1 files changed, 250 insertions, 0 deletions
diff --git a/src/battlemap/query/bm_character_turn.erl b/src/battlemap/query/bm_character_turn.erl
new file mode 100644
index 0000000..26b8dce
--- /dev/null
+++ b/src/battlemap/query/bm_character_turn.erl
@@ -0,0 +1,250 @@
+-module(bm_character_turn).
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%% TYPES %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+-include("../../../include/yaws_api.hrl").
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%% EXPORTS %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+-export([out/1]).
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%% LOCAL FUNCTIONS %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+
+%-spec send_to_database (list(database_diff:type()), character_turn_request:type()) -> 'ok'.
+
+
+%%%% REQUEST DECODING %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+-spec decode_request (binary()) -> bm_character_turn_request:type().
+decode_request (BinaryRequest) ->
+   JSONMap = jiffy:decode(BinaryRequest, [return_maps]),
+
+   bm_character_turn_request:decode(JSONMap).
+
+%%%% USER AUTHENTICATION %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+-spec authenticate_user (bm_character_turn_request:type()) -> 'ok'.
+authenticate_user (Request) ->
+   PlayerID = bm_character_turn_request:get_player_id(Request),
+   SessionToken = bm_character_turn_request:get_session_token(Request),
+
+   bm_security:assert_identity(PlayerID, SessionToken),
+   bm_security:lock_queries(PlayerID),
+
+   ok.
+
+%%%% MAIN LOGIC %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+-spec fetch_data
+   (
+      bm_character_turn_request:type()
+   )
+   -> bm_character_turn_data:type().
+fetch_data (Request) ->
+   PlayerID = bm_character_turn_request:get_player_id(Request),
+   BattleID = bm_character_turn_request:get_battle_id(Request),
+   CharacterIX = bm_character_turn_request:get_character_ix(Request),
+   Battle = sh_timed_cache:fetch(battle_db, PlayerID, BattleID),
+
+   bm_character_turn_data:new(Battle, CharacterIX).
+
+%%%% ASSERTS %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+-spec assert_user_is_current_player
+   (
+      bm_character_turn_data:type(),
+      bm_character_turn_request:type()
+   ) -> 'ok'.
+assert_user_is_current_player (Data, Request) ->
+   PlayerID = bm_character_turn_request:get_player_id(Request),
+   Battle = bm_character_turn_data:get_battle(Data),
+   CurrentPlayerTurn = bm_battle:get_current_player_turn(Battle),
+   CurrentPlayerIX = bm_player_turn:get_player_ix(CurrentPlayerTurn),
+   CurrentPlayer = bm_battle:get_player(CurrentPlayerIX, Battle),
+
+   true = (PlayerID == bm_player:get_id(CurrentPlayer)),
+
+   ok.
+
+-spec assert_user_owns_played_character
+   (
+      bm_character_turn_data:type(),
+      bm_character_turn_request:type()
+   ) -> 'ok'.
+assert_user_owns_played_character (Data, Request) ->
+   PlayerID = bm_character_turn_request:get_player_id(Request),
+   Character = bm_character_turn_data:get_character(Data),
+   CharacterOwnerID = bm_character:get_owner_id(Character),
+
+   true = (PlayerID == CharacterOwnerID),
+
+   ok.
+
+-spec assert_character_can_be_played (bm_character_turn_data:type()) -> 'ok'.
+assert_character_can_be_played (Data) ->
+   Character = bm_character_turn_data:get_character(Data),
+
+   true = bm_character:get_is_active(Character),
+
+   ok.
+
+-spec assert_user_permissions
+   (
+      bm_character_turn_data:type(),
+      bm_character_turn_request:type()
+   ) -> 'ok'.
+assert_user_permissions (Data, Request) ->
+   assert_user_is_current_player(Data, Request),
+   assert_user_owns_played_character(Data, Request),
+   assert_character_can_be_played(Data),
+
+   ok.
+
+%%%% QUERY LOGIC HANDLING %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+-spec finalize_character
+   (
+      bm_character_turn_update:type()
+   )
+   -> bm_character_turn_update:type().
+finalize_character (Update) ->
+   Data = bm_character_turn_update:get_data(Update),
+   Character = bm_character_turn_data:get_character(Data),
+
+   DisabledCharacter = bm_character:set_is_active(false, Character),
+   UpdatedData = bm_character_turn_data:set_character(DisabledCharacter, Data),
+   FinalizedData = bm_character_turn_data:clean_battle(UpdatedData),
+
+   bm_character_turn_update:set_data(FinalizedData, Update).
+
+-spec handle_actions
+   (
+      bm_character_turn_data:type(),
+      bm_character_turn_request:type()
+   )
+   -> bm_character_turn_update:type().
