444 lines
15 KiB
Erlang
444 lines
15 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(session_ready).
|
|
|
|
-export([
|
|
process_guild_state/2,
|
|
mark_guild_unavailable/2,
|
|
check_readiness/1,
|
|
dispatch_ready_data/1,
|
|
update_ready_guilds/2
|
|
]).
|
|
|
|
process_guild_state(GuildState, State) ->
|
|
Ready = maps:get(ready, State),
|
|
CollectedGuilds = maps:get(collected_guild_states, State),
|
|
|
|
case Ready of
|
|
undefined ->
|
|
{noreply, StateAfterCreate} = session_dispatch:handle_dispatch(
|
|
guild_create, GuildState, State
|
|
),
|
|
dispatch_guild_initial_presences(GuildState, StateAfterCreate);
|
|
_ ->
|
|
NewCollectedGuilds = [GuildState | CollectedGuilds],
|
|
NewState = maps:put(collected_guild_states, NewCollectedGuilds, State),
|
|
check_readiness(update_ready_guilds(GuildState, NewState))
|
|
end.
|
|
|
|
dispatch_guild_initial_presences(_GuildState, State) ->
|
|
{noreply, State}.
|
|
|
|
mark_guild_unavailable(GuildId, State) ->
|
|
CollectedGuilds = maps:get(collected_guild_states, State),
|
|
Ready = maps:get(ready, State),
|
|
|
|
UnavailableState = #{<<"id">> => integer_to_binary(GuildId), <<"unavailable">> => true},
|
|
NewCollectedGuilds = [UnavailableState | CollectedGuilds],
|
|
NewState = maps:put(collected_guild_states, NewCollectedGuilds, State),
|
|
case Ready of
|
|
undefined -> {noreply, NewState};
|
|
_ -> {noreply, update_ready_guilds(UnavailableState, NewState)}
|
|
end.
|
|
|
|
check_readiness(State) ->
|
|
Ready = maps:get(ready, State),
|
|
PresencePid = maps:get(presence_pid, State, undefined),
|
|
Guilds = maps:get(guilds, State),
|
|
|
|
case Ready of
|
|
undefined ->
|
|
{noreply, State};
|
|
_ when PresencePid =/= undefined ->
|
|
AllGuildsReady = lists:all(fun({_, V}) -> V =/= undefined end, maps:to_list(Guilds)),
|
|
if
|
|
AllGuildsReady -> dispatch_ready_data(State);
|
|
true -> {noreply, State}
|
|
end;
|
|
_ ->
|
|
{noreply, State}
|
|
end.
|
|
|
|
dispatch_ready_data(State) ->
|
|
Ready = maps:get(ready, State),
|
|
CollectedGuilds = maps:get(collected_guild_states, State),
|
|
CollectedSessions = maps:get(collected_sessions, State),
|
|
CollectedPresences = collect_ready_presences(State, CollectedGuilds),
|
|
Users = collect_ready_users(State, CollectedGuilds),
|
|
Version = maps:get(version, State),
|
|
UserId = maps:get(user_id, State),
|
|
SessionId = maps:get(id, State),
|
|
SocketPid = maps:get(socket_pid, State, undefined),
|
|
Guilds = maps:get(guilds, State),
|
|
IsBot = maps:get(bot, State, false),
|
|
|
|
ReadyData =
|
|
case Ready of
|
|
undefined -> #{<<"guilds">> => []};
|
|
R -> R
|
|
end,
|
|
|
|
ReadyDataWithStrippedRelationships = strip_user_from_relationships(ReadyData),
|
|
|
|
ReadyDataBotStripped =
|
|
case IsBot of
|
|
true -> maps:put(<<"guilds">>, [], ReadyDataWithStrippedRelationships);
|
|
false -> ReadyDataWithStrippedRelationships
|
|
end,
|
|
|
|
UnavailableGuilds = [
|
|
#{<<"id">> => integer_to_binary(GuildId), <<"unavailable">> => true}
|
|
|| {GuildId, undefined} <- maps:to_list(Guilds)
|
|
],
|
|
StrippedGuilds = [strip_users_from_guild_members(G) || G <- lists:reverse(CollectedGuilds)],
|
|
AllGuildStates = StrippedGuilds ++ UnavailableGuilds,
|
|
|
|
ReadyDataWithoutGuildIds = maps:remove(<<"guild_ids">>, ReadyDataBotStripped),
|
|
|
|
GuildsForReady =
|
|
case IsBot of
|
|
true -> [];
