Перенести все админские эндпоинты на порт 8445 и добавить отдельную авторизацию для админов. Часть 1

src/handlers/admin/admin_handler_subscriptions.erl

@@ -0,0 +1,160 @@
+-module(admin_handler_subscriptions).
+-behaviour(cowboy_handler).
+-export([init/2]).
+
+-include("records.hrl").
+
+init(Req, _Opts) ->
+  case cowboy_req:binding(id, Req) of
+    undefined ->
+      handle_collection(Req);
+    _SubscriptionId ->
+      handle_item(Req)
+  end.
+
+handle_collection(Req) ->
+  case cowboy_req:method(Req) of
+    <<"GET">>  -> list_subscriptions(Req);
+    <<"POST">> -> create_subscription(Req);
+    _          -> send_error(Req, 405, <<"Method not allowed">>)
+  end.
+
+handle_item(Req) ->
+  SubscriptionId = cowboy_req:binding(id, Req),
+  case cowboy_req:method(Req) of
+    <<"GET">>    -> get_subscription(SubscriptionId, Req);
+    <<"PUT">>    -> update_subscription(SubscriptionId, Req);
+    <<"DELETE">> -> delete_subscription(SubscriptionId, Req);
+    _            -> send_error(Req, 405, <<"Method not allowed">>)
+  end.
+
+list_subscriptions(Req) ->
+  case auth_admin(Req) of
+    {ok, _AdminId, Req1} ->
+      Subscriptions = core_subscription:list_subscriptions(),
+      send_json(Req1, 200, [subscription_to_json(S) || S <- Subscriptions]);
+    {error, Code, Message, Req1} ->
+      send_error(Req1, Code, Message)
+  end.
+
+create_subscription(Req) ->
+  case auth_admin(Req) of
+    {ok, AdminId, Req1} ->
+      {ok, Body, Req2} = cowboy_req:read_body(Req1),
+      try jsx:decode(Body, [return_maps]) of
+        #{<<"user_id">> := _UserId} = Data ->
+          SubscriptionData = maps:merge(#{
+            <<"status">> => <<"active">>,
+            <<"trial_used">> => false
+          }, Data),
+          case core_subscription:create_subscription(SubscriptionData) of
+            {ok, Subscription} ->
+              send_json(Req2, 201, subscription_to_json(Subscription));
+            {error, Reason} ->
+              send_error(Req2, 500, Reason)
+          end;
+        _ ->
+          send_error(Req2, 400, <<"Missing 'user_id' field">>)
+      catch
+        _:_ -> send_error(Req2, 400, <<"Invalid JSON">>)
+      end;
+    {error, Code, Message, Req1} ->
+      send_error(Req1, Code, Message)
+  end.
+
+get_subscription(SubscriptionId, Req) ->
+  case auth_admin(Req) of
+    {ok, _AdminId, Req1} ->
+      case core_subscription:get_by_id(SubscriptionId) of
+        {ok, Subscription} ->
+          send_json(Req1, 200, subscription_to_json(Subscription));
+        {error, not_found} ->
+          send_error(Req1, 404, <<"Subscription not found">>)
+      end;
+    {error, Code, Message, Req1} ->
+      send_error(Req1, Code, Message)
+  end.
+
+update_subscription(SubscriptionId, Req) ->
+  case auth_admin(Req) of
+    {ok, _AdminId, Req1} ->
+      {ok, Body, Req2} = cowboy_req:read_body(Req1),
+      try jsx:decode(Body, [return_maps]) of
+        UpdatesMap when is_map(UpdatesMap) ->
+          case core_subscription:update_subscription(SubscriptionId, UpdatesMap) of
+            {ok, Subscription} ->
+              send_json(Req2, 200, subscription_to_json(Subscription));
+            {error, not_found} ->
+              send_error(Req2, 404, <<"Subscription not found">>);
+            {error, Reason} ->
+              send_error(Req2, 500, Reason)
+          end;
+        _ ->
+          send_error(Req2, 400, <<"Invalid JSON">>)
+      catch
+        _:_ -> send_error(Req2, 400, <<"Invalid JSON">>)
+      end;
+    {error, Code, Message, Req1} ->
+      send_error(Req1, Code, Message)
+  end.
+
+delete_subscription(SubscriptionId, Req) ->
+  case auth_admin(Req) of
+    {ok, _AdminId, Req1} ->
+      case core_subscription:delete_subscription(SubscriptionId) of
+        {ok, deleted} ->
+          send_json(Req1, 200, #{status => <<"deleted">>});
+        {error, not_found} ->
+          send_error(Req1, 404, <<"Subscription not found">>)
+      end;
+    {error, Code, Message, Req1} ->
+      send_error(Req1, Code, Message)
+  end.
+
+auth_admin(Req) ->
+  case handler_auth:authenticate(Req) of
+    {ok, AdminId, Req1} ->
+      case is_admin(AdminId) of
+        true  -> {ok, AdminId, Req1};
+        false -> {error, 403, <<"Admin access required">>, Req1}
+      end;
+    {error, Code, Message, Req1} ->
+      {error, Code, Message, Req1}
+  end.
+
+is_admin(UserId) ->
+  case core_user:get_by_id(UserId) of
+    {ok, User} ->
+      Role = User#user.role,
+      Role =:= admin orelse Role =:= superadmin orelse
+        Role =:= moderator orelse Role =:= support;
+    _ -> false
+  end.
+
+subscription_to_json(S) ->
+  #{
+    id          => S#subscription.id,
+    user_id     => S#subscription.user_id,
+    plan        => atom_to_binary(S#subscription.plan, utf8),
+    status      => atom_to_binary(S#subscription.status, utf8),
+    trial_used  => S#subscription.trial_used,
+    started_at  => datetime_to_iso8601(S#subscription.started_at),
+    expires_at  => datetime_to_iso8601(S#subscription.expires_at),
+    created_at  => datetime_to_iso8601(S#subscription.created_at),
+    updated_at  => datetime_to_iso8601(S#subscription.updated_at)
+  }.
+
+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]));
+datetime_to_iso8601(undefined) -> undefined.
+
+send_json(Req, Status, Data) ->
+  Body = jsx:encode(Data),
+  cowboy_req:reply(Status, #{<<"content-type">> => <<"application/json">>}, Body, Req),
+  {ok, Body, []}.
+
+send_error(Req, Status, Message) ->
+  Body = jsx:encode(#{error => Message}),
+  cowboy_req:reply(Status, #{<<"content-type">> => <<"application/json">>}, Body, Req),
+  {ok, Body, []}.