auto-generate properties helpers for fields shared among derived classes

src/Generator.cs

@@ -130,6 +130,7 @@ namespace WTelegram
 					}
 					continue;
 				}
+
 				if (typeInfo.Structs.All(ctor => ctor.@params.Length == 0))
 					typeInfo.AsEnum = true;
 				var nullable = typeInfo.Structs.Where(c => c.predicate == "help.noAppUpdate" ||
@@ -181,6 +182,26 @@ namespace WTelegram
 						typeInfo.ReturnName = typeInfo.MainClass.predicate;
 					}
 					typeInfo.AbstractUserOrChat = AbstractUserOrChatTypes.Contains(typeInfo.ReturnName);
+					if (typeInfo.CommonFields == 0)
+					{
+						var autoProps = typeInfo.Structs.OrderByDescending(s => s.@params.Length).First().@params
+							.Where(p => !p.type.EndsWith("?true")).ToList();
+						if (typeInfo.AbstractUserOrChat) { autoProps.Remove(ParamUsers); autoProps.Remove(ParamChats); }
+						autoProps.Remove(ParamFlags);
+						int autoPropsCount = 0;
+						foreach (var str in typeInfo.Structs)
+						{
+							if (str.ID == 0 ||str.predicate.EndsWith("Empty") || str.predicate.EndsWith("TooLong") || str.predicate.EndsWith("NotModified")) continue;
+							for (int i = autoProps.Count - 1; i >= 0; i--)
+								if (!str.@params.Contains(autoProps[i]))
+									autoProps.RemoveAt(i);
+							if (autoProps.Count == 0) break;
+							++autoPropsCount;
+						}
+						if (autoProps.Count > 0 && autoPropsCount > 1)
+							typeInfo.AutoProps = autoProps;
+					}
+
 				}
 			}
 			var layers = schema.constructors.Select(c => c.layer).Distinct().ToList();
@@ -321,14 +342,14 @@ namespace WTelegram
 				}
 				sw.Write(" : ");
 				sw.Write(parentClass);
-				if (parms.Length == 0 && !typeInfo.AbstractUserOrChat)
+				if (parms.Length == 0 && !typeInfo.AbstractUserOrChat && typeInfo.AutoProps == null)
 				{
 					sw.WriteLine(" { }");
 					commonFields = typeInfo.CommonFields;
 					continue;
 				}
 				var hasFlagEnum = parms.Any(p => p.type.StartsWith("flags."));
-				bool multiline = hasFlagEnum || parms.Length > 1 || typeInfo.AbstractUserOrChat;
+				bool multiline = hasFlagEnum || parms.Length > 1 || typeInfo.AbstractUserOrChat || typeInfo.AutoProps != null;
 				if (multiline)
 				{
 					sw.WriteLine();
@@ -381,6 +402,30 @@ namespace WTelegram
 					}
 					if (multiline) sw.WriteLine();
 				}
+				if (typeInfo.AutoProps != null)
+				{
+					bool firstLine = parms.Length != 0;
+					string format = $"{tabIndent}\tpublic ";
+					if (ctorId == 0)
+						format += "abstract {0} {1} {{ get; }}";
+					else if (ctor == typeInfo.MainClass)
+						format += "virtual {0} {1} => {2};";
+					else
+						format += "override {0} {1} => {2};";
+					foreach (var parm in typeInfo.AutoProps)
+					{
+						var value = "default";
+						if (ctor.@params.Any(p => p.name == parm.name))
+							if (!parms.Any(p => p.name == parm.name)) continue;
+							else value = MapName(parm.name);
+						else if (parm.type.StartsWith("Vector<") && className.EndsWith("Empty"))
+							value = $"Array.Empty<{MapType(parm.type, parm.name).TrimEnd('[', ']')}>()";
+						string csName = CSharpName(parm.name);
+						if (csName.EndsWith("Id") && parm.type != "int" && parm.type != "long") csName = csName[..^2];
+						if (firstLine) { sw.WriteLine(); firstLine = false; }
+						sw.WriteLine(string.Format(format, MapType(parm.type, parm.name), csName, value));
+					}
+				}
 				var hasUsersChats = parms.Contains(ParamUsers) && parms.Contains(ParamChats);
 				if (hasUsersChats || (typeInfo.AbstractUserOrChat && (ctor == typeInfo.MainClass || parentClass == typeInfo.ReturnName)))
 				{
@@ -403,11 +448,13 @@ namespace WTelegram
 				commonFields = typeInfo.CommonFields;
 			}
 		}
+		static readonly Param ParamFlags = new() { name = "flags", type = "#" };
 		static readonly Param ParamPeer = new() { name = "peer", type = "Peer" };
 		static readonly Param ParamUsers = new() { name = "users", type = "Vector<User>" };
 		static readonly Param ParamChats = new() { name = "chats", type = "Vector<Chat>" };
 		static readonly HashSet<string> AbstractUserOrChatTypes = new() {
-			"Messages_MessagesBase", "Updates_DifferenceBase", "Updates_ChannelDifferenceBase"
+			"Messages_MessagesBase", "Updates_DifferenceBase", "Updates_ChannelDifferenceBase",
+			"Messages_DialogsBase"
 		};
 