|
|
false -> AllGuildStates
|
|
end,
|
|
|
|
logger:debug(
|
|
"[session_ready] dispatching READY for user ~p session ~p",
|
|
[UserId, SessionId]
|
|
),
|
|
|
|
FinalReadyData = maps:merge(ReadyDataWithoutGuildIds, #{
|
|
<<"guilds">> => GuildsForReady,
|
|
<<"sessions">> => CollectedSessions,
|
|
<<"presences">> => CollectedPresences,
|
|
<<"users">> => Users,
|
|
<<"version">> => Version,
|
|
<<"session_id">> => SessionId
|
|
}),
|
|
|
|
case SocketPid of
|
|
undefined ->
|
|
{stop, normal, State};
|
|
Pid when is_pid(Pid) ->
|
|
metrics_client:counter(<<"gateway.ready">>),
|
|
StateAfterReady = dispatch_event(ready, FinalReadyData, State),
|
|
SessionCount = length(CollectedSessions),
|
|
GuildCount = length(GuildsForReady),
|
|
PresenceCount = length(CollectedPresences),
|
|
Dimensions = #{
|
|
<<"session_id">> => SessionId,
|
|
<<"user_id">> => integer_to_binary(UserId),
|
|
<<"bot">> => bool_to_binary(IsBot)
|
|
},
|
|
metrics_client:gauge(<<"gateway.sessions.active">>, Dimensions, SessionCount),
|
|
metrics_client:gauge(<<"gateway.guilds.active">>, Dimensions, GuildCount),
|
|
metrics_client:gauge(<<"gateway.presences.active">>, Dimensions, PresenceCount),
|
|
|
|
StateAfterGuildCreates =
|
|
case IsBot of
|
|
true ->
|
|
lists:foldl(
|
|
fun(GuildState, AccState) ->
|
|
dispatch_event(guild_create, GuildState, AccState)
|
|
end,
|
|
StateAfterReady,
|
|
AllGuildStates
|
|
);
|
|
false ->
|
|
StateAfterReady
|
|
end,
|
|
|
|
PrivateChannels = get_private_channels(StateAfterGuildCreates),
|
|
spawn(fun() ->
|
|
dispatch_call_creates_for_channels(
|
|
PrivateChannels, SessionId, StateAfterGuildCreates
|
|
)
|
|
end),
|
|
|
|
FinalState = maps:merge(StateAfterGuildCreates, #{
|
|
ready => undefined,
|
|
collected_guild_states => [],
|
|
collected_sessions => []
|
|
}),
|
|
{noreply, FinalState}
|
|
end.
|
|
|
|
dispatch_event(Event, Data, State) ->
|
|
Seq = maps:get(seq, State),
|
|
SocketPid = maps:get(socket_pid, State, undefined),
|
|
NewSeq = Seq + 1,
|
|
case SocketPid of
|
|
undefined -> ok;
|
|
Pid when is_pid(Pid) -> Pid ! {dispatch, Event, Data, NewSeq}
|
|
end,
|
|
maps:put(seq, NewSeq, State).
|
|
|
|
update_ready_guilds(GuildState, State) ->
|
|
case maps:get(bot, State, false) of
|
|
true ->
|
|
State;
|
|
false ->
|
|
Ready = maps:get(ready, State),
|
|
case is_map(Ready) of
|
|
true ->
|
|
Guilds = maps:get(<<"guilds">>, Ready, []),
|
|
NewGuilds = Guilds ++ [GuildState],
|
|
NewReady = maps:put(<<"guilds">>, NewGuilds, Ready),
|
|
maps:put(ready, NewReady, State);
|
|
false ->
|
|
State
|
|
end
|
|
end.
|
|
|
|
collect_ready_users(State, CollectedGuilds) ->
|
|
case maps:get(bot, State, false) of
|
|
true ->
|
|
[];
|
|
false ->
|
|
collect_ready_users_nonbot(State, CollectedGuilds)
|
|
end.
|
|
|
|
collect_ready_users_nonbot(State, CollectedGuilds) ->
|
|
Ready = maps:get(ready, State, #{}),
|
|
Relationships = map_utils:ensure_list(map_utils:get_safe(Ready, <<"relationships">>, [])),
|
|
RelUsers = [
|
|
user_utils:normalize_user(maps:get(<<"user">>, Rel, undefined))
|
|
|| Rel <- Relationships
|
|
],
|
|
Channels = maps:get(channels, State, #{}),
|
|
ChannelUsers = collect_channel_users(maps:values(Channels)),
|
|
GuildUsers = collect_guild_users(CollectedGuilds),
|
|
Users0 = [U || U <- RelUsers ++ ChannelUsers ++ GuildUsers, is_map(U)],
|
|
dedup_users(Users0).
