add two stored procedures

sql/sp_deck_add_lord.sql

@@ -0,0 +1,95 @@
+DROP PROCEDURE IF EXISTS `sp_deck_add_lord`//
+
+CREATE PROCEDURE `sp_deck_add_lord`(
+	IN playerId INT,
+	IN deckId INT,
+	IN cardId INT
+)
+BEGIN
+
+	DECLARE antifactId INT;
+	DECLARE oldCardId INT;
+	DECLARE cardCount INT DEFAULT 0;
+
+	DECLARE EXIT HANDLER FOR SQLEXCEPTION ROLLBACK;
+	DECLARE EXIT HANDLER FOR SQLWARNING ROLLBACK;
+
+	START TRANSACTION;
+
+	-- fetch LORD card of the deck
+	SELECT oldCardId = `cardId`, antifactId = `antifactId`
+	FROM `player_decks`
+	WHERE `playerId` = playerId
+	AND		`deckId` = deckId
+	AND 	`order` = 0;
+
+	-- check whether the deck has a LORD card not not
+	IF( IFNULL(oldCardId,0) = 0) THEN
+		-- if not, add this card into the deck as a LORD
+		INSERT INTO `player_decks`(`playerId`, `deckId`, `order`, `cardId`)
+		VALUES(playerId, deckId, 0, cardId);
+	ELSE
+		-- otherwise, 
+		-- 1, replace the LORD card
+		UPDATE `player_decks`
+		SET	`cardId` = cardId
+		WHERE `playerId` = playerId
+		AND `deckId` = deckId
+		AND `order` = 0;
+
+		-- 2, move the old one LORD back into player's cards collection
+		-- -- check whether player own this card
+
+		SELECT cardCount = COUNT(1)
+		FROM `player_cards`
+		WHERE `playerId` = playerId
+		AND		`cardId` = oldCardId;
+
+		IF( IFNULL(cardCount,0)>0) THEN
+			-- if true, add the count of this card in player's cards collection
+			UPDATE `player_cards`
+			SET		`count` = IFNULL(`count`,0) + 1
+			WHERE `playerId` = playerId
+			AND		`cardId` = oldCardId;	
+		ELSE
+			-- otherwise, insert this card into player's cards collection
+			INSERT INTO `player_cards` (`playerId`,`cardId`,`count`)
+			VALUES(playerId,oldCardId,0);
+		END IF;
+
+		-- 3, check if this card has antifact
+		IF( IFNULL(antifactId,0) > 0) THEN
+			-- if true, move this antifact card back into player's cards collection
+			SET cardCount = 0;
+
+			SELECT cardCount = COUNT(1)
+			FROM `player_cards`
+			WHERE `playerId` = playerId
+			AND		`cardId` = antifactId;
+
+			IF( IFNULL(cardCount, 0)>0) THEN
+				-- if true, add the count of this card into player's cards collection
+				UPDATE `player_cards`
+				SET		`count` = IFNULL(`count`, 0) + 1
+				WHERE `playerId` = playerId
+				AND		`cardId` = antifactId;	
+			ELSE
+				-- otherwise, insert this card into player's cards collection
+				INSERT INTO `player_cards` (`playerId`, `cardId`, `count`)
+				VALUES(playerId, antifactId, 0);
+			END IF;
+		END IF;
+	END IF;
+
+	-- remove this card from player's cards collection
+	UPDATE `player_cards`
+	SET		`count` =  CASE 
+							WHEN IFNULL(`count`, 0) > 0 THEN `count` - 1
+							ELSE 0 
+						END
+	WHERE `playerId` = playerId
+	AND		`cardId` = cardId;	
+
+	COMMIT;
+
+END//

sql/sp_player_add.sql

@@ -0,0 +1,58 @@
+DROP PROCEDURE IF EXISTS `sp_player_add`//
+
+CREATE PROCEDURE `sp_player_add`(
+	IN name VARCHAR(50),
+	IN type INT(2) UNSIGNED,
+	IN auth VARCHAR(100),
+	IN email VARCHAR(255),
+	IN stamina INT(10) UNSIGNED,
+	OUT playerId INT
+)
+BEGIN 
+
+	DECLARE new_id INT DEFAULT 0;
+	DECLARE cur_order INT DEFAULT 0;
+	DECLARE now_to_sec INT DEFAULT 0;
+
+	DECLARE EXIT HANDLER FOR SQLEXCEPTION ROLLBACK;
+	DECLARE EXIT HANDLER FOR SQLWARNING ROLLBACK;
+
+	START TRANSACTION;
+
+	-- convert current datetime to seconds
+	SET now_to_sec = TIME_TO_SEC(NOW());
+
+	-- 1, add player
+	INSERT INTO `player`(`name`,`type`,`auth`,`email`,`createTime`,`copper`,`gold`,`exp`,`level`,`stamina`,`staminaLastUpdate`,`defaultDeck`)
+	VALUES(name,type,auth,email,now_to_sec,0,0,0,0,stamina,now_to_sec,1);
+
+	-- get last insert id as player's id
+	SET new_id = LAST_INSERT_ID();
+
+	-- 2, add deck to this player's deck collection
+	-- --a. add lord card to player's default deck 
+	-- ------meanwhile it will automatically create a new deck for player
+	INSERT INTO `player_decks`(`playerId`,`deckId`,`order`,`cardId`)
+	VALUES(new_id,1,cur_order,1);
+
+	-- --b. add tow normal cards to player's default deck
+	SET cur_order = cur_order + 1;
+	INSERT INTO `player_decks`(`playerId`,`deckId`,`order`,`cardId`)
+	VALUES(new_id,1,cur_order,2);
+
+	SET cur_order = cur_order + 1;
+	INSERT INTO `player_decks`(`playerId`,`deckId`,`order`,`cardId`)
+	VALUES(new_id,1,cur_order,3);
+
+	-- 3. return new player's id
+	SET playerId = new_id;
+
+	COMMIT;
+
+END//
+
+/* sample call
+CALL `sp_player_add`('karenin',0,'111111','eric.ganym@gmail.com',200,@id);
+SELECT @id AS playerId;
+*/
+