/// <summary>
/// Gets a random element for the IEnumerable
/// </summary>
/// <typeparam name="T">Type of source IEnumerable</typeparam>
/// <param name="source">Source IEnumerable collection</param>
/// <returns>T.</returns>
public static T GetRandomElement <T>(this IEnumerable <T> source)
{
// If the list is empty then return an empty instance of T
if (source.IsEmpty())
{
return(Activator.CreateInstance <T>());
}
// Get a random number
int randomNumber = RandomHelpers.Next(source.Count() - 1);
return(source.ElementAt(randomNumber));
}
/// <summary>
/// Shuffles the specified source.
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="source">The source.</param>
/// <returns>IEnumerable<T>.</returns>
public static IEnumerable <T> Shuffle <T>(this IEnumerable <T> source)
{
var shuffled = source.OrderBy(src => RandomHelpers.Next(source.Count()));
return(shuffled);
}