 		private static bool IsDerivedName(string derived, string basename)
@@ -463,6 +510,7 @@ namespace WTelegram
 
 		private string MapType(string type, string name)
 		{
+			if (type.StartsWith("flags.")) type = type[(type.IndexOf('?') + 1)..];
 			if (type.StartsWith("Vector<", StringComparison.OrdinalIgnoreCase))
 			{
 				if (name == "users" && type == "Vector<User>")
@@ -719,6 +767,7 @@ namespace WTelegram
 
 		private static string CSharpName(string name)
 		{
+			if (name == "id") return "ID";
 			name = char.ToUpper(name[0]) + name[1..];
 			int i;
 			while ((i = name.IndexOf('_')) > 0)
@@ -737,6 +786,7 @@ namespace WTelegram
 			internal int CommonFields; // n fields are common among all those classes
 			internal bool AsEnum;
 			internal bool AbstractUserOrChat;
+			internal List<Param> AutoProps;
 		}
 
 #pragma warning disable IDE1006 // Naming Styles

src/Helpers.TL.cs

@@ -85,8 +85,6 @@ namespace TL
 
 	partial class ChatBase : IPeerInfo
 	{
-		public abstract long ID { get; }
-		public abstract string Title { get; }
 		public abstract bool IsActive { get; }
 		/// <summary>returns true if you're banned of any of these rights</summary>
 		public abstract bool IsBanned(ChatBannedRights.Flags flags = 0);
@@ -95,8 +93,6 @@ namespace TL
 	}
 	partial class ChatEmpty
 	{
-		public override long ID => id;
-		public override string Title => null;
 		public override bool IsActive => false;
 		public override bool IsBanned(ChatBannedRights.Flags flags = 0) => true;
 		public override InputPeer ToInputPeer() => null;
@@ -104,8 +100,6 @@ namespace TL
 	}
 	partial class Chat
 	{
-		public override long ID => id;
-		public override string Title => title;
 		public override bool IsActive => (flags & (Flags.kicked | Flags.left | Flags.deactivated)) == 0;
 		public override bool IsBanned(ChatBannedRights.Flags flags = 0) => ((default_banned_rights?.flags ?? 0) & flags) != 0;
 		public override InputPeer ToInputPeer() => new InputPeerChat { chat_id = id };
@@ -113,8 +107,6 @@ namespace TL
 	}
 	partial class ChatForbidden
 	{
-		public override long ID => id;
-		public override string Title => title;
 		public override bool IsActive => false;
 		public override bool IsBanned(ChatBannedRights.Flags flags = 0) => true;
 		public override InputPeer ToInputPeer() => new InputPeerChat { chat_id = id };
@@ -122,8 +114,6 @@ namespace TL
 	}
 	partial class Channel
 	{
-		public override long ID => id;
-		public override string Title => title;
 		public override bool IsActive => (flags & Flags.left) == 0;
 		public override bool IsBanned(ChatBannedRights.Flags flags = 0) => ((banned_rights?.flags ?? 0) & flags) != 0 || ((default_banned_rights?.flags ?? 0) & flags) != 0;
 		public override InputPeer ToInputPeer() => new InputPeerChannel { channel_id = id, access_hash = access_hash };
@@ -133,74 +123,16 @@ namespace TL
 	}
 	partial class ChannelForbidden
 	{
-		public override long ID => id;
-		public override string Title => title;
 		public override bool IsActive => false;
 		public override bool IsBanned(ChatBannedRights.Flags flags = 0) => true;
 		public override InputPeer ToInputPeer() => new InputPeerChannel { channel_id = id, access_hash = access_hash };
 		public override string ToString() => $"ChannelForbidden {id} \"{title}\"";
 	}
 
