120 lines
4.3 KiB
PL/PgSQL
120 lines
4.3 KiB
PL/PgSQL
-- Migration 002: Gamification — Xu system, XP, streak, leaderboard
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-- Run in Supabase Dashboard → SQL Editor (after 001_user_progress.sql)
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-- ============================================================
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-- User gamification state (one row per user)
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-- ============================================================
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CREATE TABLE IF NOT EXISTS user_gamification (
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user_id UUID PRIMARY KEY REFERENCES auth.users(id) ON DELETE CASCADE,
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xp INT NOT NULL DEFAULT 0,
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level TEXT NOT NULL DEFAULT 'beginner'
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CHECK (level IN ('beginner', 'bronze', 'silver', 'gold', 'master')),
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streak INT NOT NULL DEFAULT 0,
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longest_streak INT NOT NULL DEFAULT 0,
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last_active DATE,
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xu INT NOT NULL DEFAULT 50, -- welcome bonus
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freeze_count INT NOT NULL DEFAULT 0,
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created_at TIMESTAMPTZ DEFAULT now()
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);
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-- ============================================================
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-- Xu transaction log (immutable audit trail)
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-- ============================================================
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CREATE TABLE IF NOT EXISTS xu_transactions (
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id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
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user_id UUID NOT NULL REFERENCES auth.users(id) ON DELETE CASCADE,
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type TEXT NOT NULL
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CHECK (type IN (
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'earn_welcome', 'earn_daily', 'earn_streak', 'earn_ads',
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'spend_freeze', 'spend_writing', 'spend_test'
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)),
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amount INT NOT NULL, -- positive = earn, negative = spend
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balance INT NOT NULL, -- xu balance after this transaction
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description TEXT,
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created_at TIMESTAMPTZ DEFAULT now()
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);
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CREATE INDEX IF NOT EXISTS idx_xu_transactions_user_date
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ON xu_transactions(user_id, created_at DESC);
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-- ============================================================
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-- Weekly leaderboard (reset every week)
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-- ============================================================
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CREATE TABLE IF NOT EXISTS weekly_leaderboard (
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id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
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user_id UUID NOT NULL REFERENCES auth.users(id) ON DELETE CASCADE,
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week_start DATE NOT NULL,
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xp_earned INT NOT NULL DEFAULT 0,
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rank INT,
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UNIQUE (user_id, week_start)
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);
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CREATE INDEX IF NOT EXISTS idx_leaderboard_week_xp
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ON weekly_leaderboard(week_start, xp_earned DESC);
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-- ============================================================
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-- Row Level Security
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-- ============================================================
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-- user_gamification
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ALTER TABLE user_gamification ENABLE ROW LEVEL SECURITY;
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CREATE POLICY "Users can read own gamification"
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ON user_gamification FOR SELECT
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USING (auth.uid() = user_id);
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CREATE POLICY "Users can insert own gamification"
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ON user_gamification FOR INSERT
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WITH CHECK (auth.uid() = user_id);
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CREATE POLICY "Users can update own gamification"
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ON user_gamification FOR UPDATE
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USING (auth.uid() = user_id);
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-- xu_transactions (immutable — no UPDATE/DELETE)
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ALTER TABLE xu_transactions ENABLE ROW LEVEL SECURITY;
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CREATE POLICY "Users can read own xu transactions"
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ON xu_transactions FOR SELECT
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USING (auth.uid() = user_id);
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CREATE POLICY "Users can insert own xu transactions"
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ON xu_transactions FOR INSERT
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WITH CHECK (auth.uid() = user_id);
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-- weekly_leaderboard (public read, own write)
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ALTER TABLE weekly_leaderboard ENABLE ROW LEVEL SECURITY;
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CREATE POLICY "Anyone can read leaderboard"
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ON weekly_leaderboard FOR SELECT
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USING (true);
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CREATE POLICY "Users can insert own leaderboard"
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ON weekly_leaderboard FOR INSERT
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WITH CHECK (auth.uid() = user_id);
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CREATE POLICY "Users can update own leaderboard"
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ON weekly_leaderboard FOR UPDATE
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USING (auth.uid() = user_id);
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-- ============================================================
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-- Trigger: auto-create gamification row on new user signup
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-- ============================================================
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CREATE OR REPLACE FUNCTION handle_new_user_gamification()
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RETURNS TRIGGER AS $$
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BEGIN
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INSERT INTO user_gamification (user_id, xu)
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VALUES (NEW.id, 50);
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INSERT INTO xu_transactions (user_id, type, amount, balance, description)
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VALUES (NEW.id, 'earn_welcome', 50, 50, 'Welcome bonus');
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RETURN NEW;
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END;
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$$ LANGUAGE plpgsql SECURITY DEFINER;
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CREATE TRIGGER on_auth_user_created_gamification
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AFTER INSERT ON auth.users
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FOR EACH ROW
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EXECUTE FUNCTION handle_new_user_gamification();
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