// Attention 31 - Customer edit address, returns extra data
// Must do a bit more than a normal "edit existing", because of the association
// One extra fetch before return so that the associated data comes back
// Please be aware that there could be alternative coding plans -
// the following plan is not authoritative, and others could work
public CustomerWithData CustomerEditAddress(CustomerEditAddress editedItem)
{
// Ensure that we can continue
if (editedItem == null)
{
return(null);
}
// Attempt to fetch the object
var storedItem = ds.Customers.Find(editedItem.CustomerId);
if (storedItem == null)
{
return(null);
}
else
{
// Fetch the object from the data store - ds.Entry(storedItem)
// Get its current values collection - .CurrentValues
// Set those to the edited values - .SetValues(editedItem)
ds.Entry(storedItem).CurrentValues.SetValues(editedItem);
// The SetValues() method ignores missing properties and navigation properties
ds.SaveChanges();
// Extra fetch
var o = ds.Customers.Include("Employee")
.SingleOrDefault(c => c.CustomerId == storedItem.CustomerId);
return(Mapper.Map <CustomerWithData>(o));
}
}
// PUT: api/Customers/5
/// <summary>
/// Edit customer address
/// </summary>
/// <param name="id">Customer identifier</param>
/// <param name="editedItem">Address data</param>
/// <returns>Customer object</returns>
public IHttpActionResult Put(int?id, [FromBody] CustomerEditAddress editedItem)
{
// Ensure that an "editedItem" is in the entity body
if (editedItem == null)
{
return(BadRequest("Must send an entity body with the request"));
}
// Ensure that the id value in the URI matches the id value in the entity body
if (id.GetValueOrDefault() != editedItem.CustomerId)
{
return(BadRequest("Invalid data in the entity body"));
}
// Ensure that we can use the incoming data
if (ModelState.IsValid)
{
// Attempt to update the item
var changedItem = m.CustomerEditAddress(editedItem);
// Notice the ApiController convenience methods
if (changedItem == null)
{
// HTTP 400
return(BadRequest("Cannot edit the object"));
}
else
{
// Attention 32 - Edit address result, create a hypermedia representation
CustomerLinked result = new CustomerLinked
(Mapper.Map <CustomerWithLink>(changedItem));
// HTTP 200 with the changed item in the entity body
return(Ok(result));
}
}
else
{
return(BadRequest(ModelState));
}
}