namespace Knot.Modules.Conversations.Infrastructure.Services;

using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading;
using System.Threading.Tasks;
using Knot.Contracts.Messaging.Application.Abstractions;
using Knot.Modules.Conversations.Infrastructure.Persistence;
using Microsoft.EntityFrameworkCore;
public class ChatAccessProvider : IChatAccessProvider { private readonly ChatsDbContext _db; public ChatAccessProvider(ChatsDbContext db) { _db = db; } public Task<List<Guid>> GetValidChatIdsForUserAsync(Guid userId, CancellationToken ct) { return _db.Chats.Where(c => c.Members.Any(m => m.UserId == userId)).Select(c => c.Id).ToListAsync(ct); } }