public async Task <IActionResult> Subscribe(int id, string token)
{
CourseSubscribeInputModel inputModel = await courseService.CapturePaymentAsync(id, token);
await courseService.SubscribeCourseAsync(inputModel);
TempData["ConfirmationMessage"] = "Grazie per esserti iscritto guarda la prima lezione!";
return(RedirectToAction(nameof(Detail), new { id = id }));
}
public async Task SubscribeCourseAsync(CourseSubscribeInputModel inputModel)
{
try
{
await db.CommandAsync($"INSERT INTO Subscriptions (UserId, CourseId, PaymentDate, PaymentType, Paid_Currency, Paid_Amount, TransactionId) VALUES ({inputModel.UserId}, {inputModel.CourseId}, {inputModel.PaymentDate}, {inputModel.PaymentType}, {inputModel.Paid.Currency.ToString()}, {inputModel.Paid.Amount}, {inputModel.TransactionId})");
}
catch (ConstraintViolationException)
{
throw new CourseSubscriptionException(inputModel.CourseId);
}
catch (Exception)
{
await transactionLogger.LogTransactionAsync(inputModel);
}
}
public async Task LogTransactionAsync(CourseSubscribeInputModel inputModel)
{
string filePath = Path.Combine(env.ContentRootPath, "Data", "transactions.txt");
string content = $"\r\n{inputModel.TransactionId}\t{inputModel.PaymentDate}\t{inputModel.PaymentType}\t{inputModel.Paid}\t{inputModel.UserId}\t{inputModel.CourseId}";
try
{
await semaphore.WaitAsync();
await File.AppendAllTextAsync(filePath, content);
}
finally
{
semaphore.Release();
}
}
public async Task SubscribeCourseAsync(CourseSubscribeInputModel inputModel)
{
Subscription subscription = new(inputModel.UserId, inputModel.CourseId)
{
PaymentDate = inputModel.PaymentDate,
PaymentType = inputModel.PaymentType,
Paid = inputModel.Paid,
TransactionId = inputModel.TransactionId
};
dbContext.Subscriptions.Add(subscription);
try
{
await dbContext.SaveChangesAsync();
}
catch (DbUpdateException)
{
throw new CourseSubscriptionException(inputModel.CourseId);
}
catch (Exception)
{
await transactionLogger.LogTransactionAsync(inputModel);
}
}
public Task SubscribeCourseAsync(CourseSubscribeInputModel inputModel)
{
return(courseService.SubscribeCourseAsync(inputModel));
}