/// <summary>
/// Add session to cache
/// </summary>
/// <param name="sess"></param>
public void AddSession(Session sess)
{
Cache_Lock.EnterWriteLock();
try
{
if (!Cache.ContainsKey(sess.SessionGuid))
{
Cache.Add(sess.SessionGuid, sess);
}
}
finally
{
Cache_Lock.ExitWriteLock();
}
}
/// <summary>
/// Create session for user
/// </summary>
/// <param name="user_id"></param>
/// <returns></returns>
public static Session CreateSession(long user_id)
{
using (var dbx = new SessionsContainer())
{
var ts = DateTime.Now;
var sqlite_guid = Guid.NewGuid().ToString();
var sess = new Session()
{
Id = sqlite_guid,
UserId = user_id,
Created = ts,
LastActivity = ts
};
dbx.Session.Add(sess);
dbx.SaveChanges();
sess = dbx.Session
.Include(s => s.User.Role)
.Where(s => s.Id == sqlite_guid).First();
return sess;
}
}
/// <summary>
/// Update sessions activity
/// if <see cref="Session.IsActivityUpdateRequired">required</see>
/// </summary>
/// <param name="sessions"></param>
public static void UpdateActivity(Session[] sessions)
{
foreach (var sess in sessions)
{
if (sess.IsActivityUpdateRequired)
{
try
{
using (var dbx = new SessionsContainer())
{
var sqlite_guid = sess.SessionGuid.ToString();
var db_sess = dbx.Session.Where(
s => s.Id == sqlite_guid).FirstOrDefault();
if (db_sess == null) continue;
db_sess.LastActivity = DateTime.Now;
dbx.SaveChanges();
}
}
catch (DbUpdateConcurrencyException cex)
{
// session was removed
var hres = cex.HResult;
Console.WriteLine("DbUpdateConcurrencyException on " + sess.ToString());
}
}
}
}
/// <summary>
/// BL: Create Session
/// </summary>
/// <param name="user_id"></param>
/// <returns></returns>
public Session CreateSession(long user_id)
{
var ts = DateTime.Now;
var sqlite_guid = Guid.NewGuid().ToString();
var sess = new Session()
{
Id = sqlite_guid,
UserId = user_id,
Created = ts,
LastActivity = ts
};
// put request: session record create
StorageManager.UpdateAsync((dbx) =>
{
dbx.Session.Add(sess);
}, "Create Session");
//put request: get created session with user and roles
// (waiting for create because it in front of the requests queue)
sess = StorageManager.Get<Session>((dbx) =>
{
return dbx.Session
.Include(s => s.User.Role)
.Where(s => s.Id == sqlite_guid).First();
}, "Get New Session");
Data_Lock.EnterWriteLock();
try
{
Data.Add(sess.SessionGuid, sess);
}
finally
{
Data_Lock.ExitWriteLock();
}
return sess;
}
