/// <summary>
/// Creates REST client, connects, and fetches top artists from a user
/// </summary>
/// <param name="accessToken">Required. A valid access token from the Spotify Accounts service</param>
/// <param name="time_range">Optional. Over what time frame the affinities are computed. Valid values: long_term (calculated from several years of data and including all new data as it becomes available), medium_term (approximately last 6 months), short_term (approximately last 4 weeks). Default: medium_term.</param>
/// <returns>IEnumerable of Artists</returns>
private static async Task <IEnumerable <Artist> > GetTopArtistsAsync(string accessToken,
string time_range)
{
client.DefaultRequestHeaders.Clear();
client.DefaultRequestHeaders.Accept.Add(
new MediaTypeWithQualityHeaderValue("application/vnd.github.v3+json"));
client.DefaultRequestHeaders.Add("Authorization", $"Bearer {accessToken}");
var result = client.GetStringAsync($"https://api.spotify.com/v1/me/top/artists?time_range={time_range}&limit=50").Result;
var topArtists = TopArtists.FromJson(result);
var allTopArtists = new HashSet <Artist>();
allTopArtists.UnionWith(topArtists.Artists);
while (topArtists.Next != null)
{
result = await client.GetStringAsync(topArtists.Next);
topArtists = TopArtists.FromJson(result);
allTopArtists.UnionWith(topArtists.Artists);
}
return(allTopArtists);
}
public async Task <IResult <List <TopArtists> > > GetTop100Artistas(string tipo, int mes, int ano)
{
try
{
var url = $"{VagalumeApiConstants.TOP100_ARTISTAS_URL}{ProviderHelper.TratarParametrosTop100(tipo, mes, ano)}";
var html = await ProviderHelper.GetDefaultHtmlText(url, _httpRequestProcessor);
var htmlDoc = new HtmlDocument();
htmlDoc.LoadHtml(html);
List <TopArtists> result = new List <TopArtists>();
var htmlBody = htmlDoc.GetElementbyId("top100Page");
var olElem = htmlBody.Descendants("ol").Where(c => c.GetAttributeValue("class", "").Equals("topCard")).ToList();
foreach (HtmlNode li in olElem[0].ChildNodes)
{
HtmlNode topPosition = li.ChildNodes.Where(c => c.Name == "div").FirstOrDefault();
var position = topPosition.ChildNodes.Where(c => c.Name == "p").FirstOrDefault()?.InnerText?.ToString()?.Trim();
HtmlNode cardCenterCol = li.ChildNodes.Where(c => c.Name == "div").LastOrDefault();
HtmlNode aElem = cardCenterCol.ChildNodes.Where(c => c.Name == "div").FirstOrDefault().ChildNodes.Where(x => x.Name == "a").FirstOrDefault();
var link = aElem.Attributes.Where(c => c.Name == "href").FirstOrDefault()?.Value?.Trim();
var name = cardCenterCol.Descendants("a").Where(c => c.GetAttributeValue("class", "").Equals("w1 h22")).FirstOrDefault()?.InnerText?.Trim();
HtmlNode pictureElem = aElem.ChildNodes.Where(c => c.Name == "picture").FirstOrDefault();
var webp = pictureElem.ChildNodes.Where(c => c.Name == "source").FirstOrDefault()?.Attributes.Where(c => c.Name == "srcset").FirstOrDefault()?.Value;
var img = pictureElem.ChildNodes.Where(c => c.Name == "img").FirstOrDefault()?.Attributes.Where(c => c.Name == "src").FirstOrDefault()?.Value;
if (webp == null)
{
webp = pictureElem.ChildNodes.Where(c => c.Name == "source").FirstOrDefault()?.Attributes.Where(c => c.Name == "data-src").FirstOrDefault()?.Value;
}
if (img == null)
{
img = pictureElem.ChildNodes.Where(c => c.Name == "img").FirstOrDefault()?.Attributes.Where(c => c.Name == "data-src").FirstOrDefault()?.Value;
}
TopArtists TopArtists = new TopArtists()
{
Position = position,
Name = name,
Url = link,
Art = link.Split('/')[1],
FotoArtista = new FotoArtista {
Webp = webp, Url = img
}
};
result.Add(TopArtists);
}
return(Result.Success(result));
}
catch (Exception ex)
{
return(Result.Fail <List <TopArtists> >(ex.Message));
}
}
