public static void Main()
{
var context = new DiabloEntities();
var charactersNames = context.Characters
.Select(c => c.Name);
foreach (var charactersName in charactersNames)
{
Console.WriteLine(charactersName);
}
}
public static void Main()
{
var context = new DiabloEntities();
var charactersWithPlayers = context.Characters
.OrderBy(c => c.Name)
.Select(c => new
{
name = c.Name,
playedBy = c.UsersGames
.Select(ug => ug.User.Username)
});
string json = JsonConvert.SerializeObject(charactersWithPlayers, Formatting.Indented);
File.WriteAllText("../../characters.json", json);
}
private static bool CheckIfAllGamesExists(IEnumerable<XElement> games, DiabloEntities context)
{
foreach (var game in games)
{
string gameName = game.Element("game-name").Value;
var gameInDatabase = context.Games
.FirstOrDefault(g => g.Name == gameName);
if (gameInDatabase == null)
{
return false;
}
}
return true;
}
public static void Main()
{
var context = new DiabloEntities();
var finishedGamesWithPlayers = context.Games
.Where(g => g.IsFinished)
.OrderBy(g => g.Name)
.ThenBy(g => g.Duration)
.Select(g => new
{
g.Name,
g.Duration,
Users = g.UsersGames
.Select(ug => new
{
ug.User.Username,
ug.User.IpAddress
})
});
XElement rootElement = new XElement("games");
foreach (var game in finishedGamesWithPlayers)
{
XElement xGame = new XElement(
"game",
new XAttribute("name", game.Name));
if (game.Duration != null)
{
xGame.SetAttributeValue("duration", game.Duration);
}
XElement xUsers = new XElement("users");
foreach (var user in game.Users)
{
XElement xUser = new XElement(
"user",
new XAttribute("username", user.Username),
new XAttribute("ip-address", user.IpAddress));
xUsers.Add(xUser);
}
xGame.Add(xUsers);
rootElement.Add(xGame);
}
rootElement.Save("../../finished-games.xml");
}
public static void Main()
{
var context = new DiabloEntities();
XDocument doc = XDocument.Load("../../users-and-games.xml");
var xmlUsers = doc.XPathSelectElements("users/user");
foreach (var xmlUser in xmlUsers)
{
var games = xmlUser.XPathSelectElements("games/game");
bool allGamesExistsInDatabases = CheckIfAllGamesExists(games, context);
if (allGamesExistsInDatabases)
{
User userInDatabase = CreateUserIfNotExists(xmlUser, context);
AddUserToGames(games, userInDatabase, context);
}
}
}
private static void AddUserToGames(IEnumerable<XElement> games, User userInDatabase, DiabloEntities context)
{
foreach (var game in games)
{
string gameName = game.Element("game-name").Value;
string characterName = game.Element("character").Attribute("name").Value;
int characterId = context.Characters
.FirstOrDefault(ch => ch.Name == characterName).Id;
decimal characterCash = decimal.Parse(game.Element("character").Attribute("cash").Value);
int characterLevel = int.Parse(game.Element("character").Attribute("level").Value);
DateTime joinedOn = DateTime.Parse(game.Element("joined-on").Value);
int gameId = context.Games
.FirstOrDefault(g => g.Name == gameName).Id;
var usersGameInDatabase = context.UsersGames
.FirstOrDefault(ug => ug.GameId == gameId && ug.UserId == userInDatabase.Id);
if (usersGameInDatabase == null)
{
UsersGame newUsersGame = new UsersGame()
{
GameId = gameId,
UserId = userInDatabase.Id,
CharacterId = characterId,
Level = characterLevel,
JoinedOn = joinedOn,
Cash = characterCash
};
context.UsersGames.Add(newUsersGame);
Console.WriteLine("User {0} successfully added to game {1}", userInDatabase.Username, gameName);
}
}
context.SaveChanges();
}
private static User CreateUserIfNotExists(XElement xmlUser, DiabloEntities context)
{
string username = xmlUser.Attribute("username").Value;
var userInDatabase = context.Users.FirstOrDefault(u => u.Username == username);
if (userInDatabase != null)
{
Console.WriteLine("User {0} already exists", username);
return userInDatabase;
}
int isDeletedValue = int.Parse(xmlUser.Attribute("is-deleted").Value);
bool isDeleted = isDeletedValue != 0;
string ipAddress = xmlUser.Attribute("ip-address").Value;
DateTime registrationDate = DateTime.Parse(xmlUser.Attribute("registration-date").Value);
string firstName =
xmlUser.Attribute("first-name") != null ? xmlUser.Attribute("first-name").Value : null;
string lastName =
xmlUser.Attribute("last-name") != null ? xmlUser.Attribute("last-name").Value : null;
string email =
xmlUser.Attribute("email") != null ? xmlUser.Attribute("email").Value : null;
User newUser = new User()
{
Username = username,
FirstName = firstName,
LastName = lastName,
Email = email,
RegistrationDate = registrationDate,
IsDeleted = isDeleted,
IpAddress = ipAddress
};
context.Users.Add(newUser);
context.SaveChanges();
Console.WriteLine("Successfully added user {0}", username);
return newUser;
}