gistfile1.cs

public class JobsFinder<TJobFinder, TModel> where TJobFinder : ICommonJobFinder   
   				            where TModel : ICommonJobsModel, new() 
{
	private readonly IAllJobsFinder allJobsFinder;
	private readonly TJobFinder specificJobFinder;

	public JobsFinder(IAllJobsFinder allJobsFinder, TJobFinder specificJobFinder)
	{
		this.allJobsFinder = allJobsFinder;
		this.specificJobFinder = specificJobFinder;
	}

	public TModel GetJobsModel(int week) 
	{
		var specifiJobs = specificJobFinder.GetJobs(week); 

		var model = new TModel {Jobs = specifiJobs}; 

		if (!specifiJobs.Any())
		{
			model.Jobs = allJobsFinder.GetThisWeeks(week);
			model.ContainsNonSpecificJobs = true; 
		}

		return model;
	}
}