Reorganize root folder structure: Remove apps layer layer

2026-03-19 22:22:45 +03:00
parent fb252f9d87
commit 11ebbc853b
296 changed files with 139 additions and 139 deletions
--- a/backend/src/Modules/Chats/Infrastructure/Handlers/MessageSentDomainEventHandler.cs
+++ b/backend/src/Modules/Chats/Infrastructure/Handlers/MessageSentDomainEventHandler.cs
@@ -0,0 +1,104 @@
+using MediatR;
+using Microsoft.AspNetCore.SignalR;
+using Knot.Modules.Chats.Domain;
+using Knot.Modules.Chats.Infrastructure.SignalR;
+using Knot.Shared.Kernel;
+
+namespace Knot.Modules.Chats.Infrastructure.Handlers;
+
+/// <summary>
+/// Обработчик доменного события отправки сообщения.
+/// Отправляет уведомление через SignalR всем участникам чата.
+/// </summary>
+public sealed class MessageSentDomainEventHandler : INotificationHandler<MessageSentDomainEvent>
+{
+    private readonly IHubContext<ChatHub> _hubContext;
+    private readonly IMessageRepository _messageRepository;
+    private readonly IUserDisplayNameProvider _displayNameProvider;
+
+    public MessageSentDomainEventHandler(
+        IHubContext<ChatHub> hubContext,
+        IMessageRepository messageRepository,
+        IUserDisplayNameProvider displayNameProvider)
+    {
+        _hubContext = hubContext;
+        _messageRepository = messageRepository;
+        _displayNameProvider = displayNameProvider;
+    }
+
+    public async Task Handle(MessageSentDomainEvent notification, CancellationToken cancellationToken)
+    {
+        var message = await _messageRepository.GetByIdAsync(notification.MessageId, cancellationToken);
+        if (message is null)
+        {
+            return;
+        }
+
+        var userInfo = await _displayNameProvider.GetUserInfoAsync(message.SenderId, cancellationToken);
+        var senderObj = userInfo != null
+            ? new { Id = userInfo.Id, Username = userInfo.Username, DisplayName = userInfo.DisplayName, Avatar = userInfo.Avatar }
+            : new { Id = message.SenderId, Username = "unknown", DisplayName = "Unknown", Avatar = (string?)null };
+
+        // Fetch forwarded from info if exists
+        object? forwardedFromObj = null;
+        if (message.ForwardedFromId.HasValue)
+        {
+            var fwdUserInfo = await _displayNameProvider.GetUserInfoAsync(message.ForwardedFromId.Value, cancellationToken);
+            forwardedFromObj = fwdUserInfo != null
+                ? new { Id = fwdUserInfo.Id, Username = fwdUserInfo.Username, DisplayName = fwdUserInfo.DisplayName, Avatar = fwdUserInfo.Avatar }
+                : new { Id = message.ForwardedFromId.Value, Username = "unknown", DisplayName = "Unknown", Avatar = (string?)null };
+        }
+
+        // Fetch reply info if exists
+        object? replyToObj = null;
+        if (message.ReplyToId.HasValue)
+        {
+            var replyMsg = await _messageRepository.GetByIdAsync(message.ReplyToId.Value, cancellationToken);
+            if (replyMsg != null)
+            {
+                var replySenderInfo = await _displayNameProvider.GetUserInfoAsync(replyMsg.SenderId, cancellationToken);
+                replyToObj = new
+                {
+                    Id = replyMsg.Id,
+                    Content = replyMsg.Content,
+                    Quote = message.Quote,
+                    media = replyMsg.Media.Select(rm => new { rm.Id, rm.Type, rm.Url }).ToList(),
+                    Sender = replySenderInfo != null
+                        ? new { Id = replySenderInfo.Id, Username = replySenderInfo.Username, DisplayName = replySenderInfo.DisplayName }
+                        : new { Id = replyMsg.SenderId, Username = "unknown", DisplayName = "Unknown" }
+                };
+            }
+        }
+
+        // Отправляем сообщение в "комнату" чата.
+        await _hubContext.Clients.Group(notification.ChatId.ToString())
+            .SendAsync("new_message", new
+            {
+                message.Id,
+                message.ChatId,
+                message.SenderId,
+                Content = message.Content,
+                Type = message.Type,
+                message.CreatedAt,
+                message.ForwardedFromId,
+                ForwardedFrom = forwardedFromObj,
+                message.ReplyToId,
+                ReplyTo = replyToObj,
+                Quote = message.Quote,
+                Media = message.Media.Select(m => new
+                {
+                    m.Id,
+                    m.Type,
+                    m.Url,
+                    Filename = m.Filename,
+                    Size = m.Size
+                }).ToList(),
+                Sender = senderObj,
+                ReadBy = new List<object>(),
+                StoryId = message.StoryId,
+                StoryMediaUrl = message.StoryMediaUrl,
+                StoryMediaType = message.StoryMediaType
+            }, cancellationToken);
+    }
+}
+