private User GetUserByUsername(string username)
{
if (factoryContext == null)
{
factoryContext = new SiteFactoryContext(this.ConnectionString);
}
var queryRis = factoryContext.Users.SqlQuery("select * from dbo.Users where UserSiteName = '" + Name + "'").ToList <User>();
factoryContext.Database.Connection.Close();
if (!queryRis.Any())
{
return(null);
}
foreach (var item in queryRis)
{
if (item.Username == username)
{
return(item);
}
}
return(null);
}
public void Setup(string connectionString)
{
if (connectionString == null)
{
throw new ArgumentNullException();
}
if (!isValidConnection(connectionString))
{
throw new UnavailableDbException();
}
SiteFactoryContext ctx = new SiteFactoryContext(connectionString);
ctx.Database.Initialize(true);
/*Dato che non funziona il drop faccio le delete in modo che gli unit test vadano in blocco*/
/*La cancellazione del DB usando il Database Inizializer DropCreateDatabaseAlways non va a buon fine*/
/*Il drop causa errore di database in uso (Sql Server Express)*/
ctx.Database.ExecuteSqlCommand("delete from dbo.Auctions");
ctx.Database.ExecuteSqlCommand("delete from dbo.Sessions");
ctx.Database.ExecuteSqlCommand("delete from dbo.Users");
ctx.Database.ExecuteSqlCommand("delete from dbo.Sites");
ctx.Database.Connection.Close();
}
public IEnumerable <IUser> GetUsers()
{
if (!this.IsSiteExist(this.Name))
{
throw new InvalidOperationException();
}
if (factoryContext == null)
{
factoryContext = new SiteFactoryContext(this.ConnectionString);
}
var queryRis = factoryContext.Users.SqlQuery("select * from dbo.Users where UserSiteName = '" + Name + "'").ToList <User>();
factoryContext.Database.Connection.Close();
if (!queryRis.Any())
{
return(new List <IUser>());
}
List <IUser> allUser = new List <IUser>();
foreach (var item in queryRis)
{
allUser.Add(item);
}
return(allUser);
}
public IEnumerable <string> GetSiteNames(string connectionString)
{
if (connectionString == null)
{
throw new ArgumentNullException();
}
if (!isValidConnection(connectionString))
{
throw new UnavailableDbException();
}
List <string> allSites = new List <string>();
SiteFactoryContext ctx = new SiteFactoryContext(connectionString);
var queryRis = ctx.Sites.SqlQuery("select * from dbo.Sites").ToList <Site>();
foreach (var item in queryRis)
{
allSites.Add(item.Name);
}
ctx.Database.Connection.Close();
return(allSites);
}
public IEnumerable <IAuction> GetAuctions(bool onlyNotEnded)
{
if (!this.IsSiteExist(this.Name))
{
throw new InvalidOperationException();
}
if (factoryContext == null)
{
factoryContext = new SiteFactoryContext(this.ConnectionString);
}
var queryRis = factoryContext.Auctions.SqlQuery("select * from dbo.Auctions where AuctionSiteName = '" + Name + "'").ToList <Auction>();
factoryContext.Database.Connection.Close();
if (!queryRis.Any())
{
return(new List <IAuction>());
}
List <IAuction> allAuctions = new List <IAuction>();
foreach (var item in queryRis)
{
if (!onlyNotEnded || item.EndsOn < Now)
{
allAuctions.Add(item);
}
}
return(allAuctions);
}
public int GetTheTimezoneOf(string connectionString, string name)
{
if (connectionString == null || name == null)
{
throw new ArgumentNullException();
}
if (name.Length < DomainConstraints.MinSiteName || name.Length > DomainConstraints.MaxSiteName)
{
throw new ArgumentException();
}
if (!isValidConnection(connectionString))
{
throw new UnavailableDbException();
}
SiteFactoryContext ctx = new SiteFactoryContext(connectionString);
var queryRis = ctx.Sites.SqlQuery("select * from dbo.Sites where Name = '" + name + "'").ToList <Site>();
ctx.Database.Connection.Close();
//if (queryRis.Count<Site>() == 0)
if (!queryRis.Any())
{
throw new InexistentNameException(name);
}
return(queryRis.ToArray <Site>()[0].Timezone);
}
public void CreateSiteOnDb(string connectionString, string name, int timezone, int sessionExpirationTimeInSeconds, double minimumBidIncrement)
{
if (connectionString == null || name == null)
{
throw new ArgumentNullException();
