修复(#79): 合并internal并适配数量配价

Co-authored-by: multica-agent <github@multica.ai>

initialize/migrate/database/02152_withdrawal_method.up.sql

@@ -1,4 +1,10 @@
-ALTER TABLE `withdrawals`
-  ADD COLUMN `method`      TINYINT(1)   NOT NULL DEFAULT 0 COMMENT '收款方式 0:其他 1:支付宝 2:微信 3:银行卡' AFTER `content`,
-  ADD COLUMN `account`     VARCHAR(255) NOT NULL DEFAULT '' COMMENT '收款账号' AFTER `method`,
-  ADD COLUMN `qr_code_url` VARCHAR(500) NOT NULL DEFAULT '' COMMENT '收款码图片URL' AFTER `account`;
+SELECT COUNT(*) INTO @col_exists FROM INFORMATION_SCHEMA.COLUMNS
+WHERE TABLE_SCHEMA = DATABASE() AND TABLE_NAME = 'withdrawals' AND COLUMN_NAME = 'method';
+
+SET @ddl = IF(@col_exists = 0,
+  'ALTER TABLE `withdrawals` ADD COLUMN `method` TINYINT(1) NOT NULL DEFAULT 0 AFTER `content`, ADD COLUMN `account` VARCHAR(255) NOT NULL DEFAULT '''' AFTER `method`, ADD COLUMN `qr_code_url` VARCHAR(500) NOT NULL DEFAULT '''' AFTER `account`',
+  'SELECT 1');
+
+PREPARE stmt FROM @ddl;
+EXECUTE stmt;
+DEALLOCATE PREPARE stmt;

initialize/migrate/database/02154_promo_admin_api.down.sql

@@ -1,3 +0,0 @@
-DROP TABLE IF EXISTS `promo_usage`;
-DROP TABLE IF EXISTS `subscribe_promo`;
-DROP TABLE IF EXISTS `promo_rule`;

initialize/migrate/database/02154_promo_system.down.sql

@@ -0,0 +1,39 @@
+SET @column_exists = (
+  SELECT COUNT(*)
+  FROM INFORMATION_SCHEMA.COLUMNS
+  WHERE TABLE_SCHEMA = DATABASE()
+    AND TABLE_NAME = 'order'
+    AND COLUMN_NAME = 'promo_discount'
+);
+
+SET @sql = IF(
+  @column_exists = 1,
+  'ALTER TABLE `order` DROP COLUMN `promo_discount`',
+  'SELECT ''Column promo_discount does not exist in order table'''
+);
+
+PREPARE stmt FROM @sql;
+EXECUTE stmt;
+DEALLOCATE PREPARE stmt;
+
+SET @column_exists = (
+  SELECT COUNT(*)
+  FROM INFORMATION_SCHEMA.COLUMNS
+  WHERE TABLE_SCHEMA = DATABASE()
+    AND TABLE_NAME = 'order'
+    AND COLUMN_NAME = 'promo_rule_id'
+);
+
+SET @sql = IF(
+  @column_exists = 1,
+  'ALTER TABLE `order` DROP COLUMN `promo_rule_id`',
+  'SELECT ''Column promo_rule_id does not exist in order table'''
+);
+
+PREPARE stmt FROM @sql;
+EXECUTE stmt;
+DEALLOCATE PREPARE stmt;
+
+DROP TABLE IF EXISTS `promo_usage`;
+DROP TABLE IF EXISTS `subscribe_promo`;
+DROP TABLE IF EXISTS `promo_rule`;

