Added LastSeenAgo

and other helpers

src/TL.Helpers.cs

@@ -83,8 +83,23 @@ namespace TL
 		public override string ToString() => username != null ? '@' + username : last_name == null ? first_name : $"{first_name} {last_name}";
 		public override InputPeer ToInputPeer() => new InputPeerUser { user_id = id, access_hash = access_hash };
 		protected override InputUserBase ToInputUser() => new InputUser { user_id = id, access_hash = access_hash };
+		/// <summary>An estimation of the number of days ago the user was last seen (Online=0, Recently=1, LastWeek=5, LastMonth=20, LongTimeAgo=150)</summary>
+		public TimeSpan LastSeenAgo => status?.LastSeenAgo ?? TimeSpan.FromDays(150);
 	}
 
+
+	/// <remarks>a <c>null</c> value means <a href="https://corefork.telegram.org/constructor/userStatusEmpty">userStatusEmpty</a> = last seen a long time ago, more than a month (this is also always shown to blocked users)</remarks>
+	partial class UserStatus			{ /// <summary>An estimation of the number of days ago the user was last seen (online=0, recently=1, lastWeek=5, lastMonth=20)<br/><see cref="UserStatus"/> = <c>null</c> means a long time ago, more than a month (this is also always shown to blocked users)</summary>
+										  public abstract TimeSpan LastSeenAgo { get; } }
+	partial class UserStatusOnline		{ public override TimeSpan LastSeenAgo => TimeSpan.Zero; }
+	partial class UserStatusOffline		{ public override TimeSpan LastSeenAgo => DateTime.UtcNow - new DateTime((was_online + 62135596800L) * 10000000, DateTimeKind.Utc); }
+	/// <remarks>covers anything between 1 second and 2-3 days</remarks>
+	partial class UserStatusRecently	{ public override TimeSpan LastSeenAgo => TimeSpan.FromDays(1); }
+	/// <remarks>between 2-3 and seven days</remarks>
+	partial class UserStatusLastWeek	{ public override TimeSpan LastSeenAgo => TimeSpan.FromDays(5); }
+	/// <remarks>between 6-7 days and a month</remarks>
+	partial class UserStatusLastMonth	{ public override TimeSpan LastSeenAgo => TimeSpan.FromDays(20); }
+
 	partial class ChatBase : IPeerInfo
 	{
 		public abstract bool IsActive { get; }
@@ -280,6 +295,8 @@ namespace TL
 		public static implicit operator InputStickerSetID(StickerSet stickerSet) => new() { id = stickerSet.id, access_hash = stickerSet.access_hash };
 	}
 
+	partial class InputChannel { public static implicit operator InputPeerChannel(InputChannel channel) => new() { channel_id = channel.channel_id, access_hash = channel.access_hash }; }
+
 	partial class Contacts_ResolvedPeer
 	{
 		public static implicit operator InputPeer(Contacts_ResolvedPeer resolved) => resolved.UserOrChat.ToInputPeer();

src/TL.Schema.cs

@@ -808,30 +808,30 @@ namespace TL
 
 	/// <summary>User online status		<para>Derived classes: <see cref="UserStatusOnline"/>, <see cref="UserStatusOffline"/>, <see cref="UserStatusRecently"/>, <see cref="UserStatusLastWeek"/>, <see cref="UserStatusLastMonth"/></para>		<para>See <a href="https://corefork.telegram.org/type/UserStatus"/></para></summary>
 	/// <remarks>a <c>null</c> value means <a href="https://corefork.telegram.org/constructor/userStatusEmpty">userStatusEmpty</a></remarks>
-	public abstract class UserStatus : IObject { }
+	public abstract partial class UserStatus : IObject { }
 	/// <summary>Online status of the user.		<para>See <a href="https://corefork.telegram.org/constructor/userStatusOnline"/></para></summary>
 	[TLDef(0xEDB93949)]
-	public class UserStatusOnline : UserStatus
+	public partial class UserStatusOnline : UserStatus
 	{
 		/// <summary>Time to expiration of the current online status</summary>
 		public DateTime expires;
 	}
 	/// <summary>The user's offline status.		<para>See <a href="https://corefork.telegram.org/constructor/userStatusOffline"/></para></summary>
 	[TLDef(0x008C703F)]
-	public class UserStatusOffline : UserStatus
+	public partial class UserStatusOffline : UserStatus
 	{
 		/// <summary>Time the user was last seen online</summary>
 		public int was_online;
 	}
 	/// <summary>Online status: last seen recently		<para>See <a href="https://corefork.telegram.org/constructor/userStatusRecently"/></para></summary>
 	[TLDef(0xE26F42F1)]
-	public class UserStatusRecently : UserStatus { }
+	public partial class UserStatusRecently : UserStatus { }
 	/// <summary>Online status: last seen last week		<para>See <a href="https://corefork.telegram.org/constructor/userStatusLastWeek"/></para></summary>
 	[TLDef(0x07BF09FC)]
-	public class UserStatusLastWeek : UserStatus { }
+	public partial class UserStatusLastWeek : UserStatus { }
 	/// <summary>Online status: last seen last month		<para>See <a href="https://corefork.telegram.org/constructor/userStatusLastMonth"/></para></summary>
 	[TLDef(0x77EBC742)]
-	public class UserStatusLastMonth : UserStatus { }
+	public partial class UserStatusLastMonth : UserStatus { }
 
 	/// <summary>Object defines a group.		<para>Derived classes: <see cref="ChatEmpty"/>, <see cref="Chat"/>, <see cref="ChatForbidden"/>, <see cref="Channel"/>, <see cref="ChannelForbidden"/></para>		<para>See <a href="https://corefork.telegram.org/type/Chat"/></para></summary>
 	public abstract partial class ChatBase : IObject
@@ -6174,7 +6174,7 @@ namespace TL
 	}
 	/// <summary>Represents a channel		<para>See <a href="https://corefork.telegram.org/constructor/inputChannel"/></para></summary>
 	[TLDef(0xF35AEC28)]
-	public class InputChannel : InputChannelBase
+	public partial class InputChannel : InputChannelBase
 	{
 		/// <summary>Channel ID</summary>
 		public long channel_id;

src/TL.cs

@@ -359,7 +359,7 @@ namespace TL
 	{
 		public readonly int Code;
 		public RpcException(int code, string message) : base(message) => Code = code;
-		public override string ToString() => $"RpcException: {Code} {Message}";
+		public override string ToString() { var str = base.ToString(); return str.Insert(str.IndexOf(':') + 1, " " + Code); }
 	}
 
 	public class ReactorError : IObject