diff --git a/src/team4.cs b/src/team4.cs
index 2d86756..a08c679 100644
--- a/src/team4.cs
+++ b/src/team4.cs
@@ -2,259 +2,263 @@ using System;
 using Microsoft.Data.Sqlite;
 using Database.Dto;
 
-public class Team4
+
+namespace Team4
 {
-    public static List<BookDto> GetBooksByName(SqliteConnection conn, string name)
+    public class Team4
     {
-        try
+        public static List<BookDto> GetBooksByName(SqliteConnection conn, string name)
         {
-            using (var command = conn.CreateCommand())
+            try
             {
-                command.CommandText = @"
-                    SELECT book.ID, book.Name, book.YearOfRelease, book.Total,
-                        author.ID, author.Name, author.Surname, author.DateOfBirth,
-                        publisher.ID, publisher.Name, publisher.State
-                    FROM Books book
-                    LEFT JOIN Authors author ON book.AuthorID = author.ID
-                    LEFT JOIN Publisher publisher ON book.PublisherID = publisher.ID
-                    WHERE book.Name = @name;";
-                command.Parameters.AddWithValue("@name", name);
-
-                var books = new List<BookDto>();
-                using (var reader = command.ExecuteReader())
+                using (var command = conn.CreateCommand())
                 {
-                    while (reader.Read())
+                    command.CommandText = @"
+                        SELECT book.ID, book.Name, book.YearOfRelease, book.Total,
+                            author.ID, author.Name, author.Surname, author.DateOfBirth,
+                            publisher.ID, publisher.Name, publisher.State
+                        FROM Books book
+                        LEFT JOIN Authors author ON book.AuthorID = author.ID
+                        LEFT JOIN Publisher publisher ON book.PublisherID = publisher.ID
+                        WHERE book.Name = @name;";
+                    command.Parameters.AddWithValue("@name", name);
+
+                    var books = new List<BookDto>();
+                    using (var reader = command.ExecuteReader())
                     {
-                        var book = new BookDto
+                        while (reader.Read())
                         {
-                            Id = reader.GetInt32(0),
-                            Name = reader.GetString(1),
-                            YearOfRelease = reader.IsDBNull(2) ? 0 : reader.GetInt32(2),
-                            Total = reader.IsDBNull(3) ? 0 : reader.GetInt32(3),
-                            Author = new AuthorDto
+                            var book = new BookDto
                             {
-                                Id = reader.IsDBNull(4) ? 0 : reader.GetInt32(4),
-                                Name = reader.IsDBNull(5) ? "" : reader.GetString(5),
-                                Surname = reader.IsDBNull(6) ? "" : reader.GetString(6),
-                                DateOfBirth = reader.IsDBNull(7) ? DateTime.MinValue : reader.GetDateTime(7)
-                            },
-                            Publisher = new Publisher
+                                Id = reader.GetInt32(0),
+                                Name = reader.GetString(1),
+                                YearOfRelease = reader.IsDBNull(2) ? 0 : reader.GetInt32(2),
+                                Total = reader.IsDBNull(3) ? 0 : reader.GetInt32(3),
+                                Author = new AuthorDto
+                                {
+                                    Id = reader.IsDBNull(4) ? 0 : reader.GetInt32(4),
+                                    Name = reader.IsDBNull(5) ? "" : reader.GetString(5),
+                                    Surname = reader.IsDBNull(6) ? "" : reader.GetString(6),
+                                    DateOfBirth = reader.IsDBNull(7) ? DateTime.MinValue : reader.GetDateTime(7)
+                                },
+                                Publisher = new Publisher
+                                {
+                                    Id = reader.IsDBNull(8) ? 0 : reader.GetInt32(8),
+                                    Name = reader.IsDBNull(9) ? "" : reader.GetString(9),
+                                    State = reader.IsDBNull(10) ? "" : reader.GetString(10)
+                                }
+                            };
+                            books.Add(book);
+                        }
+                    }
+                    return books;
+                }
+            }
+            catch (Exception ex)
+            {
+                Console.WriteLine($"Error in GetBooksByName: {ex.Message}");
+                throw;
+            }
+        }
+        public static List<BookDto> GetBooksByAuthor(SqliteConnection conn, AuthorDto author)
+        {
+            try
+            {
+                using (var command = conn.CreateCommand())
+                {
+                    command.CommandText = @"
+                        SELECT book.ID, book.Name, book.YearOfRelease, book.Total,
