Add PayPal checkout provider

database/migrations/2026_02_04_114212_add_paypal_columns_to_checkout_sessions_table.php

@@ -0,0 +1,45 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+return new class extends Migration
+{
+    /**
+     * Run the migrations.
+     */
+    public function up(): void
+    {
+        Schema::table('checkout_sessions', function (Blueprint $table) {
+            if (! Schema::hasColumn('checkout_sessions', 'paypal_order_id')) {
+                $table->string('paypal_order_id')->nullable()->after('lemonsqueezy_order_id');
+            }
+
+            if (! Schema::hasColumn('checkout_sessions', 'paypal_capture_id')) {
+                $table->string('paypal_capture_id')->nullable()->after('paypal_order_id');
+            }
+
+            $table->unique('paypal_order_id');
+            $table->unique('paypal_capture_id');
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     */
+    public function down(): void
+    {
+        Schema::table('checkout_sessions', function (Blueprint $table) {
+            if (Schema::hasColumn('checkout_sessions', 'paypal_order_id')) {
+                $table->dropUnique('checkout_sessions_paypal_order_id_unique');
+                $table->dropColumn('paypal_order_id');
+            }
+
+            if (Schema::hasColumn('checkout_sessions', 'paypal_capture_id')) {
+                $table->dropUnique('checkout_sessions_paypal_capture_id_unique');
+                $table->dropColumn('paypal_capture_id');
+            }
+        });
+    }
+};