public async Task <Enrollment> EnrollCourseAsync(Enrollment enrollment)
{
DbEnrollment dbEnrollment = _mapper.Map <DbEnrollment>(enrollment);
return(_mapper.Map <Enrollment>(
await _enrollmentRepository.EnrollCourseAsync(dbEnrollment)
));
}
public DbEnrollment Subscribe(string userId, string courseId, DateTime studyDate)
{
var enrollment = new DbEnrollment
{
UserId = userId,
CourseId = courseId,
StudyDate = studyDate
};
context.Enrollments.Add(enrollment);
context.SaveChanges();
return(enrollment);
}
private async Task <bool> CreateNotificationEmailsAsync(DbEnrollment enrollment)
{
var user = enrollment.User;
var course = enrollment.Course;
var studyDate = enrollment.StudyDate;
var notificationDays = new DateTime[] {
studyDate.AddMonths(-1),
studyDate.AddDays(-7),
studyDate.AddDays(-1)
};
var body = await emailService.GetNotificationTemplateAsync(course.Name, studyDate.GetDaysToStudy());
if (body == null)
{
return(false);
}
BackgroundJob.Enqueue(() => emailService.SendEmail(user.Email, "Notification", body));
for (int i = 0; i < notificationDays.Length; i++)
{
if (notificationDays[i] > DateTime.UtcNow)
{
var arrayDate = new int[] { 30, 7, 1 };
body = await emailService.GetNotificationTemplateAsync(course.Name, arrayDate[i]);
if (body == null)
{
return(false);
}
var jobId = BackgroundJob.Schedule(
() => emailService.SendEmail(user.Email, "Notification", body),
notificationDays[i]);
DbNotification notification = new DbNotification
{
EnrollmentId = enrollment.Id,
HangfireJobId = jobId
};
context.Notifications.Add(notification);
context.SaveChanges();
}
}
return(true);
}
public void DeleteNotifications(DbEnrollment enrollment)
{
if (enrollment != null)
{
var notifications = context.Notifications.Where(e => e.EnrollmentId == enrollment.Id);
if (notifications.Count() != 0)
{
foreach (var notification in notifications)
{
BackgroundJob.Delete(notification.HangfireJobId);
context.Notifications.Remove(notification);
}
}
context.SaveChanges();
}
}
public void Unsubscribe(DbEnrollment enrollment)
{
context.Enrollments.Remove(enrollment);
context.SaveChanges();
}
public bool CreateNotificationEmails(DbEnrollment enrollment) => CreateNotificationEmailsAsync(enrollment).Result;
