static async Task <RssVideoResponse> Internal_GetRankingRssAsync(RankingGenre genre, RankingTerm term, int page)
{
if (page == 0 || page > Constants.MaxPage)
{
throw new ArgumentOutOfRangeException($"out of range {nameof(page)}. inside btw from 1 to {Constants.MaxPage} in with tag.");
}
var dict = new Dictionary <string, string>()
{
{ "rss", "2.0" },
{ "lang", "ja-jp" }
};
dict.Add(nameof(term), term.GetDescription());
if (page != 1)
{
dict.Add(nameof(page), page.ToString());
}
try
{
return(await VideoRssContentHelper.GetRssVideoResponseAsync(
$"{Constants.NiconicoRankingGenreDomain}{genre.GetDescription()}?{HttpQueryExtention.DictionaryToQuery(dict)}"
));
}
catch
{
return(new RssVideoResponse()
{
IsOK = false, Items = new List <RssVideoData>()
});
}
}
/// <summary>
/// 指定ジャンルの「人気のタグ」を取得します。 <br />
/// RankingGenre.All を指定した場合のみ、常に空のListを返します。（RankingGenre.All は「人気のタグ」を指定できないため）
/// </summary>
/// <param name="genre">RankingGenre.All"以外"を指定します。</param>
/// <remarks></remarks>
/// <returns></returns>
public static async Task <List <RankingGenrePickedTag> > GetGenrePickedTagAsync(RankingGenre genre)
{
if (genre == RankingGenre.All)
{
return(new List <RankingGenrePickedTag>());
}
if (genre != RankingGenre.HotTopic)
{
return(await Internal_GetPickedTagAsync($"{Constants.NiconicoRankingGenreDomain}{genre.GetDescription()}"));
}
else
{
return(await Internal_GetPickedTagAsync($"{Constants.NiconicoRankingHotTopicDomain}"));
}
}