[rules] Start work on rules command.

Core/Service/EntityFormatter.cs

@@ -0,0 +1,48 @@
+#nullable enable
+
+using System.Collections.Generic;
+using System.Linq;
+using Telegram.Bot.Types;
+using Telegram.Bot.Types.Enums;
+
+namespace Kruzya.TelegramBot.Core.Service;
+
+internal class EntityFormatter
+{
+    private static readonly Dictionary<MessageEntityType, string> HtmlMap = new()
+    {
+        { MessageEntityType.Bold, "<b>{0}</b>" },
+        { MessageEntityType.Code, "<code>{0}</code>" },
+        { MessageEntityType.Italic, "<i>{0}</i>" },
+        { MessageEntityType.TextMention, "<a href=\"tg://user?id={1}\">{0}</a>" },
+        { MessageEntityType.Pre, "<pre>{0}</pre>" },
+        { MessageEntityType.Underline, "<u>{0}</u>" }
+    };
+
+    private static readonly Dictionary<MessageEntityType, string> MarkdownMap = new()
+    {
+        { MessageEntityType.Bold, "*{0}*" },
+        { MessageEntityType.Code, "```{0}```" },
+        { MessageEntityType.Italic, "_{0}_" },
+        { MessageEntityType.TextMention, "[{0}](tg://user?id={1})" },
+        { MessageEntityType.Pre, "```{0}```" },
+        { MessageEntityType.Underline, "__{0}__" }
+    };
+
+    public string? FormatMessage(Message msg)
+    {
+        var text = msg.Text;
+        var entities = msg.Entities;
+
+        if (entities == null || text == null) return text;
+
+        foreach (var entity in entities.Reverse())
+        {
+            var entityText = text.Substring(entity.Offset, entity.Length);
+            text = text
+                .Remove(entity.Offset, entity.Length);
+        }
+
+        return text;
+    }
+}

modules/ChatManagement/Handler/Rules.cs

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+using System.Threading.Tasks;
+using BotFramework.Attributes;
+using BotFramework.Enums;
+using Kruzya.TelegramBot.Core.Data;
+using Kruzya.TelegramBot.Core.Extensions;
+using Telegram.Bot;
+
+namespace West.TelegramBot.ChatManagement.Handler
+{
+    internal partial class Rules : ManagementHandler
+    {
+        [Command(InChat.Public, "setrules", CommandParseMode.Both)]
+        public async Task HandleSetRules()
+        {
+            var replyToMessage = Message?.ReplyToMessage;
+            var text = replyToMessage?.Text;
+            if (replyToMessage == null || text == null)
+            {
+                return;
+            }
+
+            //var entities = replyToMessage.Entities;
+            //if (entities != null)
+            //{
+            //    //foreach (var entity in entities)
+            //    //{
+            //    //    var entityText = text.Substring(entity.Offset, entity.Length);
+            //    //    text = text
+            //    //        .Remove(entity.Offset, entity.Length)
+            //    //        .Insert(entity.Offset)
+            //    //}
+            //}
+
+
+            await Bot.SendTextMessageAsync(Chat, "kruzefag@gmail.com");
+        }
+
+        [Command(InChat.Public, "rules", CommandParseMode.Both)]
+        public async Task HandleRules()
+        {
+            var opt = Db.UserValues.FindOrCreateOption(Chat.Id, "rules");
+        }
+        
+        public Rules(CoreContext db) : base(db)
+        {
+        }
+    }
+}