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Расширена работа с бан словами #22

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This commit is contained in:
Алексей Сабилин
2026-05-25 21:30:33 +03:00
parent c2d2e934d9
commit 01dbc6d6cb
4 changed files with 309 additions and 83 deletions
Download Patch File Download Diff File Expand all files Collapse all files
src/core/core_banned_words.erl
+44 -21
View File
@@ -24,28 +24,51 @@ add_banned_word(Word, AddedBy) ->
{aborted, Reason} -> {error, Reason}
end.
remove_banned_word(Word) ->
case mnesia:transaction(fun() ->
case mnesia:match_object(#banned_word{word = Word, _ = '_'}) of
[Rec] -> mnesia:delete_object(Rec), {ok, deleted};
[] -> mnesia:abort(not_found)
end
end) of
{atomic, {ok, deleted}} -> {ok, deleted};
{aborted, not_found} -> {error, not_found}
%% Поиск запрещённого слова по его тексту
-spec get_by_word(binary()) -> {ok, #banned_word{}} | {error, not_found}.
get_by_word(Word) ->
case mnesia:dirty_match_object(#banned_word{word = Word, _ = '_'}) of
[Record] -> {ok, Record};
[] -> {error, not_found}
end.
%% Проверка существования слова (по тексту)
word_exists(Word) ->
case get_by_word(Word) of
{ok, _} -> true;
_ -> false
end.
%% Обновление запрещённого слова
update_banned_word(OldWord, NewWord) ->
case mnesia:transaction(fun() ->
case mnesia:match_object(#banned_word{word = OldWord, _ = '_'}) of
[Rec] ->
Updated = Rec#banned_word{word = NewWord},
mnesia:write(Updated),
{ok, Updated};
[] ->
mnesia:abort(not_found)
end
end) of
{atomic, {ok, UpdatedRec}} -> {ok, UpdatedRec};
{aborted, not_found} -> {error, not_found}
case get_by_word(OldWord) of
{ok, Record} ->
case NewWord =:= OldWord orelse not word_exists(NewWord) of
true ->
NewRecord = Record#banned_word{word = NewWord},
F = fun() ->
%% Если первичный ключ — id, просто обновляем запись
mnesia:write(NewRecord),
ok
end,
case mnesia:transaction(F) of
{atomic, ok} -> {ok, NewRecord};
{aborted, Reason} -> {error, Reason}
end;
false ->
{error, already_exists}
end;
{error, _} = Error -> Error
end.
%% Удаление слова (используем get_by_word для надёжности)
remove_banned_word(Word) ->
case get_by_word(Word) of
{ok, Record} ->
F = fun() -> mnesia:delete({banned_word, Record#banned_word.id}), ok end,
case mnesia:transaction(F) of
{atomic, ok} -> {ok, Record};
{aborted, Reason} -> {error, Reason}
end;
{error, _} = Error -> Error
end.
src/eventhub_app.erl
+1
View File
@@ -126,6 +126,7 @@ start_admin_http() ->
{"/v1/admin/reviews", admin_handler_reviews, []},
{"/v1/admin/reviews/:id", admin_handler_reviews_by_id, []},
% ================== БАН-СЛОВА ==================
{"/v1/admin/banned-words/batch", admin_handler_banned_words, []},
{"/v1/admin/banned-words", admin_handler_banned_words, []},
{"/v1/admin/banned-words/:word", admin_handler_banned_words, []},
% ================== ТИКЕТЫ ==================
src/handlers/admin/admin_handler_banned_words.erl
+177 -58
View File
@@ -2,12 +2,13 @@
%%% @doc Административный обработчик бан-слов.
%%% GET – список всех слов с пагинацией.
%%% POST – добавить новое слово.
%%% PUT – редактировать существующее слово.
%%% DELETE – удалить слово по :word.
%%% POST /batch – загрузить список слов (добавляются только новые).
%%% @end
%%%-------------------------------------------------------------------
-module(admin_handler_banned_words).
-behaviour(cowboy_handler).
-export([init/2]).
-export([trails/0]).
