571 lines
18 KiB
PL/PgSQL
571 lines
18 KiB
PL/PgSQL
-- =====================================================
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-- 推销模式功能 - 数据库脚本（第一阶段）
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-- 包含：用户余额系统、分享免单系统、会员等级系统
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-- 创建日期: 2026-03-06
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-- =====================================================
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-- =====================================================
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-- 一、用户余额系统
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-- =====================================================
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-- 1. 用户余额表
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CREATE TABLE IF NOT EXISTS ml_user_balance (
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id UUID DEFAULT gen_random_uuid() PRIMARY KEY,
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user_id UUID NOT NULL REFERENCES auth.users(id),
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balance DECIMAL(10,2) DEFAULT 0,
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frozen_balance DECIMAL(10,2) DEFAULT 0,
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total_earned DECIMAL(10,2) DEFAULT 0,
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total_withdrawn DECIMAL(10,2) DEFAULT 0,
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updated_at TIMESTAMPTZ DEFAULT NOW(),
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UNIQUE(user_id)
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);
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CREATE INDEX IF NOT EXISTS idx_user_balance_user_id ON ml_user_balance(user_id);
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COMMENT ON TABLE ml_user_balance IS '用户余额表';
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COMMENT ON COLUMN ml_user_balance.balance IS '可用余额';
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COMMENT ON COLUMN ml_user_balance.frozen_balance IS '冻结余额';
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COMMENT ON COLUMN ml_user_balance.total_earned IS '累计获得';
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COMMENT ON COLUMN ml_user_balance.total_withdrawn IS '累计提现';
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-- 2. 余额变动记录表
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CREATE TABLE IF NOT EXISTS ml_balance_records (
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id UUID DEFAULT gen_random_uuid() PRIMARY KEY,
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user_id UUID NOT NULL REFERENCES auth.users(id),
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type VARCHAR(50) NOT NULL,
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amount DECIMAL(10,2) NOT NULL,
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balance_before DECIMAL(10,2) NOT NULL DEFAULT 0,
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balance_after DECIMAL(10,2) NOT NULL DEFAULT 0,
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related_id UUID,
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description VARCHAR(200),
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operator_id UUID REFERENCES auth.users(id),
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created_at TIMESTAMPTZ DEFAULT NOW()
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);
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CREATE INDEX IF NOT EXISTS idx_balance_records_user_id ON ml_balance_records(user_id);
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CREATE INDEX IF NOT EXISTS idx_balance_records_type ON ml_balance_records(type);
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CREATE INDEX IF NOT EXISTS idx_balance_records_created_at ON ml_balance_records(created_at);
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COMMENT ON TABLE ml_balance_records IS '余额变动记录表';
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COMMENT ON COLUMN ml_balance_records.type IS '类型：free_order-免单奖励，rebate-返利，withdraw-提现，clear-清零，manual-手动调整';
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-- =====================================================
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-- 二、分享免单系统
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-- =====================================================
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-- 1. 分享记录表
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CREATE TABLE IF NOT EXISTS ml_share_records (
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id UUID DEFAULT gen_random_uuid() PRIMARY KEY,
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user_id UUID NOT NULL REFERENCES auth.users(id),
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product_id UUID NOT NULL REFERENCES ml_products(id),
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order_id UUID NOT NULL REFERENCES ml_orders(id),
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order_item_id UUID,
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share_code VARCHAR(20) NOT NULL UNIQUE,
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product_name VARCHAR(200),
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product_image VARCHAR(500),
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product_price DECIMAL(10,2),
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required_count INT DEFAULT 4,
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current_count INT DEFAULT 0,
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status INT DEFAULT 0,
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reward_amount DECIMAL(10,2),
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created_at TIMESTAMPTZ DEFAULT NOW(),
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completed_at TIMESTAMPTZ,
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expired_at TIMESTAMPTZ
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);
