/// <summary>
/// Get all Games from DB
/// </summary>
/// <returns></returns>
public List<Game> GetGames()
{
List<Game> ret = new List<Game>();
using (BlackJackDataEntities ctx = new BlackJackDataEntities())
{
ret = (from g in ctx.Game select g).ToList<Game>();
};
return ret;
}
/// <summary>
/// Get Game by ID
/// </summary>
/// <param name="ID"></param>
/// <returns></returns>
public Game GetGame(int ID)
{
using (BlackJackDataEntities ctx = new BlackJackDataEntities())
{
var ret =
(from p in ctx.Game
where p.ID == ID
select p);
if (ret.Count<Game>() != 0)
return ret.First<Game>();
}
return null;
}
/// <summary>
/// Get User by ID
/// </summary>
/// <param name="ID"></param>
/// <returns></returns>
public User GetUser(int ID)
{
using (BlackJackDataEntities ctx = new BlackJackDataEntities())
{
var ret =
(from p in ctx.User
where p.ID == ID
select p);
if (ret.Count<User>() != 0)
return ret.First<User>();
}
return null;
}
/// <summary>
/// Get User by Username
/// </summary>
/// <param name="username"></param>
/// <returns></returns>
public User GetUser(String username)
{
using (BlackJackDataEntities ctx = new BlackJackDataEntities()) {
var ret =
(from p in ctx.User
where p.username == username
orderby p.ID descending
select p);
if (ret.Count<User>() != 0)
return ret.First<User>();
}
return null;
}
/// <summary>
/// Get game by Server IP
/// </summary>
/// <param name="IP"></param>
/// <returns></returns>
public Game GetGame(string IP)
{
using (BlackJackDataEntities ctx = new BlackJackDataEntities())
{
var ret =
from p in ctx.Game
where p.IP == IP
orderby p.ID descending
select p;
if (ret.Count<Game>() != 0)
return ret.First<Game>();
}
return null;
}
/// <summary>
/// Updates the Database with the state of a entity object
/// </summary>
/// <param name="entity">The entity to update</param>
public void UpdateDB(EntityObject entity) //amazingly enough this is required to allow changing objects in the detached way my dal is working since im closing the context all the time
{
using (BlackJackDataEntities ctx = new BlackJackDataEntities())
{
if (entity.EntityState == System.Data.EntityState.Modified)
{
object original = null;
if (ctx.TryGetObjectByKey(entity.EntityKey, out original))
{
ctx.ApplyCurrentValues(entity.EntityKey.EntitySetName, entity);
}
ctx.SaveChanges();
}
}
}
/// <summary>
/// Remove a game from the DB
/// </summary>
/// <param name="game">Game to Remove</param>
public void removeGame(Game game)
{
using (BlackJackDataEntities ctx = new BlackJackDataEntities())
{
ctx.Game.Attach(game);
ctx.DeleteObject(game);
ctx.SaveChanges();
}
}
/// <summary>
/// Remove all games from DB used for Testing
/// </summary>
public void deleteAllGames()
{
using (BlackJackDataEntities ctx = new BlackJackDataEntities())
{
foreach (Game g in GetGames())
{
ctx.Game.DeleteObject(g);
}
ctx.SaveChanges();
}
}
/// <summary>
/// Remove all Users from DB used for testing
/// </summary>
public void deleteAllUsers()
{
using (BlackJackDataEntities ctx = new BlackJackDataEntities())
{
ctx.SaveChanges();
foreach (User u in GetUsers())
{
ctx.Attach(u); // to prevent from running the get all query again
ctx.User.DeleteObject(u);
}
ctx.SaveChanges();
};
}
/// <summary>
/// supposed to remove the DB
/// </summary>
public void deleteDB() // isn't relevant since createDB doesn't work
{
using (BlackJackDataEntities ctx = new BlackJackDataEntities())
{
ctx.DeleteDatabase();
}
}
/// <summary>
/// Supposed to recreate the DB according to the model
/// </summary>
public void createDB() //doesn't work in mssql compact
{
using (BlackJackDataEntities ctx = new BlackJackDataEntities())
{
ctx.CreateDatabase();
}
}
/// <summary>
/// Add a user to the DB
/// </summary>
/// <param name="username">Username</param>
/// <param name="password">Password</param>
/// <param name="money" value="1000">Starting Money</param>
public User AddUser(string username, string password, int money=1000,bool isAdmin=false)
{
using (BlackJackDataEntities ctx = new BlackJackDataEntities())
{
var maxid = 1;
if (ctx.User.Count() > 0)
{
maxid = ctx.User.Max(u => u.ID);
maxid += 1;
}
User newuser = User.CreateUser(maxid,username,password,money,isAdmin); // not very cuncurrent and should not be used but the DB is limiting
ctx.AddToUser(newuser);
ctx.SaveChanges();
return newuser;
}
}
/// <summary>
/// Add new Game Basic
/// </summary>
/// <param name="IP"></param>
/// <param name="FirstUser"></param>
public Game AddGame(string IP, string FirstUser)
{
using (BlackJackDataEntities ctx = new BlackJackDataEntities())
{
var maxid = 1;
if (ctx.Game.Count() > 0)
{
maxid = ctx.Game.Max(u => u.ID);
maxid += 1;
}
Game newgame = Game.CreateGame(maxid,IP,FirstUser,1); // not very cuncurrent and should not be used but the DB is limiting
ctx.AddToGame(newgame);
ctx.SaveChanges();
return newgame;
}
}
/// <summary>
/// Get all Users from DB
/// </summary>
/// <returns></returns>
public List<User> GetUsers()
{
List<User> ret = new List<User>();
using (BlackJackDataEntities ctx = new BlackJackDataEntities())
{
ret = (from u in ctx.User select u).ToList<User>();
};
return ret;
}
/// <summary>
/// Get Games with only one user in them
/// </summary>
/// <returns></returns>
public List<Game> GetEmptyGames()
{
List<Game> ret = new List<Game>();
using (BlackJackDataEntities ctx = new BlackJackDataEntities())
{
ret = (
from g in ctx.Game
where g.SecondUser == null
select g
).ToList<Game>();
};
return ret;
}
/// <summary>
/// Get Game by the user that opened it
/// </summary>
/// <param name="user"></param>
/// <returns></returns>
public Game GetGame(User user)
{
using (BlackJackDataEntities ctx = new BlackJackDataEntities())
{
var ret =
from p in ctx.Game
where p.FirstUser == user.username
orderby p.ID descending
select p;
if (ret.Count<Game>() != 0)
return ret.First<Game>();
}
return null;
}