@@ -16,47 +17,53 @@
-spec init(cowboy_req:req(), any()) -> {ok, cowboy_req:req(), any()}.
init(Req, _Opts) ->
case cowboy_req:method(Req) of
<<"GET">> -> list_words(Req);
<<"POST">> -> add_word(Req);
<<"GET">> -> list_words(Req);
<<"POST">> ->
case cowboy_req:path(Req) of
<<"/v1/admin/banned-words/batch">> -> batch_add_words(Req);
_ -> add_word(Req)
end;
<<"PUT">> -> update_word(Req);
<<"DELETE">> -> delete_word(Req);
_ -> handler_utils:send_error(Req, 405, <<"Method not allowed">>)
_ -> handler_utils:send_error(Req, 405, <<"Method not allowed">>)
end.
%%% Swagger metadata
-spec trails() -> [map()].
trails() ->
[
#{ % GET list
path => <<"/v1/admin/banned-words">>,
method => <<"GET">>,
% GET list
#{
path => <<"/v1/admin/banned-words">>,
method => <<"GET">>,
description => <<"List all banned words (admin)">>,
tags => [<<"Banned Words">>],
parameters => [
#{name => <<"limit">>, in => <<"query">>, schema => #{type => integer}, description => <<"Page size">>},
tags => [<<"Banned Words">>],
parameters => [
#{name => <<"limit">>, in => <<"query">>, schema => #{type => integer}, description => <<"Page size">>},
#{name => <<"offset">>, in => <<"query">>, schema => #{type => integer}, description => <<"Offset">>}
],
responses => #{
200 => #{
description => <<"Array of banned words">>,
content => #{<<"application/json">> => #{schema => #{
type => array,
type => array,
items => banned_word_schema()
}}}
}
}
},
#{ % POST add
path => <<"/v1/admin/banned-words">>,
method => <<"POST">>,
% POST add
#{
path => <<"/v1/admin/banned-words">>,
method => <<"POST">>,
description => <<"Add a new banned word">>,
tags => [<<"Banned Words">>],
tags => [<<"Banned Words">>],
requestBody => #{
required => true,
content => #{<<"application/json">> => #{schema => #{
type => object,
required => [<<"word">>],
properties => #{
word => #{type => string}
}
content => #{<<"application/json">> => #{schema => #{
type => object,
required => [<<"word">>],
properties => #{word => #{type => string}}
}}}
},
responses => #{
@@ -64,51 +71,89 @@ trails() ->
409 => #{description => <<"Word already exists">>}
}
},
#{ % DELETE by word
path => <<"/v1/admin/banned-words/:word">>,
method => <<"DELETE">>,
% PUT update
#{
path => <<"/v1/admin/banned-words/{word}">>,
method => <<"PUT">>,
description => <<"Update an existing banned word">>,
tags => [<<"Banned Words">>],
parameters => [
#{name => <<"word">>, in => <<"path">>, description => <<"Current word">>, required => true, schema => #{type => string}}
],
requestBody => #{
required => true,
content => #{<<"application/json">> => #{schema => #{
type => object,
required => [<<"word">>],
properties => #{word => #{type => string}}
}}}
},
responses => #{
200 => #{description => <<"Word updated">>},
404 => #{description => <<"Word not found">>},
409 => #{description => <<"New word already exists">>}
}
},
% DELETE by word
#{
path => <<"/v1/admin/banned-words/{word}">>,
method => <<"DELETE">>,
description => <<"Remove a banned word">>,
tags => [<<"Banned Words">>],
parameters => [
#{
name => <<"word">>,
in => <<"path">>,
description => <<"The word to remove">>,
required => true,
schema => #{type => string}
}
tags => [<<"Banned Words">>],
parameters => [
#{name => <<"word">>, in => <<"path">>, description => <<"The word to remove">>, required => true, schema => #{type => string}}
],
responses => #{
200 => #{description => <<"Word removed">>},
404 => #{description => <<"Word not found">>}
}
},
% POST batch
#{
path => <<"/v1/admin/banned-words/batch">>,
method => <<"POST">>,
description => <<"Batch add banned words (only new words are added)">>,
tags => [<<"Banned Words">>],
requestBody => #{
required => true,
content => #{<<"application/json">> => #{schema => #{
type => object,
required => [<<"words">>],
properties => #{words => #{type => array, items => #{type => string}}}
}}}
},
responses => #{
200 => #{description => <<"Batch operation completed">>},
400 => #{description => <<"Invalid request body">>}
}
}
].
