fix

readme.md

@@ -67,6 +67,7 @@ Then, (later) charge the customer without token.
 ```php
 StripeConnect::transaction()
     ->amount(1000, 'usd')
+    ->useSavedCustomer()
     ->from($customer)
     ->to($vendor)
     ->create(); 

src/StripeConnect.php

@@ -71,6 +71,26 @@ public static function createCustomer($token, $from, $params = [])
         });
     }
 
+    /**
+     * @param $token
+     * @param $from
+     * @param array $params
+     * @return Stripe
+     */
+    public function createOrUpdateCustomer($token, $from, $params = [])
+    {
+        self::prepare();
+        $user = self::getStripeModel($from);
+        if (!$user) {
+            return self::createCustomer($token, $from, $params);
+        } else {
+            $customer = \Stripe\Customer::retrieve($token->customer_id);
+            $customer->source = $token;
+            $customer->save();
+            return $user;
+        }
+    }
+
     /**
      * @param $user
      * @param $id_key

src/Transaction.php

@@ -18,7 +18,7 @@ class Transaction
     /**
      * @var
      */
-    private $from, $to, $value, $currency, $to_params, $token, $fee, $from_params;
+    private $from, $to, $value, $currency, $to_params, $token, $fee, $from_params, $saved_customer;
 
     /**
      * Transaction constructor.
@@ -43,6 +43,15 @@ public function from($user, $params = [])
         return $this;
     }
 
+    /**
+     * @return $this
+     */
+    public function useSavedCustomer()
+    {
+        $this->saved_customer = true;
+        return $this;
+    }
+
     /**
      * Set the Vendor.
      *
@@ -85,6 +94,7 @@ public function fee($amount)
 
     /**
      * Create the transaction: charge customer and credit vendor.
+     * This function saves the two accounts.
      *
      * @param array $params
      * @return Charge
@@ -94,12 +104,16 @@ public function create($params = [])
         // Prepare vendor
         $vendor = StripeConnect::createAccount($this->to, $this->to_params);
         // Prepare customer
-        $customer = StripeConnect::createCustomer($this->token, $this->from, $this->from_params);
+        if ($this->saved_customer) {
+            $customer = StripeConnect::createCustomer($this->token, $this->from, $this->from_params);
+            $params["customer"] = $customer->customer_id;
+        } else {
+            $params["source"] = $this->token;
+        }
 
         return Charge::create(array_merge([
             "amount" => $this->value,
             "currency" => $this->currency,
-            "customer" => $customer->customer_id,
             "destination" => [
                 "account" => $vendor->account_id,
             ],