+handle_actions (Data, Request) ->
+   Actions = bm_character_turn_request:get_actions(Request),
+
+   EmptyUpdate = bm_character_turn_update:new(Data),
+   PostActionsUpdate =
+      lists:foldl(fun bm_turn_actions:handle/2, EmptyUpdate, Actions),
+
+   finalize_character(PostActionsUpdate).
+
+-spec update_timeline
+   (
+      bm_character_turn_update:type()
+   )
+   -> bm_character_turn_update:type().
+update_timeline (Update) ->
+   NewTimelineElements = bm_character_turn_update:get_timeline(Update),
+   Data = bm_character_turn_update:get_data(Update),
+   Battle = bm_character_turn_data:get_battle(Data),
+   PlayerTurn = bm_battle:get_current_player_turn(Battle),
+   PlayerIX = bm_player_turn:get_player_ix(PlayerTurn),
+   Player = bm_battle:get_player(PlayerIX, Battle),
+
+   UpdatedPlayer = bm_player:add_to_timeline(NewTimelineElements, Player),
+   UpdatedBattle = bm_battle:set_player(PlayerIX, UpdatedPlayer, Battle),
+   UpdatedData = bm_character_turn_data:set_battle(UpdatedBattle, Data),
+
+   bm_character_turn_update:set_data(UpdatedData, Update).
+
+-spec update_data
+   (
+      bm_character_turn_data:type(),
+      bm_character_turn_request:type()
+   )
+   -> bm_character_turn_update:type().
+update_data (Data, Request) ->
+   PostActionsUpdate = handle_actions(Data, Request),
+   PostCharacterTurnUpdate = update_timeline(PostActionsUpdate),
+
+   bm_next_turn:update_if_needed(PostCharacterTurnUpdate).
+
+%%%% DATABASE UPDATES %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+-spec send_to_database
+   (
+      bm_character_turn_update:type(),
+      bm_character_turn_request:type()
+   )
+   -> 'ok'.
+send_to_database (Update, Request) ->
+   PlayerID = bm_character_turn_request:get_player_id(Request),
+   BattleID = bm_character_turn_request:get_battle_id(Request),
+   Ops = bm_character_turn_update:get_db(Update),
+   Query = sh_db_query:new(battle_db, BattleID, {user, PlayerID}, Ops),
+
+   % TODO: send queries to an actual DB...
+
+   sh_database:commit(Query),
+
+   ok.
+
+-spec send_to_cache
+   (
+      bm_character_turn_update:type(),
+      bm_character_turn_request:type()
+   )
+   -> 'ok'.
+send_to_cache (Update, Request) ->
+   PlayerID = bm_character_turn_request:get_player_id(Request),
+   BattleID = bm_character_turn_request:get_battle_id(Request),
+   Data = bm_character_turn_update:get_data(Update),
+   Battle = bm_character_turn_data:get_battle(Data),
+
+   sh_timed_cache:update(battle_db, PlayerID, BattleID, Battle),
+
+   ok.
+
+-spec commit_update
+   (
+      bm_character_turn_update:type(),
+      bm_character_turn_request:type()
+   )
+   -> 'ok'.
+commit_update (Update, Request) ->
+   send_to_database(Update, Request),
+   send_to_cache(Update, Request),
+
+   ok.
+
+%%%% USER DISCONNECTION %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+-spec disconnect_user (bm_character_turn_request:type()) -> 'ok'.
+disconnect_user (Request) ->
+   PlayerID = bm_character_turn_request:get_player_id(Request),
+
+   bm_security:unlock_queries(PlayerID),
+
+   ok.
+
+%%%% REPLY GENERATION %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+-spec generate_reply (bm_character_turn_update:type()) -> binary().
+generate_reply (Update) ->
+   NewTimelineItems = bm_character_turn_update:get_timeline(Update),
+
+   TurnResultReply = bm_turn_results:generate(NewTimelineItems),
+
+   jiffy:encode([TurnResultReply]).
+
+%%%% MAIN LOGIC %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+-spec handle (binary()) -> binary().
+handle (EncodedRequest) ->
+   Request = decode_request(EncodedRequest),
+   authenticate_user(Request),
+   Data = fetch_data(Request),
+   assert_user_permissions(Data, Request),
+   Update = update_data(Data, Request),
+   commit_update(Update, Request),
+   disconnect_user(Request),
+   generate_reply(Update).
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%% EXPORTED FUNCTIONS %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+out(A) ->
+   {
+      content,
+      "application/json; charset=UTF-8",
+      handle(A#arg.clidata)
+   }.