-	partial class ChatParticipantBase
-	{
-		public abstract long UserId { get; }
-		public abstract bool IsAdmin { get; }
-	}
-	partial class ChatParticipant
-	{
-		public override long UserId => user_id;
-		public override bool IsAdmin => false;
-	}
-	partial class ChatParticipantCreator
-	{
-		public override long UserId => user_id;
-		public override bool IsAdmin => true;
-	}
-	partial class ChatParticipantAdmin
-	{
-		public override bool IsAdmin => true;
-	}
-
-	partial class MessageBase
-	{
-		public abstract int ID { get; }
-		public abstract Peer Peer { get; }
-		public abstract DateTime Date { get; }
-	}
-	partial class MessageEmpty
-	{
-		public override int ID => id;
-		public override Peer Peer => peer_id;
-		public override DateTime Date => default;
-	}
-	public partial class Message
-	{
-		public override int ID => id;
-		public override Peer Peer => peer_id;
-		public override DateTime Date => date;
-	}
-	public partial class MessageService
-	{
-		public override int ID => id;
-		public override Peer Peer => peer_id;
-		public override DateTime Date => date;
-	}
-
-	partial class DialogBase
-	{
-		public abstract Peer Peer { get; }
-		public abstract int TopMessage { get; }
-	}
-	partial class Dialog
-	{
-		public override Peer Peer => peer;
-		public override int TopMessage => top_message;
-	}
-	partial class DialogFolder
-	{
-		public override Peer Peer => peer;
-		public override int TopMessage => top_message;
-	}
+	partial class ChatParticipantBase		{ public abstract bool IsAdmin { get; } }
+	partial class ChatParticipant			{ public override bool IsAdmin => false; }
+	partial class ChatParticipantCreator	{ public override bool IsAdmin => true; }
+	partial class ChatParticipantAdmin		{ public override bool IsAdmin => true; }
 
 	partial class PhotoBase
 	{
@@ -216,7 +148,6 @@ namespace TL
 	partial class Photo
 	{
 		public override long ID => id;
-
 		protected override InputPhoto ToInputPhoto() => new() { id = id, access_hash = access_hash, file_reference = file_reference };
 		public InputPhotoFileLocation ToFileLocation() => ToFileLocation(LargestPhotoSize);
 		public InputPhotoFileLocation ToFileLocation(PhotoSizeBase photoSize) => new() { id = id, access_hash = access_hash, file_reference = file_reference, thumb_size = photoSize.Type };
@@ -225,49 +156,42 @@ namespace TL
 
 	partial class PhotoSizeBase
 	{
-		public abstract string Type { get; }
 		public abstract int Width { get; }
 		public abstract int Height { get; }
 		public abstract int FileSize { get; }
 	}
 	partial class PhotoSizeEmpty
 	{
-		public override string Type => type;
 		public override int Width => 0;
 		public override int Height => 0;
 		public override int FileSize => 0;
 	}
 	partial class PhotoSize
 	{
-		public override string Type => type;
 		public override int Width => w;
 		public override int Height => h;
 		public override int FileSize => size;
 	}
 	partial class PhotoCachedSize
 	{
-		public override string Type => type;
 		public override int Width => w;
 		public override int Height => h;
 		public override int FileSize => bytes.Length;
 	}
 	partial class PhotoStrippedSize
 	{
-		public override string Type => type;
 		public override int Width => bytes[2];
 		public override int Height => bytes[1];
 		public override int FileSize => bytes.Length;
 	}
 	partial class PhotoSizeProgressive
 	{
-		public override string Type => type;
 		public override int Width => w;
 		public override int Height => h;
 		public override int FileSize => sizes.Last();
 	}
 	partial class PhotoPathSize
 	{
-		public override string Type => type;
 		public override int Width => -1;
 		public override int Height => -1;
 		public override int FileSize => bytes.Length;
@@ -276,14 +200,12 @@ namespace TL
 	{
 		partial class PhotoSize
 		{
-			public override string Type => type;
 			public override int Width => w;
 			public override int Height => h;
 			public override int FileSize => size;
 		}
 		partial class PhotoCachedSize
 		{
-			public override string Type => type;
 			public override int Width => w;
 			public override int Height => h;
 			public override int FileSize => bytes.Length;
@@ -300,66 +222,17 @@ namespace TL
 		public IPeerInfo UserOrChat(DialogBase dialog) => dialog.Peer.UserOrChat(users, chats);
 	}
 
