public async Task Initialize()
{
StorageFolder localFolder = ApplicationData.Current.LocalFolder;
StorageFolder scoresFolder = await localFolder.CreateFolderAsync("HighScoreDatabase", CreationCollisionOption.OpenIfExists);
db = new HighScoresDataContext(@"isostore:/HighScoreDatabase/highscores.sdf");
if (!db.DatabaseExists())
{
db.CreateDatabase();
DatabaseSchemaUpdater updater = db.CreateDatabaseSchemaUpdater();
updater.DatabaseSchemaVersion = 1;
updater.Execute();
}
else
{
DatabaseSchemaUpdater updater = db.CreateDatabaseSchemaUpdater();
int databaseSchemaVersion = updater.DatabaseSchemaVersion;
if (databaseSchemaVersion == 0)
{
// add the difficulty column introduced in version one
updater.AddColumn<HighScore>("Difficulty");
updater.DatabaseSchemaVersion = 1;
updater.Execute();
}
}
}
public async Task Initialize()
{
StorageFolder localFolder = ApplicationData.Current.LocalFolder;
StorageFolder scoresFolder = await localFolder.CreateFolderAsync("HighScoreDatabase", CreationCollisionOption.OpenIfExists);
db = new HighScoresDataContext(@"isostore:/HighScoreDatabase/highscores.sdf");
if (!db.DatabaseExists())
{
db.CreateDatabase();
DatabaseSchemaUpdater updater = db.CreateDatabaseSchemaUpdater();
updater.DatabaseSchemaVersion = 1;
updater.Execute();
}
else
{
DatabaseSchemaUpdater updater = db.CreateDatabaseSchemaUpdater();
int databaseSchemaVersion = updater.DatabaseSchemaVersion;
if (databaseSchemaVersion == 0)
{
// add the difficulty column introduced in version one
updater.AddColumn <HighScore>("Difficulty");
updater.DatabaseSchemaVersion = 1;
updater.Execute();
}
}
}
public HighScoreDatabaseRepository()
{
using (IsolatedStorageFile storage = IsolatedStorageFile.GetUserStoreForApplication())
{
if (!storage.DirectoryExists("HighScoreDatabase"))
{
storage.CreateDirectory("HighScoreDatabase");
}
}
db = new HighScoresDataContext(@"isostore:/HighScoreDatabase/highscores.sdf");
if (!db.DatabaseExists())
{
db.CreateDatabase();
IsolatedStorageSettings.ApplicationSettings["DatabaseSchemaVersionWhenCreated"] = 2;
}
else
{
DatabaseSchemaUpdater updater = db.CreateDatabaseSchemaUpdater();
int databaseSchemaVersion = updater.DatabaseSchemaVersion;
if (databaseSchemaVersion == 0)
{
// get the database version from application settings
databaseSchemaVersion = (int)IsolatedStorageSettings.ApplicationSettings["DatabaseSchemaVersionWhenCreated"];
}
if (databaseSchemaVersion == 1)
{
// add the difficulty column introduced in version two
updater.AddColumn<HighScore>("Difficulty");
updater.DatabaseSchemaVersion = 2;
updater.Execute();
}
}
allQuery = CompiledQuery.Compile((HighScoresDataContext context) => from score in db.HighScores
orderby score.Score descending
select score);
levelQuery = CompiledQuery.Compile((HighScoresDataContext context, int level) => from score in db.HighScores
orderby score.Score descending
where score.LevelsCompleted == level
select score);
}
public HighScoreDatabaseRepository()
{
using (IsolatedStorageFile storage = IsolatedStorageFile.GetUserStoreForApplication())
{
if (!storage.DirectoryExists("HighScoreDatabase"))
{
storage.CreateDirectory("HighScoreDatabase");
}
}
db = new HighScoresDataContext(@"isostore:/HighScoreDatabase/highscores.sdf");
if (!db.DatabaseExists())
{
db.CreateDatabase();
DatabaseSchemaUpdater updater = db.CreateDatabaseSchemaUpdater();
updater.DatabaseSchemaVersion = 1;
updater.Execute();
}
else
{
DatabaseSchemaUpdater updater = db.CreateDatabaseSchemaUpdater();
int databaseSchemaVersion = updater.DatabaseSchemaVersion;
if (databaseSchemaVersion == 0)
{
// add the difficulty column introduced in version one
updater.AddColumn <HighScore>("Difficulty");
updater.DatabaseSchemaVersion = 1;
updater.Execute();
}
}
allQuery = CompiledQuery.Compile((HighScoresDataContext context) => from score in db.HighScores
orderby score.Score descending
select score);
levelQuery = CompiledQuery.Compile((HighScoresDataContext context, int level) => from score in db.HighScores
orderby score.Score descending
where score.LevelsCompleted == level
select score);
}