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CREATE INDEX IF NOT EXISTS idx_share_records_user_id ON ml_share_records(user_id);
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CREATE INDEX IF NOT EXISTS idx_share_records_share_code ON ml_share_records(share_code);
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CREATE INDEX IF NOT EXISTS idx_share_records_status ON ml_share_records(status);
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COMMENT ON TABLE ml_share_records IS '分享免单记录表';
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COMMENT ON COLUMN ml_share_records.status IS '状态：0-进行中，1-已完成，2-已失效，3-已过期';
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-- 2. 二级购买记录表
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CREATE TABLE IF NOT EXISTS ml_secondary_purchases (
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id UUID DEFAULT gen_random_uuid() PRIMARY KEY,
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share_record_id UUID NOT NULL REFERENCES ml_share_records(id) ON DELETE CASCADE,
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buyer_id UUID NOT NULL REFERENCES auth.users(id),
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order_id UUID NOT NULL REFERENCES ml_orders(id),
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quantity INT DEFAULT 1,
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unit_price DECIMAL(10,2),
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created_at TIMESTAMPTZ DEFAULT NOW(),
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UNIQUE(order_id, share_record_id)
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);
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CREATE INDEX IF NOT EXISTS idx_secondary_purchases_share_record_id ON ml_secondary_purchases(share_record_id);
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CREATE INDEX IF NOT EXISTS idx_secondary_purchases_buyer_id ON ml_secondary_purchases(buyer_id);
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COMMENT ON TABLE ml_secondary_purchases IS '二级用户购买记录表';
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-- 3. 免单奖励记录表
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CREATE TABLE IF NOT EXISTS ml_free_order_rewards (
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id UUID DEFAULT gen_random_uuid() PRIMARY KEY,
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user_id UUID NOT NULL REFERENCES auth.users(id),
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share_record_id UUID NOT NULL REFERENCES ml_share_records(id),
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amount DECIMAL(10,2) NOT NULL,
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status INT DEFAULT 0,
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balance_record_id UUID REFERENCES ml_balance_records(id),
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cleared_at TIMESTAMPTZ,
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cleared_by UUID REFERENCES auth.users(id),
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created_at TIMESTAMPTZ DEFAULT NOW()
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);
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CREATE INDEX IF NOT EXISTS idx_free_order_rewards_user_id ON ml_free_order_rewards(user_id);
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CREATE INDEX IF NOT EXISTS idx_free_order_rewards_status ON ml_free_order_rewards(status);
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COMMENT ON TABLE ml_free_order_rewards IS '免单奖励记录表';
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COMMENT ON COLUMN ml_free_order_rewards.status IS '状态：0-待发放，1-已发放，2-已清零';
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-- =====================================================
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-- 三、会员等级系统
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-- =====================================================
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-- 1. 会员等级配置表
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CREATE TABLE IF NOT EXISTS ml_member_levels (
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id INT PRIMARY KEY,
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name VARCHAR(50) NOT NULL,
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min_amount DECIMAL(10,2) DEFAULT 0,
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discount DECIMAL(5,4) DEFAULT 1.0000,
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icon VARCHAR(200),
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description TEXT,
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sort_order INT DEFAULT 0,
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status INT DEFAULT 1,
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created_at TIMESTAMPTZ DEFAULT NOW(),
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updated_at TIMESTAMPTZ DEFAULT NOW()
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);
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COMMENT ON TABLE ml_member_levels IS '会员等级配置表';
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COMMENT ON COLUMN ml_member_levels.discount IS '折扣率，0.85表示85折';
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-- 初始化会员等级数据
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INSERT INTO ml_member_levels (id, name, min_amount, discount, description, sort_order) VALUES
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(0, '普通会员', 0, 1.0000, '注册即可成为普通会员', 0),
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(1, '铜牌会员', 500, 0.9800, '累计消费500元升级', 1),
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(2, '银牌会员', 2000, 0.9500, '累计消费2000元升级', 2),
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(3, '金牌会员', 5000, 0.9200, '累计消费5000元升级', 3),
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(4, '钻石会员', 10000, 0.8800, '累计消费10000元升级', 4),
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(5, 'VIP会员', 0, 0.8500, '商家特邀会员', 5)
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ON CONFLICT (id) DO NOTHING;
