mirror of
https://github.com/Sarsoo/Spotify.NET.git
synced 2024-10-17 07:23:08 +01:00
302 lines
13 KiB
C#
302 lines
13 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Threading.Tasks;
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using SpotifyAPI.Web.Http;
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using System.Runtime.CompilerServices;
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using System.Threading;
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namespace SpotifyAPI.Web
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{
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public class SpotifyClient : ISpotifyClient
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{
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private readonly IAPIConnector _apiConnector;
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public SpotifyClient(IToken token) :
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this(SpotifyClientConfig.CreateDefault(token?.AccessToken ?? throw new ArgumentNullException(nameof(token)), token.TokenType))
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{ }
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public SpotifyClient(string token, string tokenType = "Bearer") :
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this(SpotifyClientConfig.CreateDefault(token, tokenType))
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{ }
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public SpotifyClient(SpotifyClientConfig config)
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{
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Ensure.ArgumentNotNull(config, nameof(config));
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if (config.Authenticator == null)
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{
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#pragma warning disable CA2208
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throw new ArgumentNullException("Authenticator in config is null. Please supply it via `WithAuthenticator` or `WithToken`");
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#pragma warning restore CA2208
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}
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_apiConnector = config.BuildAPIConnector();
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_apiConnector.ResponseReceived += (sender, response) =>
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{
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LastResponse = response;
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};
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DefaultPaginator = config.DefaultPaginator;
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UserProfile = new UserProfileClient(_apiConnector);
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Browse = new BrowseClient(_apiConnector);
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Shows = new ShowsClient(_apiConnector);
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Playlists = new PlaylistsClient(_apiConnector);
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Search = new SearchClient(_apiConnector);
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Follow = new FollowClient(_apiConnector);
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Tracks = new TracksClient(_apiConnector);
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Player = new PlayerClient(_apiConnector);
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Albums = new AlbumsClient(_apiConnector);
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Artists = new ArtistsClient(_apiConnector);
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Personalization = new PersonalizationClient(_apiConnector);
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Episodes = new EpisodesClient(_apiConnector);
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Library = new LibraryClient(_apiConnector);
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}
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public IPaginator DefaultPaginator { get; }
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public IUserProfileClient UserProfile { get; }
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public IBrowseClient Browse { get; }
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public IShowsClient Shows { get; }
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public IPlaylistsClient Playlists { get; }
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public ISearchClient Search { get; }
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public IFollowClient Follow { get; }
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public ITracksClient Tracks { get; }
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public IPlayerClient Player { get; }
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public IAlbumsClient Albums { get; }
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public IArtistsClient Artists { get; }
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public IPersonalizationClient Personalization { get; }
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public IEpisodesClient Episodes { get; }
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public ILibraryClient Library { get; }
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public IResponse? LastResponse { get; private set; }
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/// <summary>
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/// Fetches all pages and returns them grouped in a list.
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/// The default paginator will fetch all available resources without a delay between requests.
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/// This can drain your request limit quite fast, so consider using a custom paginator with delays.
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/// </summary>
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/// <param name="firstPage">The first page, will be included in the output list!</param>
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/// <param name="paginator">Optional. If not supplied, DefaultPaginator will be used</param>
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/// <typeparam name="T">The Paging-Type</typeparam>
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/// <returns>A list containing all fetched pages</returns>
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public Task<IList<T>> PaginateAll<T>(IPaginatable<T> firstPage, IPaginator? paginator = null)
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{
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return (paginator ?? DefaultPaginator).PaginateAll(firstPage, _apiConnector);
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}
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/// <summary>
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/// Fetches all pages and returns them grouped in a list.
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/// Some responses (e.g search response) have the pagination nested in a JSON Property.
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/// To workaround this limitation, the mapper is required and needs to point to the correct next pagination.
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/// The default paginator will fetch all available resources without a delay between requests.
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/// This can drain your request limit quite fast, so consider using a custom paginator with delays.
