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-module(plr_load).
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%% TYPES %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-include("../../../include/yaws_api.hrl").
-record
(
input,
{
player_id :: btl_player:id(),
session_token :: binary(),
target_id :: binary()
}
).
-record
(
query_state,
{
player :: shr_player:type()
}
).
-type input() :: #input{}.
-type query_state() :: #query_state{}.
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%% EXPORTS %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-export([out/1]).
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%% LOCAL FUNCTIONS %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-spec parse_input (binary()) -> input().
parse_input (Req) ->
JSONReqMap = jiffy:decode(Req, [return_maps]),
PlayerID = maps:get(<<"pid">>, JSONReqMap),
SessionToken = maps:get(<<"stk">>, JSONReqMap),
TargetID = maps:get(<<"id">>, JSONReqMap),
#input
{
player_id = PlayerID,
session_token = SessionToken,
target_id = TargetID
}.
-spec authenticate_user (input()) -> ('ok' | 'error').
authenticate_user (Input) ->
PlayerID = Input#input.player_id,
SessionToken = Input#input.session_token,
Player = shr_timed_cache:fetch(player_db, any, PlayerID),
case shr_security:credentials_match(SessionToken, Player) of
true -> ok;
_ -> error
end.
-spec fetch_data (input()) -> query_state().
fetch_data (Input) ->
TargetID = Input#input.target_id,
Player = shr_timed_cache:fetch(player_db, any, TargetID),
#query_state
{
player = Player
}.
-spec generate_reply(query_state(), input()) -> binary().
generate_reply (QueryState, _Input) ->
Player = QueryState#query_state.player,
Output = jiffy:encode([plr_set_player:generate(Player)]),
Output.
-spec handle (binary()) -> binary().
handle (Req) ->
Input = parse_input(Req),
case authenticate_user(Input) of
ok ->
shr_security:lock_queries(Input#input.player_id),
QueryState = fetch_data(Input),
shr_security:unlock_queries(Input#input.player_id),
generate_reply(QueryState, Input);
error -> jiffy:encode([shr_disconnected:generate()])
end.
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%% EXPORTED FUNCTIONS %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
out(A) ->
{
content,
"application/json; charset=UTF-8",
handle(A#arg.clidata)
}.
|
