/// <summary>
/// Returns a weekly album chart of a specified week.
/// </summary>
/// <param name="span">
/// A <see cref="WeeklyChartTimeSpan"/>
/// </param>
/// <returns>
/// A <see cref="WeeklyAlbumChart"/>
/// </returns>
public WeeklyAlbumChart GetWeeklyAlbumChart(WeeklyChartTimeSpan span)
{
RequestParameters p = getParams();
p["from"] = Utilities.DateTimeToUTCTimestamp(span.From).ToString();
p["to"] = Utilities.DateTimeToUTCTimestamp(span.To).ToString();
XmlDocument doc = request("user.getWeeklyAlbumChart", p);
XmlNode n = doc.GetElementsByTagName("weeklyalbumchart")[0];
DateTime nfrom = Utilities.TimestampToDateTime(Int64.Parse(n.Attributes[1].InnerText), DateTimeKind.Utc);
DateTime nto = Utilities.TimestampToDateTime(Int64.Parse(n.Attributes[2].InnerText), DateTimeKind.Utc);
WeeklyAlbumChart chart = new WeeklyAlbumChart(new WeeklyChartTimeSpan(nfrom, nto));
foreach (XmlNode node in doc.GetElementsByTagName("album"))
{
int rank = Int32.Parse(node.Attributes[0].InnerText);
int playcount = Int32.Parse(extract(node, "playcount"));
WeeklyAlbumChartItem item =
new WeeklyAlbumChartItem(new Album(extract(node, "artist"), extract(node, "name"), Session),
rank, playcount, new WeeklyChartTimeSpan(nfrom, nto));
chart.Add(item);
}
return(chart);
}
internal WeeklyArtistChartItem(Artist artist, int rank, int playcount, WeeklyChartTimeSpan span)
: base(rank, playcount, span)
{
Artist = artist;
}
public WeeklyTrackChart(WeeklyChartTimeSpan span)
: base(span)
{
}
public WeeklyArtistChart(WeeklyChartTimeSpan span)
: base(span)
{
}
internal WeeklyAlbumChartItem(Album album, int rank, int playcount, WeeklyChartTimeSpan span)
: base(rank, playcount, span)
{
Album = album;
}
internal WeeklyChartItem(int rank, int playcount, WeeklyChartTimeSpan span)
{
Rank = rank;
Playcount = playcount;
Span = span;
}
internal WeeklyChart(WeeklyChartTimeSpan span)
{
Span = span;
}
internal WeeklyTrackChartItem(Track track, int rank, int playcount, WeeklyChartTimeSpan span)
: base(rank, playcount, span)
{
Track = track;
}
public WeeklyAlbumChart(WeeklyChartTimeSpan span)
: base(span)
{
}