private void DisplayResultsOfRating(FilmRating rating, string filmFan, List <Film> films, List <Screening> screenings)
{
// Display summary for this rating.
int highRatedFilmCount = films.Count;
int plannedFilmCount = films.Where(f => HasAttendedScreening(f, filmFan)).Count();
_builder.Append($"{LogTimeString()} {plannedFilmCount} out of {highRatedFilmCount} films with rating {rating} planned for {filmFan}.");
// Display films with this rating that weren't planned.
if (highRatedFilmCount - plannedFilmCount > 0)
{
_builder.AppendLine();
_builder.AppendLine($"Films with rating {rating} that could not be planned for {filmFan}:");
var unplannedFilms = films.Where(f => !HasAttendedScreening(f, filmFan));
_builder.AppendJoin(Environment.NewLine, unplannedFilms);
}
_builder.AppendLine();
// Display the considered screenings in order.
_builder.AppendLine();
if (screenings.Count > 0)
{
_builder.AppendLine($"Considered screenings of films rated {rating} in order:");
_builder.AppendLine();
_builder.AppendJoin(Environment.NewLine, screenings.Select(s => s.ToConsideredScreeningString(filmFan)));
_builder.AppendLine();
}
else
{
_builder.AppendLine($"No screenings of films rated {rating} could be considered.");
}
_builder.AppendLine();
}
public decimal TimeWeightedMeanRating()
{
TimeSpan time = TimeSpan.Zero;
decimal ratingMinutes = 0M;
decimal minutesSum = 0M;
bool fullyRated = true;
foreach (var screenedFilm in ScreenedFilms)
{
Film film = ViewController.GetFilmById(screenedFilm.ScreenedFilmId);
FilmRating rating = film.MaxRating;
if (rating.IsUnrated)
{
fullyRated = false;
break;
}
decimal decimalRating = decimal.Parse(rating.Value);
decimal minutes = (decimal)film.Duration.TotalMinutes;
ratingMinutes += decimalRating * minutes;
minutesSum += minutes;
}
if (fullyRated && ScreenedFilms.Count > 0)
{
decimal meanRating = ratingMinutes / minutesSum;
return(meanRating);
}
return(decimal.Zero);
}
public FilmFanFilmRating(string filmFanFilmRatingText)
{
string[] fields = filmFanFilmRatingText.Split(';');
string filmId = fields[0];
FilmFan = fields[1];
string rating = fields[2];
FilmId = Int32.Parse(filmId);
Rating = new FilmRating(rating);
}
public bool IsGreaterOrEqual(FilmRating otherRating)
{
return(CompareTo(otherRating) >= 0);
}
public bool Equals(FilmRating otherRating)
{
return(CompareTo(otherRating) == 0);
}
public FilmFanFilmRating(int filmId, string filmFan, FilmRating rating)
{
FilmId = filmId;
FilmFan = filmFan;
Rating = rating;
}
