private static void AddUser() // method for defined add new User to the database
{
Form1 form = new Form1();
form.SendingData("introduce User's Name\n"); // call method SendingData for send current string
var userName = form.ReceivingData(); // call method Receiving for got data from client part
string userN = userName.ToString(); // convert get data to the type string
form.SendingData("introduce User's Age"); // call method SendingData for send current string
var userAge = form.ReceivingData(); // call method ReceivingData for get all data from client part
int userA = Int32.Parse(userAge); // convert get data in the int type
using (UserContext db = new UserContext()) // defined variable about class UserContext
{
User newUser = new User {
Name = userN, Age = userA
}; // defined instance with got data
db.Users.Add(newUser); // choice current object and add to the database
db.SaveChanges(); // save new data in the database
form.SendingData("command performed"); // call method SendingData for send current string
var users = db.Users; // got all users from the database
form.UsersEvent += form.ShowUsers; // defined current method 'ShowUsers' for event - 'UsersEvent'
if (form.UsersEvent != null) // if event have method for performing
{
form.UsersEvent(users); // call current event
}
}
}
private static void DeleteUser() // method for deleting certain user in the database
{
Form1 ser2 = new Form1(); // create instance class ServerKernel
ser2.SendingData("introduce User's Id"); // call method SendingData for send current string
var userId = ser2.ReceivingData(); // call method ReceivingData for get all data from client part
int userI = Int32.Parse(userId); // convert get clients data to the int type
using (UserContext db = new UserContext()) // defined instance about class UserContext
{
var users = db.Users; // got all users from database
foreach (User u in users) // get access about each user in the database
{
if (u.Id == userI) // if id will searched in the database then
{
db.Users.Remove(u); // delete current user from database
break; // and will stop current increment
}
}
db.SaveChanges(); // save database after delete certain user
ser2.SendingData("command performed"); // call method SendingData for send current string
var usersAll = db.Users; // got data about all users from database
ser2.SendingData("all Users from database"); // call method SendingData for send current string
foreach (User u in usersAll) // will got access to the every user in the database
{
ser2.SendingData($"{u.Id}.{u.Name} - {u.Age}"); // will call method SendingData for send certain data about current user
}
}
}
