public override void Task2()
{
var town = new Towns()
{
Name = "Moscow"
};
Context.Towns.Add(town);
Context.SaveChanges(); //call to get town ID
var address = new Addresses()
{
AddressText = "27/1 Lubyanka", Town = town
};
Context.Addresses.Add(address);
Context.SaveChanges(); //call to get address ID
var browns = (
from employee in Context.Employees
where employee.LastName == "Brown"
select employee
).ToList();
browns.ForEach(t => t.Address = address);
Context.SaveChanges(); //call to save addresses
}
//Task 2
static string AddNewAdressForBrown()
{
var town = new Towns()
{
Name = "Moscow"
};
_context.Towns.Add(town);
_context.SaveChanges();
var address = new Addresses()
{
AddressText = "Brown street", Town = town
};
_context.Addresses.Add(address);
_context.SaveChanges();
var browns = (
from employee in _context.Employees
where employee.LastName == "Brown"
select employee
).ToList();
browns.ForEach(e => e.Address = address);
var sb = new StringBuilder();
foreach (var b in browns)
{
sb.AppendLine($"{b.FirstName} {b.LastName} {b.MiddleName} {b.JobTitle} {b.DepartmentId} {b.ManagerId} {b.Address.AddressText}");
}
return(sb.ToString().TrimEnd());
}
static void Task_2()
{
Console.Write("Введите город: ");
string towns = Console.ReadLine();
Console.Write("Введите адрес: ");
var newAddress = Console.ReadLine();
var selectTown = context.Towns.Where(t => t.Name.Contains(towns)).FirstOrDefault();
if (selectTown != null)
{
Addresses addAddress = new Addresses()
{
AddressText = newAddress,
TownId = selectTown.TownId
};
context.Addresses.Add(addAddress);
try
{
context.SaveChanges();
}
catch (Exception e)
{
Console.WriteLine(e.InnerException.Message);
}
UpdateUsers(newAddress);
}
else
{
Console.WriteLine("Данного города не существует в базе, желаете добавить?");
Console.Write("Введите Y/N (Да/Нет): ");
string choose = Console.ReadLine();
switch (choose)
{
case "Y":
Towns addTowns = new Towns()
{
Name = towns
};
context.Towns.Add(addTowns);
try
{
context.SaveChanges();
}
catch (Exception e)
{
Console.WriteLine(e.InnerException.Message);
break;
}
var twId = context.Towns.Where(t => t.Name.Contains(towns)).FirstOrDefault();
if (twId == null)
{
Console.WriteLine("Не удалось добавить город, повторите попытку позже..");
break;
}
else
{
Addresses addAddressWithTown = new Addresses()
{
AddressText = newAddress,
TownId = twId.TownId
};
context.Addresses.Add(addAddressWithTown);
try
{
context.SaveChanges();
}
catch (Exception e)
{
Console.WriteLine(e.InnerException.Message);
break;
}
UpdateUsers(newAddress);
}
break;
case "N":
Console.WriteLine("\nЗавершение работы..");
break;
}
}
}
static void Task_2_SQL()
{
Console.Write("Введите город: ");
string towns = Console.ReadLine();
Console.Write("Введите адрес: ");
var newAddress = Console.ReadLine();
string nativeSqlQuery = $"SELECT * FROM Towns AS t " +
$"WHERE t.Name = @town";
SqlParameter param = new SqlParameter("@town", towns);
var selectTown = context.Towns.FromSqlRaw(nativeSqlQuery, param).FirstOrDefault();
if (selectTown != null)
{
Addresses addAddress = new Addresses()
{
AddressText = newAddress,
TownId = selectTown.TownId
};
context.Addresses.Add(addAddress);
try
{
context.SaveChanges();
}
catch (Exception e)
{
Console.WriteLine(e.InnerException.Message);
}
UpdateUsers(newAddress);
}
else
{
Console.WriteLine("Данного города не существует в базе, желаете добавить?");
Console.Write("Введите Y/N (Да/Нет): ");
string choose = Console.ReadLine();
switch (choose)
{
case "Y":
Towns addTowns = new Towns()
{
Name = towns
};
context.Towns.Add(addTowns);
try
{
context.SaveChanges();
}
catch (Exception e)
{
Console.WriteLine(e.InnerException.Message);
break;
}
string nativeTwId = $"SELECT * FROM Towns AS t " +
$"WHERE t.Name = @town";
SqlParameter paramTwId = new SqlParameter("@town", towns);
var twId = context.Towns.FromSqlRaw(nativeTwId, paramTwId).FirstOrDefault();
if (twId == null)
{
Console.WriteLine("Не удалось добавить город, повторите попытку позже..");
break;
}
else
{
Addresses addAddressWithTown = new Addresses()
{
AddressText = newAddress,
TownId = twId.TownId
};
context.Addresses.Add(addAddressWithTown);
try
{
context.SaveChanges();
}
catch (Exception e)
{
Console.WriteLine(e.InnerException.Message);
break;
}
UpdateUsers_SQL(newAddress);
}
break;
case "N":
Console.WriteLine("\nЗавершение работы..");
break;
}
}
}