}
if (name.Length < DomainConstraints.MinSiteName || name.Length > DomainConstraints.MaxSiteName)
{
throw new ArgumentException();
}
if (timezone < DomainConstraints.MinTimeZone || timezone > DomainConstraints.MaxTimeZone || sessionExpirationTimeInSeconds < 0 || minimumBidIncrement < 0)
{
throw new ArgumentOutOfRangeException();
}
if (!isValidConnection(connectionString))
{
throw new UnavailableDbException();
}
SiteFactoryContext ctx = new SiteFactoryContext(connectionString);
if (this.isSiteAlreadyInDB(name, ctx))
{
throw new NameAlreadyInUseException(name);
}
Site newSite = new Site(name, minimumBidIncrement, sessionExpirationTimeInSeconds, timezone, connectionString, ctx, null);
ctx.Sites.Add(newSite);
ctx.SaveChanges();
ctx.Database.Connection.Close();
}
private bool isValidConnection(string connStr)
{
if (connStr == null)
{
throw new ArgumentNullException();
}
using (var db = new SiteFactoryContext(connStr))
{
try
{
db.Database.Connection.Open();
if (db.Database.Connection.State == ConnectionState.Open)
{
Console.WriteLine(@"INFO: ConnectionString: " + db.Database.Connection.ConnectionString
+ "\n DataBase: " + db.Database.Connection.Database
+ "\n DataSource: " + db.Database.Connection.DataSource
+ "\n ServerVersion: " + db.Database.Connection.ServerVersion
+ "\n TimeOut: " + db.Database.Connection.ConnectionTimeout);
db.Database.Connection.Close();
return(true);
}
return(false);
}
catch (Exception ex)
{
Console.Write(ex.ToString());
return(false);
}
}
}
public User(Site currSite, string user, string pwd, SiteFactoryContext fc)
{
UserSiteName = currSite.Name;
Username = user;
Pwd = pwd;
this.factoryContext = fc;
}
private void SaveValidUntil()
{
if (factoryContext == null)
{
this.factoryContext = new SiteFactoryContext(SessionSite.ConnectionString);
}
factoryContext.Database.ExecuteSqlCommand("update dbo.Sessions set ValidUntil = '" + ValidUntil + "' where Id = '" + this.Id + "'");
factoryContext.Database.Connection.Close();
}
private bool IsAuctionInDB(int auctionId)
{
this.factoryContext = new SiteFactoryContext(AuctionSite.ConnectionString);
var queryResult = factoryContext.Auctions.SqlQuery("select * from dbo.Auctions where Id = " + auctionId).ToList <Auction>();
factoryContext.Database.Connection.Close();
//return queryResult.Count<Auction>() > 0;
return(queryResult.Any());
}
private void SaveLogin(ISession session)
{
if (factoryContext == null)
{
this.factoryContext = new SiteFactoryContext(this.ConnectionString);
}
factoryContext.Database.ExecuteSqlCommand("update dbo.Sessions set ValidUntil = '" + session.ValidUntil + "' where Id = '" + session.Id + "'");
factoryContext.Database.ExecuteSqlCommand("update dbo.Sessions set IsSessionActive = 'true' where Id = '" + session.Id + "'");
factoryContext.Database.Connection.Close();
}
public void Delete()
{
if (!this.IsAuctionInDB(this.Id))
{
throw new InvalidOperationException();
}
/*Delete on DB*/
this.factoryContext = new SiteFactoryContext(AuctionSite.ConnectionString);
factoryContext.Database.ExecuteSqlCommand("delete from dbo.Auctions where Id = " + this.Id);
factoryContext.Database.Connection.Close();
}
private bool isSiteAlreadyInDB(string siteName, SiteFactoryContext db)
{
if (siteName == null)
{
throw new ArgumentNullException();
}
var queryResult = db.Sites.SqlQuery("select * from dbo.Sites where Name = '" + siteName + "'").ToList <Site>();
db.Database.Connection.Close();
//return queryResult.Count<Site>() > 0;
return(queryResult.Any());
}
public void Delete()
{
if (!this.IsSessionExist())
{
throw new InvalidOperationException();
}
this.factoryContext = new SiteFactoryContext(SessionSite.ConnectionString);
factoryContext.Database.ExecuteSqlCommand("delete from dbo.Sessions where Id = '" + this.Id + "'");
factoryContext.Database.ExecuteSqlCommand("delete from dbo.Auctions where CurrSellerUserName = '******'");
factoryContext.Database.Connection.Close();
}
public bool IsSiteExist(string userName)
{
