feat(invite): 添加邀请码功能模块
This commit is contained in:
qzl
@@ -0,0 +1,329 @@
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"""add invite_codes table and profiles referred_by
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Revision ID: 20260407_0002
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Revises: 20260407_0001
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Create Date: 2026-04-07 00:00:00
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"""
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from typing import Sequence, Union
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from alembic import op
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revision: str = "20260407_0002"
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down_revision: Union[str, Sequence[str], None] = "20260407_0001"
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branch_labels: Union[str, Sequence[str], None] = None
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depends_on: Union[str, Sequence[str], None] = None
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def upgrade() -> None:
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op.execute(
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"""
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CREATE TABLE invite_codes (
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id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
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code VARCHAR(6) NOT NULL UNIQUE CHECK (code ~ '^[ABCDEFGHJKMNPQRSTUVWXYZ23456789]{6}$'),
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owner_id UUID REFERENCES profiles(id) ON DELETE SET NULL,
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status VARCHAR(20) NOT NULL DEFAULT 'active' CHECK (status IN ('active', 'disabled', 'expired')),
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used_count INTEGER NOT NULL DEFAULT 0 CHECK (used_count >= 0),
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max_uses INTEGER CHECK (max_uses IS NULL OR max_uses >= 1),
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expires_at TIMESTAMPTZ NULL,
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reward_config JSONB NOT NULL DEFAULT '{}',
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created_at TIMESTAMPTZ NOT NULL DEFAULT NOW(),
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updated_at TIMESTAMPTZ NOT NULL DEFAULT NOW()
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)
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"""
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)
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op.execute("CREATE INDEX ix_invite_codes_owner_id ON invite_codes(owner_id)")
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op.execute(
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"CREATE INDEX ix_invite_codes_code ON invite_codes(code) WHERE status = 'active'"
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)
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op.execute("ALTER TABLE invite_codes ENABLE ROW LEVEL SECURITY")
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op.execute("DROP POLICY IF EXISTS invite_codes_all_denied ON invite_codes")
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op.execute(
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"CREATE POLICY invite_codes_all_denied ON invite_codes FOR ALL USING (false)"
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)
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op.execute(
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"""
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ALTER TABLE profiles ADD COLUMN referred_by UUID REFERENCES profiles(id) ON DELETE SET NULL
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"""
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)
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op.execute("CREATE INDEX ix_profiles_referred_by ON profiles(referred_by)")
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op.execute(
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"""
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CREATE OR REPLACE FUNCTION public.generate_invite_code()
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RETURNS TEXT
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LANGUAGE plpgsql
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SECURITY DEFINER
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SET search_path = ''
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AS $$
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DECLARE
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chars TEXT := 'ABCDEFGHJKMNPQRSTUVWXYZ23456789';
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result TEXT := '';
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i INT;
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BEGIN
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FOR i IN 1..6 LOOP
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result := result || substr(chars, floor(random() * length(chars) + 1)::int, 1);
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END LOOP;
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RETURN result;
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END;
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$$;
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"""
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)
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op.execute(
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"""
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CREATE OR REPLACE FUNCTION public.initialize_profile_and_invite_code_on_signup()
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RETURNS trigger
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LANGUAGE plpgsql
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SECURITY DEFINER
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SET search_path = public
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AS $$
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DECLARE
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v_username text;
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v_ledger_id uuid;
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v_event_id text;
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v_invite_code text;
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v_referrer_id uuid;
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v_attempts int := 0;
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invite_code_value text;
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BEGIN
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v_username := 'user_' || substring(md5(new.id::text || clock_timestamp()::text || random()::text) from 1 for 6);
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v_ledger_id := md5(new.id::text || 'ledger' || clock_timestamp()::text || random()::text)::uuid;
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v_event_id := 'register:' || new.id::text;
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INSERT INTO public.profiles (id, username, avatar_url, bio, settings)
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VALUES (
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new.id,
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v_username,
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null,
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null,
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jsonb_build_object(
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'version', 1,
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'preferences', jsonb_build_object(
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'interface_language', 'zh-CN',
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'ai_language', 'zh-CN',
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'timezone', 'Asia/Shanghai',
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'country', 'CN'
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),
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'privacy', jsonb_build_object('profile_visibility', 'public'),
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'notification', jsonb_build_object(
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'allow_notifications', true,
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'allow_vibration', true
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)
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)
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)
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ON CONFLICT (id) DO NOTHING;
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INSERT INTO public.user_points (
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user_id,
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balance,
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frozen_balance,
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lifetime_earned,
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lifetime_spent,
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version
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)
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VALUES (new.id, 100, 0, 100, 0, 0)
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ON CONFLICT (user_id) DO NOTHING;
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INSERT INTO public.points_ledger (
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id,
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user_id,
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direction,
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amount,
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balance_after,
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change_type,
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biz_type,
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biz_id,
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event_id,
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operator_id,
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metadata
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)
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VALUES (
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v_ledger_id,
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new.id,
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1,
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100,
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100,
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'register',
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null,
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null,
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v_event_id,
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null,
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jsonb_build_object(
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'schema_version', 1,
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'reason_code', 'REGISTER_WELCOME',
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'operator_type', 'system',
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'run_id', v_event_id,
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'request_id', null,
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'ext', jsonb_build_object('source', 'auth_signup')
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)
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)
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ON CONFLICT (user_id, event_id) DO NOTHING;
