public void ShouldRoundTripRatingsValues()
{
for (double s = 0.0; s <= 5.0; s += 0.5)
{
uint r = TrackRating.FiveStarRatingToRaw(s);
double ns = TrackRating.RawRatingToFiveStar(r);
Assert.Equal(s, ns);
}
for (double p = 0.0; p <= 1.0; p = Math.Round(p + 0.01, 2))
{
uint r = TrackRating.PercentRatingToRaw(p);
double np = TrackRating.RawRatingToPercent(r);
Assert.Equal(p, np);
}
}
void ShouldMergeDefaultAndSuppliedRatings()
{
var defaultRating = TrackRating.FiveStarRatingToRaw(4.0);
var parser = new DanceInfoTagParser(defaultRating, DanceCategories.None, "WC [email protected]", "Foxtrot", "Smooth", "[email protected]", "Swing");
var tdis = parser.GetTagDanceInfo().ToList();
Assert.Equal(4, tdis.Count);
var foxtrots = tdis.Where((t) => t.Dance == Dances.Foxtrot);
var smooth = foxtrots.Single((t) => (t.Categories & DanceCategories.Smooth) != DanceCategories.None);
var social = foxtrots.Single((t) => (t.Categories & DanceCategories.Social) != DanceCategories.None);
Assert.Equal(defaultRating, smooth.RawRating);
Assert.Equal(3.5, social.FiveStarRating);
var swings = tdis.Where((t) => t.Dance == Dances.WestCoastSwing);
var swing = swings.Single((t) => (t.Categories & DanceCategories.Swing) != DanceCategories.None);
social = swings.Single((t) => (t.Categories & DanceCategories.Social) != DanceCategories.None);
Assert.Equal(4.5, swing.FiveStarRating);
Assert.Equal(3.5, social.FiveStarRating);
}
public void ShouldFilterByRating()
{
var library = SampleData.GetTestLibrary();
foreach (var rating in SampleData.ExpectedTracksByRating.Keys)
{
var filter = new TrackDanceFilter()
{
MinRating = TrackRating.FiveStarRatingToRaw(rating),
MaxRating = TrackRating.FiveStarRatingToRaw(5.0),
IncludeTracksWithNoRating = false
};
var tracks = filter.Apply(library.Tracks);
Assert.Equal(SampleData.ExpectedTracksByRating[rating], tracks.Count());
foreach (var track in tracks)
{
Assert.NotNull(track.Rating);
Assert.True(track.Rating.FiveStarRating >= rating);
}
}
}
private void TrackRatingView_Show(
long theTrackID,
TrackRating theTrackRating)
{
// Instantiate an instance
TrackRatingView theView = new TrackRatingView();
theView.buttonOK.Click +=
new EventHandler(TrackRatingView_buttonOK_Click);
theView.TrackID = theTrackID;
switch (theTrackRating)
{
case TrackRating.OneStar:
theView.radio1Star.Checked = true;
break;
case TrackRating.TwoStar:
theView.radio2Star.Checked = true;
break;
case TrackRating.ThreeStar:
theView.radio3Star.Checked = true;
break;
case TrackRating.FourStar:
theView.radio4star.Checked = true;
break;
case TrackRating.FiveStar:
theView.radio5star.Checked = true;
break;
default:
theView.radioUnrated.Checked = true;
break;
}
// Show the form
theView.ShowDialog(this._MainView);
}
/// <summary>
/// Toggles the user rating of this track.
/// </summary>
/// <returns>The new track rating.</returns>
/// <seealso cref="Rating"/>
/// <seealso cref="RatingChanged"/>
public TrackRating ToggleRating()
{
if (CanRate)
{
switch (rating)
{
case TrackRating.Unrated:
rating = TrackRating.Like;
break;
case TrackRating.Like:
rating = TrackRating.DontLike;
break;
case TrackRating.DontLike:
rating = TrackRating.Unrated;
break;
}
Application.DeferredInvoke(new DeferredInvokeHandler(delegate(object sender)
{
ZuneTrack.UserRating = (int)rating;
}), DeferredInvokePriority.Normal);
if (RatingChanged != null)
RatingChanged(this, EventArgs.Empty);
}
return rating;
}
/// <summary>
/// Handles the RatingChanged event of the CurrentTrack.
/// </summary>
/// <param name="sender">The source of the event.</param>
/// <param name="e">The <see cref="System.EventArgs"/> instance containing the event data.</param>
private void CurrentTrack_RatingChanged(object sender, EventArgs e)
{
// only fire if the rating has changed
if (TrackRatingChanged != null && CurrentTrack.Rating != lastTrackRating)
{
TrackRatingChanged(this, EventArgs.Empty);
lastTrackRating = CurrentTrack.Rating;
}
}
public static void UpdateTrackRating(
FileInfo theDatabaseFileInfo,
long theTrackID,
TrackRating theTrackRating)
{
using (SQLiteConnection theConnection = new SQLiteConnection(
DatabaseLayer.ToConnectionString(theDatabaseFileInfo)))
{
try
{
theConnection.Open();
using (SQLiteCommand theCommand = theConnection.CreateCommand())
{
theCommand.CommandText =
"UPDATE [Tracks] " +
"SET [Rating] = ? " +
"WHERE [ID] = ?";
SQLiteParameter theRatingParameter = theCommand.CreateParameter();
theCommand.Parameters.Add(theRatingParameter);
SQLiteParameter theTrackIDParameter = theCommand.CreateParameter();
theCommand.Parameters.Add(theTrackIDParameter);
theRatingParameter.Value =
(int)theTrackRating;
theTrackIDParameter.Value =
theTrackID;
theCommand.ExecuteNonQuery();
}
}
finally
{
theConnection.Close();
}
}
}
