public ServiceCallback <List <FriendsAppUser> > ListFriends()
{
return(new ServiceCallback <List <FriendsAppUser> >(() =>
{
EventDataMsg msg = new EventDataMsg();
msg.AppId = APP_ID;
msg.EventType = (uint)FriendsAppEvents.LIST_FRIENDS;
byte[] data;
try
{
data = _api.Event.SendEvent(msg, EventRecipient.PROVIDER).Wait();
}
catch (EventServiceException e)
{
throw new FriendsAppException(e.Message);
}
FriendsAppMsg friendsAppMsg = FriendsAppMsg.Parser.ParseFrom(data);
if (friendsAppMsg == null || friendsAppMsg.FriendsList == null)
{
throw new FriendsAppException("Unknown response.");
}
return friendsAppMsg.FriendsList.FriendsList
.Where(x => x != null)
.Select(x => new FriendsAppUser(x))
.ToList();
}));
}
public ServiceCallback <FriendsAppUser> GetFriendDetails(ulong userId)
{
return(new ServiceCallback <FriendsAppUser>(() =>
{
EventDataMsg msg = new EventDataMsg();
msg.AppId = APP_ID;
msg.EventType = (uint)FriendsAppEvents.GET_FRIEND;
msg.LongValue = userId;
byte[] data;
try
{
data = _api.Event.SendEvent(msg, EventRecipient.PROVIDER).Wait();
}
catch (EventServiceException e)
{
throw new FriendsAppException(e.Message);
}
FriendsAppMsg friendsAppMsg = FriendsAppMsg.Parser.ParseFrom(data);
if (friendsAppMsg == null || friendsAppMsg.FriendDetail == null)
{
throw new FriendsAppException("Unknown response.");
}
return new FriendsAppUser(friendsAppMsg.FriendDetail);
}));
}
private byte[] HandleGetFriend(EventDataMsg eventMsg, MsgContext ctx)
{
User userReq = _api.Services.User.GetUserByClientId(ctx.senderId);
if (userReq == null)
{
throw new FriendsAppProviderException("You must be signedIn to add some friends.");
}
User userTo = User.Get(eventMsg.LongValue);
if (userTo == null)
{
throw new FriendsAppProviderException("User with this ID could not be found.");
}
List <ulong> friends = _friendsData.GetFriendsList(userReq.Id);
if (!friends.Contains(userTo.Id))
{
throw new FriendsAppProviderException("This user is not your friend.");
}
FriendsAppUser friendDetail = ToFriendsAppUser(userTo.Id);
FriendsAppMsg msg = new FriendsAppMsg();
msg.FriendDetail = friendDetail.ToNetworkModel();
return(msg.ToByteArray());
}
private byte[] HandleListFriends(EventDataMsg eventMsg, MsgContext ctx)
{
User userReq = _api.Services.User.GetUserByClientId(ctx.senderId);
if (userReq == null)
{
throw new FriendsAppProviderException("You must be signedIn to add some friends.");
}
List <ulong> friendIds = _friendsData.GetFriendsList(userReq.Id);
if (friendIds == null)
{
friendIds = new List <ulong>();
}
List <FriendsAppUser> friends = friendIds.Select(x => ToFriendsAppUser(x)).ToList();
FriendsAppMsg msg = new FriendsAppMsg();
msg.FriendsList = new FriendsAppListMsg();
msg.FriendsList.FriendsList.AddRange(friends.Select(x => x.ToNetworkModel()));
return(msg.ToByteArray());
}
private byte[] HandleListFriendRequests(EventDataMsg eventMsg, MsgContext ctx)
{
User userReq = _api.Services.User.GetUserByClientId(ctx.senderId);
if (userReq == null)
{
throw new FriendsAppProviderException("You must be signedIn to add some friends.");
}
List <ulong> requests = _friendsData.GetFriendRequests(userReq.Id);
List <FriendsAppUser> requestUsers = requests
.Select(x => User.Get(x))
.Where(x => x != null)
.Select(x => new FriendsAppUser(x.ToMessage(), null, null))
.ToList();
FriendsAppMsg msg = new FriendsAppMsg();
msg.FriendRequests = new FriendsAppRequestsMsg();
msg.FriendRequests.ToUser = userReq.Id;
msg.FriendRequests.FriendRequestsList.AddRange(requestUsers.Select(x => x.ToNetworkModel()));
return(msg.ToByteArray());
}
