public IActionResult UpdateCoursePayment([FromBody] StudentCourseUpdatePaymentDTO updatePaymentDTO)
{
try
{
if (ModelState.IsValid)
{
var result = repository.UpdateCoursePayment(updatePaymentDTO);
if (result == 1)
{
return(Ok(new { Message = "Payment successful!" }));
}
else if (result == 3)
{
return(NotFound(new { Message = "Error: Course not found!" }));
}
else if (result == 4)
{
return(Conflict(new { Message = "Payment for this course has already been completed." }));
}
else if (result == 5)
{
return(Conflict(new { Message = "Unable to process request. You have either cancelled the course or request has been rejeted by mentor." }));
}
return(BadRequest(new { Message = "An error occurred while processing payment. Please try again later." }));
}
return(BadRequest(new { Message = "Invalid action. Try again." }));
}
catch (Exception e)
{
return(BadRequest(new { Message = "Internal server error.", error = e.InnerException }));
}
}
public int UpdateCoursePayment(StudentCourseUpdatePaymentDTO updatePaymentDTO)
{
try
{
var course = (from studentCourse in context.StudentCourses
join student in context.MODUsers on studentCourse.User equals student
where student.Email == updatePaymentDTO.Email && studentCourse.CourseId == updatePaymentDTO.CourseId
select studentCourse).Include(sc => sc.User).SingleOrDefault();
if (course != null)
{
if (course.PaymentStatus)
{
return(4);
}
else if (course.Status == 6 || course.Status == 7)
{
return(5); // cancelled or rejected
}
course.PaymentStatus = true;
course.PaymentId = updatePaymentDTO.PaymentId;
course.Status = 3;
// payment transaction
var payment = new Payment
{
PaymentId = course.PaymentId,
User = course.User,
Amount = context.MentorSkills.Where(s => s.SkillId == course.SkillId).FirstOrDefault().TotalFee,
TransactionType = true
};
context.Payments.Add(payment);
context.StudentCourses.Update(course);
var result = context.SaveChanges();
if (result > 0)
{
return(1); // success
}
return(2); // error updating payment details
}
return(3); // course not found or payment already completed
}
catch (Exception e)
{
throw e;
}
}