-	partial class Messages_MessagesBase
-	{
-		public abstract int Count { get; }
-		public abstract MessageBase[] Messages { get; }
-	}
-	partial class Messages_Messages
-	{
-		public override int Count => messages.Length;
-		public override MessageBase[] Messages => messages;
-	}
-	partial class Messages_MessagesSlice
-	{
-		public override int Count => count;
-	}
-	partial class Messages_ChannelMessages
-	{
-		public override int Count => count;
-		public override MessageBase[] Messages => messages;
-	}
-	partial class Messages_MessagesNotModified
-	{
-		public override int Count => count;
-		public override MessageBase[] Messages => null;
-	}
+	partial class Messages_MessagesBase			{ public abstract int Count { get; } }
+	partial class Messages_Messages				{ public override int Count => messages.Length; }
+	partial class Messages_MessagesSlice		{ public override int Count => count; }
+	partial class Messages_ChannelMessages		{ public override int Count => count; }
+	partial class Messages_MessagesNotModified	{ public override int Count => count; }
 
-	partial class Updates_DifferenceBase
-	{
-		public abstract MessageBase[] NewMessages { get; }
-		public abstract EncryptedMessageBase[] NewEncryptedMessages { get; }
-		public abstract Update[] OtherUpdates { get; }
-		public abstract Updates_State State { get; }
-	}
-	partial class Updates_DifferenceEmpty
-	{
-		public override MessageBase[] NewMessages => Array.Empty<MessageBase>();
-		public override EncryptedMessageBase[] NewEncryptedMessages => Array.Empty<EncryptedMessageBase>();
-		public override Update[] OtherUpdates => Array.Empty<Update>();
-		public override Updates_State State => null;
-	}
-	partial class Updates_Difference
-	{
-		public override MessageBase[] NewMessages => new_messages;
-		public override EncryptedMessageBase[] NewEncryptedMessages => new_encrypted_messages;
-		public override Update[] OtherUpdates => other_updates;
-		public override Updates_State State => state;
-	}
-	partial class Updates_DifferenceSlice
-	{
-		public override MessageBase[] NewMessages => new_messages;
-		public override EncryptedMessageBase[] NewEncryptedMessages => new_encrypted_messages;
-		public override Update[] OtherUpdates => other_updates;
-		public override Updates_State State => intermediate_state;
-	}
-	partial class Updates_DifferenceTooLong
-	{
-		public override MessageBase[] NewMessages => null;
-		public override EncryptedMessageBase[] NewEncryptedMessages => null;
-		public override Update[] OtherUpdates => null;
-		public override Updates_State State => null;
-	}
+	partial class Updates_DifferenceBase		{ public abstract Updates_State State { get; } }
+	partial class Updates_DifferenceEmpty		{ public override Updates_State State => null; }
+	partial class Updates_Difference			{ public override Updates_State State => state; }
+	partial class Updates_DifferenceSlice		{ public override Updates_State State => intermediate_state; }
+	partial class Updates_DifferenceTooLong		{ public override Updates_State State => null; }
 