if (factoryContext == null)
{
factoryContext = new SiteFactoryContext(this.ConnectionString);
}
var queryResult = factoryContext.Sites.SqlQuery("select * from dbo.Sites where Name = '" + this.Name + "'").ToList <Site>();
factoryContext.Database.Connection.Close();
//return queryResult.Count<Site>() > 0;
return(queryResult.Any());
}
private bool IsSessionExist()
{
if (factoryContext == null)
{
factoryContext = new SiteFactoryContext(SessionSite.ConnectionString);
}
var queryResult = factoryContext.Session.SqlQuery("select * from dbo.Sessions where Id = '" + this.Id + "'").ToList <Session>();
factoryContext.Database.Connection.Close();
//return queryResult.Count<Session>() > 0;
return(queryResult.Any());
}
public void Logout()
{
if (!this.IsValid())
{
throw new InvalidOperationException();
}
IsSessionActive = false;
this.factoryContext = new SiteFactoryContext(SessionSite.ConnectionString);
factoryContext.Database.ExecuteSqlCommand("update dbo.Sessions set IsSessionActive = 'false' where Id = '" + this.Id + "'");
factoryContext.Database.Connection.Close();
}
public bool IsUserInSite(string username)
{
if (factoryContext == null)
{
factoryContext = new SiteFactoryContext(this.ConnectionString);
}
var queryRis =
factoryContext.Users.SqlQuery("select * from dbo.Users where UserSiteName = '" + Name +
"' and UserName='******'").ToList <User>();
factoryContext.Database.Connection.Close();
return(queryRis.Any());
}
public Auction(int id, User seller, string descr, DateTime endTime, double startPrice, Site site, SiteFactoryContext fc)
{
this.Id = id;
this.Description = descr;
this.EndsOn = endTime;
this.StartPrice = startPrice;
this.AuctionCurrentPrice = startPrice;
this.Cmo = 0;
CurrSellerUserName = seller.Username;
AuctionSiteName = site.Name;
this.factoryContext = fc;
}
public Session(string id, User owner, DateTime validUntil, bool isThisSessionActive, Site site, SiteFactoryContext fc)
{
this.Id = id;
this.SessionOwnerUsername = owner.Username;
this.ValidUntil = validUntil;
this.IsSessionActive = isThisSessionActive;
this.SessionSiteName = site.Name;
//this.SessionSite = site;
this.factoryContext = fc;
this.IsSessionActive = true;
}
public void Delete()
{
if (!this.IsSiteExist(this.Name))
{
throw new InvalidOperationException();
}
if (factoryContext == null)
{
factoryContext = new SiteFactoryContext(this.ConnectionString);
}
factoryContext.Database.ExecuteSqlCommand("delete from dbo.Auctions where AuctionSiteName = '" + this.Name + "'");
factoryContext.Database.ExecuteSqlCommand("delete from dbo.Sessions where SessionSiteName = '" + this.Name + "'");
factoryContext.Database.ExecuteSqlCommand("delete from dbo.Users where UserSiteName = '" + this.Name + "'");
factoryContext.Database.ExecuteSqlCommand("delete from dbo.Sites where Name = '" + this.Name + "'");
factoryContext.Database.Connection.Close();
}
public Site(string name, double minBidIncr, int sessionExpiration, int timezone, string connStr, SiteFactoryContext fc, IAlarmClock alarmClock)
{
this.Name = name;
this.MinimumBidIncrement = minBidIncr;
this.SessionExpirationInSeconds = sessionExpiration;
this.Timezone = timezone;
this.ConnectionString = connStr;
this.alarmClock = alarmClock;
if (this.alarmClock != null)
{
siteAlarm = this.alarmClock.InstantiateAlarm(300000);
siteAlarm.RingingEvent += SiteAlarm_RingingEvent;
}
this.factoryContext = fc;
}
public ISite LoadSite(string connectionString, string name, IAlarmClock alarmClock)
{
if (connectionString == null || name == null || alarmClock == null)
{
throw new ArgumentNullException();
}
if (!isValidConnection(connectionString))
{
throw new UnavailableDbException();
}
if (name.Length < DomainConstraints.MinSiteName || name.Length > DomainConstraints.MaxSiteName)
{
throw new ArgumentException();
}
SiteFactoryContext ctx = new SiteFactoryContext(connectionString);
var queryRis = ctx.Sites.SqlQuery("select * from dbo.Sites where Name = '" + name + "'").ToList <Site>();