initialize/migrate/database/02154_promo_system.up.sql

@@ -18,21 +18,21 @@ CREATE TABLE IF NOT EXISTS `promo_rule` (
 CREATE TABLE IF NOT EXISTS `subscribe_promo` (
   `id` BIGINT UNSIGNED NOT NULL AUTO_INCREMENT,
   `subscribe_id` BIGINT UNSIGNED NOT NULL COMMENT '套餐规格 ID',
-  `quantity` INT NOT NULL DEFAULT 0 COMMENT '购买数量',
+  `quantity` BIGINT NOT NULL DEFAULT 1 COMMENT '购买数量',
   `promo_rule_id` BIGINT UNSIGNED NOT NULL COMMENT '促销规则 ID',
-  `promo_price` BIGINT NOT NULL DEFAULT 0 COMMENT '优惠价（分）',
+  `promo_price` BIGINT NOT NULL DEFAULT 0 COMMENT '该规格在此规则下的优惠价（分）',
   `created_at` DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP,
   `updated_at` DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
   PRIMARY KEY (`id`),
-  UNIQUE KEY `idx_subscribe_qty_rule` (`subscribe_id`, `quantity`, `promo_rule_id`),
+  UNIQUE KEY `uk_subscribe_qty_rule` (`subscribe_id`, `quantity`, `promo_rule_id`),
   KEY `idx_promo_rule_id` (`promo_rule_id`)
 ) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COMMENT='规格促销价表';
 
 CREATE TABLE IF NOT EXISTS `promo_usage` (
   `id` BIGINT UNSIGNED NOT NULL AUTO_INCREMENT,
   `user_id` BIGINT UNSIGNED NOT NULL COMMENT '用户 ID',
-  `promo_rule_id` BIGINT UNSIGNED NOT NULL COMMENT '促销规则 ID',
-  `subscribe_id` BIGINT UNSIGNED NOT NULL COMMENT '套餐规格 ID',
+  `promo_rule_id` BIGINT UNSIGNED NOT NULL COMMENT '使用的规则 ID',
+  `subscribe_id` BIGINT UNSIGNED NOT NULL COMMENT '购买的规格 ID',
   `order_no` VARCHAR(255) NOT NULL DEFAULT '' COMMENT '关联订单号',
   `promo_price` BIGINT NOT NULL DEFAULT 0 COMMENT '使用时的促销单价（分）',
   `created_at` DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP,
@@ -40,3 +40,39 @@ CREATE TABLE IF NOT EXISTS `promo_usage` (
   KEY `idx_user_rule` (`user_id`, `promo_rule_id`),
   KEY `idx_order_no` (`order_no`)
 ) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COMMENT='促销使用记录表';
+
+SET @column_exists = (
+  SELECT COUNT(*)
+  FROM INFORMATION_SCHEMA.COLUMNS
+  WHERE TABLE_SCHEMA = DATABASE()
+    AND TABLE_NAME = 'order'
+    AND COLUMN_NAME = 'promo_rule_id'
+);
+
+SET @sql = IF(
+  @column_exists = 0,
+  'ALTER TABLE `order` ADD COLUMN `promo_rule_id` BIGINT UNSIGNED NOT NULL DEFAULT 0 COMMENT ''促销规则ID, 0=未使用促销'' AFTER `discount`',
+  'SELECT ''Column promo_rule_id already exists in order table'''
+);
+
+PREPARE stmt FROM @sql;
+EXECUTE stmt;
+DEALLOCATE PREPARE stmt;
+
+SET @column_exists = (
+  SELECT COUNT(*)
+  FROM INFORMATION_SCHEMA.COLUMNS
+  WHERE TABLE_SCHEMA = DATABASE()
+    AND TABLE_NAME = 'order'
+    AND COLUMN_NAME = 'promo_discount'
+);
+
+SET @sql = IF(
+  @column_exists = 0,
+  'ALTER TABLE `order` ADD COLUMN `promo_discount` BIGINT NOT NULL DEFAULT 0 COMMENT ''促销优惠金额(分)'' AFTER `promo_rule_id`',
+  'SELECT ''Column promo_discount already exists in order table'''
+);
+
+PREPARE stmt FROM @sql;
+EXECUTE stmt;
+DEALLOCATE PREPARE stmt;