public void DeleteUser(int idUser)
{
MySqlConnection connect = DBWorker.getMySqlConnection();
connect.Open();
string query = "DELETE FROM users WHERE id = " + idUser + ";";
MySqlCommand command = new MySqlCommand(query, connect);
command.ExecuteNonQuery();
connect.Close();
}
public void AddNewOrderToUser(int user_id, string nameOrder, int modelOrder)
{
MySqlConnection connect = DBWorker.getMySqlConnection();
connect.Open();
string query = "INSERT INTO orders (user_id, name, model) VALUES (@user_id, @name, @model)";
MySqlCommand command = new MySqlCommand(query, connect);
command.Parameters.Add(new MySqlParameter("@user_id", user_id));
command.Parameters.Add(new MySqlParameter("@name", nameOrder));
command.Parameters.Add(new MySqlParameter("@model", modelOrder));
command.ExecuteNonQuery();
connect.Close();
}
public List <User> GetAllUser()
{
MySqlConnection connect = DBWorker.getMySqlConnection();
connect.Open();
string query = "SELECT * FROM users";
MySqlCommand command = new MySqlCommand(query, connect);
List <User> userCol = new List <User>(); // collection for my users
using (DbDataReader reader = command.ExecuteReader())
{
if (reader.HasRows)
{
while (reader.Read())
{
int idO = reader.GetOrdinal("id");
int nameO = reader.GetOrdinal("name");
int loginO = reader.GetOrdinal("login");
int passwordO = reader.GetOrdinal("password");
int addressO = reader.GetOrdinal("address");
int ageO = reader.GetOrdinal("age");
long id = Convert.ToInt64(reader.GetValue(idO));
string name = reader.GetString(nameO);
string login = reader.GetString(loginO);
string password = reader.GetString(passwordO);
string address = reader.GetString(addressO);
long age = Convert.ToInt64(reader.GetValue(ageO));
User tempUser = new User(); // temp user
tempUser.id = id;
tempUser.name = name;
tempUser.login = login;
tempUser.password = password;
tempUser.address = address;
tempUser.age = age;
userCol.Add(tempUser);
}
}
}
connect.Close();
return(userCol);
}
public User GetUser(int idUser)
{
MySqlConnection connect = DBWorker.getMySqlConnection();
connect.Open();
User user = new User();
string query = "SELECT * FROM users WHERE id=" + idUser;
MySqlCommand command = new MySqlCommand();
command.Connection = connect;
command.CommandText = query;
using (DbDataReader reader = command.ExecuteReader())
{
if (reader.HasRows)
{
while (reader.Read())
{
int idO = reader.GetOrdinal("id");
int nameO = reader.GetOrdinal("name");
int loginO = reader.GetOrdinal("login");
int passwordO = reader.GetOrdinal("password");
int addressO = reader.GetOrdinal("address");
int ageO = reader.GetOrdinal("age");
long id = Convert.ToInt64(reader.GetValue(idO));
string name = reader.GetString(nameO);
string login = reader.GetString(loginO);
string password = reader.GetString(passwordO);
string address = reader.GetString(addressO);
long age = Convert.ToInt64(reader.GetValue(ageO));
user.id = id;
user.name = name;
user.login = login;
user.password = password;
user.address = address;
user.age = age;
}
}
}
connect.Close();
return(user);
}
public void AddUser(string name, string login, string password, string address, int age)
{
MySqlConnection connect = DBWorker.getMySqlConnection();
connect.Open();
string query = "INSERT INTO users (name, login, password, address, age) VALUES (@name, @login, @password," +
"@address, @age)";
MySqlCommand command = new MySqlCommand(query, connect);
command.Parameters.Add(new MySqlParameter("@name", name));
command.Parameters.Add(new MySqlParameter("@login", login));
command.Parameters.Add(new MySqlParameter("@password", password));
command.Parameters.Add(new MySqlParameter("@address", address));
command.Parameters.Add(new MySqlParameter("@age", age));
command.ExecuteNonQuery();
connect.Close();
}
public List <Order> GetAllOrders()
{
MySqlConnection connect = DBWorker.getMySqlConnection();
connect.Open();
string query = "SELECT * FROM orders";
MySqlCommand command = new MySqlCommand(query, connect);
List <Order> orderCol = new List <Order>(); // collection for my users
using (DbDataReader reader = command.ExecuteReader())
{
if (reader.HasRows)
{
while (reader.Read())
{
int idO = reader.GetOrdinal("id");
int user_idO = reader.GetOrdinal("user_id");
int nameO = reader.GetOrdinal("name");
int modelO = reader.GetOrdinal("model");
long id = Convert.ToInt64(reader.GetValue(idO));
long user_id = Convert.ToInt64(reader.GetValue(user_idO));
string name = reader.GetString(nameO);
int model = Convert.ToInt32(reader.GetValue(modelO));
Order tempOrder = new Order(); // temp user
tempOrder.id = id;
tempOrder.user_id = user_id;
tempOrder.name = name;
tempOrder.model = model;
orderCol.Add(tempOrder);
}
}
}
connect.Close();
return(orderCol);
}
public List <UserWithOrder> GetUserWithOrders(int id)
{
MySqlConnection connect = DBWorker.getMySqlConnection();
connect.Open();
string query = "SELECT users.name, orders.name, orders.model FROM users JOIN orders ON users.id = orders.users_id" +
"WHERE users.id = " + id;
MySqlCommand command = new MySqlCommand(query, connect);
List <UserWithOrder> usWithOr = new List <UserWithOrder>();
using (DbDataReader reader = command.ExecuteReader())
{
if (reader.HasRows)
{
while (reader.Read())
{
int nameO = reader.GetOrdinal("name");
int nameOrderO = reader.GetOrdinal("name");
int modelOrderO = reader.GetOrdinal("model");
string name = reader.GetString(nameO);
string nameOrder = reader.GetString(nameOrderO);
int model = Convert.ToInt32(reader.GetValue(modelOrderO));
UserWithOrder userAndOrders = new UserWithOrder(); // temp user
userAndOrders.name = name;
userAndOrders.nameOrder = nameOrder;
userAndOrders.model = model;
usWithOr.Add(userAndOrders);
}
}
}
connect.Close();
return(usWithOr);
}