+                            publisher.ID, publisher.Name, publisher.State
+                        FROM Books book
+                        LEFT JOIN Publisher publisher ON book.PublisherID = publisher.ID
+                        WHERE book.AuthorID = @id;";
+                    command.Parameters.AddWithValue("@id", author.Id);
+
+                    var books = new List<BookDto>();
+
+                    using (var reader = command.ExecuteReader())
+                    {
+                        while (reader.Read())
+                        {
+                            books.Add(new BookDto
                             {
-                                Id = reader.IsDBNull(8) ? 0 : reader.GetInt32(8),
-                                Name = reader.IsDBNull(9) ? "" : reader.GetString(9),
-                                State = reader.IsDBNull(10) ? "" : reader.GetString(10)
-                            }
-                        };
-                        books.Add(book);
+                                Id = reader.GetInt32(0),
+                                Name = reader.GetString(1),
+                                YearOfRelease = reader.IsDBNull(2) ? 0 : reader.GetInt32(2),
+                                Total = reader.IsDBNull(3) ? 0 : reader.GetInt32(3),
+                                Author = author,
+                                Publisher = new Publisher
+                                {
+                                    Id = reader.IsDBNull(4) ? 0 : reader.GetInt32(4),
+                                    Name = reader.IsDBNull(5) ? "" : reader.GetString(5),
+                                    State = reader.IsDBNull(6) ? "" : reader.GetString(6)
+                                }
+                            });
+                        }
                     }
+                    return books;
                 }
-                return books;
+            }
+            catch (Exception ex)
+            {
+                Console.WriteLine($"Error in GetBooksByAuthor: {ex.Message}");
+                throw;
             }
         }
-        catch (Exception ex)
+
+        public static List<BookDto> GetBooksByAvailableBooks(SqliteConnection conn, int minStock = 1)
         {
-            Console.WriteLine($"Error in GetBooksByName: {ex.Message}");
-            throw;
-        }
-    }
-     public static List<BookDto> GetBooksByAuthor(SqliteConnection conn, AuthorDto author)
-    {
-        try
-        {
-            using (var command = conn.CreateCommand())
+            try
             {
-                command.CommandText = @"
-                    SELECT book.ID, book.Name, book.YearOfRelease, book.Total,
-                           publisher.ID, publisher.Name, publisher.State
-                    FROM Books book
-                    LEFT JOIN Publisher publisher ON book.PublisherID = publisher.ID
-                    WHERE book.AuthorID = @id;";
-                command.Parameters.AddWithValue("@id", author.Id);
-
-                var books = new List<BookDto>();
-
-                using (var reader = command.ExecuteReader())
+                using (var command = conn.CreateCommand())
                 {
-                    while (reader.Read())
+                    command.CommandText = @"
+                        SELECT book.ID, book.Name, book.YearOfRelease, book.Total
+                        FROM Books book
+                        WHERE book.Total >= @min;";
+                    command.Parameters.AddWithValue("@min", minStock);
+
+                    var books = new List<BookDto>();
+
+                    using (var reader = command.ExecuteReader())
                     {
-                        books.Add(new BookDto
+                        while (reader.Read())
                         {
-                            Id = reader.GetInt32(0),
-                            Name = reader.GetString(1),
-                            YearOfRelease = reader.IsDBNull(2) ? 0 : reader.GetInt32(2),
-                            Total = reader.IsDBNull(3) ? 0 : reader.GetInt32(3),
-                            Author = author,
-                            Publisher = new Publisher
+                            books.Add(new BookDto
                             {
-                                Id = reader.IsDBNull(4) ? 0 : reader.GetInt32(4),
-                                Name = reader.IsDBNull(5) ? "" : reader.GetString(5),
-                                State = reader.IsDBNull(6) ? "" : reader.GetString(6)
-                            }
-                        });
+                                Id = reader.GetInt32(0),
+                                Name = reader.GetString(1),
+                                YearOfRelease = reader.IsDBNull(2) ? 0 : reader.GetInt32(2),
+                                Total = reader.IsDBNull(3) ? 0 : reader.GetInt32(3)
+                            });
+                        }
                     }
+                    return books;
                 }
-                return books;
             }
-        }
-        catch (Exception ex)
