OpenTween/Api/GraphQL/HomeLatestTimelineRequest.cs

   1 // OpenTween - Client of Twitter
   2 // Copyright (c) 2023 kim_upsilon (@kim_upsilon) <https://upsilo.net/~upsilon/>
   3 // All rights reserved.
   4 //
   5 // This file is part of OpenTween.
   6 //
   7 // This program is free software; you can redistribute it and/or modify it
   8 // under the terms of the GNU General Public License as published by the Free
   9 // Software Foundation; either version 3 of the License, or (at your option)
  10 // any later version.
  11 //
  12 // This program is distributed in the hope that it will be useful, but
  13 // WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
  14 // or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
  15 // for more details.
  16 //
  17 // You should have received a copy of the GNU General Public License along
  18 // with this program. If not, see <http://www.gnu.org/licenses/>, or write to
  19 // the Free Software Foundation, Inc., 51 Franklin Street - Fifth Floor,
  20 // Boston, MA 02110-1301, USA.
  21
  22 #nullable enable
  23
  24 using System;
  25 using System.Collections.Generic;
  26 using System.Threading.Tasks;
  27 using System.Xml.XPath;
  28 using OpenTween.Connection;
  29
  30 namespace OpenTween.Api.GraphQL
  31 {
  32     public class HomeLatestTimelineRequest
  33     {
  34         public static readonly string EndpointName = "HomeLatestTimeline";
  35
  36         private static readonly Uri EndpointUri = new("https://twitter.com/i/api/graphql/lAKISuk_McyDUlhS2Zmv4A/HomeLatestTimeline");
  37
  38         public int Count { get; set; } = 20;
  39
  40         public string? Cursor { get; set; }
  41
  42         public Dictionary<string, string> CreateParameters()
  43         {
  44             return new()
  45             {
  46                 ["variables"] = "{" +
  47                     $@"""includePromotedContent"":true,""latestControlAvailable"":true,""requestContext"":""launch""," +
  48                     $@"""count"":{this.Count}" +
  49                     (this.Cursor != null ? $@",""cursor"":""{JsonUtils.EscapeJsonString(this.Cursor)}""" : "") +
  50                     "}",
  51                 ["features"] = """
  52                     {"responsive_web_graphql_exclude_directive_enabled":true,"verified_phone_label_enabled":false,"creator_subscriptions_tweet_preview_api_enabled":true,"responsive_web_graphql_timeline_navigation_enabled":true,"responsive_web_graphql_skip_user_profile_image_extensions_enabled":false,"c9s_tweet_anatomy_moderator_badge_enabled":true,"tweetypie_unmention_optimization_enabled":true,"responsive_web_edit_tweet_api_enabled":true,"graphql_is_translatable_rweb_tweet_is_translatable_enabled":true,"view_counts_everywhere_api_enabled":true,"longform_notetweets_consumption_enabled":true,"responsive_web_twitter_article_tweet_consumption_enabled":true,"tweet_awards_web_tipping_enabled":false,"freedom_of_speech_not_reach_fetch_enabled":true,"standardized_nudges_misinfo":true,"tweet_with_visibility_results_prefer_gql_limited_actions_policy_enabled":true,"rweb_video_timestamps_enabled":true,"longform_notetweets_rich_text_read_enabled":true,"longform_notetweets_inline_media_enabled":true,"responsive_web_media_download_video_enabled":false,"responsive_web_enhance_cards_enabled":false}
  53                     """,
  54             };
  55         }
  56
  57         public async Task<TimelineResponse> Send(IApiConnection apiConnection)
  58         {
  59             var request = new GetRequest
  60             {
  61                 RequestUri = EndpointUri,
  62                 Query = this.CreateParameters(),
  63                 EndpointName = EndpointName,
  64             };
  65
  66             using var response = await apiConnection.SendAsync(request)
  67                 .ConfigureAwait(false);
  68
  69             var rootElm = await response.ReadAsJsonXml()
  70                 .ConfigureAwait(false);
  71
  72             ErrorResponse.ThrowIfError(rootElm);
  73
  74             var tweets = TimelineTweet.ExtractTimelineTweets(rootElm);
  75             var cursorTop = rootElm.XPathSelectElement("//content[__typename[text()='TimelineTimelineCursor']][cursorType[text()='Top']]/value")?.Value;
  76             var cursorBottom = rootElm.XPathSelectElement("//content[__typename[text()='TimelineTimelineCursor']][cursorType[text()='Bottom']]/value")?.Value;
  77
  78             return new(tweets, cursorTop, cursorBottom);
  79         }
  80     }
  81 }