fluxer/fluxer_gateway/src/presence/presence_session.erl
2026-01-01 21:05:54 +00:00

117 lines
3.9 KiB
Erlang

%% Copyright (C) 2026 Fluxer Contributors
%%
%% This file is part of Fluxer.
%%
%% Fluxer is free software: you can redistribute it and/or modify
%% it under the terms of the GNU Affero General Public License as published by
%% the Free Software Foundation, either version 3 of the License, or
%% (at your option) any later version.
%%
%% Fluxer is distributed in the hope that it will be useful,
%% but WITHOUT ANY WARRANTY; without even the implied warranty of
%% MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
%% GNU Affero General Public License for more details.
%%
%% You should have received a copy of the GNU Affero General Public License
%% along with Fluxer. If not, see <https://www.gnu.org/licenses/>.
-module(presence_session).
-export([
handle_session_connect/3,
handle_presence_update/2,
dispatch_sessions_replace/1,
notify_sessions_guild_join/2,
notify_sessions_guild_leave/2,
find_session_by_ref/2
]).
handle_session_connect(Request, Pid, State) ->
#{session_id := SessionId, status := Status} = Request,
Afk = maps:get(afk, Request, false),
Mobile = maps:get(mobile, Request, false),
SocketPid = maps:get(socket_pid, Request, undefined),
Sessions = maps:get(sessions, State),
case maps:is_key(SessionId, Sessions) of
true ->
SessionsData = presence_status:collect_sessions_for_replace(Sessions),
{reply, {ok, SessionsData}, State};
false ->
Ref = monitor(process, Pid),
SessionEntry = #{
session_id => SessionId,
status => Status,
afk => Afk,
mobile => Mobile,
pid => Pid,
mref => Ref,
socket_pid => SocketPid
},
NewSessions = maps:put(SessionId, SessionEntry, Sessions),
NewState = maps:put(sessions, NewSessions, State),
SessionsData = presence_status:collect_sessions_for_replace(NewSessions),
{reply, {ok, SessionsData}, NewState}
end.
handle_presence_update(Request, State) ->
#{session_id := SessionId, status := Status} = Request,
Afk = maps:get(afk, Request, false),
Sessions = maps:get(sessions, State),
case maps:get(SessionId, Sessions, undefined) of
undefined ->
{noreply, State};
Session ->
UpdatedSession = Session#{status => Status, afk => Afk},
NewSessions = maps:put(SessionId, UpdatedSession, Sessions),
NewState = maps:put(sessions, NewSessions, State),
dispatch_sessions_replace(NewState),
{noreply, NewState}
end.
dispatch_sessions_replace(State) ->
Sessions = maps:get(sessions, State),
SessionsData = presence_status:collect_sessions_for_replace(Sessions),
SessionPids = [maps:get(pid, S) || S <- maps:values(Sessions)],
lists:foreach(
fun(Pid) when is_pid(Pid) ->
gen_server:cast(Pid, {dispatch, sessions_replace, SessionsData})
end,
SessionPids
).
notify_sessions_guild_join(GuildId, State) ->
Sessions = maps:get(sessions, State),
SessionPids = [maps:get(pid, S) || S <- maps:values(Sessions)],
lists:foreach(
fun(Pid) when is_pid(Pid) ->
gen_server:cast(Pid, {guild_join, GuildId})
end,
SessionPids
).
notify_sessions_guild_leave(GuildId, State) ->
Sessions = maps:get(sessions, State),
SessionPids = [maps:get(pid, S) || S <- maps:values(Sessions)],
lists:foreach(
fun(Pid) when is_pid(Pid) ->
gen_server:cast(Pid, {guild_leave, GuildId})
end,
SessionPids
).
find_session_by_ref(Ref, Sessions) ->
maps:fold(
fun(SessionId, S, Acc) ->
case maps:get(mref, S) of
Ref -> {ok, SessionId};
_ -> Acc
end
end,
not_found,
Sessions
).