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-- 2. 用户会员信息扩展字段（添加到 ml_user_profiles）
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ALTER TABLE ml_user_profiles ADD COLUMN IF NOT EXISTS member_level INT DEFAULT 0;
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ALTER TABLE ml_user_profiles ADD COLUMN IF NOT EXISTS total_spent DECIMAL(10,2) DEFAULT 0;
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ALTER TABLE ml_user_profiles ADD COLUMN IF NOT EXISTS level_updated_at TIMESTAMPTZ;
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ALTER TABLE ml_user_profiles ADD COLUMN IF NOT EXISTS manual_level BOOLEAN DEFAULT FALSE;
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ALTER TABLE ml_user_profiles ADD COLUMN IF NOT EXISTS manual_level_by UUID;
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ALTER TABLE ml_user_profiles ADD COLUMN IF NOT EXISTS manual_level_at TIMESTAMPTZ;
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COMMENT ON COLUMN ml_user_profiles.member_level IS '当前会员等级';
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COMMENT ON COLUMN ml_user_profiles.total_spent IS '累计消费金额';
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COMMENT ON COLUMN ml_user_profiles.manual_level IS '是否手动设置等级';
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-- 3. 会员等级变更记录表
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CREATE TABLE IF NOT EXISTS ml_member_level_logs (
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id UUID DEFAULT gen_random_uuid() PRIMARY KEY,
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user_id UUID NOT NULL REFERENCES auth.users(id),
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old_level INT DEFAULT 0,
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new_level INT NOT NULL,
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reason VARCHAR(200),
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operator_id UUID REFERENCES auth.users(id),
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created_at TIMESTAMPTZ DEFAULT NOW()
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);
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CREATE INDEX IF NOT EXISTS idx_member_level_logs_user_id ON ml_member_level_logs(user_id);
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COMMENT ON TABLE ml_member_level_logs IS '会员等级变更记录表';
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-- =====================================================
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-- 四、RLS 策略
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-- =====================================================
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-- 用户余额表 RLS
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ALTER TABLE ml_user_balance ENABLE ROW LEVEL SECURITY;
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CREATE POLICY "Users can view own balance"
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ON ml_user_balance FOR SELECT
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TO authenticated
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USING (auth.uid() = user_id);
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CREATE POLICY "Users can insert own balance"
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ON ml_user_balance FOR INSERT
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TO authenticated
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WITH CHECK (auth.uid() = user_id);
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CREATE POLICY "Users can update own balance"
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ON ml_user_balance FOR UPDATE
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TO authenticated
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USING (auth.uid() = user_id);
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-- 余额记录表 RLS
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ALTER TABLE ml_balance_records ENABLE ROW LEVEL SECURITY;
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CREATE POLICY "Users can view own balance records"
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ON ml_balance_records FOR SELECT
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TO authenticated
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USING (auth.uid() = user_id);
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CREATE POLICY "Users can insert own balance records"
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ON ml_balance_records FOR INSERT
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TO authenticated
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WITH CHECK (auth.uid() = user_id);
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-- 分享记录表 RLS
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ALTER TABLE ml_share_records ENABLE ROW LEVEL SECURITY;
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CREATE POLICY "Users can view own share records"
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ON ml_share_records FOR SELECT
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TO authenticated
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USING (auth.uid() = user_id);
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CREATE POLICY "Users can insert own share records"
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ON ml_share_records FOR INSERT
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TO authenticated
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WITH CHECK (auth.uid() = user_id);
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CREATE POLICY "Users can update own share records"
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ON ml_share_records FOR UPDATE
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TO authenticated
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USING (auth.uid() = user_id);
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-- 允许通过分享码查询（用于验证分享码）
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CREATE POLICY "Anyone can view by share code"
