/// <summary>
/// Performs the business logic for adding the Parent relationship between the person and the parent.
/// </summary>
public static void AddParent(PeopleCollection family, Person person, Person parent)
{
// A person can only have 2 parents, do nothing
if (person.Parents.Count == 2)
return;
// Add the parent to the main collection of people.
family.Add(parent);
switch (person.Parents.Count)
{
// No exisitng parents
case 0:
family.AddChild(parent, person, ParentChildModifier.Natural);
break;
// An existing parent
case 1:
family.AddChild(parent, person, ParentChildModifier.Natural);
family.AddSpouse(parent, person.Parents[0], SpouseModifier.Current);
break;
}
// Handle siblings
if (person.Siblings.Count > 0)
{
// Make siblings the child of the new parent
foreach (Person sibling in person.Siblings)
{
family.AddChild(parent, sibling, ParentChildModifier.Natural);
}
}
// Setter for property change notification
person.HasParents = true;
}
/// <summary>
/// Performs the business logic for adding the Spousal relationship between the person and the spouse.
/// </summary>
public static void AddSpouse(PeopleCollection family, Person person, Person spouse, SpouseModifier modifier)
{
// Assume the spouse's gender based on the counterpart of the person's gender
if (person.Gender == Gender.Male)
spouse.Gender = Gender.Female;
else
spouse.Gender = Gender.Male;
if (person.Spouses != null)
{
switch (person.Spouses.Count)
{
// No existing spouse
case 0:
family.AddSpouse(person, spouse, modifier);
// Add any of the children as the child of the spouse.
if (person.Children != null || person.Children.Count > 0)
{
foreach (Person child in person.Children)
{
family.AddChild(spouse, child, ParentChildModifier.Natural);
}
}
break;
// Existing spouse(s)
default:
// If specifying a new married spouse, make existing spouses former.
if (modifier == SpouseModifier.Current)
{
foreach (Relationship relationship in person.Relationships)
{
if (relationship.RelationshipType == RelationshipType.Spouse)
((SpouseRelationship)relationship).SpouseModifier = SpouseModifier.Former;
}
}
family.AddSpouse(person, spouse, modifier);
break;
}
// Setter for property change notification
person.HasSpouse = true;
}
}
