// Update Airline Company (Except Password).
public void Update(AirlineCompany t)
{
using (SqlConnection conn = new SqlConnection(FlyingCenterConfig.CONNECTION_STRING))
{
using (SqlCommand cmd1 = new SqlCommand($"Select User_Name from AirlineCompanies where Id = {t.Id}", conn))
{
SqlDataReader reader = cmd1.ExecuteReader();
if (reader.Read() == true)
{
UserNames.RemoveUserName((string)reader["User_Name"]);
}
}
using (SqlCommand cmd2 = new SqlCommand($"Update AirLineCompanies Set Airline_Name = '{t.Airline_Name}', User_Name = '{t.User_Name}'," +
$"Country_Code = '{t.Country_Code}' Where Id = {t.Id}", conn))
{
SqlDataReader reader = cmd2.ExecuteReader();
if (reader.Read() == true)
{
cmd2.ExecuteNonQuery();
UserNames.AddUserName(t.User_Name);
return;
}
}
}
throw new UserNotExistException($"Sorry, But We Don't Found {t.User_Name}.");
}
//Update Details Of Current Customer (Without Password).
public void Update(Customer t)
{
using (SqlConnection conn = new SqlConnection(FlyingCenterConfig.CONNECTION_STRING))
{
using (SqlCommand cmd1 = new SqlCommand($"Select User_Name from Customers where Id = {t.Id}", conn))
{
SqlDataReader reader = cmd1.ExecuteReader();
if (reader.Read() == true)
{
UserNames.RemoveUserName((string)reader["User_Name"]);
}
}
using (SqlCommand cmd2 = new SqlCommand($"Update Customers Set First_Name = '{t.First_Name}', Last_Name = '{t.Last_Name}', User_Name = '{t.User_Name}'," +
$"Address = '{t.Address}', Credit_Card_Number = '{t.Credit_Card_Number}' Where Id = {t.Id}", conn))
{
SqlDataReader reader = cmd2.ExecuteReader();
if (reader.Read() == true)
{
cmd2.ExecuteNonQuery();
UserNames.AddUserName(t.User_Name);
return;
}
}
}
throw new UserNotExistException($"Sorry, But We Don't Found {t.User_Name}.");
}
// Add New Admin.
public long Add(Administrator t)
{
long newId;
using (SqlConnection conn = new SqlConnection(FlyingCenterConfig.CONNECTION_STRING))
{
conn.Open();
using (SqlCommand cmd1 = new SqlCommand($"Select * from UserNames where User_Names = '{t.User_Name.ToUpper()}'", conn))
{
SqlDataReader reader = cmd1.ExecuteReader();
if (reader.Read() == true || t.User_Name.ToUpper() == FlyingCenterConfig.ADMIN_NAME.ToUpper())
{
throw new UserNameIsAlreadyExistException($"Sorry But '{t.User_Name}' Is Already Exist");
}
conn.Close();
}
using (SqlCommand cmd2 = new SqlCommand($"Insert Into Administrators(User_Name,Password) Values('{t.User_Name}','{t.Password}'); SELECT CAST(scope_identity() AS bigint)", conn))
{
conn.Open();
cmd2.Parameters.AddWithValue($"{t.User_Name}", "bar");
newId = (long)cmd2.ExecuteScalar();
UserNames.AddUserName(t.User_Name);
}
}
return(newId);
}
//Remove Customer.
public void Remove(Customer t)
{
using (SqlConnection conn = new SqlConnection(FlyingCenterConfig.CONNECTION_STRING))
{
using (SqlCommand cmd = new SqlCommand($"Delete From Customers where UserName = {t.User_Name}", conn))
{
SqlDataReader reader = cmd.ExecuteReader();
if (reader.Read() == true)
{
cmd.ExecuteNonQuery();
UserNames.RemoveUserName(t.User_Name);
return;
}
}
}
throw new UserNotExistException($"Sorry, But We Don't Found {t.User_Name}.");
}
//Remove Customer.
public void Remove(Customer t)
{
using (SqlConnection conn = new SqlConnection(FlyingCenterConfig.CONNECTION_STRING))
{
conn.Open();
using (SqlCommand cmd = new SqlCommand($"Delete from Tickets Where Customer_Id = (select Top 1 Id from Customers where User_Name like '{t.User_Name}');" +
$"Delete From Customers where User_Name like '{t.User_Name}'", conn))
{
SqlDataReader reader = cmd.ExecuteReader();
if (reader.RecordsAffected > 0)
{
UserNames.RemoveUserName(t.User_Name);
return;
}
}
}
throw new UserNotExistException($"Sorry, But We Don't Found {t.User_Name}.");
}
// Add New Customer.
