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C# 8.0 のnull許容参照型を有効化
[opentween/open-tween.git] / OpenTween / ListElement.cs
1 // OpenTween - Client of Twitter
2 // Copyright (c) 2007-2011 kiri_feather (@kiri_feather) <kiri.feather@gmail.com>
3 //           (c) 2008-2011 Moz (@syo68k)
4 //           (c) 2008-2011 takeshik (@takeshik) <http://www.takeshik.org/>
5 //           (c) 2010-2011 anis774 (@anis774) <http://d.hatena.ne.jp/anis774/>
6 //           (c) 2010-2011 fantasticswallow (@f_swallow) <http://twitter.com/f_swallow>
7 //           (c) 2011      Egtra (@egtra) <http://dev.activebasic.com/egtra/>
8 // All rights reserved.
9 //
10 // This file is part of OpenTween.
11 //
12 // This program is free software; you can redistribute it and/or modify it
13 // under the terms of the GNU General Public License as published by the Free
14 // Software Foundation; either version 3 of the License, or (at your option)
15 // any later version.
16 //
17 // This program is distributed in the hope that it will be useful, but
18 // WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
19 // or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
20 // for more details.
21 //
22 // You should have received a copy of the GNU General Public License along
23 // with this program. If not, see <http://www.gnu.org/licenses/>, or write to
24 // the Free Software Foundation, Inc., 51 Franklin Street - Fifth Floor,
25 // Boston, MA 02110-1301, USA.
26
27 #nullable enable
28
29 using System.Collections.Generic;
30 using System.Threading.Tasks;
31 using System.Xml.Serialization;
32 using OpenTween.Api.DataModel;
33
34 namespace OpenTween
35 {
36     public class ListElement
37     {
38         public long Id = 0;
39         public string Name = "";
40         public string Description = "";
41         public string Slug = "";
42         public bool IsPublic = true;
43         public int SubscriberCount = 0;   //購読者数
44         public int MemberCount = 0;   //リストメンバ数
45         public long UserId = 0;
46         public string Username = "";
47         public string Nickname = "";
48
49         protected Twitter _tw = null!;
50
51         private List<UserInfo> _members = new List<UserInfo>();
52
53         [XmlIgnore]
54         public long Cursor { get; private set; } = -1;
55
56         public ListElement()
57         {
58         }
59
60         public ListElement(TwitterList listElementData, Twitter tw)
61         {
62             this.Description = listElementData.Description;
63             this.Id = listElementData.Id;
64             this.IsPublic = (listElementData.Mode == "public");
65             this.MemberCount = listElementData.MemberCount;
66             this.Name = listElementData.Name;
67             this.SubscriberCount = listElementData.SubscriberCount;
68             this.Slug = listElementData.Slug;
69             this.Nickname = listElementData.User.Name.Trim();
70             this.Username = listElementData.User.ScreenName;
71             this.UserId = listElementData.User.Id;
72
73             this._tw = tw;
74         }
75
76         public virtual async Task Refresh()
77         {
78             var newList = await _tw.EditList(this.Id, Name, !this.IsPublic, this.Description)
79                 .ConfigureAwait(false);
80
81             this.Description = newList.Description;
82             this.Id = newList.Id;
83             this.IsPublic = newList.IsPublic;
84             this.MemberCount = newList.MemberCount;
85             this.Name = newList.Name;
86             this.SubscriberCount = newList.SubscriberCount;
87             this.Slug = newList.Slug;
88             this.Nickname = newList.Nickname;
89             this.Username = newList.Username;
90             this.UserId = newList.UserId;
91         }
92
93         [XmlIgnore]
94         public List<UserInfo> Members
95             => this._members;
96
97         public async Task RefreshMembers()
98         {
99             var users = new List<UserInfo>();
100             this.Cursor = await this._tw.GetListMembers(this.Id, users, cursor: -1)
101                 .ConfigureAwait(false);
102             this._members = users;
103         }
104
105         public async Task GetMoreMembers()
106             => this.Cursor = await this._tw.GetListMembers(this.Id, this._members, this.Cursor)
107                 .ConfigureAwait(false);
108
109         public override string ToString()
110             => $"@{Username}/{Name} [{(this.IsPublic ? "public" : "Protected")}]";
111     }
112 }