3b9d759b4b
- Clone of github.com/fluxerapp/fluxer (official upstream) - SELF_HOSTING.md: full VM rebuild procedure, architecture overview, service reference, step-by-step setup, troubleshooting, seattle reference - dev/.env.example: all env vars with secrets redacted and generation instructions - dev/livekit.yaml: LiveKit config template with placeholder keys - fluxer-seattle/: existing seattle deployment setup scripts
129 lines
3.2 KiB
Erlang
129 lines
3.2 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(guild_counts_cache).
|
|
|
|
-export([
|
|
init/0,
|
|
update/3,
|
|
get/1,
|
|
delete/1
|
|
]).
|
|
|
|
-ifdef(TEST).
|
|
-include_lib("eunit/include/eunit.hrl").
|
|
-endif.
|
|
|
|
-define(TABLE, guild_counts_cache).
|
|
|
|
-type guild_id() :: integer().
|
|
|
|
-spec init() -> ok.
|
|
init() ->
|
|
case ets:whereis(?TABLE) of
|
|
undefined ->
|
|
_ = ets:new(?TABLE, [
|
|
named_table,
|
|
public,
|
|
set,
|
|
{read_concurrency, true},
|
|
{write_concurrency, true}
|
|
]),
|
|
ok;
|
|
_ ->
|
|
ok
|
|
end.
|
|
|
|
-spec update(guild_id(), non_neg_integer(), non_neg_integer()) -> ok.
|
|
update(GuildId, MemberCount, OnlineCount) ->
|
|
ensure_table(),
|
|
ets:insert(?TABLE, {GuildId, MemberCount, OnlineCount}),
|
|
ok.
|
|
|
|
-spec get(guild_id()) -> {ok, non_neg_integer(), non_neg_integer()} | miss.
|
|
get(GuildId) ->
|
|
case catch ets:lookup(?TABLE, GuildId) of
|
|
[{GuildId, MemberCount, OnlineCount}] ->
|
|
{ok, MemberCount, OnlineCount};
|
|
_ ->
|
|
miss
|
|
end.
|
|
|
|
-spec delete(guild_id()) -> ok.
|
|
delete(GuildId) ->
|
|
catch ets:delete(?TABLE, GuildId),
|
|
ok.
|
|
|
|
-spec ensure_table() -> ok.
|
|
ensure_table() ->
|
|
case ets:whereis(?TABLE) of
|
|
undefined -> init();
|
|
_ -> ok
|
|
end.
|
|
|
|
-ifdef(TEST).
|
|
|
|
init_creates_table_test() ->
|
|
catch ets:delete(?TABLE),
|
|
ok = init(),
|
|
?assertNotEqual(undefined, ets:whereis(?TABLE)),
|
|
catch ets:delete(?TABLE).
|
|
|
|
init_idempotent_test() ->
|
|
catch ets:delete(?TABLE),
|
|
ok = init(),
|
|
ok = init(),
|
|
?assertNotEqual(undefined, ets:whereis(?TABLE)),
|
|
catch ets:delete(?TABLE).
|
|
|
|
update_and_get_test() ->
|
|
catch ets:delete(?TABLE),
|
|
ok = init(),
|
|
ok = update(100, 50, 25),
|
|
?assertEqual({ok, 50, 25}, guild_counts_cache:get(100)),
|
|
catch ets:delete(?TABLE).
|
|
|
|
get_miss_test() ->
|
|
catch ets:delete(?TABLE),
|
|
ok = init(),
|
|
?assertEqual(miss, guild_counts_cache:get(999)),
|
|
catch ets:delete(?TABLE).
|
|
|
|
update_overwrites_test() ->
|
|
catch ets:delete(?TABLE),
|
|
ok = init(),
|
|
ok = update(100, 50, 25),
|
|
ok = update(100, 60, 30),
|
|
?assertEqual({ok, 60, 30}, guild_counts_cache:get(100)),
|
|
catch ets:delete(?TABLE).
|
|
|
|
delete_removes_entry_test() ->
|
|
catch ets:delete(?TABLE),
|
|
ok = init(),
|
|
ok = update(100, 50, 25),
|
|
ok = delete(100),
|
|
?assertEqual(miss, guild_counts_cache:get(100)),
|
|
catch ets:delete(?TABLE).
|
|
|
|
delete_nonexistent_test() ->
|
|
catch ets:delete(?TABLE),
|
|
ok = init(),
|
|
ok = delete(999),
|
|
catch ets:delete(?TABLE).
|
|
|
|
-endif.
|