public async Task<Group> UpsertAsync(Group group)
{
var current = await _db.Groups.FirstOrDefaultAsync(_group => _group.Id == group.Id);
if (null == current)
{
await _db.Groups.AddAsync(group);
}
else
{
_db.Entry(current).CurrentValues.SetValues(group);
}
return group;
}
public async Task <Position> UpsertAsync(Position position)
{
var current = await _db.Positions.FirstOrDefaultAsync(_pos => _pos.Id == position.Id);
if (null == current)
{
await _db.Positions.AddAsync(position);
}
else
{
_db.Entry(current).CurrentValues.SetValues(position);
}
return(position);
}
public async Task <Discipline> UpsertAsync(Discipline discipline)
{
var current = await _db.Disciplines.FirstOrDefaultAsync(_discipline => _discipline.Id == discipline.Id);
if (null == current)
{
await _db.Disciplines.AddAsync(discipline);
}
else
{
_db.Entry(current).CurrentValues.SetValues(discipline);
}
return(discipline);
}
public async Task <Customer> UpsertAsync(Customer customer)
{
var current = await _db.Customers.FirstOrDefaultAsync(_customer => _customer.Id == customer.Id);
if (null == current)
{
_db.Customers.Add(customer);
}
else
{
_db.Entry(current).CurrentValues.SetValues(customer);
}
await _db.SaveChangesAsync();
return(customer);
}
public async Task <Teacher> UpsertAsync(Teacher teacher)
{
var current = await _db.Teachers.FirstOrDefaultAsync(_teacher => _teacher.Id == teacher.Id);
if (null == current)
{
await _db.Teachers.AddAsync(teacher);
}
else
{
_db.Entry(current).CurrentValues.SetValues(teacher);
}
await _db.SaveChangesAsync();
return(current);
}
public async Task <Order> UpsertAsync(Order order)
{
var existing = await _db.Orders.FirstOrDefaultAsync(x => x.Id == order.Id);
if (null == existing)
{
order.InvoiceNumber = _db.Orders.Max(x => x.InvoiceNumber) + 1;
_db.Orders.Add(order);
}
else
{
_db.Entry(existing).CurrentValues.SetValues(order);
}
await _db.SaveChangesAsync();
return(order);
}
