first commit

common/Billing/Gateways/Paypal/PaypalPlans.php

@@ -0,0 +1,99 @@
+<?php namespace Common\Billing\Gateways\Paypal;
+
+use Common\Billing\GatewayException;
+use Common\Billing\Models\Price;
+use Common\Billing\Models\Product;
+use Illuminate\Support\Str;
+
+class PaypalPlans
+{
+    use InteractsWithPaypalRestApi;
+
+    public function sync(Product $product): bool
+    {
+        $product->load('prices');
+
+        // there's only one global product on PayPal and not one per plan as on stripe
+        $productId = config('services.paypal.product_id');
+        $response = $this->paypal()->get("catalogs/products/$productId");
+        if (!$response->successful()) {
+            $this->paypal()->post('catalogs/products', [
+                'id' => $productId,
+                'name' => config('services.paypal.product_name'),
+                'type' => 'DIGITAL',
+            ]);
+        }
+
+        // create any local product prices (plans) on PayPal, that don't exist there already
+        $product->prices->each(function (Price $price) use ($product) {
+            if (
+                !$price->paypal_id ||
+                !$this->planExistsOnPaypal($price->paypal_id)
+            ) {
+                $this->create($product, $price);
+            }
+        });
+
+        return true;
+    }
+
+    protected function planExistsOnPaypal(string $paypalPlanId): bool
+    {
+        $response = $this->paypal()->get("billing/plans/{$paypalPlanId}");
+        return $response->successful();
+    }
+
+    protected function create(Product $product, Price $price): bool
+    {
+        $response = $this->paypal()->post('billing/plans', [
+            'name' => $product->name,
+            'product_id' => config('services.paypal.product_id'),
+            'status' => 'ACTIVE',
+            'payment_preferences' => [
+                'auto_bill_outstanding' => true,
+                'payment_failure_threshold' => 2,
+            ],
+            'billing_cycles' => [
+                [
+                    'frequency' => [
+                        'interval_unit' => Str::upper($price->interval),
+                        'interval_count' => $price->interval_count,
+                    ],
+                    'tenure_type' => 'REGULAR',
+                    'sequence' => 1,
+                    'total_cycles' => 0, // infinite
+                    'pricing_scheme' => [
+                        'fixed_price' => [
+                            'value' => number_format(
+                                $price->amount,
+                                2,
+                                '.',
+                                '',
+                            ),
+                            'currency_code' => Str::upper($price->currency),
+                        ],
+                    ],
+                ],
+            ],
+        ]);
+
+        if (!$response->successful()) {
+            throw new GatewayException('Could not create plan on PayPal');
+        }
+
+        $price->fill(['paypal_id' => $response['id']])->save();
+        return true;
+    }
+
+    public function delete(Product $product): bool
+    {
+        $statuses = $product->prices->map(function (Price $price) {
+            $response = $this->paypal()->post(
+                "billing/plans/{$price->paypal_id}/deactivate",
+            );
+            return $response->successful();
+        });
+
+        return $statuses->every(fn($status) => $status);
+    }
+}