Перепиливание под чистый DDD

backend/src/Modules/Auth/Infrastructure/Persistence/UserRepository.cs

@@ -0,0 +1,57 @@
+using Microsoft.EntityFrameworkCore;
+using Knot.Modules.Auth.Domain;
+
+namespace Knot.Modules.Auth.Infrastructure.Persistence;
+
+/// <summary>
+/// Реализация репозитория пользователей с использованием EF Core.
+/// </summary>
+public sealed class UserRepository : IUserRepository
+{
+    private readonly AuthDbContext _context;
+
+    public UserRepository(AuthDbContext context)
+    {
+        _context = context;
+    }
+
+    public async Task<User?> GetByIdAsync(Guid id, CancellationToken cancellationToken = default)
+    {
+        return await _context.Users.FirstOrDefaultAsync(u => u.Id == id, cancellationToken);
+    }
+
+    public async Task<List<User>> GetByIdsAsync(IEnumerable<Guid> ids, CancellationToken cancellationToken = default)
+    {
+        return await _context.Users.Where(u => ids.Contains(u.Id)).ToListAsync(cancellationToken);
+    }
+
+    public async Task<User?> GetByUsernameAsync(string username, CancellationToken cancellationToken = default)
+    {
+        return await _context.Users.FirstOrDefaultAsync(u => u.Username == username, cancellationToken);
+    }
+
+    public async Task<bool> IsUsernameUniqueAsync(string username, CancellationToken cancellationToken = default)
+    {
+        return !await _context.Users.AnyAsync(u => u.Username == username, cancellationToken);
+    }
+
+    public async Task<List<User>> SearchUsersAsync(string query, CancellationToken cancellationToken = default)
+    {
+        return await _context.Users
+            .Where(u => u.Username.ToLower().Contains(query.ToLower()) ||
+                        (u.DisplayName != null && u.DisplayName.ToLower().Contains(query.ToLower())))
+            .Take(20)
+            .ToListAsync(cancellationToken);
+    }
+
+    public void Add(User user)
+    {
+        _context.Users.Add(user);
+    }
+
+    public void Update(User user)
+    {
+        _context.Users.Update(user);
+    }
+}
+