/// <summary>
/// Method is used to collect information for UI rendering
/// Modify this method if requirements change
/// </summary>
/// <param name="source">the source data</param>
/// <param name="gender">the owners gender</param>
/// <param name="petType">the pet type to filter for</param>
/// <returns></returns>
public static Output GetPetsByOwnerGender(IEnumerable <Owner> source,
OwnerGender gender, PetType petType = PetType.Cat)
{
if (source == null)
{
throw new ApplicationException("Invalid or null source");
}
// init the output buffer
var output = new Output(gender);
// Filter by pet type and collect data (filter out owners without pets)
foreach (var pet in source.Where(item => item.Gender == gender && item.Pets != null)
.SelectMany(item => item.Pets).Where(a => a.Type == petType))
{
output.PetNames.Add(pet.Name);
}
// sort by pet name before sending out data
output.PetNames.Sort((a, b) => string.Compare(a, b, StringComparison.Ordinal));
return(output);
}
/// <summary>
/// ctor
/// </summary>
/// <param name="gender">the gender from caller</param>
public Output(OwnerGender gender)
{
OwnerGender = gender.ToString();
PetNames = new List <string>(); // init
}