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ON ml_share_records FOR SELECT
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TO authenticated, anon
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USING (share_code IS NOT NULL);
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-- 二级购买记录表 RLS
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ALTER TABLE ml_secondary_purchases ENABLE ROW LEVEL SECURITY;
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CREATE POLICY "Users can view own secondary purchases"
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ON ml_secondary_purchases FOR SELECT
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TO authenticated
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USING (buyer_id = auth.uid() OR EXISTS (
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SELECT 1 FROM ml_share_records WHERE id = share_record_id AND user_id = auth.uid()
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));
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CREATE POLICY "Users can insert secondary purchases"
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ON ml_secondary_purchases FOR INSERT
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TO authenticated
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WITH CHECK (true);
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-- 免单奖励记录表 RLS
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ALTER TABLE ml_free_order_rewards ENABLE ROW LEVEL SECURITY;
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CREATE POLICY "Users can view own rewards"
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ON ml_free_order_rewards FOR SELECT
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TO authenticated
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USING (auth.uid() = user_id);
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-- 会员等级配置表 RLS（所有人可查看）
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ALTER TABLE ml_member_levels ENABLE ROW LEVEL SECURITY;
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CREATE POLICY "Anyone can view member levels"
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ON ml_member_levels FOR SELECT
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TO authenticated, anon
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USING (status = 1);
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-- 会员等级变更记录表 RLS
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ALTER TABLE ml_member_level_logs ENABLE ROW LEVEL SECURITY;
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CREATE POLICY "Users can view own level logs"
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ON ml_member_level_logs FOR SELECT
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TO authenticated
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USING (auth.uid() = user_id);
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-- =====================================================
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-- 五、数据库函数
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-- =====================================================
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-- 1. 生成分享码函数
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CREATE OR REPLACE FUNCTION generate_share_code()
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RETURNS VARCHAR(20) AS $$
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DECLARE
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chars TEXT := 'ABCDEFGHJKLMNPQRSTUVWXYZ23456789';
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result VARCHAR(20) := '';
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i INT;
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BEGIN
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FOR i IN 1..8 LOOP
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result := result || substr(chars, floor(random() * length(chars) + 1)::int, 1);
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END LOOP;
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RETURN result;
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END;
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$$ LANGUAGE plpgsql;
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-- 2. 增加余额函数
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CREATE OR REPLACE FUNCTION add_user_balance(
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p_user_id UUID,
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p_amount DECIMAL(10,2),
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p_type VARCHAR(50),
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p_related_id UUID DEFAULT NULL,
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p_description VARCHAR(200) DEFAULT NULL,
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p_operator_id UUID DEFAULT NULL
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)
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RETURNS BOOLEAN AS $$
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DECLARE
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v_balance_before DECIMAL(10,2);
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v_balance_after DECIMAL(10,2);
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BEGIN
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-- 获取当前余额
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SELECT COALESCE(balance, 0) INTO v_balance_before
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FROM ml_user_balance
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WHERE user_id = p_user_id;
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IF v_balance_before IS NULL THEN
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-- 创建余额记录
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INSERT INTO ml_user_balance (user_id, balance, total_earned)
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VALUES (p_user_id, p_amount, p_amount);
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v_balance_before := 0;
