39 lines
1.2 KiB
C#
39 lines
1.2 KiB
C#
using FictionArchive.Service.Shared.MassTransit.Contracts.Events;
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using FictionArchive.Service.UserNovelDataService.Models.Database;
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using MassTransit;
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using Microsoft.EntityFrameworkCore;
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namespace FictionArchive.Service.UserNovelDataService.Services.EventHandlers;
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public class NovelCreatedEventConsumer : IConsumer<NovelCreatedEvent>
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{
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private readonly UserNovelDataServiceDbContext _dbContext;
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private readonly ILogger<NovelCreatedEventConsumer> _logger;
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public NovelCreatedEventConsumer(
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UserNovelDataServiceDbContext dbContext,
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ILogger<NovelCreatedEventConsumer> logger)
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{
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_dbContext = dbContext;
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_logger = logger;
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}
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public async Task Consume(ConsumeContext<NovelCreatedEvent> context)
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{
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var @event = context.Message;
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var exists = await _dbContext.Novels.AnyAsync(n => n.Id == @event.NovelId);
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if (exists)
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{
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_logger.LogDebug("Novel {NovelId} already exists, skipping", @event.NovelId);
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return;
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}
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var novel = new Novel { Id = @event.NovelId };
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_dbContext.Novels.Add(novel);
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await _dbContext.SaveChangesAsync();
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_logger.LogInformation("Created novel stub for {NovelId}", @event.NovelId);
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}
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}
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