public ActionResult FamilyEdit(int id, PersonBaseEditFamily newItem)
{
if (ModelState.IsValid & id == newItem.Id)
{
// Attempt to do the update
var editedItem = m.PersonEditRelations(newItem);
if (editedItem == null)
{
// There was a problem updating the object
ModelState.AddModelError("modelState", "There was an error. (The incoming data is invalid.)");
return RedirectToAction("details", new { id = newItem.Id });
}
else
{
// Redirect
// Could do other things here
return RedirectToAction("details", new { id = editedItem.Id });
}
}
// There was a problem updating the object
// Re-create an edit form
ModelState.AddModelError("modelState", "There was an error. (The incoming data is invalid.)");
return RedirectToAction("details", new { id = newItem.Id });
}
public PersonBaseWithRelations PersonEditRelations(PersonBaseEditFamily newItem)
{
// Validate the incoming data
var fetchedObject = ds.Persons
.Include("Father")
.Include("Mother")
.Include("Children")
.SingleOrDefault(p => p.Id == newItem.Id);
Person father = null;
if (newItem.FatherId.HasValue)
{
father = ds.Persons.Find(newItem.FatherId.Value);
}
Person mother = null;
if (newItem.MotherId.HasValue)
{
mother = ds.Persons.Find(newItem.MotherId.Value);
}
if (fetchedObject == null)
{
return null;
}
else
{
// Update the object with the incoming values
ds.Entry(fetchedObject).CurrentValues.SetValues(newItem);
// Update the associated objects
if (father != null)
{
fetchedObject.Father = father;
fetchedObject.FatherId = father.Id;
}
if (mother != null)
{
fetchedObject.Mother = mother;
fetchedObject.MotherId = mother.Id;
}
// Handle the collection
if (newItem.ChildrenIds.Count() > 0)
{
// Clear the existing children collection
fetchedObject.Children.Clear();
// Go through the incoming collection
foreach (var childId in newItem.ChildrenIds)
{
var child = ds.Persons.Find(childId);
if (child != null)
{
fetchedObject.Children.Add(child);
}
}
}
ds.SaveChanges();
return Mapper.Map<PersonBaseWithRelations>(fetchedObject);
}
}