|
|
|
|
collect_ready_presences(State, _CollectedGuilds) ->
|
|
CurrentUserId = maps:get(user_id, State),
|
|
IsBot = maps:get(bot, State, false),
|
|
|
|
{FriendIds, GdmIds} =
|
|
case IsBot of
|
|
true ->
|
|
{[], []};
|
|
false ->
|
|
FIds = presence_targets:friend_ids_from_state(State),
|
|
GdmMap = presence_targets:group_dm_recipients_from_state(State),
|
|
GIds = lists:append([
|
|
maps:keys(Recipients)
|
|
|| {_Cid, Recipients} <- maps:to_list(GdmMap)
|
|
]),
|
|
{FIds, GIds}
|
|
end,
|
|
|
|
Targets = lists:usort(FriendIds ++ GdmIds) -- [CurrentUserId],
|
|
case Targets of
|
|
[] ->
|
|
[];
|
|
_ ->
|
|
Cached = presence_cache:bulk_get(Targets),
|
|
Visible = [P || P <- Cached, presence_visible(P)],
|
|
dedup_presences(Visible)
|
|
end.
|
|
|
|
presence_user_id(P) when is_map(P) ->
|
|
User = maps:get(<<"user">>, P, #{}),
|
|
map_utils:get_integer(User, <<"id">>, undefined);
|
|
presence_user_id(_) ->
|
|
undefined.
|
|
|
|
presence_visible(P) ->
|
|
Status = maps:get(<<"status">>, P, <<"offline">>),
|
|
Status =/= <<"offline">> andalso Status =/= <<"invisible">>.
|
|
|
|
dedup_presences(Presences) ->
|
|
Map =
|
|
lists:foldl(
|
|
fun(P, Acc) ->
|
|
case presence_user_id(P) of
|
|
undefined -> Acc;
|
|
Id -> maps:put(Id, P, Acc)
|
|
end
|
|
end,
|
|
#{},
|
|
Presences
|
|
),
|
|
maps:values(Map).
|
|
|
|
collect_channel_users(Channels) ->
|
|
lists:foldl(
|
|
fun(Channel, Acc) ->
|
|
Type = maps:get(<<"type">>, Channel, 0),
|
|
case Type =:= 1 orelse Type =:= 3 of
|
|
true ->
|
|
RecipientsRaw = map_utils:ensure_list(maps:get(<<"recipients">>, Channel, [])),
|
|
Recipients = [user_utils:normalize_user(R) || R <- RecipientsRaw],
|
|
Recipients ++ Acc;
|
|
false ->
|
|
Acc
|
|
end
|
|
end,
|
|
[],
|
|
Channels
|
|
).
|
|
|
|
collect_guild_users(GuildStates) ->
|
|
lists:foldl(
|
|
fun(GuildState, Acc) ->
|
|
Members = map_utils:ensure_list(maps:get(<<"members">>, GuildState, [])),
|
|
MemberUsers = [
|
|
user_utils:normalize_user(maps:get(<<"user">>, M, undefined))
|
|
|| M <- Members
|
|
],
|
|
MemberUsers ++ Acc
|
|
end,
|
|
[],
|
|
ensure_list(GuildStates)
|
|
).
|
|
|
|
dedup_users(Users) ->
|
|
Map =
|
|
lists:foldl(
|
|
fun(U, Acc) ->
|
|
Id = maps:get(<<"id">>, U, undefined),
|
|
case Id of
|
|
undefined -> Acc;
|
|
_ -> maps:put(Id, U, Acc)
|
|
end
|
|
end,
|
|
#{},
|
|
Users
|
|
),
|
|
maps:values(Map).
|
|
|
|
ensure_list(List) when is_list(List) -> List;
|
|
ensure_list(_) -> [].
|
|
|
|
strip_users_from_guild_members(GuildState) when is_map(GuildState) ->
|
|
case maps:get(<<"unavailable">>, GuildState, false) of
|
|
true ->
|
|
GuildState;
|
|
false ->
|
|
Members = map_utils:ensure_list(maps:get(<<"members">>, GuildState, [])),
|
|
StrippedMembers = [strip_user_from_member(M) || M <- Members],
|
|
maps:put(<<"members">>, StrippedMembers, GuildState)
|
|
end;
|
|
strip_users_from_guild_members(GuildState) ->
|
|
GuildState.
