Перепиливание под чистый DDD

2026-03-22 23:59:33 +03:00
parent 5da1a2f45d
commit 6e532b021d
302 changed files with 3595 additions and 3679 deletions
@@ -0,0 +1,76 @@
+using Knot.Modules.Messaging.Application.Abstractions;
+using Knot.Modules.Messaging.Domain;
+using MediatR;
+using Microsoft.AspNetCore.SignalR;
+using Microsoft.Extensions.Logging;
+using Knot.Modules.Conversations.Application.Abstractions;
+using Knot.Modules.Conversations.Domain;
+using Knot.Modules.Conversations.Infrastructure.SignalR;
+using Knot.Shared.Kernel;
+
+namespace Knot.Modules.Conversations.Application.Messages.React;
+
+public sealed record AddReactionCommand(
+    Guid MessageId,
+    Guid UserId,
+    string Emoji,
+    Guid ChatId) : ICommand;
+
+public sealed class AddReactionCommandHandler : ICommandHandler<AddReactionCommand>
+{
+    private readonly IMessageReactionRepository _reactionRepository;
+    private readonly IChatsUnitOfWork _unitOfWork;
+    private readonly IHubContext<ChatHub> _hubContext;
+    private readonly IUserDisplayNameProvider _displayNameProvider;
+    private readonly ILogger<AddReactionCommandHandler> _logger;
+
+    public AddReactionCommandHandler(
+        IMessageReactionRepository reactionRepository,
+        IChatsUnitOfWork unitOfWork,
+        IHubContext<ChatHub> hubContext,
+        IUserDisplayNameProvider displayNameProvider,
+        ILogger<AddReactionCommandHandler> logger)
+    {
+        _reactionRepository = reactionRepository;
+        _unitOfWork = unitOfWork;
+        _hubContext = hubContext;
+        _displayNameProvider = displayNameProvider;
+        _logger = logger;
+    }
+
+    public async Task<Result> Handle(AddReactionCommand request, CancellationToken cancellationToken)
+    {
+        _logger.LogInformation("AddReaction: MessageId={MessageId}, UserId={UserId}, Emoji={Emoji}, ChatId={ChatId}",
+
+            request.MessageId, request.UserId, request.Emoji, request.ChatId);
+
+
+        var reaction = new MessageReaction(request.MessageId, request.UserId, request.Emoji);
+        await _reactionRepository.AddAsync(reaction, cancellationToken);
+
+        await _unitOfWork.SaveChangesAsync(cancellationToken);
+
+
+        _logger.LogInformation("AddReaction: Reaction saved to database");
+
+        var username = await _displayNameProvider.GetDisplayNameAsync(request.UserId, cancellationToken);
+
+
+        _logger.LogInformation("AddReaction: Sending reaction_added to group {ChatId}", request.ChatId);
+
+        await _hubContext.Clients.Group(request.ChatId.ToString()).SendAsync("reaction_added", new
+        {
+            messageId = request.MessageId,
+            chatId = request.ChatId,
+            userId = request.UserId,
+            username = username,
+            emoji = request.Emoji
+        });
+
+        _logger.LogInformation("AddReaction: reaction_added sent successfully");
+
+        return Result.Success();
+    }
+}
+
+