public override Status <IReadOnlyList <ICitizen> > Find(ICitizen citizen)
{
var status = IsValid(citizen);
if (status.IsValid == false)
{
return(new Status <IReadOnlyList <ICitizen> >
{
IsValid = false,
Message = status.Message
});
}
var cousins = new List <ICitizen>();
var fathersSiblings = _searchSiblings.Find(citizen.Father);
if (fathersSiblings.IsValid)
{
fathersSiblings.Data.ToList().ForEach(x =>
{
var children = _searchChildren.Find(x);
if (children.IsValid)
{
cousins.AddRange(children.Data);
}
});
}
var mothersSiblings = new SearchSiblings().Find(citizen.Mother);
if (mothersSiblings.IsValid)
{
var searchChildren = new SearchChildren();
mothersSiblings.Data.ToList().ForEach(x =>
{
var children = searchChildren.Find(x);
if (children.IsValid)
{
cousins.AddRange(children.Data);
}
});
}
if (cousins.Any())
{
return(new Status <IReadOnlyList <ICitizen> >
{
IsValid = true,
Data = new ReadOnlyCollection <ICitizen>(cousins)
});
}
return(new Status <IReadOnlyList <ICitizen> >
{
IsValid = false,
Message = "There are no cousins"
});
}
public SearchCousins(SearchSiblings searchSiblings, SearchChildren searchChildren)
{
_searchSiblings = searchSiblings;
_searchChildren = searchChildren;
}