banned_word_schema() ->
#{
type => object,
type => object,
properties => #{
id => #{type => string},
word => #{type => string},
added_by => #{type => string, nullable => true},
added_at => #{type => string, format => <<"date-time">>, nullable => true}
id => #{type => string},
word => #{type => string},
added_by => #{type => string, nullable => true},
added_at => #{type => string, format => <<"date-time">>, nullable => true}
}
}.
%%% Internal functions
%%%===================================================================
%%% HTTP-методы
%%%===================================================================
list_words(Req) ->
case handler_utils:auth_admin(Req) of
{ok, _AdminId, Req1} ->
Pagination = handler_utils:parse_pagination_params(Req1),
%% core_banned_words:list_banned_words() возвращает список, а не {ok, List}
AllWords = core_banned_words:list_banned_words(),
BannedWords = lists:sort(AllWords),
Total = length(BannedWords),
Page = lists:sublist(BannedWords, maps:get(offset, Pagination) + 1, maps:get(limit, Pagination)),
Json = [word_to_map(W) || W <- Page],
ExtraHeaders = pagination_headers(Pagination, Total),
ExtraHeaders = handler_utils:pagination_headers(Pagination, Total),
handler_utils:send_json(Req1, 200, Json, ExtraHeaders);
{error, Code, Msg, Req1} ->
handler_utils:send_error(Req1, Code, Msg)
@@ -122,14 +167,41 @@ add_word(Req) ->
#{<<"word">> := Word} ->
case core_banned_words:add_banned_word(Word, AdminId) of
{ok, _} ->
log_admin_action(AdminId, <<"add">>, <<"banned_word">>, Word, Req2),
handler_utils:send_json(Req2, 201, #{status => <<"added">>});
{error, already_exists} ->
handler_utils:send_error(Req2, 409, <<"Word already exists">>);
{error, _} ->
handler_utils:send_error(Req2, 500, <<"Internal server error">>)
end;
_ ->
handler_utils:send_error(Req2, 400, <<"Missing 'word' field">>)
_ -> handler_utils:send_error(Req2, 400, <<"Missing 'word' field">>)
catch
_:_ -> handler_utils:send_error(Req1, 400, <<"Invalid JSON">>)
end;
{error, Code, Msg, Req1} ->
handler_utils:send_error(Req1, Code, Msg)
end.
update_word(Req) ->
case handler_utils:auth_admin(Req) of
{ok, AdminId, Req1} ->
OldWord = cowboy_req:binding(word, Req1),
{ok, Body, Req2} = cowboy_req:read_body(Req1),
try jsx:decode(Body, [return_maps]) of
#{<<"word">> := NewWord} ->
case core_banned_words:update_banned_word(OldWord, NewWord) of
{ok, _Updated} ->
log_admin_action(AdminId, <<"update">>, <<"banned_word">>,
#{old_word => OldWord, new_word => NewWord}, Req2),
handler_utils:send_json(Req2, 200, #{status => <<"updated">>});
{error, not_found} ->
handler_utils:send_error(Req2, 404, <<"Word not found">>);
{error, already_exists} ->
handler_utils:send_error(Req2, 409, <<"New word already exists">>);
{error, _} ->
handler_utils:send_error(Req2, 500, <<"Internal server error">>)
end;
_ -> handler_utils:send_error(Req2, 400, <<"Missing 'word' field">>)
catch
_:_ -> handler_utils:send_error(Req1, 400, <<"Invalid JSON">>)
end;
@@ -139,10 +211,11 @@ add_word(Req) ->
delete_word(Req) ->
case handler_utils:auth_admin(Req) of
{ok, _AdminId, Req1} ->
{ok, AdminId, Req1} ->
Word = cowboy_req:binding(word, Req1),
case core_banned_words:remove_banned_word(Word) of
{ok, _} ->
log_admin_action(AdminId, <<"delete">>, <<"banned_word">>, Word, Req1),
handler_utils:send_json(Req1, 200, #{status => <<"deleted">>});
{error, not_found} ->
handler_utils:send_error(Req1, 404, <<"Word not found">>);
@@ -153,25 +226,71 @@ delete_word(Req) ->
handler_utils:send_error(Req1, Code, Msg)
end.
