public static void Main()
{
var context = new DiabloEntities();
var xDocument = XDocument.Load(@"..\..\users-and-games.xml");
var xUsers = xDocument.XPathSelectElements("/users/user");
foreach (var xUser in xUsers)
{
var xGames = xUser.XPathSelectElements("games/game");
bool gameFail = false;
using (var dbContextTransactions = context.Database.BeginTransaction())
{
var user = CreateUser(xUser, context);
foreach (var xGame in xGames)
{
gameFail = CreateGame(xGame, context, user, gameFail);
}
if (gameFail)
{
dbContextTransactions.Rollback();
}
else
{
dbContextTransactions.Commit();
}
}
}
}
public static void Main()
{
var context = new DiabloEntities();
var characterNames = context.Characters.Select(ch => ch.Name);
foreach (var characterName in characterNames)
{
Console.WriteLine(characterName);
}
}
public static void Main()
{
var context = new DiabloEntities();
var finishedGames = context.Games
.Where(g => g.IsFinished)
.OrderBy(g => g.Name)
.ThenBy(g => g.Duration)
.Select(g => new
{
GameName = g.Name,
Duration = g.Duration,
Users = g.UsersGames.Select(u => new
{
Username = u.User.Username,
IpAddress = u.User.IpAddress
})
});
var xGames = new XElement("games");
foreach (var finishedGame in finishedGames)
{
var xGame = new XElement("game");
xGame.Add(new XAttribute("name", finishedGame.GameName));
if (finishedGame.Duration != null)
{
xGame.Add(new XAttribute("duration", finishedGame.Duration));
}
var xUsers = new XElement("users");
foreach (var user in finishedGame.Users)
{
var xUser = new XElement(
"user",
new XAttribute("username", user.Username),
new XAttribute("ip-address", user.IpAddress));
xUsers.Add(xUser);
}
xGame.Add(xUsers);
xGames.Add(xGame);
}
new XDocument(xGames).Save(@"..\..\finished-games.xml");
Console.WriteLine("Export finished-games.xml complited!");
}
public static void Main()
{
var context = new DiabloEntities();
var characters = context.Characters
.OrderBy(ch => ch.Name)
.Select(ch => new
{
name = ch.Name,
playedBy = ch.UsersGames.Select(u => u.User.Username)
});
JavaScriptSerializer js = new JavaScriptSerializer();
var charactersJson = js.Serialize(characters);
File.AppendAllText(@"..\..\characters.json", charactersJson);
Console.WriteLine("Export characters.json complited!");
}
private static User CreateUser(XElement xUser, DiabloEntities context)
{
User user;
var xUsername = xUser.Attribute("username").Value;
if (!context.Users.Any(u => u.Username == xUsername))
{
user = new User();
user.FirstName = null;
if (xUser.Attribute("first-name") != null)
{
user.FirstName = xUser.Attribute("first-name").Value;
}
user.LastName = null;
if (xUser.Attribute("last-name") != null)
{
user.LastName = xUser.Attribute("last-name").Value;
}
user.Email = null;
if (xUser.Attribute("email") != null)
{
user.Email = xUser.Attribute("email").Value;
}
user.Username = xUsername;
user.IsDeleted = xUser.Attribute("is-deleted").Value != "0";
user.IpAddress = xUser.Attribute("ip-address").Value;
user.RegistrationDate = Convert.ToDateTime(xUser.Attribute("registration-date").Value);
context.Users.Add(user);
Console.WriteLine("Successfully added user {0}", user.Username);
context.SaveChanges();
return user;
}
Console.WriteLine("User {0} already exists", xUsername);
return null;
}
private static bool CreateGame(XElement xGame, DiabloEntities context, User user, bool gameFail)
{
var gameName = xGame.Element("game-name").Value;
var characterName = xGame.Element("character").Attribute("name").Value;
var characterCash = decimal.Parse(xGame.Element("character").Attribute("cash").Value);
var characterLevel = int.Parse(xGame.Element("character").Attribute("level").Value);
DateTime gameJoinedOn;
bool isValidDate = DateTime.TryParse(xGame.Element("joined-on").Value, out gameJoinedOn);
Game game = context.Games.FirstOrDefault(g => g.Name == gameName);
var characterId = context.Characters
.Where(ch => ch.Name == characterName)
.Select(ch => ch.Id)
.FirstOrDefault();
if (game != null && user != null && characterCash >= 0 && isValidDate)
{
UsersGame usersGame = new UsersGame();
usersGame.GameId = game.Id;
usersGame.CharacterId = characterId;
usersGame.Cash = characterCash;
usersGame.Level = characterLevel;
usersGame.JoinedOn = gameJoinedOn;
usersGame.UserId = user.Id;
context.UsersGames.Add(usersGame);
context.SaveChanges();
Console.WriteLine("User {0} successfully added to game {1}", user.Username, game.Name);
}
else
{
gameFail = true;
}
return gameFail;
}
