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Integrating WooCommerce with an Order Management System

Integrating WooCommerce with an Order Management System

If a system has a ready API, you could integrate it with the WooCommerce plugin. In this article, we’ll explore how to integrate an external order management system with WooCommerce

/* after an order has been processed, we will use the ‘woocommerce_thankyou’ hook, to add our function, to send the data */
add_action('woocommerce_thankyou', 'wdm_send_order_to_ext');
function wdm_send_order_to_ext( $order_id ){
// get order object and order details
$order = new WC_Order( $order_id );
$email = $order->billing_email;
$phone = $order->billing_phone;
$shipping_type = $order->get_shipping_method();
$shipping_cost = $order->get_total_shipping();

// set the address fields
$user_id = $order->user_id;
$address_fields = array('country',
'title',
'first_name',
'last_name',
'company',
'address_1',
'address_2',
'address_3',
'address_4',
'city',
'state',
'postcode');

$address = array();
if(is_array($address_fields)){
foreach($address_fields as $field){
$address['billing_'.$field] = get_user_meta( $user_id, 'billing_'.$field, true );
$address['shipping_'.$field] = get_user_meta( $user_id, 'shipping_'.$field, true );
}
}

// get coupon information (if applicable)
$cps = array();
$cps = $order->get_items( 'coupon' );


$coupon = array();
foreach($cps as $cp){
// get coupon titles (and additional details if accepted by the API)
$coupon[] = $cp['name'];
}

// get product details
$items = $order->get_items();

$item_name = array();
$item_qty = array();
$item_price = array();
$item_sku = array();

foreach( $items as $key => $item){
$item_name[] = $item['name'];
$item_qty[] = $item['qty'];
$item_price[] = $item['line_total'];


$item_id = $item['product_id'];
$product = new WC_Product($item_id);
$item_sku[] = $product->get_sku();
}

/* for online payments, send across the transaction ID/key. If the payment is handled offline, you could send across the order key instead */
$transaction_key = get_post_meta( $order_id, '_transaction_id', true );
$transaction_key = empty($transaction_key) ? $_GET['key'] : $transaction_key;

// set the username and password
$api_username = 'testuser';
$api_password = 'testpass';

// to test out the API, set $api_mode as ‘sandbox’
$api_mode = 'sandbox';
if($api_mode == 'sandbox'){
// sandbox URL example
$endpoint = "http://sandbox.example.com/";
}
else{
// production URL example
$endpoint = "http://example.com/";
}

// setup the data which has to be sent
$data = array(
'apiuser' => $api_username,
'apipass' => $api_password,
'customer_email' => $email,
'customer_phone' => $phone,
'bill_firstname' => $address['billing_first_name'],
'bill_surname' => $address['billing_last_name'],
'bill_address1' => $address['billing_address_1'],
'bill_address2' => $address['billing_address_2'],
'bill_city' => $address['billing_city'],
'bill_state' => $address['billing_state'],
'bill_zip' => $address['billing_postcode'],
'ship_firstname' => $address['shipping_first_name'],
'ship_surname' => $address['shipping_last_name'],
'ship_address1' => $address['shipping_address_1'],
'ship_address2' => $address['shipping_address_2'],
'ship_city' => $address['shipping_city'],
'ship_state' => $address['shipping_state'],
'ship_zip' => $address['shipping_postcode'],
'shipping_type' => $shipping_type,
'shipping_cost' => $shipping_cost,
'item_sku' => implode(',', $item_sku),
'item_price' => implode(',', $item_price),
'quantity' => implode(',', $item_qty),
'transaction_key' => $transaction_key,
'coupon_code' => implode( ",", $coupon )
);

// send API request via cURL
$ch = curl_init();

/* set the complete URL, to process the order on the external system. Let’s consider is the URL, which invokes the API */
curl_setopt($ch, CURLOPT_URL, $endpoint."buyitem.php");
curl_setopt($ch, CURLOPT_POST, 1);
curl_setopt($ch, CURLOPT_POSTFIELDS, http_build_query($data));
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);

$response = curl_exec ($ch);

curl_close ($ch);

// the handle response
if (strpos($response,'ERROR') !== false) {
print_r($response);
} else {

// success
}
}

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