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 +1,72 @@
+using Knot.Modules.Messaging.Application.Abstractions;
+using Knot.Modules.Messaging.Domain;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Threading;
+using System.Threading.Tasks;
+using MediatR;
+using Knot.Shared.Kernel;
+using Knot.Modules.Conversations.Application.DTOs;
+using Knot.Modules.Conversations.Domain;
+
+namespace Knot.Modules.Conversations.Application.Messages.SearchMessages;
+
+public record SearchMessagesQuery(Guid UserId, string Query, Guid? ChatId) : IQuery<List<SearchMessageDto>>;
+
+internal sealed class SearchMessagesQueryHandler : IQueryHandler<SearchMessagesQuery, List<SearchMessageDto>>
+{
+    private readonly IMessageRepository _messageRepository;
+    private readonly IUserDisplayNameProvider _userProvider;
+    private readonly IMessageReactionRepository _reactionRepository;
+
+    public SearchMessagesQueryHandler(IMessageRepository messageRepository, IUserDisplayNameProvider userProvider, IMessageReactionRepository reactionRepository)
+    {
+        _messageRepository = messageRepository;
+        _userProvider = userProvider;
+        _reactionRepository = reactionRepository;
+    }
+
+    public async Task<Result<List<SearchMessageDto>>> Handle(SearchMessagesQuery request, CancellationToken cancellationToken)
+    {
+        var messages = await _messageRepository.SearchMessagesAsync(request.Query, request.ChatId, request.UserId, cancellationToken);
+        messages = messages.Where(message => !message.IsDeletedForUser(request.UserId)).ToList();
+
+        var userIds = messages.Select(message => message.SenderId).ToList();
+        userIds.AddRange(messages.Where(message => message.ForwardedFromId.HasValue).Select(message => message.ForwardedFromId!.Value));
+
+        var senders = await _userProvider.GetUsersInfoAsync(userIds.Distinct(), cancellationToken);
+        
+        var messageIds = messages.Select(m => m.Id).ToList();
+        var allReactions = await _reactionRepository.GetReactionsForMessagesAsync(messageIds, cancellationToken);
+        var reactionsByMessage = allReactions.GroupBy(r => r.MessageId).ToDictionary(g => g.Key, g => g.ToList());
+
+        var result = messages.Select(message => new SearchMessageDto(
+            message.Id,
+            message.ChatId,
+            message.SenderId,
+                message.Content,
+                message.Type,
+                message.ReplyToId,
+                message.Quote,
+                message.IsEdited,
+                message.IsDeleted,
+                message.CreatedAt,
+                message.SequenceId,
+                message.ForwardedFromId,
+                null, 
+                message.StoryId,
+                message.StoryMediaUrl,
+                message.StoryMediaType,
+            message.Media.Select(media => new MediaDto(media.Id, media.Type, media.Url, media.Filename, media.Size)).ToList(),
+            senders.TryGetValue(message.SenderId, out var senderUser) ? new MessageSenderDto(senderUser.Id, senderUser.Username, senderUser.DisplayName, senderUser.Avatar) : new MessageSenderDto(message.SenderId, "unknown", "Unknown", null),
+            reactionsByMessage.TryGetValue(message.Id, out var mr) ? mr.Select(reaction => new SimpleReactionDto(reaction.UserId, reaction.Emoji)).ToList() : new List<SimpleReactionDto>(),
+            new List<ReadByDto>()
+        )).ToList();
+
+        return Result.Success(result);
+    }
+}
+
+
+