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<erl>
-record(input, {battlemap_id}).

parse_input (Req) ->
   JSONReqMap = jiffy:decode(Req, [return_maps]),
   #input {
      battlemap_id = maps:get(<<"battlemap_id">>, JSONReqMap)
   }.

fetch_battlemap (Input) ->
   {Battlemap, CharList} =
      timed_cache:fetch(
         battlemap_db,
         Input#input.battlemap_id
      ),

handle (Req) ->
   Input = parse_input(Req),
   io:format("~nLoading Battlemap ~p...~n", [Input#input.battlemap_id]),
%%   ok = users_manager:ping(UserToken),
   jiffy:encode(
      [
         [
            <<"set_map">>,
            battlemap:encode_in_json(Battlemap)
         ]
         |
         lists:map(
            fun (Char) ->
               [
                  <<"add_char">>,
                  character:encode_in_json(Char)
               ]
            end,
            CharList
         )
      ]
   ).

out(A) ->
   {
      content,
      "application/json; charset=UTF-8",
      handle(A#arg.clidata)
   }.
</erl>