private FindResult Find(FindType findType)
{
var allAgeDifferences = CalculateAllAgeDifferences();
var answer = new FindResult();
if (allAgeDifferences.Any())
{
var ordered = from result in allAgeDifferences
orderby result.Difference ascending
select result;
switch (findType)
{
case FindType.Closest:
answer = ordered.First();
break;
case FindType.Furthest:
answer = ordered.Last();
break;
}
}
return answer;
}
private static FindResult CreateFindResultFromTwoThings(Thing right, Thing left)
{
var r = new FindResult();
if (left.BirthDate < right.BirthDate)
{
r.Oldest = left;
r.Youngest = right;
}
else
{
r.Oldest = right;
r.Youngest = left;
}
r.Difference = r.Youngest.BirthDate - r.Oldest.BirthDate;
return r;
}
internal static FindResult Compare(Person person1, Person person2)
{
var result = new FindResult();
if (person1.BirthDate < person2.BirthDate)
{
result.OlderPerson = person1;
result.YoungerPerson = person2;
}
else
{
result.OlderPerson = person2;
result.YoungerPerson = person1;
}
result.AgeDifference = result.YoungerPerson.BirthDate - result.OlderPerson.BirthDate;
return result;
}
