async Task <GangMemberConnectionState> IGangManager.ManageAsync(
GangParameters parameters, IGangMember member)
{
if (parameters is null)
{
throw new ArgumentNullException(nameof(parameters));
}
if (member is null)
{
throw new ArgumentNullException(nameof(member));
}
var audit = new GangAudit(parameters.GangId, null, member.Id, member.Session?.User.Id);
var auth = _serializer.Serialize(
new GangAuth(member.Id,
member.Session?.Token, _settings.Application)
);
if (member.Session == null)
{
await member.HandleAsync(GangMessageTypes.Denied, auth, audit);
await member.DisconnectAsync(RESULT_DENIED);
return(GangMemberConnectionState.Disconnected);
}
var gangId = parameters.GangId;
var gang = _gangs
.AddMemberToGang(parameters.GangId, member, _ => RaiseEvent(new GangAdded(), gangId));
if (gang.HostMember == member)
{
await member.HandleAsync(GangMessageTypes.Host, auth, audit);
}
else
{
await member.HandleAsync(GangMessageTypes.Member, auth, audit);
await gang.HostMember.HandleAsync(GangMessageTypes.Connect, null, audit);
}
RaiseEvent(new GangMemberAdded(), gangId, member.Id);
var controller = _controllerFactory.Create(
this, parameters.GangId, member,
async(data) =>
{
if (member == gang.HostMember)
{
throw new GangException("host member should not receive data");
}
var sequenceNumber = BitConverter.ToUInt32(data.AsSpan()[0..4]);
var audit = new GangAudit(parameters.GangId, sequenceNumber, member.Id, member.Session?.User.Id);
await gang.HostMember
.HandleAsync(GangMessageTypes.Command, data[4..], audit);
public GangMemberCollection RemoveMember(IGangMember member)
{
if (member == HostMember)
{
return(OtherMembers.Any()
? new GangMemberCollection(OtherMembers[0], OtherMembers.Skip(1))
: null);
}
return(new GangMemberCollection(HostMember, OtherMembers.Remove(member)));
}
IGangController IGangControllerFactory
.Create(
IGangManager manager, string gangId, IGangMember member,
GangMemberReceiveAsync receiveAsync, GangMemberSendAsync sendAsync
)
{
return(new GangController(
manager, gangId, member,
receiveAsync, sendAsync,
_serializer
));
}
public GangMemberCollection(
IGangMember hostMember = null,
IEnumerable <IGangMember> otherMembers = null)
{
HostMember = hostMember;
OtherMembers = otherMembers == null
? ImmutableArray <IGangMember> .Empty
: otherMembers.ToImmutableArray();
Members = HostMember == null
? OtherMembers
: OtherMembers.Add(HostMember);
}
public GangMemberCollection AddMember(IGangMember member)
{
if (Members.Any(m => m.Id.SequenceEqual(member.Id)))
{
throw new Exception("Member exists");
}
if (HostMember == null)
{
return(new GangMemberCollection(member));
}
return(new GangMemberCollection(HostMember, OtherMembers.Add(member)));
}
public GangController(
IGangManager manager,
string gangId, IGangMember member,
GangMemberReceiveAsync receiveAsync,
GangMemberSendAsync sendAsync,
IGangSerializationService serializer
)
{
_gangId = gangId;
Member = member;
_manager = manager;
_receiveAsync = receiveAsync;
_sendAsync = sendAsync;
_serializer = serializer;
}