/// <summary>
/// Callback which is fired when a client disconnected from
/// </summary>
/// <param name="stopCalled"></param>
/// <returns></returns>
public override async Task OnDisconnected(bool stopCalled)
{
using (var lifeTimeScope = LifetimeScope.BeginLifetimeScope())
{
// Search unit of work from life time scope.
var unitOfWork = lifeTimeScope.Resolve <IUnitOfWork>();
// Search for record whose index is the same as connection index.
var condition = new FindSignalrConnectionViewModel();
condition.Index = new TextSearch();
condition.Index.Mode = TextComparision.EqualIgnoreCase;
condition.Index.Value = Context.ConnectionId;
// Find connections with specific conditions.
var connections = unitOfWork.RepositorySignalrConnections.Search();
connections = unitOfWork.RepositorySignalrConnections.Search(connections, condition);
unitOfWork.RepositorySignalrConnections.Remove(connections);
await unitOfWork.CommitAsync();
}
}
/// <summary>
/// Search records with specific conditions.
/// </summary>
/// <param name="connections"></param>
/// <param name="conditions"></param>
/// <returns></returns>
public IQueryable <SignalrConnection> Search(IQueryable <SignalrConnection> connections,
FindSignalrConnectionViewModel conditions)
{
// Conditions is invalid.
if (conditions == null)
{
return(connections);
}
if (conditions.Index != null && !string.IsNullOrEmpty(conditions.Index.Value))
{
var szIndex = conditions.Index;
switch (szIndex.Mode)
{
case TextComparision.Contain:
connections = connections.Where(x => x.Index.Contains(szIndex.Value));
break;
case TextComparision.Equal:
connections = connections.Where(x => x.Index.Equals(szIndex.Value));
break;
case TextComparision.EqualIgnoreCase:
connections =
connections.Where(x => x.Index.Equals(szIndex.Value, StringComparison.InvariantCultureIgnoreCase));
break;
case TextComparision.StartsWith:
connections = connections.Where(x => x.Index.StartsWith(szIndex.Value));
break;
case TextComparision.StartsWithIgnoreCase:
connections =
connections.Where(
x => x.Index.StartsWith(szIndex.Value, StringComparison.InvariantCultureIgnoreCase));
break;
case TextComparision.EndsWith:
connections = connections.Where(x => x.Index.EndsWith(szIndex.Value));
break;
case TextComparision.EndsWithIgnoreCase:
connections =
connections.Where(
x => x.Index.EndsWith(szIndex.Value, StringComparison.InvariantCultureIgnoreCase));
break;
default:
connections = connections.Where(x => x.Index.ToLower().Contains(szIndex.Value.ToLower()));
break;
}
}
if (conditions.Owner != null)
{
connections = connections.Where(x => x.OwnerIndex == conditions.Owner.Value);
}
var timeSearchCreated = conditions.Created;
if (timeSearchCreated != null)
{
var from = timeSearchCreated.From;
var to = timeSearchCreated.To;
if (from != null)
{
connections = connections.Where(x => x.CreatedTime >= from.Value);
}
if (to != null)
{
connections = connections.Where(x => x.CreatedTime <= to.Value);
}
}
return(connections);
}