ctx.Database.Connection.Close();
//if (queryRis.Count<Site>() == 0)
if (!queryRis.Any())
{
throw new InexistentNameException(name);
}
Site theSite = queryRis.ToArray <Site>()[0];
if (theSite.Timezone != alarmClock.Timezone)
{
throw new ArgumentException();
}
//return theSite;
return(new Site(theSite.Name, theSite.MinimumBidIncrement, theSite.SessionExpirationInSeconds,
theSite.Timezone, connectionString, ctx, alarmClock));
}
public ISession GetSession(string sessionId)
{
//if (sessionId == null || sessionId == string.Empty)
if (string.IsNullOrEmpty(sessionId))
{
throw new ArgumentNullException();
}
if (!this.IsSiteExist(this.Name))
{
throw new InvalidOperationException();
}
if (factoryContext == null)
{
factoryContext = new SiteFactoryContext(this.ConnectionString);
}
var queryRis = factoryContext.Session.SqlQuery(
"select * from dbo.Sessions where SessionSiteName = '" + Name + "' and Id = '" + sessionId + "'").ToList <Session>();
factoryContext.Database.Connection.Close();
if (!queryRis.Any())
{
return(null);
}
Session s = queryRis.ToArray <Session>()[0];
if (!s.IsValid())
{
return(null);
}
return(s);
}
public bool BidOnAuction(ISession theSession, double offer)
{
Session session = theSession as Session;
if (AuctionSite.Now > EndsOn || !this.IsAuctionInDB(this.Id))
{
throw new InvalidOperationException();
}
if (offer < 0)
{
throw new ArgumentOutOfRangeException();
}
if (session == null)
{
throw new ArgumentNullException();
}
//if (!session.IsValid() || session.User == Seller || (session.User as User).UserSite != (Seller as User).UserSite)
if (!session.IsValid() || session.User.Equals(Seller) || (session.User as User).UserSite.Name != (Seller as User).UserSite.Name)
{
throw new ArgumentException();
}
bool isValid = true;
//if (session.User as User == AuctionCurrentWinner as User && offer < (Cmo + AuctionSite.MinimumBidIncrement))
if ((session.User as User).Equals(AuctionCurrentWinner) && offer < (Cmo + AuctionSite.MinimumBidIncrement))
{
isValid = false;
}
//else if (session.User as User != AuctionCurrentWinner && offer < AuctionCurrentPrice)
else if (!(session.User as User).Equals(AuctionCurrentWinner) && offer < AuctionCurrentPrice)
{
isValid = false;
}
//else if (session.User as User != AuctionCurrentWinner && offer < (AuctionCurrentPrice + AuctionSite.MinimumBidIncrement) && Cmo != 0)
else if (!(session.User as User).Equals(AuctionCurrentWinner) && offer < (AuctionCurrentPrice + AuctionSite.MinimumBidIncrement) && Cmo != 0)
{
isValid = false;
}
else if (Cmo == 0)
{
Cmo = offer;
AuctionCurrentWinner = session.User as User;
}
//else if (session.User as User == AuctionCurrentWinner)
else if ((session.User as User).Equals(AuctionCurrentWinner))
{
Cmo = offer;
}
//else if (Cmo != 0 && session.User as User != AuctionCurrentWinner && offer > Cmo)
else if (Cmo != 0 && !(session.User as User).Equals(AuctionCurrentWinner) && offer > Cmo)
{
AuctionCurrentWinner = session.User as User;
AuctionCurrentPrice = min(offer, (Cmo + AuctionSite.MinimumBidIncrement));
Cmo = offer;
}
//else if (Cmo != 0 && session.User as User != AuctionCurrentWinner && offer <= Cmo)
else if (Cmo != 0 && !(session.User as User).Equals(AuctionCurrentWinner) && offer <= Cmo)
{
AuctionCurrentPrice = min((offer + AuctionSite.MinimumBidIncrement), Cmo);
}
//In ogni caso faccio il refresh della validità della Session dopo una offerta
session.ValidUntil = session.ValidUntil.AddSeconds(AuctionSite.SessionExpirationInSeconds);
if (factoryContext == null)
{
this.factoryContext = new SiteFactoryContext(AuctionSite.ConnectionString);
}
factoryContext.Database.ExecuteSqlCommand("update dbo.Sessions set ValidUntil = '" + session.ValidUntil + "' where Id = '" + session.Id + "'");
if (isValid)
{
factoryContext.Database.ExecuteSqlCommand("update dbo.Auctions set AuctionCurrentWinnerUsername = '******' where Id = " + this.Id);
string query = "update dbo.Auctions set AuctionCurrentPrice = " + AuctionCurrentPrice.ToString().Replace(',', '.') + " where Id = " +