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/// </summary>
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/// <param name="firstPage">A first page, will be included in the output list!</param>
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/// <param name="mapper">A function which maps response objects to the next paging object</param>
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/// <param name="paginator">Optional. If not supplied, DefaultPaginator will be used</param>
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/// <typeparam name="T">The Paging-Type</typeparam>
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/// <typeparam name="TNext">The Response-Type</typeparam>
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/// <returns>A list containing all fetched pages</returns>
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public Task<IList<T>> PaginateAll<T, TNext>(
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IPaginatable<T, TNext> firstPage,
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Func<TNext, IPaginatable<T, TNext>> mapper,
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IPaginator? paginator = null
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)
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{
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return (paginator ?? DefaultPaginator).PaginateAll(firstPage, mapper, _apiConnector);
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}
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private Task<T> FetchPage<T>(string? nextUrl)
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{
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if (nextUrl == null)
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{
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throw new APIPagingException("The paging object has no next page");
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}
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return _apiConnector.Get<T>(new Uri(nextUrl, UriKind.Absolute));
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}
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/// <summary>
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/// Fetches the next page of the paging object
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/// </summary>
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/// <param name="paging">A paging object which has a next page</param>
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/// <typeparam name="T"></typeparam>
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/// <returns></returns>
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public Task<Paging<T>> NextPage<T>(Paging<T> paging)
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{
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Ensure.ArgumentNotNull(paging, nameof(paging));
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return FetchPage<Paging<T>>(paging.Next);
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}
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/// <summary>
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/// Fetches the next page of the cursor paging object
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/// </summary>
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/// <param name="cursorPaging">A cursor paging object which has a next page</param>
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/// <typeparam name="T"></typeparam>
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/// <returns></returns>
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public Task<CursorPaging<T>> NextPage<T>(CursorPaging<T> cursorPaging)
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{
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Ensure.ArgumentNotNull(cursorPaging, nameof(cursorPaging));
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return FetchPage<CursorPaging<T>>(cursorPaging.Next);
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}
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/// <summary>
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/// Fetches the next page of the complex IPaginatable object.
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/// </summary>
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/// <param name="paginatable">A complex IPaginatable object with a next page</param>
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/// <typeparam name="T"></typeparam>
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/// <typeparam name="TNext">The type of the next page</typeparam>
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/// <returns></returns>
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public Task<TNext> NextPage<T, TNext>(IPaginatable<T, TNext> paginatable)
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{
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Ensure.ArgumentNotNull(paginatable, nameof(paginatable));
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return FetchPage<TNext>(paginatable.Next);
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}
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/// <summary>
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/// Fetches the previous page of the paging object.
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/// </summary>
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/// <param name="paging">A paging object with a previous page</param>
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/// <typeparam name="T"></typeparam>
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/// <returns></returns>
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public Task<Paging<T>> PreviousPage<T>(Paging<T> paging)
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{
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Ensure.ArgumentNotNull(paging, nameof(paging));
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return FetchPage<Paging<T>>(paging.Previous);
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}
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/// <summary>
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/// Fetches the previous page of the complex paging object.
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/// </summary>
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/// <param name="paging">A complex paging object with a previous page</param>
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/// <typeparam name="T"></typeparam>
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/// <typeparam name="TNext">The type of the next page</typeparam>
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/// <returns></returns>
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public Task<TNext> PreviousPage<T, TNext>(Paging<T, TNext> paging)
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{
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Ensure.ArgumentNotNull(paging, nameof(paging));
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return FetchPage<TNext>(paging.Previous);
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}
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/// <summary>
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/// Paginate through pages by using IAsyncEnumerable, introduced in C# 8
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/// The default paginator will fetch all available resources without a delay between requests.
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/// This can drain your request limit quite fast, so consider using a custom paginator with delays.
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/// </summary>
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/// <param name="firstPage">A first page, will be included in the output list!</param>
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/// <param name="paginator">Optional. If not supplied, DefaultPaginator will be used</param>
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/// <param name="cancellationToken">An optional Cancellation Token</param>
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/// <typeparam name="T">The Paging-Type</typeparam>
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/// <returns>An iterable IAsyncEnumerable</returns>
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public IAsyncEnumerable<T> Paginate<T>(
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IPaginatable<T> firstPage,
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IPaginator? paginator = null,
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CancellationToken cancellationToken = default
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)
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{
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return (paginator ?? DefaultPaginator).Paginate(firstPage, _apiConnector, cancellationToken);
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}
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/// <summary>
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/// Paginate through pages by using IAsyncEnumerable, introduced in C# 8
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/// Some responses (e.g search response) have the pagination nested in a JSON Property.
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/// To workaround this limitation, the mapper is required and needs to point to the correct next pagination.
