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-module(mongoose_graphql_muc_light_helper). |
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-export([make_room/1, make_ok_user/1, blocking_item_to_map/1, prepare_blocking_items/1, |
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page_size_or_max_limit/2, null_to_default/2, config_to_map/3]). |
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-spec page_size_or_max_limit(null | integer(), integer()) -> integer(). |
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page_size_or_max_limit(null, MaxLimit) -> |
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:-( |
MaxLimit; |
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page_size_or_max_limit(PageSize, MaxLimit) when PageSize > MaxLimit -> |
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:-( |
MaxLimit; |
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page_size_or_max_limit(PageSize, _MaxLimit) -> |
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:-( |
PageSize. |
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-spec make_room(mod_muc_light_api:room()) -> map(). |
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make_room(#{jid := JID, aff_users := Users, options := Options}) -> |
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Participants = lists:map(fun make_ok_user/1, Users), |
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Name = maps:get(<<"roomname">>, Options, null), |
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Subject = maps:get(<<"subject">>, Options, null), |
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#{<<"jid">> => jid:to_binary(JID), <<"name">> => Name, <<"subject">> => Subject, |
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<<"participants">> => Participants, <<"options">> => make_options(Options)}. |
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make_ok_user({JID, Aff}) -> |
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{ok, #{<<"jid">> => JID, <<"affiliation">> => Aff}}. |
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prepare_blocking_items(Items) -> |
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[{What, Action, jid:to_lus(Who)} || #{<<"entity">> := Who, <<"entityType">> := What, |
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<<"action">> := Action} <- Items]. |
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blocking_item_to_map({What, Action, Who}) -> |
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{ok, #{<<"entityType">> => What, <<"action">> => Action, <<"entity">> => Who}}. |
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make_options(Options) -> |
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[{ok, #{<<"key">> => K, <<"value">> => V}} || {K, V} <- lists:sort(maps:to_list(Options))]. |
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null_to_default(null, Default) -> |
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Default; |
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null_to_default(Value, _Default) -> |
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Value. |
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-spec config_to_map(null | binary(), null | binary(), null | [map()]) -> map(). |
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config_to_map(Name, Subject, Options) -> |
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NS = [{K, V} || {K, V} <- [{<<"roomname">>, Name}, {<<"subject">>, Subject}], V =/= null], |
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maps:merge(options_to_map(Options), maps:from_list(NS)). |
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options_to_map(null) -> |
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#{}; |
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options_to_map(Options) -> |
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maps:from_list([{K, V} || #{<<"key">> := K, <<"value">> := V} <- Options]). |