%% @private Преобразование записи banned_word в JSON-совместимую карту.
word_to_map(W) ->
#{
id => W#banned_word.id,
word => W#banned_word.word,
added_by => W#banned_word.added_by,
added_at => datetime_to_iso8601(W#banned_word.added_at)
}.
batch_add_words(Req) ->
case handler_utils:auth_admin(Req) of
{ok, AdminId, Req1} ->
{ok, Body, Req2} = cowboy_req:read_body(Req1),
try jsx:decode(Body, [return_maps]) of
#{<<"words">> := Words} when is_list(Words) ->
ValidWords = [W || W <- Words, is_binary(W)],
InvalidCount = length(Words) - length(ValidWords),
Results = lists:map(
fun(Word) ->
case core_banned_words:add_banned_word(Word, AdminId) of
{ok, _} -> #{word => Word, status => <<"added">>};
{error, already_exists} -> #{word => Word, status => <<"skipped">>};
{error, _} -> #{word => Word, status => <<"error">>}
end
end,
ValidWords
),
Added = length([R || R <- Results, maps:get(status, R) =:= <<"added">>]),
Skipped = length([R || R <- Results, maps:get(status, R) =:= <<"skipped">>]),
log_admin_action(AdminId, <<"batch_add">>, <<"banned_words">>,
#{count => length(Words), added => Added, skipped => Skipped}, Req2),
handler_utils:send_json(Req2, 200, #{
results => Results,
added => Added,
skipped => Skipped,
invalid_count => InvalidCount
});
_ -> handler_utils:send_error(Req2, 400, <<"Missing 'words' array">>)
catch
_:_ -> handler_utils:send_error(Req1, 400, <<"Invalid JSON">>)
end;
{error, Code, Msg, Req1} ->
handler_utils:send_error(Req1, Code, Msg)
end.
%%%===================================================================
%%% Вспомогательные функции
%%%===================================================================
log_admin_action(AdminId, Action, EntityType, EntityId, Req) ->
case core_admin:get_by_id(AdminId) of
{ok, Admin} ->
Email = Admin#admin.email,
Role = atom_to_binary(Admin#admin.role, utf8),
Ip = ip_to_binary(cowboy_req:peer(Req)),
core_admin_audit:log(AdminId, Email, Role, Action, EntityType, EntityId, Ip),
ok;
_ -> ok
end.
ip_to_binary({A, B, C, D}) ->
list_to_binary(io_lib:format("~B.~B.~B.~B", [A, B, C, D]));
ip_to_binary(_) ->
<<"unknown">>.
%% @private Форматирование datetime в ISO8601 строку.
datetime_to_iso8601(undefined) -> undefined;
datetime_to_iso8601({{Year, Month, Day}, {Hour, Minute, Second}}) ->
iolist_to_binary(io_lib:format("~4..0B-~2..0B-~2..0BT~2..0B:~2..0B:~2..0BZ",
[Year, Month, Day, Hour, Minute, Second])).
pagination_headers(#{limit := Limit, offset := Offset}, Total) ->
RangeEnd = min(Offset + Limit - 1, Total - 1),
word_to_map(W) ->
#{
<<"content-range">> => iolist_to_binary(io_lib:format("items ~B-~B/~B", [Offset, RangeEnd, Total])),
<<"x-total-count">> => integer_to_binary(Total),
<<"access-control-expose-headers">> => <<"Content-Range, X-Total-Count">>
id => W#banned_word.id,
word => W#banned_word.word,
added_by => W#banned_word.added_by,
added_at => datetime_to_iso8601(W#banned_word.added_at)
}.