70 lines
2.5 KiB
Erlang
70 lines
2.5 KiB
Erlang
%%--------------------------------------------------------------------
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%% Copyright (c) 2020-2021 EMQ Technologies Co., Ltd. All Rights Reserved.
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%%
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%% Licensed under the Apache License, Version 2.0 (the "License");
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%% you may not use this file except in compliance with the License.
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%% You may obtain a copy of the License at
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%%
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%% http://www.apache.org/licenses/LICENSE-2.0
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%%
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%% Unless required by applicable law or agreed to in writing, software
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%% distributed under the License is distributed on an "AS IS" BASIS,
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%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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%% See the License for the specific language governing permissions and
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%% limitations under the License.
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%%--------------------------------------------------------------------
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-module(emqx_auto_subscribe_api).
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-behaviour(minirest_api).
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-export([api_spec/0]).
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-export([auto_subscribe/2]).
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-define(EXCEED_LIMIT, 'EXCEED_LIMIT').
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-define(BAD_REQUEST, 'BAD_REQUEST').
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api_spec() ->
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{[auto_subscribe_api()], []}.
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schema() ->
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emqx_mgmt_util:schema(
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emqx_mgmt_api_configs:gen_schema(
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emqx:get_raw_config([auto_subscribe, topics])), <<"">>).
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auto_subscribe_api() ->
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Metadata = #{
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get => #{
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description => <<"Auto subscribe list">>,
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responses => #{
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<<"200">> => schema()}},
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put => #{
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description => <<"Update auto subscribe topic list">>,
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'requestBody' => schema(),
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responses => #{
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<<"200">> => schema(),
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<<"400">> => emqx_mgmt_util:error_schema(
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<<"Request body required">>, [?BAD_REQUEST]),
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<<"409">> => emqx_mgmt_util:error_schema(
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<<"Auto Subscribe topics max limit">>, [?EXCEED_LIMIT])}}
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},
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{"/mqtt/auto_subscribe", Metadata, auto_subscribe}.
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%%%==============================================================================================
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%% api apply
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auto_subscribe(get, _) ->
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{200, emqx_auto_subscribe:list()};
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auto_subscribe(put, #{body := #{}}) ->
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{400, #{code => ?BAD_REQUEST, message => <<"Request body required">>}};
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auto_subscribe(put, #{body := Params}) ->
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case emqx_auto_subscribe:update(Params) of
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{error, quota_exceeded} ->
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Message = list_to_binary(io_lib:format("Max auto subscribe topic count is ~p",
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[emqx_auto_subscribe:max_limit()])),
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{409, #{code => ?EXCEED_LIMIT, message => Message}};
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ok ->
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{200, emqx_auto_subscribe:list()}
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end.
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