fgilio · December 11, 2018 23:13 · Dec 11, 2018
diff --git a/mercadopago-payment-is-paid.php b/mercadopago-payment-is-paid.php
@@ -0,0 +1,36 @@
+<?php
+ /*
+ * Keep in mind that this is heavily tied to the Laravel Framework
+ *
+ * $client_id
+ * $client_secret
+ * $externalReference
+ */
+
+MercadoPago\SDK::setClientId($client_id);
+MercadoPago\SDK::setClientSecret($client_secret);
+
+$paymentService = new MercadoPago\Payment();
+
+$payments = collect($paymentService->search(['external_reference' => $externalReference]));
+
+if ($payments->isEmpty()) {
+    // No payments attempt made
+
+    return;
+}
+
+$merchantOrder = MercadoPago\MerchantOrder::find_by_id($payments->first()->order->id);
+
+$paidAmount = collect($merchantOrder->payments)
+    ->filter(function ($payment) {
+        return $payment->status === 'approved';
+    })
+    ->sum('transaction_amount');
+
+// If the payment's transaction amount is equal (or bigger) than the merchant_order's amount you can release your items
+if ($paidAmount >= $merchantOrder->total_amount) {
+    // Fully paid!
+} else {
+    // Not paid yet
+}