Mohammad Mahdi Mohammadi
787a9dd09b
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47 lines
2.2 KiB
C#
Executable File
47 lines
2.2 KiB
C#
Executable File
using Microsoft.Extensions.Logging;
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using MongoDB.Driver;
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using MongoDB.Driver.Linq;
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using mstdnCats.Models;
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using Telegram.Bot;
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using Telegram.Bot.Types;
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using Telegram.Bot.Types.Enums;
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using Telegram.Bot.Types.ReplyMarkups;
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namespace CatsOfMastodonBot.Services;
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public class HandleStartMessage
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{
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public static async Task HandleStartMessageAsync(Message message, TelegramBotClient _bot,
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IMongoCollection<Post> _db, ILogger<MastodonBot>? logger, CallbackQuery callbackQuery = null)
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{
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logger?.LogInformation("Start message received, trigger source: " +
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(callbackQuery != null ? "Callback" : "Start command"));
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// choose all media attachments that are approved
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// OLD QUERY
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// var mediaAttachmentsToSelect = await _db.AsQueryable()
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// .Where(post => post.MediaAttachments.Any(media => media.Approved))
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// .ToListAsync();
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var filter = Builders<Post>.Filter.ElemMatch(post => post.MediaAttachments, Builders<MediaAttachment>.Filter.Eq(media => media.Approved, true));
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var mediaAttachmentsToSelect = await _db.Find(filter).ToListAsync();
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// select random approved media attachment
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var selectedMediaAttachment = mediaAttachmentsToSelect[new Random().Next(mediaAttachmentsToSelect.Count)];
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// send media attachment
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await _bot.SendPhoto(message.Chat.Id,
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selectedMediaAttachment.MediaAttachments.FirstOrDefault(m => m.Approved == true).Url,
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$"Here is your cat!🐈\n" + "<a href=\"" + selectedMediaAttachment.Url + "\">" +
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$"View on Mastodon " + " </a>", ParseMode.Html
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, replyMarkup: new InlineKeyboardMarkup()
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.AddButton(InlineKeyboardButton.WithUrl("Join channel 😺", "https://t.me/catsofmastodon"))
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.AddNewRow()
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.AddButton(InlineKeyboardButton.WithCallbackData("Send me another one!", $"new_random")));
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// answer callback query from "send me another cat" button
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if (callbackQuery != null) await _bot.AnswerCallbackQuery(callbackQuery.Id, "Catch your cat! 😺");
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logger?.LogInformation("Random cat sent!");
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}
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} |