public void InsertOrUpdate(Payment payment)
{
if (payment.Id == default(int))
{
// New entity
context.Payments.Add(payment);
}
else {
// Existing entity
context.Entry(payment).State = EntityState.Modified;
}
}
public IHttpActionResult ShareBalance(ShareToBindingModel Share)
{
if (!ModelState.IsValid)
{
return BadRequest(ModelState);
}
string UserId = User.Identity.GetUserId();
var ToUser = UserManager.FindByEmail(Share.Email);
if (ToUser == null)
{
ModelState.AddModelError("Share.Email", "User not found.");
return BadRequest(ModelState);
}
int balance = _payments.GetUserBalance(UserId);
if (balance - Share.Amount < 0)
{
ModelState.AddModelError("Share.Amount", "Insufficient balance.");
return BadRequest(ModelState);
}
Payment payment_to = new Payment()
{
UserID = ToUser.Id,
Sum = Share.Amount,
Date = DateTime.UtcNow
};
Payment payment_from = new Payment()
{
UserID = UserId,
Sum = -1 * Share.Amount,
Date = DateTime.UtcNow
};
_payments.InsertOrUpdate(payment_to);
_payments.InsertOrUpdate(payment_from);
_payments.Save();
return CreatedAtRoute("ShareBalance", new { id = payment_from.Id }, payment_from);
}
public IHttpActionResult PostPayment(Payment payment)
{
if (payment == null)
{
return BadRequest(ModelState);
}
payment.Id = 0;
payment.Date = DateTime.UtcNow;
return PutPayment(0, payment);
}
public IHttpActionResult PutPayment(int id, Payment payment)
{
if (payment == null)
{
return BadRequest();
}
if (!ModelState.IsValid)
{
return BadRequest(ModelState);
}
if (id != payment.Id)
{
return BadRequest();
}
_payments.InsertOrUpdate(payment);
_payments.Save();
return CreatedAtRoute("DefaultApi", new { id = payment.Id }, payment);
}