from c in courses
select new GetCourseStudentSummaryModel()
{
CourseID = c.Id,
CourseName = c.Name,
AssignedStudentsCount = c.CourseStudents != null ? c.CourseStudents.Count() : 0,
StudentMaxAge = c.CourseStudents != null && c.CourseStudents.Any() ? c.CourseStudents.Select(s => s.Student.Age).Max() : 0,
StudentMinAge = c.CourseStudents != null && c.CourseStudents.Any() ? c.CourseStudents.Select(s => s.Student.Age).Min() : 0,
TotalCapacity = c.Capacity
}).ToList();
return(result);
}