|
|
|
|
strip_user_from_member(Member) when is_map(Member) ->
|
|
case maps:get(<<"user">>, Member, undefined) of
|
|
undefined ->
|
|
Member;
|
|
User when is_map(User) ->
|
|
UserId = maps:get(<<"id">>, User, undefined),
|
|
maps:put(<<"user">>, #{<<"id">> => UserId}, Member);
|
|
_ ->
|
|
Member
|
|
end;
|
|
strip_user_from_member(Member) ->
|
|
Member.
|
|
|
|
strip_user_from_relationships(ReadyData) when is_map(ReadyData) ->
|
|
Relationships = map_utils:ensure_list(maps:get(<<"relationships">>, ReadyData, [])),
|
|
StrippedRelationships = [strip_user_from_relationship(R) || R <- Relationships],
|
|
maps:put(<<"relationships">>, StrippedRelationships, ReadyData);
|
|
strip_user_from_relationships(ReadyData) ->
|
|
ReadyData.
|
|
|
|
strip_user_from_relationship(Relationship) when is_map(Relationship) ->
|
|
case maps:get(<<"user">>, Relationship, undefined) of
|
|
undefined ->
|
|
Relationship;
|
|
User when is_map(User) ->
|
|
UserId = maps:get(<<"id">>, User, undefined),
|
|
RelWithoutUser = maps:remove(<<"user">>, Relationship),
|
|
case maps:get(<<"id">>, RelWithoutUser, undefined) of
|
|
undefined -> maps:put(<<"id">>, UserId, RelWithoutUser);
|
|
_ -> RelWithoutUser
|
|
end;
|
|
_ ->
|
|
Relationship
|
|
end;
|
|
strip_user_from_relationship(Relationship) ->
|
|
Relationship.
|
|
|
|
get_private_channels(State) ->
|
|
Channels = maps:get(channels, State, #{}),
|
|
maps:filter(
|
|
fun(_ChannelId, Channel) ->
|
|
ChannelType = maps:get(<<"type">>, Channel, 0),
|
|
ChannelType =:= 1 orelse ChannelType =:= 3
|
|
end,
|
|
Channels
|
|
).
|
|
|
|
dispatch_call_creates_for_channels(PrivateChannels, SessionId, State) ->
|
|
lists:foreach(
|
|
fun({ChannelId, _Channel}) ->
|
|
dispatch_call_create_for_channel(ChannelId, SessionId, State)
|
|
end,
|
|
maps:to_list(PrivateChannels)
|
|
).
|
|
|
|
dispatch_call_create_for_channel(ChannelId, _SessionId, State) ->
|
|
try
|
|
case gen_server:call(call_manager, {lookup, ChannelId}, 5000) of
|
|
{ok, CallPid} ->
|
|
dispatch_call_create_from_pid(CallPid, State);
|
|
_ ->
|
|
ok
|
|
end
|
|
catch
|
|
_:_ -> ok
|
|
end.
|
|
|
|
dispatch_call_create_from_pid(CallPid, State) ->
|
|
case gen_server:call(CallPid, {get_state}, 5000) of
|
|
{ok, CallData} ->
|
|
CreatedAt = maps:get(created_at, CallData, 0),
|
|
Now = erlang:system_time(millisecond),
|
|
CallAge = Now - CreatedAt,
|
|
case CallAge < 5000 of
|
|
true ->
|
|
ok;
|
|
false ->
|
|
ChannelIdBin = maps:get(channel_id, CallData),
|
|
case validation:validate_snowflake(<<"channel_id">>, ChannelIdBin) of
|
|
{ok, ChannelId} ->
|
|
SessionPid = self(),
|
|
gen_server:cast(SessionPid, {call_monitor, ChannelId, CallPid}),
|
|
dispatch_event(call_create, CallData, State),
|
|
SessionId = maps:get(id, State),
|
|
metrics_client:counter(<<"gateway.calls.total">>, #{
|
|
<<"channel_id">> => integer_to_binary(ChannelId),
|
|
<<"session_id">> => SessionId,
|
|
<<"status">> => <<"create">>
|
|
});
|
|
{error, _, Reason} ->
|
|
logger:warning("[session_ready] Invalid channel_id in call data: ~p", [
|
|
Reason
|
|
]),
|
|
ok
|
|
end
|
|
end;
|
|
_ ->
|
|
ok
|
|
end.
|
|
|
|
-spec bool_to_binary(term()) -> binary().
|
|
bool_to_binary(true) -> <<"true">>;
|
|
bool_to_binary(false) -> <<"false">>.
|