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migrations/003_payments.sql

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+-- Migration 003: Payments, Subscriptions, Purchases
+-- Run in Supabase SQL editor
+
+-- Extend listings status to include 'sold'
+ALTER TABLE listings
+  DROP CONSTRAINT IF EXISTS listings_status_check;
+ALTER TABLE listings
+  ADD CONSTRAINT listings_status_check
+    CHECK (status IN ('pending', 'approved', 'rejected', 'sold'));
+
+-- payments: one row per CinetPay transaction
+CREATE TABLE payments (
+  id              UUID PRIMARY KEY DEFAULT uuid_generate_v4(),
+  transaction_id  TEXT UNIQUE NOT NULL,
+  type            TEXT NOT NULL
+                      CHECK (type IN ('subscription', 'purchase')),
+  payer_id        UUID REFERENCES users(id) ON DELETE SET NULL,
+  amount          NUMERIC(12,2) NOT NULL,
+  currency        TEXT NOT NULL DEFAULT 'XOF',
+  status          TEXT NOT NULL DEFAULT 'pending'
+                      CHECK (status IN ('pending', 'completed', 'failed', 'cancelled')),
+  payment_method  TEXT,
+  operator_id     TEXT,
+  metadata        JSONB DEFAULT '{}'::JSONB,
+  created_at      TIMESTAMPTZ NOT NULL DEFAULT NOW(),
+  paid_at         TIMESTAMPTZ
+);
+
+-- subscriptions: active plan per agency
+CREATE TABLE subscriptions (
+  id          UUID PRIMARY KEY DEFAULT uuid_generate_v4(),
+  agency_id   UUID NOT NULL REFERENCES agencies(id) ON DELETE CASCADE,
+  plan        TEXT NOT NULL CHECK (plan IN ('monthly', 'yearly')),
+  status      TEXT NOT NULL DEFAULT 'active' CHECK (status IN ('active', 'expired')),
+  starts_at   TIMESTAMPTZ NOT NULL,
+  ends_at     TIMESTAMPTZ NOT NULL,
+  payment_id  UUID REFERENCES payments(id),
+  created_at  TIMESTAMPTZ NOT NULL DEFAULT NOW()
+);
+
+-- purchases: visitor buys a listing
+CREATE TABLE purchases (
+  id          UUID PRIMARY KEY DEFAULT uuid_generate_v4(),
+  listing_id  UUID NOT NULL REFERENCES listings(id) ON DELETE CASCADE,
+  buyer_id    UUID REFERENCES users(id) ON DELETE SET NULL,
+  amount      NUMERIC(12,2) NOT NULL,
+  payment_id  UUID REFERENCES payments(id),
+  created_at  TIMESTAMPTZ NOT NULL DEFAULT NOW()
+);
+
+CREATE INDEX idx_payments_transaction_id ON payments(transaction_id);
+CREATE INDEX idx_payments_payer_id ON payments(payer_id);
+CREATE INDEX idx_subscriptions_agency_id ON subscriptions(agency_id);
+CREATE INDEX idx_subscriptions_ends_at ON subscriptions(ends_at);
+CREATE INDEX idx_purchases_listing_id ON purchases(listing_id);