70 lines
2.6 KiB
C#
70 lines
2.6 KiB
C#
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Threading.Tasks;
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using Google.Apis.YouTube.v3;
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using Google.Apis.Services;
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using System.Text.RegularExpressions;
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using System.Diagnostics.Contracts;
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namespace NadekoBot.Services.Impl
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{
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public class YoutubeService : IYoutubeService
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{
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private YouTubeService yt;
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public YoutubeService()
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{
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yt = new YouTubeService(new BaseClientService.Initializer {
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ApplicationName = "Nadeko Bot",
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ApiKey = NadekoBot.Credentials.GoogleApiKey
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});
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}
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public async Task<IEnumerable<string>> FindPlaylistIdsByKeywordsAsync(string keywords, int count = 1)
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{
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Contract.Requires<ArgumentNullException>(!string.IsNullOrWhiteSpace(keywords));
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Contract.Requires<ArgumentOutOfRangeException>(count > 0);
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var match = new Regex("(?:youtu\\.be\\/|list=)(?<id>[\\da-zA-Z\\-_]*)").Match(keywords);
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if (match.Length > 1)
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{
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return new[] { match.Groups["id"].Value.ToString() };
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}
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var query = yt.Search.List("snippet");
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query.MaxResults = count;
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query.Type = "playlist";
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return (await query.ExecuteAsync()).Items.Select(i => i.Id.PlaylistId);
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}
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public async Task<IEnumerable<string>> FindRelatedVideosAsync(string id, int count = 1)
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{
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Contract.Requires<ArgumentNullException>(!string.IsNullOrWhiteSpace(id));
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Contract.Requires<ArgumentOutOfRangeException>(count > 0);
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var match = new Regex("(?:youtu\\.be\\/|v=)(?<id>[\\da-zA-Z\\-_]*)").Match(id);
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if (match.Length > 1)
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{
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id = match.Groups["id"].Value;
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}
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var query = yt.Search.List("snippet");
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query.MaxResults = count;
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query.RelatedToVideoId = id;
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query.Type = "video";
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return (await query.ExecuteAsync()).Items.Select(i => "http://www.youtube.com/watch?v=" + i.Id.VideoId);
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}
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public async Task<IEnumerable<string>> FindVideosByKeywordsAsync(string keywords, int count = 1)
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{
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Contract.Requires<ArgumentNullException>(!string.IsNullOrWhiteSpace(keywords));
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Contract.Requires<ArgumentOutOfRangeException>(count > 0);
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var query = yt.Search.List("snippet");
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query.MaxResults = count;
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query.Q = keywords;
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query.Type = "video";
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return (await query.ExecuteAsync()).Items.Select(i => "http://www.youtube.com/watch?v=" + i.Id.VideoId);
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}
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}
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}
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