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v_balance_after := p_amount;
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ELSE
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-- 更新余额
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UPDATE ml_user_balance
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SET balance = balance + p_amount,
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total_earned = total_earned + CASE WHEN p_amount > 0 THEN p_amount ELSE 0 END,
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updated_at = NOW()
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WHERE user_id = p_user_id;
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v_balance_after := v_balance_before + p_amount;
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END IF;
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-- 记录变动
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INSERT INTO ml_balance_records (user_id, type, amount, balance_before, balance_after, related_id, description, operator_id)
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VALUES (p_user_id, p_type, p_amount, v_balance_before, v_balance_after, p_related_id, p_description, p_operator_id);
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RETURN TRUE;
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END;
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$$ LANGUAGE plpgsql SECURITY DEFINER;
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-- 3. 清零用户余额函数
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CREATE OR REPLACE FUNCTION clear_user_balance(
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p_user_id UUID,
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p_operator_id UUID,
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p_description VARCHAR(200) DEFAULT '商家清零余额'
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)
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RETURNS BOOLEAN AS $$
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DECLARE
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v_balance_before DECIMAL(10,2);
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BEGIN
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-- 获取当前余额
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SELECT balance INTO v_balance_before
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FROM ml_user_balance
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WHERE user_id = p_user_id;
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IF v_balance_before IS NULL OR v_balance_before = 0 THEN
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RETURN FALSE;
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END IF;
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-- 清零余额
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UPDATE ml_user_balance
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SET balance = 0,
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updated_at = NOW()
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WHERE user_id = p_user_id;
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-- 记录变动
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INSERT INTO ml_balance_records (user_id, type, amount, balance_before, balance_after, description, operator_id)
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VALUES (p_user_id, 'clear', -v_balance_before, v_balance_before, 0, p_description, p_operator_id);
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RETURN TRUE;
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END;
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$$ LANGUAGE plpgsql SECURITY DEFINER;
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-- 4. 检查并升级会员等级函数
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CREATE OR REPLACE FUNCTION check_and_upgrade_member_level(p_user_id UUID)
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RETURNS INT AS $$
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DECLARE
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v_total_spent DECIMAL(10,2);
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v_current_level INT;
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v_new_level INT;
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v_manual_level BOOLEAN;
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BEGIN
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-- 获取用户当前信息
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SELECT member_level, total_spent, manual_level
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INTO v_current_level, v_total_spent, v_manual_level
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FROM ml_user_profiles
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WHERE user_id = p_user_id;
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-- 如果是手动设置的等级，不自动升级
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IF v_manual_level = TRUE THEN
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RETURN v_current_level;
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END IF;
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-- 根据消费金额计算新等级
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SELECT id INTO v_new_level
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FROM ml_member_levels
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WHERE status = 1 AND min_amount <= COALESCE(v_total_spent, 0)
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ORDER BY min_amount DESC
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LIMIT 1;
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IF v_new_level IS NULL THEN
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v_new_level := 0;
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END IF;
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-- 如果等级有变化，更新并记录
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IF v_new_level > COALESCE(v_current_level, 0) THEN
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UPDATE ml_user_profiles