 	partial class EncryptedFile
 	{
@@ -396,12 +269,12 @@ namespace TL
 			return type.ToLowerInvariant();
 		}
 	}
-	partial class SpeakingInGroupCallAction { public override string ToString() => "speaking in group call"; }
-	partial class SendMessageTypingAction { public override string ToString() => "typing"; }
-	partial class SendMessageCancelAction { public override string ToString() => "stopping"; }
-	partial class SendMessageGeoLocationAction { public override string ToString() => "selecting a location"; }
-	partial class SendMessageGamePlayAction { public override string ToString() => "playing a game"; }
-	partial class SendMessageHistoryImportAction { public override string ToString() => "importing history"; }
+	partial class SpeakingInGroupCallAction			{ public override string ToString() => "speaking in group call"; }
+	partial class SendMessageTypingAction			{ public override string ToString() => "typing"; }
+	partial class SendMessageCancelAction			{ public override string ToString() => "stopping"; }
+	partial class SendMessageGeoLocationAction		{ public override string ToString() => "selecting a location"; }
+	partial class SendMessageGamePlayAction			{ public override string ToString() => "playing a game"; }
+	partial class SendMessageHistoryImportAction	{ public override string ToString() => "importing history"; }
 
 	partial class StickerSet
 	{
@@ -446,7 +319,7 @@ namespace TL
 
 	partial class Messages_PeerDialogs
 	{
-		public IPeerInfo UserOrChat(DialogBase dialog) => UserOrChat(dialog.Peer);
+		public IPeerInfo UserOrChat(DialogBase dialog) => dialog.Peer.UserOrChat(users, chats);
 	}
 
 	partial class SecureFile
@@ -455,11 +328,11 @@ namespace TL
 		public InputSecureFileLocation ToFileLocation() => new() { id = id, access_hash = access_hash };
 	}
 
-	partial class JsonObjectValue { public override string ToString() => $"{HttpUtility.JavaScriptStringEncode(key, true)}:{value}"; }
-	partial class JsonNull { public override string ToString() => "null"; }
-	partial class JsonBool { public override string ToString() => value ? "true" : "false"; }
-	partial class JsonNumber { public override string ToString() => value.ToString(CultureInfo.InvariantCulture); }
-	partial class JsonString { public override string ToString() => HttpUtility.JavaScriptStringEncode(value, true); }
+	partial class JsonObjectValue	{ public override string ToString() => $"{HttpUtility.JavaScriptStringEncode(key, true)}:{value}"; }
+	partial class JsonNull			{ public override string ToString() => "null"; }
+	partial class JsonBool			{ public override string ToString() => value ? "true" : "false"; }
+	partial class JsonNumber		{ public override string ToString() => value.ToString(CultureInfo.InvariantCulture); }
+	partial class JsonString		{ public override string ToString() => HttpUtility.JavaScriptStringEncode(value, true); }
 	partial class JsonArray
 	{
 		public override string ToString()

src/TL.MTProto.cs

@@ -130,7 +130,12 @@ namespace TL
 		public byte[] info;
 	}
 
-	public abstract partial class MsgDetailedInfoBase : ITLObject { }
+	public abstract partial class MsgDetailedInfoBase : ITLObject
+	{
+		public abstract long AnswerMsgId { get; }
+		public abstract int Bytes { get; }
+		public abstract int Status { get; }
+	}
 	[TLDef(0x276D3EC6)] //msg_detailed_info#276d3ec6 msg_id:long answer_msg_id:long bytes:int status:int = MsgDetailedInfo
 	public partial class MsgDetailedInfo : MsgDetailedInfoBase
 	{
@@ -138,6 +143,10 @@ namespace TL
 		public long answer_msg_id;
 		public int bytes;
 		public int status;
+
+		public override long AnswerMsgId => answer_msg_id;
+		public override int Bytes => bytes;
+		public override int Status => status;
 	}
 	[TLDef(0x809DB6DF)] //msg_new_detailed_info#809db6df answer_msg_id:long bytes:int status:int = MsgDetailedInfo
 	public partial class MsgNewDetailedInfo : MsgDetailedInfoBase
@@ -145,6 +154,10 @@ namespace TL
 		public long answer_msg_id;
 		public int bytes;
 		public int status;
+
+		public override long AnswerMsgId => answer_msg_id;
+		public override int Bytes => bytes;
+		public override int Status => status;
 	}
 
 	[TLDef(0x7D861A08)] //msg_resend_req#7d861a08 msg_ids:Vector<long> = MsgResendReq

src/TL.Secret.cs

@@ -8,7 +8,10 @@ namespace TL
 	using Client = WTelegram.Client;
 
 	///<summary>See <a href="https://corefork.telegram.org/type/DecryptedMessage"/></summary>
-	public abstract partial class DecryptedMessageBase : ITLObject { }
+	public abstract partial class DecryptedMessageBase : ITLObject
+	{
+		public abstract long RandomId { get; }
+	}
 
