public void PutSetSupervisor(int id, [FromBody] EmployeeSupervisor item)
{
// Attention - Employee set supervisor - command pattern
// Ensure that an "item" is in the entity body
if (item == null)
{
return;
}
// Ensure that the id value in the URI matches the id value in the entity body
if (id != item.EmployeeId)
{
return;
}
// Ensure that we can use the incoming data
if (ModelState.IsValid)
{
// Attempt to update the item
m.EmployeeSetSupervisor(item);
}
else
{
return;
}
}
public EmployeeWithDetails EmployeeSetSupervisor(EmployeeSupervisor newItem)
{
// Attention - Manager - Employee - command to update the self-referencing to-one association
// Attempt to fetch the object
// Include associated data (look at the return type from this method)
var o = ds.Employees.Include("DirectReports").Include("ReportsTo")
.SingleOrDefault(e => e.EmployeeId == newItem.EmployeeId);
// Attempt to fetch the associated object
// Include associated data (look at the return type from this method)
Employee a = null;
if (newItem.ReportsToId > 0)
{
a = ds.Employees.Include("DirectReports").Include("ReportsTo")
.SingleOrDefault(e => e.EmployeeId == newItem.ReportsToId);
}
// Must do two tests here before continuing
if (o == null | a == null)
{
// Problem - one of the items was not found, so return
return(null);
}
else
{
// Configure the new supervisor
// MUST set both properties - the int and the Employee
o.ReportsTo = a;
o.ReportsToId = a.EmployeeId;
ds.SaveChanges();
// Prepare and return the object
return(mapper.Map <EmployeeWithDetails>(o));
}
}