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SET member_level = v_new_level,
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level_updated_at = NOW()
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WHERE user_id = p_user_id;
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INSERT INTO ml_member_level_logs (user_id, old_level, new_level, reason)
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VALUES (p_user_id, COALESCE(v_current_level, 0), v_new_level, '累计消费自动升级');
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RETURN v_new_level;
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END IF;
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RETURN COALESCE(v_current_level, 0);
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END;
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$$ LANGUAGE plpgsql SECURITY DEFINER;
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-- 5. 处理分享购买函数
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CREATE OR REPLACE FUNCTION process_share_purchase(
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p_share_code VARCHAR(20),
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p_buyer_id UUID,
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p_order_id UUID,
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p_quantity INT,
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p_unit_price DECIMAL(10,2)
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)
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RETURNS BOOLEAN AS $$
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DECLARE
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v_share_record ml_share_records%ROWTYPE;
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v_required_count INT;
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v_reward_amount DECIMAL(10,2);
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BEGIN
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-- 查找分享记录
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SELECT * INTO v_share_record
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FROM ml_share_records
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WHERE share_code = p_share_code AND status = 0;
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IF NOT FOUND THEN
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RETURN FALSE;
|
||
END IF;
|
||
|
||
-- 不能购买自己分享的商品
|
||
IF v_share_record.user_id = p_buyer_id THEN
|
||
RETURN FALSE;
|
||
END IF;
|
||
|
||
-- 检查是否已购买过（同一用户对同一分享记录只算一次）
|
||
IF EXISTS (SELECT 1 FROM ml_secondary_purchases WHERE share_record_id = v_share_record.id AND buyer_id = p_buyer_id) THEN
|
||
RETURN FALSE;
|
||
END IF;
|
||
|
||
-- 记录购买
|
||
INSERT INTO ml_secondary_purchases (share_record_id, buyer_id, order_id, quantity, unit_price)
|
||
VALUES (v_share_record.id, p_buyer_id, p_order_id, p_quantity, p_unit_price);
|
||
|
||
-- 更新计数
|
||
UPDATE ml_share_records
|
||
SET current_count = current_count + 1
|
||
WHERE id = v_share_record.id;
|
||
|
||
-- 检查是否达标
|
||
SELECT current_count, required_count INTO v_required_count, v_required_count
|
||
FROM ml_share_records WHERE id = v_share_record.id;
|
||
|
||
IF v_share_record.current_count + 1 >= v_share_record.required_count THEN
|
||
-- 计算奖励金额
|
||
v_reward_amount := v_share_record.product_price;
|
||
|
||
-- 更新分享记录状态
|
||
UPDATE ml_share_records
|
||
SET status = 1, completed_at = NOW(), reward_amount = v_reward_amount
|
||
WHERE id = v_share_record.id;
|
||
|
||
-- 创建奖励记录
|
||
INSERT INTO ml_free_order_rewards (user_id, share_record_id, amount)
|
||
VALUES (v_share_record.user_id, v_share_record.id, v_reward_amount);
|
||
|
||
-- 增加用户余额
|
||
PERFORM add_user_balance(
|
||
v_share_record.user_id,
|
||
v_reward_amount,
|
||
'free_order',
|
||
v_share_record.id,
|
||
'分享免单奖励：' || v_share_record.product_name
|
||
);
|
||
|
||
-- 更新奖励记录状态
|
||
UPDATE ml_free_order_rewards
|
||
SET status = 1
|
||
WHERE share_record_id = v_share_record.id;
|
||
END IF;
|
||
|
||
RETURN TRUE;
|
||
END;
|
||
$$ LANGUAGE plpgsql SECURITY DEFINER;
|
||
|
||
-- =====================================================
|
||
-- 六、触发器
|
||
-- =====================================================
|
||
|
||
-- 订单完成后更新用户累计消费并检查会员等级
|
||
CREATE OR REPLACE FUNCTION update_user_total_spent()
|
||
RETURNS TRIGGER AS $$
|
||
BEGIN
|
||
IF NEW.status = 4 AND (OLD.status != 4 OR OLD.status IS NULL) THEN
|
||
-- 更新累计消费
|
||
UPDATE ml_user_profiles
|
||
SET total_spent = COALESCE(total_spent, 0) + NEW.total_amount
|
||
WHERE user_id = NEW.user_id;
|
||
|
||
-- 检查会员等级
|
||
PERFORM check_and_upgrade_member_level(NEW.user_id);
|
||
END IF;
|
||
|
||
RETURN NEW;
|
||
END;
|
||
$$ LANGUAGE plpgsql;
|
||
|
||
-- 创建触发器（如果不存在）
|
||
DO $$
|
||
BEGIN
|
||
IF NOT EXISTS (
|
||
SELECT 1 FROM pg_trigger WHERE tgname = 'trigger_update_user_total_spent'
|
||
) THEN
|
||
CREATE TRIGGER trigger_update_user_total_spent
|
||
AFTER UPDATE ON ml_orders
|
||
FOR EACH ROW
|
||
EXECUTE FUNCTION update_user_total_spent();
|
||
END IF;
|
||
END $$;
|
||
|
||
-- =====================================================
|
||
-- 七、视图
|
||
-- =====================================================
|
||
|
||
-- 用户余额概览视图
|
||
CREATE OR REPLACE VIEW ml_user_balance_overview AS
|
||
SELECT
|
||
ub.user_id,
|
||
ub.balance,
|
||
ub.frozen_balance,
|
||
ub.total_earned,
|
||
ub.total_withdrawn,
|
||
up.member_level,
|
||
ml.name as member_level_name,
|
||
ml.discount as member_discount,
|
||
up.total_spent
|
||
FROM ml_user_balance ub
|
||
LEFT JOIN ml_user_profiles up ON ub.user_id = up.user_id
|
||
LEFT JOIN ml_member_levels ml ON up.member_level = ml.id;
|
||
|
||
-- 分享进度视图
|
||
CREATE OR REPLACE VIEW ml_share_progress_view AS
|
||
SELECT
|
||
sr.id,
|
||
sr.user_id,
|
||
sr.product_id,
|
||
sr.product_name,
|
||
sr.product_image,
|
||
sr.product_price,
|
||
sr.share_code,
|
||
sr.required_count,
|
||
sr.current_count,
|
||
sr.status,
|
||
sr.reward_amount,
|
||
sr.created_at,
|
||
sr.completed_at,
|
||
sr.required_count - sr.current_count as remaining_count
|
||
FROM ml_share_records sr;
|