mirror of
https://github.com/Sarsoo/IF.Lastfm.git
synced 2024-10-17 15:23:08 +01:00
165 lines
6.1 KiB
C#
165 lines
6.1 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Net.Http;
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using System.Threading.Tasks;
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using IF.Lastfm.Core.Api.Enums;
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using IF.Lastfm.Core.Api.Helpers;
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using IF.Lastfm.Core.Objects;
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using Newtonsoft.Json;
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using Newtonsoft.Json.Linq;
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namespace IF.Lastfm.Core.Api
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{
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public class UserApi : IUserApi
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{
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public IAuth Auth { get; private set; }
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public UserApi(IAuth auth)
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{
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Auth = auth;
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}
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/// <summary>
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/// TODO paging
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/// </summary>
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/// <param name="span"></param>
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/// <param name="startIndex"></param>
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/// <param name="amount"></param>
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/// <returns></returns>
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public async Task<PageResponse<Album>> GetTopAlbums(LastStatsTimeSpan span, int startIndex = 0, int amount = LastFm.DefaultPageLength)
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{
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const string apiMethod = "user.getTopAlbums";
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var parameters = new Dictionary<string, string>
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{
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{"user", Auth.User.Username},
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{"period", span.GetApiName()}
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};
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var apiUrl = LastFm.FormatApiUrl(apiMethod, Auth.ApiKey, parameters);
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var httpClient = new HttpClient();
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var lastResponse = await httpClient.GetAsync(apiUrl);
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var json = await lastResponse.Content.ReadAsStringAsync();
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LastFmApiError error;
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if (LastFm.IsResponseValid(json, out error) && lastResponse.IsSuccessStatusCode)
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{
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var jtoken = JsonConvert.DeserializeObject<JToken>(json);
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var albumsToken = jtoken.SelectToken("topalbums").SelectToken("album");
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var albums = albumsToken.Children().Select(Album.ParseJToken);
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return PageResponse<Album>.CreateSuccessResponse(albums);
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}
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else
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{
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return PageResponse<Album>.CreateErrorResponse(error);
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}
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}
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/// <summary>
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/// Gets scrobbles and stuff
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/// </summary>
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/// <param name="username"></param>
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/// <param name="since"></param>
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/// <param name="pagenumber"></param>
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/// <param name="endIndex"></param>
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/// <returns></returns>
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public async Task<PageResponse<Track>> GetRecentScrobbles(string username, DateTime since, int pagenumber, int count = LastFm.DefaultPageLength)
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{
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const string apiMethod = "user.getRecentTracks";
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var parameters = new Dictionary<string, string>
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{
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{"user", Auth.User.Username},
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{"from", since.ToUnixTimestamp().ToString()},
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{"page", pagenumber.ToString()},
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{"limit", count.ToString()}
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};
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var apiUrl = LastFm.FormatApiUrl(apiMethod, Auth.ApiKey, parameters);
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var httpClient = new HttpClient();
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var lastResponse = await httpClient.GetAsync(apiUrl);
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var json = await lastResponse.Content.ReadAsStringAsync();
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LastFmApiError error;
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if (LastFm.IsResponseValid(json, out error) && lastResponse.IsSuccessStatusCode)
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{
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var jtoken = JsonConvert.DeserializeObject<JToken>(json).SelectToken("recenttracks");
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var tracksToken = jtoken.SelectToken("track");
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var tracks = new List<Track>();
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foreach (var track in tracksToken.Children())
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{
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var t = Track.ParseJToken(track);
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var date = track.SelectToken("date");
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var stamp = date.Value<double>("uts");
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t.TimePlayed = stamp.ToDateTimeUtc();
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tracks.Add(t);
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}
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var pageresponse = PageResponse<Track>.CreateSuccessResponse(tracks);
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var attrToken = jtoken.SelectToken("@attr");
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pageresponse.AddPageInfoFromJToken(attrToken);
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return pageresponse;
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}
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else
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{
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return PageResponse<Track>.CreateErrorResponse(error);
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}
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}
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public async Task<PageResponse<Station>> GetRecentStations(int pagenumber, int count = LastFm.DefaultPageLength)
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{
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const string apiMethod = "user.getRecentStations";
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var methodParameters = new Dictionary<string, string>
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{
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{"user", Auth.User.Username},
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{"page", pagenumber.ToString()},
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{"limit", count.ToString()},
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{"sk", Auth.User.Token}
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};
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var apisig = Auth.GenerateMethodSignature(apiMethod, methodParameters);
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var postContent = LastFm.CreatePostBody(apiMethod,
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Auth.ApiKey,
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apisig,
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methodParameters);
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var httpClient = new HttpClient();
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var lastResponse = await httpClient.PostAsync(LastFm.ApiRoot, postContent);
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var json = await lastResponse.Content.ReadAsStringAsync();
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LastFmApiError error;
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if (LastFm.IsResponseValid(json, out error) && lastResponse.IsSuccessStatusCode)
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{
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var jtoken = JsonConvert.DeserializeObject<JToken>(json).SelectToken("recentstations");
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var stationsToken = jtoken.SelectToken("station");
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var stations = stationsToken.Children().Select(Station.ParseJToken).ToList();
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var pageresponse = PageResponse<Station>.CreateSuccessResponse(stations);
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var attrToken = jtoken.SelectToken("@attr");
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pageresponse.AddPageInfoFromJToken(attrToken);
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return pageresponse;
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}
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else
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{
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return PageResponse<Station>.CreateErrorResponse(error);
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}
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}
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}
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} |