/// <summary>
/// Check how many lectures a student missed and send him a message if there are more than 3 passes
/// </summary>
/// <param name="lectureId">Last lecture id at course</param>
/// <param name="messageSenderService"></param>
/// <returns>Task</returns>
public async Task CheckNumberOfStudentsLecturesMissed(int lectureId, IMessageSenderService messageSenderService)
{
if (messageSenderService == null)
{
throw new EntityNullException(nameof(messageSenderService));
}
var lecture = await _unitOfWork.Lectures.GetLectureWithStudentsById(lectureId);
if (lecture == null)
{
throw new EntityNotFoundException($"Lecture with {lectureId} id doesn't exist in database");
}
var lecturer = await GetLecturerOfLecture(lectureId);
foreach (var student in lecture.StudentLectures)
{
// There is no need to send a message to the student if he is in class
if (student.Attendance == false)
{
var countOfMissedLectures = await GetNumberOfStudentLecturesMissed(student.StudentId, lecture.CourseId);
if (countOfMissedLectures > 3)
{
_logger.LogInformation(DateTime.Now + $"\nStudent with {student.StudentId} id has missed more than 3 lecture, sending mail to student and lecturer email");
messageSenderService.Send("You have missed more than 3 lectures", student.Student.Email);
messageSenderService.Send($"Student {student.Student.Name} has missed more than 3 lectures", lecturer.Email);
}
}
}
}
/// <summary>
/// Send a reset email for the user password.
/// </summary>
/// <param name="siteAddress">Site address</param>
/// <param name="userNameOrEmail">User name or Email address</param>
/// <returns>Token generated</returns>
public string SendResetPasswordEmail(int siteAddressId, string userName)
{
User u = FindUser(siteAddressId, userName);
string token = CreateResetPasswordToken(siteAddressId, userName);
IMessage m = new Message {
Body = string.Format("Your token is: {0}.", token), Subject = "Subject"
};
_messageSenderService.Send(m, u.ToUserInfo());
return(token);
}
private async void Job()
{
try
{
var messageJob = _messageJobFactory.GetStreamsMessageJob();
var messages = await messageJob.Invoke();
if (messages == null)
{
return;
}
foreach (var message in messages)
{
if (string.IsNullOrWhiteSpace(message))
{
continue;
}
_logger.LogInformation($"LiveStreamsMessage: {message}");
await _messageSender.Send(message);
}
}
catch (Exception ex)
{
_logger.LogCritical($"Unhandled Exception; {ex}");
}
}
/// <summary>
/// Check the student average grade for the course and send message, if it lower than four
/// </summary>
/// <param name="studentId">Student Id</param>
/// <param name="courseId">Course Id</param>
/// <param name="messageSenderService">Message sender</param>
/// <returns>Task</returns>
public async Task CheckAverageMark(int studentId, int courseId, IMessageSenderService messageSenderService)
{
if (messageSenderService == null)
{
throw new EntityNullException(nameof(messageSenderService));
}
var student = await _unitOfWork.Students.GetByIdAsync(studentId);
if (student == null)
{
throw new EntityNotFoundException($"Student with {studentId} id doesn't exist in database");
}
var course = await _unitOfWork.Courses.GetByIdAsync(courseId);
if (student == null)
{
throw new EntityNotFoundException($"Course with {courseId} id doesn't exist in database");
}
var averageMark = await GetAverageMark(studentId, courseId);
if (averageMark < 4)
{
_logger.LogInformation(DateTime.Now
+ $"\nStudent's mark with {studentId} id is lower than 4 at course {course.Name}, sending message to student");
messageSenderService.Send($"Your {course.Name}'s mark is lower than 4", student.Mobile);
}
}
private void SendConfirmationToken(User u)
{
var data = new ActivateData
{
ConfirmUrl = string.Format(@"/Validation/ConfirmEmail/default.aspx?token={0}", HttpUtility.UrlEncode(CreateUserConfirmationToken(u))),
FullName = string.Format("{0} {1}", u.FirstName, u.LastName)
};
var template = new FileMessageTemplate {
Discriminator = "activate", Owner = u.ToUserInfo()
};
template.SystemData = data;
_messageSenderService.Send(template, u.ToUserInfo());
}
private async void Job()
{
try
{
var action = _messageJobFactory.GetJob();
var message = await action.Invoke();
if (message == null)
{
return;
}
_logger.LogInformation($"Message to send: {message}");
await _messageSender.Send(message);
}
catch (Exception ex)
{
_logger.LogCritical($"Unhandled Exception; {ex}");
}
}