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/// The default paginator will fetch all available resources without a delay between requests.
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/// This can drain your request limit quite fast, so consider using a custom paginator with delays.
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/// </summary>
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/// <param name="firstPage">A first page, will be included in the output list!</param>
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/// <param name="mapper">A function which maps response objects to the next paging object</param>
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/// <param name="paginator">Optional. If not supplied, DefaultPaginator will be used</param>
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/// <param name="cancellationToken">An optional Cancellation Token</param>
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/// <typeparam name="T">The Paging-Type</typeparam>
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/// <typeparam name="TNext">The Response-Type</typeparam>
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/// <returns></returns>
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public IAsyncEnumerable<T> Paginate<T, TNext>(
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IPaginatable<T, TNext> firstPage,
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Func<TNext, IPaginatable<T, TNext>> mapper,
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IPaginator? paginator = null,
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CancellationToken cancellationToken = default
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)
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{
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return (paginator ?? DefaultPaginator).Paginate(firstPage, mapper, _apiConnector, cancellationToken);
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}
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/// <summary>
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/// Paginate through pages by using IAsyncEnumerable, introduced in C# 8
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/// Some responses (e.g search response) have the pagination nested in a JSON Property.
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/// To workaround this limitation, the mapper is required and needs to point to the correct next pagination.
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/// The default paginator will fetch all available resources without a delay between requests.
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/// This can drain your request limit quite fast, so consider using a custom paginator with delays.
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/// </summary>
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/// <param name="getFirstPage">A Function to retrive the first page, will be included in the output list!</param>
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/// <param name="mapper">A function which maps response objects to the next paging object</param>
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/// <param name="paginator">Optional. If not supplied, DefaultPaginator will be used</param>
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/// <param name="cancellationToken">An optional Cancellation Token</param>
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/// <typeparam name="T">The Paging-Type</typeparam>
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/// <typeparam name="TNext">The Response-Type</typeparam>
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/// <returns></returns>
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public async IAsyncEnumerable<T> Paginate<T, TNext>(
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Func<Task<IPaginatable<T, TNext>>> getFirstPage,
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Func<TNext, IPaginatable<T, TNext>> mapper,
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IPaginator? paginator = null,
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[EnumeratorCancellation] CancellationToken cancellationToken = default)
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{
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Ensure.ArgumentNotNull(getFirstPage, nameof(getFirstPage));
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var firstPage = await getFirstPage().ConfigureAwait(false);
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await foreach (var item in (paginator ?? DefaultPaginator)
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.Paginate(firstPage, mapper, _apiConnector, cancellationToken)
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.WithCancellation(cancellationToken)
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)
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{
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yield return item;
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}
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}
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/// <summary>
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/// Paginate through pages by using IAsyncEnumerable, introduced in C# 8
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/// Some responses (e.g search response) have the pagination nested in a JSON Property.
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/// To workaround this limitation, the mapper is required and needs to point to the correct next pagination.
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/// The default paginator will fetch all available resources without a delay between requests.
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/// This can drain your request limit quite fast, so consider using a custom paginator with delays.
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/// </summary>
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/// <param name="firstPageTask">A Task to retrive the first page, will be included in the output list!</param>
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/// <param name="mapper">A function which maps response objects to the next paging object</param>
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/// <param name="paginator">Optional. If not supplied, DefaultPaginator will be used</param>
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/// <param name="cancellationToken">An optional Cancellation Token</param>
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/// <typeparam name="T">The Paging-Type</typeparam>
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/// <typeparam name="TNext">The Response-Type</typeparam>
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/// <returns></returns>
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public async IAsyncEnumerable<T> Paginate<T, TNext>(
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Task<IPaginatable<T, TNext>> firstPageTask,
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Func<TNext, IPaginatable<T, TNext>> mapper,
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IPaginator? paginator = null,
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[EnumeratorCancellation] CancellationToken cancellationToken = default)
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{
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Ensure.ArgumentNotNull(firstPageTask, nameof(firstPageTask));
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var firstPage = await firstPageTask.ConfigureAwait(false);
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await foreach (var item in (paginator ?? DefaultPaginator)
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.Paginate(firstPage, mapper, _apiConnector, cancellationToken)
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.WithCancellation(cancellationToken)
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)
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{
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yield return item;
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}
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}
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}
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}
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