OpenTween/Api/GraphQL/SearchTimelineRequest.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 SearchTimelineRequest
  33     {
  34         public static readonly string EndpointName = "SearchTimeline";
  35
  36         private static readonly Uri EndpointUri = new("https://twitter.com/i/api/graphql/lZ0GCEojmtQfiUQa5oJSEw/SearchTimeline");
  37
  38         public string RawQuery { get; set; }
  39
  40         public int Count { get; set; } = 20;
  41
  42         public string? Cursor { get; set; }
  43
  44         public SearchTimelineRequest(string rawQuery)
  45             => this.RawQuery = rawQuery;
  46
  47         public Dictionary<string, string> CreateParameters()
  48         {
  49             return new()
  50             {
  51                 ["variables"] = "{" +
  52                     $@"""rawQuery"":""{JsonUtils.EscapeJsonString(this.RawQuery)}""," +
  53                     $@"""count"":{this.Count}," +
  54                     $@"""product"":""Latest""" +
  55                     (this.Cursor != null ? $@",""cursor"":""{JsonUtils.EscapeJsonString(this.Cursor)}""" : "") +
  56                     "}",
  57                 ["features"] = "{" +
  58                     @"""responsive_web_graphql_exclude_directive_enabled"":true," +
  59                     @"""verified_phone_label_enabled"":false," +
  60                     @"""responsive_web_home_pinned_timelines_enabled"":true," +
  61                     @"""creator_subscriptions_tweet_preview_api_enabled"":true," +
  62                     @"""responsive_web_graphql_timeline_navigation_enabled"":true," +
  63                     @"""responsive_web_graphql_skip_user_profile_image_extensions_enabled"":false," +
  64                     @"""c9s_tweet_anatomy_moderator_badge_enabled"":true," +
  65                     @"""tweetypie_unmention_optimization_enabled"":true," +
  66                     @"""responsive_web_edit_tweet_api_enabled"":true," +
  67                     @"""graphql_is_translatable_rweb_tweet_is_translatable_enabled"":true," +
  68                     @"""view_counts_everywhere_api_enabled"":true," +
  69                     @"""longform_notetweets_consumption_enabled"":true," +
  70                     @"""responsive_web_twitter_article_tweet_consumption_enabled"":false," +
  71                     @"""tweet_awards_web_tipping_enabled"":false," +
  72                     @"""freedom_of_speech_not_reach_fetch_enabled"":true," +
  73                     @"""standardized_nudges_misinfo"":true," +
  74                     @"""tweet_with_visibility_results_prefer_gql_limited_actions_policy_enabled"":true," +
  75                     @"""longform_notetweets_rich_text_read_enabled"":true," +
  76                     @"""longform_notetweets_inline_media_enabled"":true," +
  77                     @"""responsive_web_media_download_video_enabled"":false," +
  78                     @"""responsive_web_enhance_cards_enabled"":false" +
  79                     "}",
  80             };
  81         }
  82
  83         public async Task<TimelineResponse> Send(IApiConnection apiConnection)
  84         {
  85             var request = new GetRequest
  86             {
  87                 RequestUri = EndpointUri,
  88                 Query = this.CreateParameters(),
  89                 EndpointName = EndpointName,
  90             };
  91
  92             using var response = await apiConnection.SendAsync(request)
  93                 .ConfigureAwait(false);
  94
  95             var rootElm = await response.ReadAsJsonXml()
  96                 .ConfigureAwait(false);
  97
  98             ErrorResponse.ThrowIfError(rootElm);
  99
 100             var tweets = TimelineTweet.ExtractTimelineTweets(rootElm);
 101             var cursorTop = rootElm.XPathSelectElement("//content[__typename[text()='TimelineTimelineCursor']][cursorType[text()='Top']]/value")?.Value;
 102             var cursorBottom = rootElm.XPathSelectElement("//content[__typename[text()='TimelineTimelineCursor']][cursorType[text()='Bottom']]/value")?.Value;
 103
 104             return new(tweets, cursorTop, cursorBottom);
 105         }
 106     }
 107 }