public CategoryDA()
{
categories = new List <Category>();
Category sport = new Category("ورزشی");
Category art = new Category("هنری");
Category funny = new Category("تفریحی");
CategoryDA.AddCategory(sport);
CategoryDA.AddCategory(art);
CategoryDA.AddCategory(funny);
Activity football = new Activity("footbal", "footbal", 1, 2, 3, 4);
Activity basketball = new Activity("basketball", "basketball", 5, 4, 3, 2);
sport.AddActivity(football);
sport.AddActivity(basketball);
Activity painting = new Activity("painting", "painting", 2, 2, 2, 2);
Activity music = new Activity("music", "music", 1, 1, 1, 1);
art.AddActivity(painting);
art.AddActivity(music);
SuggestedActivity dance = new SuggestedActivity("gaming", "gaming", 1, 2, 3, 5);
funny.AddSuggestedActivity(dance);
SuggestedActivity biking = new SuggestedActivity("biking", "biking", 4, 3, 2, 5);
SuggestedActivity baseball = new SuggestedActivity("baseball", "baseball", 2, 3, 4, 1);
sport.AddSuggestedActivity(biking);
sport.AddSuggestedActivity(baseball);
}