public void Delete()
{
Exist();
try
{
using (var c = new TotalContext(_connectionString))
{
var site = c.Sites.Find(Name);
var users = site.Users;
var auctions = site.Auctions;
var sessionList = users.Select(x => x.Sessions.ToList()).ToList().AsReadOnly();
foreach (var y in sessionList)
{
c.Sessions.RemoveRange(y);
}
c.Sites.Remove(site);
c.SaveChanges();
}
}
catch (Exception e)
{
Debug.WriteLine(e.Message);
throw new UnavailableDbException("connection failed!", e);
}
}
public bool BidOnAuction(ISession session, double offer)
{
Exist();
CheckNull(session, "session");
if (!session.IsValid())
{
throw new ArgumentException("Session not valid anymore");
}
CheckOffer(offer);
CheckEndsOn(EndsOn, _alarmClock.Now, false);
CheckNotEquals(Seller, session.User);
try
{
using (var c = new TotalContext(_connectionString))
{
var auct = c.Auctions.Find(Id);
var bidderSess = c.Sessions.Find(session.Id);
var sel = (from u in c.Users
where u.Name == Seller.Username && bidderSess.User.SiteName == u.SiteName
select u).AsNoTracking().SingleOrDefault();
var bidder = new User(session.User.Username, auct.Site.Name, _alarmClock, _connectionString);
if (sel == null)
{
throw new ArgumentException("User from another site can't bid in this auction!", nameof(bidderSess.UserId));
}
bidderSess.ValidUntil = _alarmClock.Now.AddSeconds(auct.Site.SessionExp);
var mySession = (Session)session;
mySession.ValidUntil = bidderSess.ValidUntil;
if (!ControlBidder(auct, bidder, offer))
{
return(false);
}
UpdateAuctionBid(auct, bidderSess, offer);
c.SaveChanges();
}
}
catch (Exception e) when(!(e is ArgumentException || e is InvalidOperationException))
{
Debug.WriteLine(e.Message);
throw new UnavailableDbException("connection error!");
}
return(true);
}
public void Setup(string connectionString)
{
CheckNull(connectionString, "connectionString");
try
{
using (var database = new TotalContext(connectionString))
{
database.Database.Delete();
database.Database.Create();
}
}
catch (Exception e)
{
Debug.WriteLine(e.Message);
throw new UnavailableDbException("setup failed!", e);
}
}
public void TestPerformance()
{
var jsonData = File.ReadAllBytes(JsonFilePath);
FLError error;
var unmanagedData = Marshal.AllocHGlobal(jsonData.Length);
Marshal.Copy(jsonData, 0, unmanagedData, jsonData.Length);
var slice = new FLSlice(unmanagedData.ToPointer(), (ulong)jsonData.Length);
var fleeceData = NativeRaw.FLData_ConvertJSON(slice, &error);
var root = Native.FLValue_AsArray(NativeRaw.FLValue_FromData(fleeceData));
RunTestVariants(() => {
uint numDocs;
{
var st = Stopwatch.StartNew();
numDocs = InsertDocs(root);
numDocs.Should().Be(12188, "because otherwise an incorrect number of documents was inserted");
st.PrintReport("Writing docs", numDocs, "doc");
}
{
var st = Stopwatch.StartNew();
IndexViews();
st.PrintReport("Indexing Albums/Artists views", numDocs, "doc");
}
{
var st = Stopwatch.StartNew();
IndexTracksView();
st.PrintReport("Indexing Tracks view", numDocs, "doc");
}
{
var st = Stopwatch.StartNew();
var context = new TotalContext();
var reduce = new C4ManagedReduceFunction(TotalAccumulate, TotalReduce, context);
var numArtists = QueryGrouped(_artistsView, reduce.Native);
reduce.Dispose();
numArtists.Should().Be(1141, "because otherwise the query returned incorrect information");
st.PrintReport("Grouped query of Artist view", numDocs, "doc");
}
});
Marshal.FreeHGlobal(unmanagedData);
}
public IAuction CreateAuction(string description, DateTime endsOn, double startingPrice)
{
CheckIsValid(this);
CheckNull(description, "description");
CheckIsNotEmpty(description, "description");
CheckDouble(startingPrice, "startingPrice");
CheckEndsOn(endsOn, _alarmClock.Now, true);
try {
using (var c = new TotalContext(_connectionString))
{
var session = c.Sessions.Find(Id);
var site = c.Users.Find(session.UserId).Site;
var user = c.Users.Find(session.UserId);
var dbAuction = new AuctionEntity()
{
SellerId = user.Id,
SiteName = site.Name,
CurrentPrice = startingPrice,
ShortDescription = description,
EndsOn = endsOn,
};
c.Auctions.Add(dbAuction);
session.ValidUntil = _alarmClock.Now.AddSeconds(site.SessionExp);
c.SaveChanges();
ValidUntil = _alarmClock.Now.AddSeconds(site.SessionExp);
return(new Auction(dbAuction.Id, User, description, endsOn, _alarmClock, _connectionString));
}
}
catch (Exception e)
{
Debug.WriteLine(e.Message);
throw new UnavailableDbException("connection failed!", e);
}
}
