76 lines
3.4 KiB
SQL
76 lines
3.4 KiB
SQL
-- =============================================================================
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-- V1.2 Stage 1 — Canonical Customers Table
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-- Fully idempotent: CREATE TABLE IF NOT EXISTS, CREATE INDEX IF NOT EXISTS
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-- Purely additive: no changes to orders, communication_contacts, or checkout
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--
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-- STAGE 2 NOTE: When upserting customers in Stage 2, normalize BEFORE upsert:
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-- - email: lowercase + trim
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-- - phone: strip formatting chars [\s\-().[\]], preserve original if uncertain
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-- This ensures consistent matching across orders, imports, and contacts.
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-- =============================================================================
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CREATE EXTENSION IF NOT EXISTS "uuid-ossp";
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-- ── Table ────────────────────────────────────────────────────────────────────
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CREATE TABLE IF NOT EXISTS public.customers (
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id UUID PRIMARY KEY DEFAULT uuid_generate_v4(),
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brand_id UUID NOT NULL REFERENCES brands(id) ON DELETE CASCADE,
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primary_email TEXT,
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primary_phone TEXT,
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first_name TEXT,
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last_name TEXT,
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source TEXT NOT NULL DEFAULT 'system',
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metadata 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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CONSTRAINT customers_email_or_phone CHECK (
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primary_email IS NOT NULL OR primary_phone IS NOT NULL
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)
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);
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-- ── Indexes ───────────────────────────────────────────────────────────────────
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CREATE INDEX IF NOT EXISTS idx_customers_brand
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ON public.customers(brand_id);
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CREATE INDEX IF NOT EXISTS idx_customers_email
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ON public.customers(primary_email) WHERE primary_email IS NOT NULL;
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CREATE INDEX IF NOT EXISTS idx_customers_phone
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ON public.customers(primary_phone) WHERE primary_phone IS NOT NULL;
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-- Partial unique indexes: enforce one customer per brand per email/phone
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-- PostgreSQL requires CREATE UNIQUE INDEX rather than CONSTRAINT for partial unique
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CREATE UNIQUE INDEX IF NOT EXISTS idx_customers_brand_email_unique
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ON public.customers(brand_id, primary_email)
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WHERE primary_email IS NOT NULL;
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CREATE UNIQUE INDEX IF NOT EXISTS idx_customers_brand_phone_unique
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ON public.customers(brand_id, primary_phone)
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WHERE primary_phone IS NOT NULL;
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-- ── RLS ───────────────────────────────────────────────────────────────────────
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ALTER TABLE public.customers ENABLE ROW LEVEL SECURITY;
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DROP POLICY IF EXISTS "Brand admin can read customers"
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ON public.customers;
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CREATE POLICY "Brand admin can read customers"
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ON public.customers FOR SELECT TO authenticated
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USING (brand_id IN (
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SELECT brand_id FROM admin_users
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WHERE admin_users.user_id = auth.uid()
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AND admin_users.role = 'brand_admin'
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));
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DROP POLICY IF EXISTS "Platform admin can read customers"
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ON public.customers;
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CREATE POLICY "Platform admin can read customers"
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ON public.customers FOR SELECT TO authenticated
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USING (EXISTS (
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SELECT 1 FROM admin_users
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WHERE admin_users.user_id = auth.uid()
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AND admin_users.role = 'platform_admin'
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));
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NOTIFY pgrst, 'reload schema';
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