public static void SortBy(File[] files, String property) {
//should probably be done with enums, or by a completely different pattern (visitor?)
switch (property.ToLower()) {
case "title":
ByTitle(files);
break;
case "description" :
ByDescription(files);
break;
case "genre":
ByGenre(files);
break;
case "release":
case "year":
ByYear(files);
break;
case "averagerating":
case "averageratings":
case "avgrating":
case "avgratings":
ByRating(files);
break;
case "views":
case "view":
case "viewcount":
case "viewcounts":
ByViews(files);
break;
default:
throw new ArgumentException(property + " is undefined");
}
}
public Purchase(File file, DateTime endTime) {
this.file = file;
this.endTime = endTime;
}
protected static void ByRating(File[] files) {
Array.Sort(files, (f1, f2) => -1 * f1.AverageRating.CompareTo(f2.AverageRating)); // *-1 to order descending
}
protected static void ByViews(File[] files) {
Array.Sort(files, (f1, f2) => -1 * f1.ViewCount.CompareTo(f2.ViewCount)); // *-1 to order descending
}
protected static void ByRentPrice(File[] files) {
Array.Sort(files, (f1, f2) => f1.RentPrice.CompareTo(f2.RentPrice));
}
protected static void ByYear(File[] files) {
Array.Sort(files, (f1, f2) => f1.Year.CompareTo(f2.Year));
}
protected static void ByGenre(File[] files) {
Array.Sort(files, (f1, f2) => f1.Genres[0].CompareTo(f2.Genres[0])); //This is a pretty useless sort.
}
protected static void ByDescription(File[] files) {
Array.Sort(files, (f1, f2) => f1.Description.CompareTo(f2.Description));
}
/* private static Sorter instance;
private Sorter() { }
public static Sorter Instance {
get {
if (instance == null) {
instance = new Sorter();
}
return instance;
}
}*/
protected static void ByTitle(File[] files) {
Array.Sort(files, (f1, f2) => f1.Title.CompareTo(f2.Title));
}