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LOOP
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BEGIN
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v_invite_code := public.generate_invite_code();
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INSERT INTO public.invite_codes (code, owner_id, status, used_count, max_uses, expires_at, reward_config)
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VALUES (
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v_invite_code,
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new.id,
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'active',
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0,
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NULL,
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NULL,
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'{}'::jsonb
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);
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EXIT;
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EXCEPTION WHEN unique_violation THEN
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v_attempts := v_attempts + 1;
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IF v_attempts >= 100 THEN
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RAISE EXCEPTION 'Failed to generate unique invite code after 100 attempts';
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END IF;
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END;
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END LOOP;
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invite_code_value := new.raw_user_meta_data ->> 'invite_code';
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IF invite_code_value IS NOT NULL AND length(invite_code_value) = 6 THEN
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invite_code_value := upper(invite_code_value);
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IF invite_code_value ~ '^[ABCDEFGHJKMNPQRSTUVWXYZ23456789]{6}$' THEN
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UPDATE public.invite_codes
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SET used_count = used_count + 1
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WHERE code = invite_code_value
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AND status = 'active'
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AND (max_uses IS NULL OR used_count < max_uses)
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AND (expires_at IS NULL OR expires_at > NOW())
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RETURNING owner_id INTO v_referrer_id;
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IF v_referrer_id IS NOT NULL THEN
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UPDATE public.profiles
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SET referred_by = v_referrer_id
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WHERE id = new.id;
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END IF;
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END IF;
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END IF;
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RETURN NEW;
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END;
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$$;
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"""
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)
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op.execute("DROP TRIGGER IF EXISTS on_auth_user_created ON auth.users")
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op.execute(
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"""
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CREATE TRIGGER on_auth_user_created
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AFTER INSERT ON auth.users
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FOR EACH ROW
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EXECUTE FUNCTION public.initialize_profile_and_invite_code_on_signup()
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"""
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)
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def downgrade() -> None:
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op.execute("DROP TRIGGER IF EXISTS on_auth_user_created ON auth.users")
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op.execute(
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"""
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CREATE OR REPLACE FUNCTION public.initialize_profile_and_points_on_signup()
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RETURNS trigger
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LANGUAGE plpgsql
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SECURITY DEFINER
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SET search_path = public
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AS $$
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DECLARE
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v_username text;
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v_ledger_id uuid;
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v_event_id text;
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BEGIN
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v_username := 'user_' || substring(md5(new.id::text || clock_timestamp()::text || random()::text) from 1 for 6);
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v_ledger_id := md5(new.id::text || 'ledger' || clock_timestamp()::text || random()::text)::uuid;
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v_event_id := 'register:' || new.id::text;
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INSERT INTO public.profiles (id, username, avatar_url, bio, settings)
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VALUES (
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new.id,
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v_username,
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null,
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null,
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jsonb_build_object(
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'version', 1,
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'preferences', jsonb_build_object(
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'interface_language', 'zh-CN',
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'ai_language', 'zh-CN',
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'timezone', 'Asia/Shanghai',
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'country', 'CN'
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),
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'privacy', jsonb_build_object('profile_visibility', 'public'),
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'notification', jsonb_build_object('push_enabled', true)
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)
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)
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ON CONFLICT (id) DO NOTHING;
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INSERT INTO public.user_points (
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user_id,
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balance,
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frozen_balance,
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lifetime_earned,
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lifetime_spent,
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version
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)
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VALUES (new.id, 100, 0, 100, 0, 0)
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ON CONFLICT (user_id) DO NOTHING;
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INSERT INTO public.points_ledger (
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id,
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user_id,
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direction,
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amount,
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balance_after,
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change_type,
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biz_type,
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biz_id,
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event_id,
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operator_id,
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metadata
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)
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VALUES (
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v_ledger_id,
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new.id,
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1,
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100,
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100,
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'register',
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null,
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null,
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v_event_id,
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null,
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jsonb_build_object(
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'schema_version', 1,
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'reason_code', 'REGISTER_WELCOME',
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'operator_type', 'system',
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'run_id', v_event_id,
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'request_id', null,
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'ext', jsonb_build_object('source', 'auth_signup')
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)
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)
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ON CONFLICT (user_id, event_id) DO NOTHING;
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RETURN NEW;
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END;
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$$;
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"""
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)
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op.execute(
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"CREATE TRIGGER on_auth_user_created AFTER INSERT ON auth.users FOR EACH ROW EXECUTE FUNCTION public.initialize_profile_and_points_on_signup()"
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)
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op.execute("DROP FUNCTION IF EXISTS public.generate_invite_code()")
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op.execute("DROP INDEX IF EXISTS ix_profiles_referred_by")
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op.execute("ALTER TABLE profiles DROP COLUMN IF EXISTS referred_by")
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op.execute("DROP POLICY IF EXISTS invite_codes_all_denied ON invite_codes")
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op.execute("ALTER TABLE invite_codes DISABLE ROW LEVEL SECURITY")
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op.execute("DROP INDEX IF EXISTS ix_invite_codes_code")
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op.execute("DROP INDEX IF EXISTS ix_invite_codes_owner_id")
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op.execute("DROP TABLE IF EXISTS invite_codes")
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