feat(data): add attribute and coupon repositories

src/Repositories/CouponRepository.php

@@ -0,0 +1,83 @@
+<?php
+
+namespace Bazaar\Repositories;
+
+use Bazaar\Core\Database;
+
+final class CouponRepository
+{
+    public function __construct(private readonly Database $db)
+    {
+    }
+
+    public function all(): array
+    {
+        return $this->db->select('SELECT * FROM coupons ORDER BY createdAt DESC, id DESC');
+    }
+
+    public function find(int $id): ?array
+    {
+        return $this->db->selectOne('SELECT * FROM coupons WHERE id = ?', [$id]);
+    }
+
+    public function findByCode(string $code): ?array
+    {
+        return $this->db->selectOne(
+            'SELECT * FROM coupons WHERE code = ?',
+            [strtoupper(trim($code))]
+        );
+    }
+
+    public function create(array $fields): int
+    {
+        return $this->db->insert(
+            'INSERT INTO coupons
+                (code, type, value, minSubtotalCents, maxRedemptions, startsAt, expiresAt, isActive, createdAt)
+             VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?)',
+            [
+                strtoupper(trim($fields['code'])),
+                $fields['type'],
+                $fields['value'],
+                $fields['minSubtotalCents'],
+                $fields['maxRedemptions'],
+                $fields['startsAt'],
+                $fields['expiresAt'],
+                $fields['isActive'] ? 1 : 0,
+                gmdate('c'),
+            ]
+        );
+    }
+
+    public function update(int $id, array $fields): void
+    {
+        $this->db->statement(
+            'UPDATE coupons SET
+                type = ?, value = ?, minSubtotalCents = ?, maxRedemptions = ?,
+                startsAt = ?, expiresAt = ?, isActive = ?
+             WHERE id = ?',
+            [
+                $fields['type'],
+                $fields['value'],
+                $fields['minSubtotalCents'],
+                $fields['maxRedemptions'],
+                $fields['startsAt'],
+                $fields['expiresAt'],
+                $fields['isActive'] ? 1 : 0,
+                $id,
+            ]
+        );
+    }
+
+    public function recordRedemption(int $id): void
+    {
+        $this->db->statement(
+            'UPDATE coupons SET redeemedCount = redeemedCount + 1 WHERE id = ?',
+            [$id]
+        );
+    }
+
+    public function delete(int $id): void
+    {
+        $this->db->statement('DELETE FROM coupons WHERE id = ?', [$id]);
+    }
+}