UsefulExtensions.cs

public static class UsefulExtensionMethods
{
	public static TModel FirstOrNew<TModel>(this IEnumerable<TModel> queryable) where TModel : new()
			=> queryable.FirstOrDefault() ?? new TModel();

	public static async Task<TModel> FirstOrNewAsync<TModel>(this IQueryable<TModel> queryable) where TModel : new() 
		=> (await queryable.FirstOrDefaultAsync()) ?? new TModel();

	public static bool IsActuallTheSameAs(this string s1, string s2, StringComparison stringComparison = StringComparison.InvariantCultureIgnoreCase)
        => string.Equals(s1, s2, stringComparison);
}