def get_lobby_list(self, request):
if not isinstance(request, GetLobbyListRequest):
return RpcError(message="Wrong message type, expecting GetLobbyListRequest", error_code=1)
with db(session):
userservice = UserServiceClient("tcp://*:5551")
# Fetch all lobbies and eager load all members where the user is member
lobbies = Lobby.query.join(Lobby.lobbymemberships).options(joinedload(Lobby.lobbymemberships)) \
.filter(LobbyMembership.user_id==request.userId).all()
members_list = []
for lobby in lobbies:
user_ids = map(lambda i:i.user_id, lobby.lobbymemberships)
members_list.extend(user_ids)
users_response = userservice.get_multiple_users(GetMultipleUsersRequest(userIds=members_list), timeout=5000)
users_dict = {user.id: user for user in users_response.users}
lobbies_list = []
for lobby in lobbies:
memb_list=[]
for member in lobby.lobbymemberships:
memb_list.append(ProtoLobbyMembership(user=users_dict.get(member.user_id),status=member.status))
prot_lobby = ProtoLobby(lobbyId=lobby.lobby_id, owner=users_dict.get(lobby.owner_id), lobbymembers=memb_list, gameType=lobby.game_type)
lobbies_list.append(prot_lobby)
return GetLobbyListResponse(lobbies=lobbies_list)
def get_friends(self, request):
with db(session):
userservice = UserServiceClient("tcp://*:5551")
# TODO: We may also decide if the user fetching should be done
# by the user service which means that the friendservice calls the userservice over zmq via the client api
# as planned earlier, but the responsible for this decide.
friends = Friendship.query.filter(Friendship.user_id == request.userId).all()
if not friends:
# we need to return an empty list when friends is empty
# to avoid to do an IN query with an empty list.
return GetFriendsResponse(friends=[])
users = User.query.filter(User.id.in_(map(lambda f: f.friend_id, friends)))
# print "USERS", users
friends = map(lambda u: u.id, users)
# print "friends", friends
response = userservice.get_multiple_users(GetMultipleUsersRequest(userIds=friends), timeout=5000)
if isinstance(response, GetMultipleUsersResponse):
return GetFriendsResponse(friends=response.users)
else:
return RpcError(message="Invalid user id")