Fase 2: Gestión de Usuarios (CRUD Completo) - Backend & Frontend

src/SIGCM.Infrastructure/Repositories/UserRepository.cs

@@ -31,4 +31,32 @@ public class UserRepository : IUserRepository
             SELECT CAST(SCOPE_IDENTITY() as int);";
         return await conn.QuerySingleAsync<int>(sql, user);
     }
+
+    public async Task<IEnumerable<User>> GetAllAsync()
+    {
+        using var conn = _connectionFactory.CreateConnection();
+        return await conn.QueryAsync<User>("SELECT Id, Username, Role, Email, CreatedAt, PasswordHash FROM Users");
+    }
+
+    public async Task<User?> GetByIdAsync(int id)
+    {
+        using var conn = _connectionFactory.CreateConnection();
+        return await conn.QuerySingleOrDefaultAsync<User>("SELECT * FROM Users WHERE Id = @Id", new { Id = id });
+    }
+
+    public async Task UpdateAsync(User user)
+    {
+        using var conn = _connectionFactory.CreateConnection();
+        var sql = @"
+            UPDATE Users 
+            SET Username = @Username, Role = @Role, Email = @Email, PasswordHash = @PasswordHash
+            WHERE Id = @Id";
+        await conn.ExecuteAsync(sql, user);
+    }
+
+    public async Task DeleteAsync(int id)
+    {
+         using var conn = _connectionFactory.CreateConnection();
+         await conn.ExecuteAsync("DELETE FROM Users WHERE Id = @Id", new { Id = id });
+    }
 }