-        {
-            Console.WriteLine($"Error in GetBooksByAuthor: {ex.Message}");
-            throw;
-        }
-    }
-
-    public static List<BookDto> GetBooksByAvailableBooks(SqliteConnection conn, int minStock = 1)
-    {
-        try
-        {
-            using (var command = conn.CreateCommand())
+            catch (Exception ex)
             {
-                command.CommandText = @"
-                    SELECT book.ID, book.Name, book.YearOfRelease, book.Total
-                    FROM Books book
-                    WHERE book.Total >= @min;";
-                command.Parameters.AddWithValue("@min", minStock);
-
-                var books = new List<BookDto>();
-
-                using (var reader = command.ExecuteReader())
-                {
-                    while (reader.Read())
-                    {
-                        books.Add(new BookDto
-                        {
-                            Id = reader.GetInt32(0),
-                            Name = reader.GetString(1),
-                            YearOfRelease = reader.IsDBNull(2) ? 0 : reader.GetInt32(2),
-                            Total = reader.IsDBNull(3) ? 0 : reader.GetInt32(3)
-                        });
-                    }
-                }
-                return books;
+                Console.WriteLine($"Error in GetBooksByAvailableBooks: {ex.Message}");
+                throw;
             }
         }
-        catch (Exception ex)
-        {
-            Console.WriteLine($"Error in GetBooksByAvailableBooks: {ex.Message}");
-            throw;
-        }
-    }
 
-    public static List<BookDto> GetStolenBooks(SqliteConnection conn)
-    {
-        try
+        public static List<BookDto> GetStolenBooks(SqliteConnection conn)
         {
-            using (var command = conn.CreateCommand())
+            try
             {
-                command.CommandText = @"
-                    SELECT book.ID, book.Name, book.YearOfRelease, book.Total
-                    FROM Borrows borrow
-                    INNER JOIN Books book ON borrow.BookID = book.ID
-                    WHERE borrow.DateOfReturn IS NULL AND borrow.ReturnDue < DATE('now');";
-
-                var books = new List<BookDto>();
-                using (var reader = command.ExecuteReader())
+                using (var command = conn.CreateCommand())
                 {
-                    while (reader.Read())
-                    {
-                        books.Add(new BookDto
-                        {
-                            Id = reader.GetInt32(0),
-                            Name = reader.GetString(1),
-                            YearOfRelease = reader.IsDBNull(2) ? 0 : reader.GetInt32(2),
-                            Total = reader.IsDBNull(3) ? 0 : reader.GetInt32(3)
-                        });
-                    }
-                }
-                return books;
-            }
-        }
-        catch (Exception ex)
-        {
-            Console.WriteLine($"Error in GetStolenBooks: {ex.Message}");
-            throw;
-        }
-    }
+                    command.CommandText = @"
+                        SELECT book.ID, book.Name, book.YearOfRelease, book.Total
+                        FROM Borrows borrow
+                        INNER JOIN Books book ON borrow.BookID = book.ID
+                        WHERE borrow.DateOfReturn IS NULL AND borrow.ReturnDue < DATE('now');";
 
-    public static List<BookDto> GetStolenBooksByUser(SqliteConnection conn, UserDto user)
-    {
-        try
-        {
-            using (var command = conn.CreateCommand())
+                    var books = new List<BookDto>();
+                    using (var reader = command.ExecuteReader())
+                    {
+                        while (reader.Read())
+                        {
+                            books.Add(new BookDto
+                            {
+                                Id = reader.GetInt32(0),
+                                Name = reader.GetString(1),
+                                YearOfRelease = reader.IsDBNull(2) ? 0 : reader.GetInt32(2),
+                                Total = reader.IsDBNull(3) ? 0 : reader.GetInt32(3)
+                            });
+                        }
+                    }
+                    return books;
+                }
+            }
+            catch (Exception ex)
             {
-                command.CommandText = @"
-                    SELECT book.ID, book.Name, book.YearOfRelease, book.Total
-                    FROM Borrows borrow
-                    INNER JOIN Books book ON borrow.BookID = book.ID
-                    WHERE borrow.UserID = @uid AND borrow.DateOfReturn IS NULL AND borrow.ReturnDue < DATE('now');";
-                command.Parameters.AddWithValue("@uid", user.Id);
-
-                var books = new List<BookDto>();
-                using (var reader = command.ExecuteReader())
-                {
-                    while (reader.Read())
-                    {
-                        books.Add(new BookDto
