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-module(btl_join).
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%% TYPES %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-include("../../../include/yaws_api.hrl").
-type mode() :: (attack | defend | {invalid, binary()}).
-record
(
input,
{
player_id :: shr_player:id(),
session_token :: binary(),
mode :: mode(),
summary_ix :: non_neg_integer(),
size :: non_neg_integer(),
roster_ixs :: list(non_neg_integer()),
map_id :: ataxia_id:type()
}
).
-type input() :: #input{}.
-type defend_query_state() :: 'ok'.
-type attack_query_state() :: 'ok'.
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%% 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),
SummaryIX = maps:get(<<"six">>, JSONReqMap),
Mode =
case maps:get(<<"m">>, JSONReqMap) of
<<"a">> -> attack;
<<"d">> -> defend;
V -> {invalid, V}
end,
true = ((Mode == attack) or (Mode == defend)),
Size =
case maps:get(<<"s">>, JSONReqMap) of
<<"s">> -> 8;
<<"m">> -> 16;
<<"l">> -> 24;
_ -> 0
end,
Roster = maps:get(<<"r">>, JSONReqMap),
MapID = maps:get(<<"map_id">>, JSONReqMap),
#input
{
player_id = PlayerID,
session_token = SessionToken,
mode = Mode,
size = Size,
summary_ix = SummaryIX,
roster_ixs = Roster,
map_id = MapID
}.
-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 handle_attack (input()) -> 'ok'.
handle_attack (Input) ->
PlayerID = Input#input.player_id,
SelectedCharacterIXs = Input#input.roster_ixs,
SummaryIX = Input#input.summary_ix,
PlayerDBUser = ataxia_security:user_from_id(PlayerID),
PartySize = length(SelectedCharacterIXs),
% TODO: be less brutal if none is found.
{ok, AvailablePendingBattle, AvailablePendingBattleID} =
ataxia_client:update_and_fetch_any
(
pending_battle_db,
PlayerDBUser,
ataxic:update_lock
(
ataxic:apply_function
(
ataxia_lock,
locked,
[
ataxic:constant(PlayerDBUser),
ataxic:constant(60)
]
)
),
ataxic:land
(
[
ataxic:ge
(
ataxic:field
(
ataxia_entry:get_value_field(),
ataxic:field
(
btl_pending_battle:get_free_slots_field(),
ataxic:current_value()
)
),
ataxic:constant(PartySize)
),
ataxic:neg
(
ataxic:field
(
btl_pending_battle:get_player_ids_field(),
ataxic:apply_function
(
lists,
member,
[
ataxic:constant(PlayerID),
ataxic:current_value()
]
)
)
)
]
)
),
bnt_join_battle:attempt
(
PlayerID,
SummaryIX,
SelectedCharacterIXs,
AvailablePendingBattleID,
AvailablePendingBattle
),
ok.
-spec handle_defend (input()) -> 'ok'.
handle_defend (Input) ->
PlayerID = Input#input.player_id,
SelectedCharacterIXs = Input#input.roster_ixs,
SummaryIX = Input#input.summary_ix,
MapID = Input#input.map_id,
bnt_join_battle:generate(PlayerID, SummaryIX, MapID, SelectedCharacterIXs),
ok.
-spec fetch_attack_data (input()) -> attack_query_state().
fetch_attack_data (_Input) -> ok. % TODO
-spec fetch_defend_data (input()) -> defend_query_state().
fetch_defend_data (_Input) -> ok. % TODO
-spec authorize_attack (attack_query_state(), input()) -> 'ok'.
authorize_attack (_QueryState, _Input) -> ok. % TODO
-spec authorize_defend (defend_query_state(), input()) -> 'ok'.
authorize_defend (_QueryState, _Input) -> ok. % TODO
-spec handle (binary()) -> binary().
handle (Req) ->
Input = parse_input(Req),
case authenticate_user(Input) of
ok ->
case Input#input.mode of
attack ->
QueryState = fetch_attack_data(Input),
ok = authorize_attack(QueryState, Input),
handle_attack(Input);
defend ->
QueryState = fetch_defend_data(Input),
ok = authorize_defend(QueryState, Input),
handle_defend(Input)
end,
jiffy:encode([shr_okay:generate()]);
error -> jiffy:encode([shr_disconnected:generate()])
end.
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%% EXPORTED FUNCTIONS %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
out(A) ->
{
content,
"application/json; charset=UTF-8",
handle(A#arg.clidata)
}.
|
