telegram-client/src/Nocr.TelegramClient.AppServices/Matches/Handlers/TextMatchMatchedHandler.cs

using Insight.TelegramBot;
using Insight.TelegramBot.Models;
using Microsoft.Extensions.Logging;
using Nocr.TelegramClient.AppServices.Users;
using Nocr.TextMatcher.Api.Contracts.TextMatches;
using Nocr.TextMatcher.Async.Api.Contracts;
using Nocr.Users.Api.Contracts.Users;
using Rebus.Handlers;
using Telegram.Bot.Types.Enums;

namespace Nocr.TelegramClient.AppServices.Matches.Handlers;

public class TextMatchMatchedHandler : IHandleMessages<TextSubscriptionMatched>
{
    private readonly ILogger<TextMatchMatchedHandler> _logger;
    private readonly IBot _bot;
    private readonly IUsersService _usersService;

    public TextMatchMatchedHandler(ILogger<TextMatchMatchedHandler> logger, IBot bot, IUsersService usersService)
    {
        _logger = logger ?? throw new ArgumentNullException(nameof(logger));
        _bot = bot ?? throw new ArgumentNullException(nameof(bot));
        _usersService = usersService ?? throw new ArgumentNullException(nameof(usersService));
    }

    public async Task Handle(TextSubscriptionMatched message)
    {
        var user = await _usersService.GetById(message.SubscriptionUserId);
        if (user == null)
        {
            _logger.LogWarning("User [{UserId}] of [{MatchId}] from message {MessageId} not found", message.SubscriptionUserId,
                message.SubscriptionId, message.Id);
            return;
        }

        var identity = user.Identities.FirstOrDefault(x => x.Type == UserIdentityType.TelegramId);
        if (identity == null)
        {
            _logger.LogWarning("There is no identity with type '{IdentityType}' for user '{UserId}'",
                UserIdentityType.TelegramId, user.Id);
            return;
        }

        var fromUsername = string.IsNullOrWhiteSpace(message.From) ? "anonymous" : message.From;
        var textMessage = new TextMessage(long.Parse(identity.Identity))
        {
            Text = $"[{message.PublishedDateTime:MM.dd.yyyy HH:mm:ss}] Найдено совпадение.\nТип совпадения: <b>'{message.Rule.TextView()}'</b>\nШаблон: <b>'{message.Template}'</b>\n{fromUsername} в @{message.ChatUsername}: <i>{message.Text}</i>",
            ParseMode = ParseMode.Html
        };

        await _bot.SendMessageAsync(textMessage);
    }
}