-                        {
-                            Id = reader.GetInt32(0),
-                            Name = reader.GetString(1),
-                            YearOfRelease = reader.IsDBNull(2) ? 0 : reader.GetInt32(2),
-                            Total = reader.IsDBNull(3) ? 0 : reader.GetInt32(3)
-                        });
-                    }
-                }
-                return books;
+                Console.WriteLine($"Error in GetStolenBooks: {ex.Message}");
+                throw;
             }
         }
-        catch (Exception ex)
-        {
-            Console.WriteLine($"Error in GetStolenBooksByUser: {ex.Message}");
-            throw;
-        }
-    }
 
-    public static AuthorDto GetAuthorById(SqliteConnection conn, int authorID)
-    {
-        try
+        public static List<BookDto> GetStolenBooksByUser(SqliteConnection conn, UserDto user)
         {
-            using (var command = conn.CreateCommand())
+            try
             {
-                command.CommandText = @"
-                    SELECT author.ID
-                    FROM Authors author
-                    WHERE author.ID = @aid;";
-                command.Parameters.AddWithValue("@aid", authorID);
-
-                using (var reader = command.ExecuteReader())
+                using (var command = conn.CreateCommand())
                 {
-                    while (reader.Read())
+                    command.CommandText = @"
+                        SELECT book.ID, book.Name, book.YearOfRelease, book.Total
+                        FROM Borrows borrow
+                        INNER JOIN Books book ON borrow.BookID = book.ID
+                        WHERE borrow.UserID = @uid AND borrow.DateOfReturn IS NULL AND borrow.ReturnDue < DATE('now');";
+                    command.Parameters.AddWithValue("@uid", user.Id);
+
+                    var books = new List<BookDto>();
+                    using (var reader = command.ExecuteReader())
                     {
-                        return new AuthorDto
+                        while (reader.Read())
                         {
-                            Id = reader.GetInt32(0),
-                            Name = reader.GetString(1),
-                            Surname = reader.GetString(2),
-                            DateOfBirth = reader.GetDateTime(3)
-                        };
+                            books.Add(new BookDto
+                            {
+                                Id = reader.GetInt32(0),
+                                Name = reader.GetString(1),
+                                YearOfRelease = reader.IsDBNull(2) ? 0 : reader.GetInt32(2),
+                                Total = reader.IsDBNull(3) ? 0 : reader.GetInt32(3)
+                            });
+                        }
                     }
+                    return books;
                 }
-                return null;
+            }
+            catch (Exception ex)
+            {
+                Console.WriteLine($"Error in GetStolenBooksByUser: {ex.Message}");
+                throw;
             }
         }
-        catch (Exception ex)
+
+        public static AuthorDto GetAuthorById(SqliteConnection conn, int authorID)
         {
-            Console.WriteLine($"Error in GetAuthorById: {ex.Message}");
-            throw;
+            try
+            {
+                using (var command = conn.CreateCommand())
+                {
+                    command.CommandText = @"
+                        SELECT author.ID
+                        FROM Authors author
+                        WHERE author.ID = @aid;";
+                    command.Parameters.AddWithValue("@aid", authorID);
+
+                    using (var reader = command.ExecuteReader())
+                    {
+                        while (reader.Read())
+                        {
+                            return new AuthorDto
+                            {
+                                Id = reader.GetInt32(0),
+                                Name = reader.GetString(1),
+                                Surname = reader.GetString(2),
+                                DateOfBirth = reader.GetDateTime(3)
+                            };
+                        }
+                    }
+                    return null;
+                }
+            }
+            catch (Exception ex)
+            {
+                Console.WriteLine($"Error in GetAuthorById: {ex.Message}");
+                throw;
+            }
+        }
+
+        public static void GetBooksBy(SqliteConnection conn)
+        {
+            throw new NotImplementedException();
+        }
+
+        public static void GetBorrowLogBy(SqliteConnection conn)
+        {
+            throw new NotImplementedException();
         }
     }
-
-    public static void GetBooksBy(SqliteConnection conn)
-    {
-        throw new NotImplementedException();
-    }
-
-    public static void GetBorrowLogBy(SqliteConnection conn)
-    {
-        throw new NotImplementedException();
-    }
-}
+}
\ No newline at end of file