public static Enrollment CreateNewEnrollment(Course course, ApplicationUser user, ApplicationDbContext context)
{
var passedDate = DateTime.Parse("1900-1-1");
var newEnrollment = new Enrollment
{
ApplicationUser = user,
PassedDate=passedDate,
Course= course,
EnrollmentDate = DateTime.UtcNow
};
context.Enrollments.Add(newEnrollment);
try
{
context.SaveChanges();
}
catch (DbEntityValidationException e)
{
foreach (var eve in e.EntityValidationErrors)
{
Debug.Print("Entity of type \"{0}\" in state \"{1}\" has the following validation errors:",
eve.Entry.Entity.GetType().Name, eve.Entry.State);
foreach (var ve in eve.ValidationErrors)
{
Debug.Print("- Property: \"{0}\", Error: \"{1}\"",
ve.PropertyName, ve.ErrorMessage);
}
}
throw;
}
CreateScoRecordsForCourse(newEnrollment, context);
return newEnrollment;
}
public void AddToCart(Course cohort)
{
// Get the matching cart and Product instances
var cartItem = _db.Carts.SingleOrDefault(
c => c.CartId == ShoppingCartId
&& c.CourseId == cohort.Id);
if (cartItem == null)
{
// Create a new cart item if no cart item exists
cartItem = new Cart
{
CourseId = cohort.Id,
CartId = ShoppingCartId,
Count = 1,
DateCreated = DateTime.Now
};
_db.Carts.Add(cartItem);
}
else
{
// If the item does exist in the cart,
// then add one to the quantity
cartItem.Count++;
}
// Save changes
_db.SaveChanges();
}
public async Task<ActionResult> CreateCourse([Bind(Include = "Id,Title,MaxEnrollments,CourseTemplateId,Note,OverView,Price,IsLive")] CreateCohortViewModel form)
{
if (ModelState.IsValid)
{
var courseTemplate = await _context.CourseTemplates.FindAsync(form.CourseTemplateId);
var course = new Course
{
Title = courseTemplate.Title,
MaxEnrollments = form.MaxEnrollments,
CourseTemplateId = form.CourseTemplateId,
OverView = form.OverView,
Price = form.Price,
IsLive = form.IsLive,
};
_context.Courses.Add(course);
await _context.SaveChangesAsync();
var newCourseId = course.Id;
var newCourseTemplateId = course.CourseTemplateId;
var courseTemplateResources =
_context.CourseTemplateResources.Where(r => r.CourseId == newCourseTemplateId);
//Add the resources associated with the template
foreach (var resource in courseTemplateResources)
{
var courseResource = new CourseResource
{
CourseId = newCourseId,
ResourceId = resource.ResourceId
};
_context.CourseResources.Add(courseResource);
}
await _context.SaveChangesAsync();
return RedirectToAction("Index");
}
ViewBag.Courseid = new SelectList(_context.Products, "Id", "Title");
return View(form);
}
public async Task<ActionResult> CreateCohort([Bind(Include = "Id,Title,MaxEnrollments,CourseTemplateId,Note,OverView,Price,IsLive")] CreateCohortViewModel form)
{
//form.Title = "";
if (ModelState.IsValid)
{
var cohort = new Course
{
Title = form.Title,
MaxEnrollments = form.MaxEnrollments,
CourseTemplateId = form.CourseTemplateId,
OverView = form.OverView,
Price = form.Price,
IsLive = form.IsLive,
};
_context.Courses.Add(cohort);
await _context.SaveChangesAsync();
return RedirectToAction("Index");
}
ViewBag.Courseid = new SelectList(_context.Products, "Id", "Title");
return View(form);
}
public async Task<ActionResult> CreateCourse([Bind(Include = "Id,Title,MaxEnrollments,CourseTemplateId,Note,OverView,Price,IsLive")] CreateCohortViewModel form)
{
if (ModelState.IsValid)
{
var courseTemplate = await _context.CourseTemplates.FindAsync(form.CourseTemplateId);
var course = new Course
{
Title = courseTemplate.Title,
OverView = courseTemplate.OverView,
Note = courseTemplate.Note,
MaxEnrollments = form.MaxEnrollments,
CourseTemplateId = form.CourseTemplateId,
Price = form.Price,
IsLive = form.IsLive,
};
_context.Courses.Add(course);
try
{
await _context.SaveChangesAsync();
}
catch (System.Data.Entity.Validation.DbEntityValidationException dbEx)
{
Exception raise = dbEx;
foreach (var validationErrors in dbEx.EntityValidationErrors)
{
foreach (var validationError in validationErrors.ValidationErrors)
{
string errorMessage = string.Format("{0}:{1}",
validationErrors.Entry.Entity.ToString(),
validationError.ErrorMessage);
// raise a new exception nesting
// the current instance as InnerException
raise = new InvalidOperationException(errorMessage, raise);
}
}
throw raise;
}
var newCourseId = course.Id;
var newCourseTemplateId = course.CourseTemplateId;
var courseTemplateResources =
_context.CourseTemplateResources.Where(r => r.CourseTemplateId == newCourseTemplateId);
//Add the resources associated with the template
foreach (var resource in courseTemplateResources)
{
var courseResource = new CourseResource
{
CourseId = newCourseId,
ResourceId = resource.ResourceId
};
_context.CourseResources.Add(courseResource);
}
await _context.SaveChangesAsync();
return RedirectToAction("Index");
}
ViewBag.Courseid = new SelectList(_context.Products, "Id", "Title");
return View(form);
}
public static string GetCourseTitle(Course course)
{
string courseTitle;
if (course != null)
{
const int abbreviationLength = 25;
var titleLength = course.Title.Length;
if (titleLength > abbreviationLength)
{
courseTitle = course.Title.Substring(0, abbreviationLength) + "...";
}
else
{
courseTitle = course.Title;
}
}
else
{
courseTitle = "Unspecified Course";
}
return courseTitle;
}
public static void SendMeetingNotifications(Course course, Meeting meetingBooked, IEmailService emailService,
ApplicationDbContext context, ApplicationUser instructor)
{
var enrollments = context.Enrollments.Include("ApplicationUser").Where(e => e.CourseId == course.Id);
foreach (var enrollment in enrollments)
{
try
{
var bodyText = GenerateBodyText(meetingBooked, course.Title, enrollment.ApplicationUser, instructor);
var confirmationEmailMessage = BuildEmailMessage(enrollment.ApplicationUser, meetingBooked.Title,
bodyText);
emailService.SendAsync(confirmationEmailMessage);
var logMessage = "Notice of meeting for " + course.Title + " - " + meetingBooked.Title + " sent to " +
enrollment.ApplicationUser.FullName;
Log4NetHelper.Log("logMessage", LogLevel.INFO, "MeetingService", 133,
meetingBooked.Instructor.FullName, null);
}
catch (Exception ex)
{
Log4NetHelper.Log("Send Student Message Failed - ", LogLevel.ERROR, "ManageMeetings", 342, "Tester",
ex);
}
}
}