public void Add(Customer t)
{
using (SqlConnection conn = new SqlConnection(FlyingCenterConfig.CONNECTION_STRING))
{
using (SqlCommand cmd1 = new SqlCommand($"Select * from UserNames where User_Names = {t.User_Name.ToUpper()}", conn))
{
SqlDataReader reader = cmd1.ExecuteReader();
if (reader.Read() == true || t.User_Name.ToUpper() == FlyingCenterConfig.ADMIN_NAME.ToUpper())
{
throw new UserNameIsAlreadyExistException($"Sorry But '{t.User_Name}' Is Already Exist");
}
}
using (SqlCommand cmd2 = new SqlCommand($"Insert Into Customers(First_Name, Last_Name, User_Name, Password, Address, Credit_Card_Number) Values" +
$"('{t.First_Name}','{t.Last_Name}','{t.User_Name}','{t.Password}','{t.Address}','{t.Credit_Card_Number}')", conn))
{
cmd2.ExecuteNonQuery();
UserNames.AddUserName(t.User_Name);
}
}
}
// Add New Airline Company.
public void Add(AirlineCompany t)
{
using (SqlConnection conn = new SqlConnection(FlyingCenterConfig.CONNECTION_STRING))
{
using (SqlCommand cmd1 = new SqlCommand($"Select * from UserNames where User_Names = {t.User_Name.ToUpper()}", conn))
{
SqlDataReader reader = cmd1.ExecuteReader();
if (reader.Read() == true || t.User_Name.ToUpper() == FlyingCenterConfig.ADMIN_NAME.ToUpper())
{
throw new UserNameIsAlreadyExistException($"Sorry But '{t.User_Name}' Is Already Exist");
}
}
using (SqlCommand cmd2 = new SqlCommand($"Insert Into AirlineCompanies(Airline_Name,User_Name,Password,Country_Code) Values" +
$"('{t.Airline_Name}','{t.User_Name}','{t.Password}','{t.Country_Code}')", conn))
{
cmd2.ExecuteNonQuery();
UserNames.AddUserName(t.User_Name);
}
}
}
// Remove Airline Company.
public void Remove(AirlineCompany t)
{
using (SqlConnection conn = new SqlConnection(FlyingCenterConfig.CONNECTION_STRING))
{
conn.Open();
using (SqlCommand cmd = new SqlCommand($"Delete from Tickets Where Flight_Id = (select TOP 1 Id from Flights where AirlineCompany_Id like (select Id from AirlineCompanies where User_Name like '{t.User_Name}')); " +
$"Delete from Flights Where AirlineCompany_Id = (select Id from AirlineCompanies where User_Name like '{t.User_Name}');" +
$"Delete from AirlineCompanies Where User_Name like '{t.User_Name}'", conn))
{
using (SqlDataReader reader = cmd.ExecuteReader())
{
if (reader.RecordsAffected > 0)
{
UserNames.RemoveUserName(t.User_Name);
return;
}
}
}
}
throw new UserNotExistException($"Sorry, But We Don't Found {t.User_Name}.");
}
// Add New Admin.
public void Add(Administrator t)
{
using (SqlConnection conn = new SqlConnection(FlyingCenterConfig.CONNECTION_STRING))
{
conn.Open();
using (SqlCommand cmd1 = new SqlCommand($"Select * from UserNames where User_Names = '{t.User_Name.ToUpper()}'", conn))
{
SqlDataReader reader = cmd1.ExecuteReader();
if (reader.Read() == true || t.User_Name.ToUpper() == FlyingCenterConfig.ADMIN_NAME.ToUpper())
{
throw new UserNameIsAlreadyExistException($"Sorry But '{t.User_Name}' Is Already Exist");
}
conn.Close();
}
using (SqlCommand cmd2 = new SqlCommand($"Insert Into Administrators(User_Name,Password) Values('{t.User_Name}','{t.Password}')", conn))
{
conn.Open();
cmd2.ExecuteNonQuery();
UserNames.AddUserName(t.User_Name);
}
}
}