private PersonsPairWithAgeDifference FindPairByCriteria(
IEnumerable <PersonsPairWithAgeDifference> pairs,
PairingCriteria criteria)
{
var sortedPairs = pairs.OrderBy(pp => pp.AgeDifference).ToList();
var targetPair = criteria == PairingCriteria.ClosestByAge
? GetPairClosestByAge(sortedPairs)
: GetPairFurthestByAge(sortedPairs);
return(targetPair);
}
public PersonsPairWithAgeDifference FindBy(PairingCriteria pairingCriteria)
{
var personPairs = GetPersonPairsWithAgeDifference();
var targetPair = new PersonsPairWithAgeDifference();
if (personPairs.Any())
{
targetPair = FindPairByCriteria(personPairs, pairingCriteria);
}
return(targetPair);
}
private IPairsFindingStrategy GetFindingStrategy(PairingCriteria pairingCriteria) =>
pairingCriteria switch
{
public IPersonsPair FindBy(PairingCriteria pairingCriteria)
{
var findingStrategy = GetFindingStrategy(pairingCriteria);
return(findingStrategy.Find(_persons));
}