this.Id;
factoryContext.Database.ExecuteSqlCommand(query);
factoryContext.Database.ExecuteSqlCommand("update dbo.Auctions set Cmo = " +
Cmo.ToString().Replace(',', '.') + " where Id = " + this.Id);
}
factoryContext.Database.Connection.Close();
return(isValid);
}
public ISession Login(string username, string password)
{
if (username == null || password == null)
{
throw new ArgumentNullException();
}
if (username.Length < DomainConstraints.MinUserName || username.Length > DomainConstraints.MaxUserName || password.Length < DomainConstraints.MinUserPassword)
{
throw new ArgumentException();
}
if (!this.IsSiteExist(this.Name))
{
throw new InvalidOperationException();
}
if (!IsUserInSite(username))
{
return(null);
}
User theUser = this.GetUserByUsername(username);
if (theUser.Pwd != password)
{
return(null);
}
theUser = new User(this, username, password, factoryContext);
Session currSession = null;
IEnumerator <ISession> en = this.GetSessions().GetEnumerator();
while (en.MoveNext())
{
currSession = en.Current as Session;
if (currSession.User.Username == username && (currSession.User as User).Pwd == password &&
!currSession.IsSessionExpired())
{
currSession.IsSessionActive = true;
//currSession.ValidUntil = currSession.ValidUntil.AddSeconds(this.SessionExpirationInSeconds);
currSession.ValidUntil = Now.AddSeconds(this.SessionExpirationInSeconds);
SaveLogin(currSession);
return(currSession);
}
}
en.Dispose();
if (factoryContext == null)
{
factoryContext = new SiteFactoryContext(this.ConnectionString);
}
int sessionId = factoryContext.Session.Count <Session>();
Session newSession = new Session(sessionId.ToString(), theUser, Now.AddSeconds(this.SessionExpirationInSeconds), true, this, factoryContext);
//factoryContext.Sites.Attach(this);
//factoryContext.Entry(theUser).State = EntityState.Added;
//factoryContext.Users.Attach(theUser);
//!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
//factoryContext.Configuration.ProxyCreationEnabled = false;
//!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
factoryContext.Session.Add(newSession);
factoryContext.SaveChanges();
factoryContext.Database.Connection.Close();
return(newSession);
}
public void Delete()
{
if (!UserSite.IsUserInSite(this.Username))
{
throw new InvalidOperationException();
}
IAuction currAuction = null;
IEnumerable <IAuction> allOpenAuctions = UserSite.GetAuctions(true); //Solo aste aperte
IEnumerator <IAuction> auctionIterator = allOpenAuctions.GetEnumerator();
while (auctionIterator.MoveNext())
{
currAuction = auctionIterator.Current;
if ((currAuction.Seller as User).Equals(this) || (currAuction.CurrentWinner() as User).Equals(this))
{
throw new InvalidOperationException();
}
}
auctionIterator.Dispose();
/*
* Se arrivo qui vuol dire che l'utente può essere tranquillamente cancellato in quanto
* non fa parte di aste in corso
*/
this.factoryContext = new SiteFactoryContext(UserSite.ConnectionString);
IEnumerable <IAuction> allAuctions = UserSite.GetAuctions(false);
auctionIterator = allAuctions.GetEnumerator();
while (auctionIterator.MoveNext())
{
currAuction = auctionIterator.Current;
if ((currAuction.Seller as User).Equals(this))
{
/*
* Se sono arrivato a poter fare questo if vuol dire che sto valutando
* per forza un'asta chiusa
* (se fosse aperta sarei caduto nell'exception precedente!)
*/
currAuction.Delete();
}
else
{
if ((currAuction.CurrentWinner() as User).Equals(this))
{
/*
* Stesso discorso di sopra;
* se sono arrivato qui sono sicuro che quest'asta è chiusa altrimenti
* sarei caduto nell'exception precedente!
*/
/*Update Auction on DB*/
factoryContext.Database.ExecuteSqlCommand("update dbo.Auctions set AuctionCurrentWinner_Username = '' where Id = " + currAuction.Id);
}
}
}
auctionIterator.Dispose();
/*In ogni caso cancello l'utente dal db*/
factoryContext.Database.ExecuteSqlCommand("delete from dbo.Users where Username = '******'");
factoryContext.Database.Connection.Close();
}