Core/TgMessageConverter.cs - develop - anton.bessolitsyn/easyMessageHandlerBot

Core/TgMessageConverter.cs
95 строк3 KB
Anton Bessolitsyn
refactoring
04 апр 2026, 09:37
04 апр 2026, 09:371ea1956
using easyMessageHandlerBot.Interfaces;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using Telegram.Bot;
using Telegram.Bot.Types;

namespace easyMessageHandlerBot.Core
{

    /// <summary>
    /// Ковертер сообщений телеграм
    /// </summary>
    internal static class TgMessageConverter
    {
        static Dictionary<string, string>[] convertCaptionEntities(MessageEntity[] cp)
        {
            Dictionary<string, string>[] res = new Dictionary<string, string>[cp.Length];
            for (int i = 0; i<cp.Length; i++)
            {
                //res[i] = new(cp[i].Type.ToString(), cp[i].Offset, cp[i].Length, cp[i].Url ?? string.Empty);
                res[i] = new Dictionary<string, string>() {
                    { "type", cp[i].Type.ToString() }, 
                    { "offset", cp[i].Offset.ToString() },
                    { "length", cp[i].Length.ToString() },
                    { "url", cp[i].Url ?? string.Empty }
                };
            }
            return res;
        }
        public static object ConvertTgPhotoMessage(Message message)
        {
            var msg = new
            {
                ContentType = "TelegramPhotoMessage",
                Caption = message.Caption ?? string.Empty,
                CaptionEntities = message.CaptionEntities!=null ? convertCaptionEntities(message.CaptionEntities) : null,
                CaptionValue = message.CaptionEntityValues,
                CreationDate = message.ForwardDate
            };

            return msg;

        }
        public static object ConvertTgMessage(Message message)
        {
            var msg = new
            {
                ContentType = "TelegramMessage",
                Caption = message.Text ?? string.Empty,
                CaptionEntities = message.Entities != null ? convertCaptionEntities(message.Entities) : null,
                CaptionValue = message.Entities != null ? message.EntityValues : null,
                CreationDate = message.ForwardDate
            };

            return msg;

        }

        public static async Task<ITgMessageDto> GetTgMessageDtoAsync(Message message, ITelegramBotClient botClient)
        {
            byte[] photo = [];
            if (photo != null)
            {
                string fileid = message.Photo!.Last().FileId;
                var file = botClient.GetFile(fileid).Result;
                if (file.FilePath != null)
                {
                    var fileStream = new MemoryStream();
                    await botClient.DownloadFile(file.FilePath, fileStream);
                    photo = fileStream.ToArray();
                }
            }
            else
            {
                //TODO обработчик фотосообщения без фото ЕСЛИ ТАКОЕ может быть
            }

            return new TgMessageDto
            (
                ContentType: "TgPhotoMessage",
                Caption: message.Caption ?? string.Empty,
                CaptionEntities: message.CaptionEntities != null ? convertCaptionEntities(message.CaptionEntities) : [],
                CaptionValue: string.Empty,
                CaptionValues: message.CaptionEntityValues ?? [],
                CreationDate: message.Date,
                Image: photo ?? []
            );

        }

    }
}