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-module(mongoose_client_api_rooms_users). |
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-behaviour(mongoose_client_api). |
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-export([routes/0]). |
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-behaviour(cowboy_rest). |
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-export([trails/0, |
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init/2, |
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is_authorized/2, |
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content_types_accepted/2, |
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allowed_methods/2, |
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from_json/2, |
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delete_resource/2]). |
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-ignore_xref([from_json/2, trails/0]). |
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-import(mongoose_client_api, [parse_body/1, try_handle_request/3, throw_error/2]). |
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-import(mongoose_client_api_rooms, [get_room_jid/3, get_user_aff/2]). |
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-type req() :: cowboy_req:req(). |
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-type state() :: map(). |
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-spec routes() -> mongoose_http_handler:routes(). |
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routes() -> |
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[{"/rooms/:id/users/[:user]", ?MODULE, #{}}]. |
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trails() -> |
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mongoose_client_api_rooms_users_doc:trails(). |
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-spec init(req(), state()) -> {cowboy_rest, req(), state()}. |
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init(Req, Opts) -> |
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mongoose_client_api:init(Req, Opts). |
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-spec is_authorized(req(), state()) -> {true | {false, iodata()}, req(), state()}. |
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is_authorized(Req, State) -> |
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mongoose_client_api:is_authorized(Req, State). |
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content_types_accepted(Req, State) -> |
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mongoose_client_api_rooms:content_types_accepted(Req, State). |
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allowed_methods(Req, State) -> |
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{[<<"OPTIONS">>, <<"POST">>, <<"DELETE">>], Req, State}. |
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%% @doc Called for a method of type "POST" |
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-spec from_json(req(), state()) -> {true | stop, req(), state()}. |
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from_json(Req, State) -> |
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try_handle_request(Req, State, fun handle_post/2). |
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%% @doc Called for a method of type "DELETE" |
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-spec delete_resource(req(), state()) -> {true | stop, req(), state()}. |
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delete_resource(Req, State) -> |
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try_handle_request(Req, State, fun handle_delete/2). |
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%% Internal functions |
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handle_post(Req, State = #{jid := UserJid}) -> |
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Bindings = cowboy_req:bindings(Req), |
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RoomJid = get_room_jid(Bindings, State, required), |
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Args = parse_body(Req), |
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TargetJid = get_user_jid(Args), |
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change_affiliation(RoomJid, UserJid, TargetJid, add), |
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{true, Req, State}. |
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handle_delete(Req, State = #{jid := UserJid}) -> |
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Bindings = cowboy_req:bindings(Req), |
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RoomJid = get_room_jid(Bindings, State, required), |
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TargetJid = get_user_jid(Bindings), |
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change_affiliation(RoomJid, UserJid, TargetJid, remove), |
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{true, Req, State}. |
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change_affiliation(RoomJid, UserJid, TargetJid, Op) -> |
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case mod_muc_light_api:change_affiliation(RoomJid, UserJid, TargetJid, Op) of |
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{ok, _Msg} -> |
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ok; |
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{room_not_found, Msg} -> |
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throw_error(not_found, Msg); |
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{not_allowed, Msg} -> |
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throw_error(denied, Msg); |
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{not_room_member, Msg} -> |
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throw_error(denied, Msg) |
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end. |
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get_user_jid(#{user := JidBin}) -> |
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case jid:from_binary(JidBin) of |
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error -> throw_error(bad_request, <<"Invalid user JID: ", JidBin/binary>>); |
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Jid -> Jid |
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end; |
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get_user_jid(#{}) -> |
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throw_error(bad_request, <<"Missing JID">>). |