pavel444-byte
9c314ecb4e
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Deploy MineGeo to Dokploy / deploy (push) Successful in 12m17s
56 lines
3.5 KiB
PL/PgSQL
56 lines
3.5 KiB
PL/PgSQL
-- Wait for in-flight room actions and block new ones until backfill and function
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-- replacement are committed, so accepted messages cannot fall between them.
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lock table public.multiplayer_rooms in exclusive mode;
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-- Player rows and their messages disappear when a player leaves a lobby.
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-- Keep the cooldown on the room's existing access identity instead.
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create table public.party_chat_cooldowns (
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room_id uuid not null references public.multiplayer_rooms(id) on delete cascade,
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access_hash text not null,
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last_message_at timestamptz not null,
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primary key (room_id, access_hash)
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);
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alter table public.party_chat_cooldowns enable row level security;
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revoke all on public.party_chat_cooldowns from public, anon, authenticated;
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grant all on public.party_chat_cooldowns to service_role;
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-- Preserve the cooldown of players who are already in a room at deployment.
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insert into public.party_chat_cooldowns (room_id, access_hash, last_message_at)
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select m.room_id, p.access_hash, max(m.created_at)
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from public.multiplayer_messages m
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join public.multiplayer_players p on p.room_id=m.room_id and p.id=m.player_id
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join public.multiplayer_rooms r on r.id=m.room_id
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where r.tournament_id is null
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group by m.room_id, p.access_hash;
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create or replace function public.multiplayer_chat(p_room uuid,p_access_hash text,p_text text default null,p_client_id uuid default null)
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returns jsonb language plpgsql security invoker set search_path='' as $$
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declare room public.multiplayer_rooms; player public.multiplayer_players; result jsonb; duplicate_message boolean;
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begin
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-- The room lock also serializes joining, leaving, and concurrent chat sends.
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select * into room from public.multiplayer_rooms where id=p_room for update;
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select * into player from public.multiplayer_players where room_id=p_room and access_hash=p_access_hash and not has_left;
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duplicate_message := player.id is not null and p_client_id is not null and exists(
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select 1 from public.multiplayer_messages where room_id=p_room and player_id=player.id and client_id=p_client_id
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);
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if player.id is not null and p_text is not null and room.chat_slow_seconds>0 and player.id<>room.host_player_id
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and not exists(select 1 from public.party_moderators where room_id=p_room and player_id=player.id)
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and not duplicate_message
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and exists(select 1 from public.party_chat_cooldowns where room_id=p_room and access_hash=p_access_hash
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and last_message_at>clock_timestamp()-make_interval(secs=>room.chat_slow_seconds))
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then raise exception 'Chat slow mode: wait before sending another message'; end if;
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result:=public.multiplayer_chat_unchecked(p_room,p_access_hash,p_text,p_client_id);
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-- Only accepted new messages advance the cooldown; reads and retries do not.
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if player.id is not null and p_text is not null and p_client_id is not null and not duplicate_message then
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insert into public.party_chat_cooldowns(room_id,access_hash,last_message_at)
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values(p_room,p_access_hash,clock_timestamp())
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on conflict(room_id,access_hash) do update set last_message_at=excluded.last_message_at;
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end if;
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return jsonb_set(result,'{messages}',coalesce((select jsonb_agg(msg || jsonb_build_object('tag',tag.tag) order by ord)
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from jsonb_array_elements(result->'messages') with ordinality x(msg,ord)
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left join public.party_tags tag on tag.room_id=p_room and tag.player_id=(msg->>'playerId')::uuid),'[]'::jsonb));
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end; $$;
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revoke all on function public.multiplayer_chat(uuid,text,text,uuid) from public,anon,authenticated;
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grant execute on function public.multiplayer_chat(uuid,text,text,uuid) to service_role;
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notify pgrst,'reload schema';
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