 	///<summary>See <a href="https://corefork.telegram.org/type/DecryptedMessageMedia"/></summary>
 	///<remarks>a <c>null</c> value means <a href="https://corefork.telegram.org/constructor/decryptedMessageMediaEmpty">decryptedMessageMediaEmpty</a></remarks>
@@ -18,7 +21,12 @@ namespace TL
 	public abstract partial class DecryptedMessageAction : ITLObject { }
 
 	///<summary>See <a href="https://corefork.telegram.org/type/FileLocation"/></summary>
-	public abstract partial class FileLocationBase : ITLObject { }
+	public abstract partial class FileLocationBase : ITLObject
+	{
+		public abstract long VolumeId { get; }
+		public abstract int LocalId { get; }
+		public abstract long Secret { get; }
+	}
 
 	namespace Layer8
 	{
@@ -30,6 +38,8 @@ namespace TL
 			public byte[] random_bytes;
 			public string message;
 			public DecryptedMessageMedia media;
+
+			public override long RandomId => random_id;
 		}
 		///<summary>See <a href="https://corefork.telegram.org/constructor/decryptedMessageService"/></summary>
 		[TLDef(0xAA48327D)]
@@ -38,6 +48,8 @@ namespace TL
 			public long random_id;
 			public byte[] random_bytes;
 			public DecryptedMessageAction action;
+
+			public override long RandomId => random_id;
 		}
 
 		///<summary>See <a href="https://corefork.telegram.org/constructor/decryptedMessageMediaPhoto"/></summary>
@@ -146,6 +158,8 @@ namespace TL
 			public int ttl;
 			public string message;
 			public DecryptedMessageMedia media;
+
+			public override long RandomId => random_id;
 		}
 		///<summary>See <a href="https://corefork.telegram.org/constructor/decryptedMessageService"/></summary>
 		[TLDef(0x73164160)]
@@ -153,6 +167,8 @@ namespace TL
 		{
 			public long random_id;
 			public DecryptedMessageAction action;
+
+			public override long RandomId => random_id;
 		}
 
 		///<summary>See <a href="https://corefork.telegram.org/constructor/decryptedMessageMediaVideo"/></summary>
@@ -238,6 +254,8 @@ namespace TL
 			[IfFlag(7)] public MessageEntity[] entities;
 			[IfFlag(11)] public string via_bot_name;
 			[IfFlag(3)] public long reply_to_random_id;
+
+			public override long RandomId => random_id;
 		}
 
 		///<summary>See <a href="https://corefork.telegram.org/constructor/decryptedMessageMediaPhoto"/></summary>
@@ -317,6 +335,8 @@ namespace TL
 			[IfFlag(11)] public string via_bot_name;
 			[IfFlag(3)] public long reply_to_random_id;
 			[IfFlag(17)] public long grouped_id;
+
+			public override long RandomId => random_id;
 		}
 	}
 
@@ -363,6 +383,8 @@ namespace TL
 			public int w;
 			public int h;
 			public int size;
+
+			public override string Type => type;
 		}
 		///<summary>See <a href="https://corefork.telegram.org/constructor/photoCachedSize"/></summary>
 		[TLDef(0xE9A734FA)]
@@ -373,6 +395,8 @@ namespace TL
 			public int w;
 			public int h;
 			public byte[] bytes;
+
+			public override string Type => type;
 		}
 
 		///<summary>See <a href="https://corefork.telegram.org/constructor/documentAttributeSticker"/></summary>
@@ -411,6 +435,10 @@ namespace TL
 			public long volume_id;
 			public int local_id;
 			public long secret;
+
+			public override long VolumeId => volume_id;
+			public override int LocalId => local_id;
+			public override long Secret => secret;
 		}
 		///<summary>See <a href="https://corefork.telegram.org/constructor/fileLocation"/></summary>
 		[TLDef(0x53D69076)]
@@ -420,6 +448,10 @@ namespace TL
 			public long volume_id;
 			public int local_id;
 			public long secret;
+
+			public override long VolumeId => volume_id;
+			public override int LocalId => local_id;
+			public override long Secret => secret;
 		}
 	}