FictionArchive/FictionArchive.Service.TranslationService/Services/EventHandlers/TranslateTextCommandConsumer.cs

using FictionArchive.Service.Shared.MassTransit.Contracts.Commands;
using FictionArchive.Service.Shared.MassTransit.Contracts.Events;
using FictionArchive.Service.TranslationService.Models.Enums;
using MassTransit;

namespace FictionArchive.Service.TranslationService.Services.EventHandlers;

public class TranslateTextCommandConsumer : IConsumer<TranslateTextCommand>
{
    private readonly ILogger<TranslateTextCommandConsumer> _logger;
    private readonly TranslationEngineService _translationEngineService;

    public TranslateTextCommandConsumer(
        ILogger<TranslateTextCommandConsumer> logger,
        TranslationEngineService translationEngineService)
    {
        _logger = logger;
        _translationEngineService = translationEngineService;
    }

    public async Task Consume(ConsumeContext<TranslateTextCommand> context)
    {
        var command = context.Message;

        var result = await _translationEngineService.Translate(
            command.From,
            command.To,
            command.Body,
            command.TranslationEngineKey);

        if (result.Status == TranslationRequestStatus.Success)
        {
            await context.Publish(new TranslationCompletedEvent
            {
                TranslatedText = result.TranslatedText!,
                TranslationRequestId = command.TranslationRequestId,
            });
        }
    }
}