WooCommerce new order programatically (untested yet)

addOrder.php

function add_import_order( $row ) {

    // create new order
    $order = new ImportOrder();

    // done this before?
    $order->exists = order_exists( $row[PayPalCols::TRANSACTION_ID] );

    // add a bunch of fields
    $order->date = $row[PayPalCols::DATE];
    $order->time = $row[PayPalCols::TIME];
    $order->time_zone = $row[PayPalCols::TIME_ZONE];
    $order->type = $row[PayPalCols::TYPE];
    $order->status = $row[PayPalCols::STATUS];
    $order->currency = $row[PayPalCols::CURRENCY];
    $order->gross = $row[PayPalCols::GROSS];
    $order->fee = $row[PayPalCols::FEE];
    $order->net = $row[PayPalCols::NET];
    $order->note = $row[PayPalCols::NOTE];
    $order->from_email = $row[PayPalCols::FROM_EMAIL];
    $order->to_email = $row[PayPalCols::TO_EMAIL];
    $order->transaction_id = $row[PayPalCols::TRANSACTION_ID];
    $order->counterparty_status = $row[PayPalCols::COUNTERPARTY_STATUS];
    $order->address_status = $row[PayPalCols::ADDRESS_STATUS];
    $order->item_title = $row[PayPalCols::ITEM_TITLE];
    $order->item_id = $row[PayPalCols::ITEM_ID];
    $order->address_line_1 = utf8_encode( $row[PayPalCols::ADDRESS_LINE_1] );
    $order->address_line_2 = utf8_encode( $row[PayPalCols::ADDRESS_LINE_2] );
    $order->city = utf8_encode( $row[PayPalCols::TOWN_CITY] );
    $order->state = utf8_encode( $row[PayPalCols::STATE] );
    $order->zip = utf8_encode( $row[PayPalCols::ZIP] );
    $order->country = utf8_encode( $row[PayPalCols::COUNTRY] );
    $order->phone = utf8_encode( $row[PayPalCols::PHONE] );

    return $order;

}

newOrder.php

/* from: http://stackoverflow.com/a/24495795/1576978 */
// build order data
$order_data = array(
    'post_name'     => 'order-' . date_format($order_date, 'M-d-Y-hi-a'), //'order-jun-19-2014-0648-pm'
    'post_type'     => 'shop_order',
    'post_title'    => 'Order – ' . date_format($order_date, 'F d, Y @ h:i A'), //'June 19, 2014 @ 07:19 PM'
    'post_status'   => 'wc-completed',
    'ping_status'   => 'closed',
    'post_excerpt'  => $order->note,
    'post_author'   => $account->user_id,
    'post_password' => uniqid( 'order_' ),   // Protects the post just in case
    'post_date'     => date_format($order_date, 'Y-m-d H:i:s e'), //'order-jun-19-2014-0648-pm'
    'comment_status' => 'open'
);

// create order
$order_id = wp_insert_post( $order_data, true );

if ( is_wp_error( $order_id ) ) {

    $order->errors = $order_id;

} else {

    $order->imported = true;

    // add a bunch of meta data
    add_post_meta($order_id, 'transaction_id', $order->transaction_id, true); 
    add_post_meta($order_id, '_payment_method_title', 'Import', true);
    add_post_meta($order_id, '_order_total', $order->gross, true);
    add_post_meta($order_id, '_customer_user', $account->user_id, true);
    add_post_meta($order_id, '_completed_date', date_format( $order_date, 'Y-m-d H:i:s e'), true);
    add_post_meta($order_id, '_order_currency', $order->currency, true);
    add_post_meta($order_id, '_paid_date', date_format( $order_date, 'Y-m-d H:i:s e'), true);

    // billing info
    add_post_meta($order_id, '_billing_address_1', $order->address_line_1, true);
    add_post_meta($order_id, '_billing_address_2', $order->address_line_2, true);
    add_post_meta($order_id, '_billing_city', $order->city, true);
    add_post_meta($order_id, '_billing_state', $order->state, true);
    add_post_meta($order_id, '_billing_postcode', $order->zip, true);
    add_post_meta($order_id, '_billing_country', $order->country, true);
    add_post_meta($order_id, '_billing_email', $order->from_email, true);
    add_post_meta($order_id, '_billing_first_name', $order->first_name, true);
    add_post_meta($order_id, '_billing_last_name', $order->last_name, true);
    add_post_meta($order_id, '_billing_phone', $order->phone, true);

    // get product by item_id
    $product = get_product_by_sku( $order->item_id );

    if( $product ) {

        // add item
        $item_id = wc_add_order_item( $order_id, array(
            'order_item_name'       => $product->get_title(),
            'order_item_type'       => 'line_item'
        ) );

        if ( $item_id ) {

            // add item meta data
            wc_add_order_item_meta( $item_id, '_qty', 1 ); 
            wc_add_order_item_meta( $item_id, '_tax_class', $product->get_tax_class() );
            wc_add_order_item_meta( $item_id, '_product_id', $product->ID );
            wc_add_order_item_meta( $item_id, '_variation_id', '' );
            wc_add_order_item_meta( $item_id, '_line_subtotal', wc_format_decimal( $order->gross ) );
            wc_add_order_item_meta( $item_id, '_line_total', wc_format_decimal( $order->gross ) );
            wc_add_order_item_meta( $item_id, '_line_tax', wc_format_decimal( 0 ) );
            wc_add_order_item_meta( $item_id, '_line_subtotal_tax', wc_format_decimal( 0 ) );

        }

        // set order status as completed
        wp_set_object_terms( $order_id, 'completed', 'shop_order_status' );

        // if downloadable 
        if( $product->is_downloadable() ) {

            // add downloadable permission for each file
            $download_files = $product->get_files();
            foreach ( $download_files as $download_id => $file ) {
                wc_downloadable_file_permission( $download_id, $product->id, new WC_Order( $order_id ) );
            }

        }

    } else {

        $order->errors = 'Product SKU (' . $order->$item_id . ') not found.';
    }
}


function get_product_by_sku( $sku ) {

    global $wpdb;

    $product_id = $wpdb->get_var( $wpdb->prepare( "SELECT post_id FROM $wpdb->postmeta WHERE meta_key='_sku' AND meta_value='%s' LIMIT 1", $sku ) );

    if ( $product_id ) return new WC_Product( $product_id );

    return null;
}

orderClass.php

{
    // public vars
    public $date;
    public $time;
    public $time_zone;
    public $first_name;
    public $middle_name;
    public $last_name;
    public $type;
    public $status;
    public $currency;
    public $gross;
    public $fee;
    public $net;
    public $note;
    public $to_email;
    public $from_email;
    public $transaction_id;
    public $counterparty_status;
    public $address_status;
    public $item_title;
    public $item_id;
    public $address_line_1;
    public $address_line_2;
    public $city;
    public $state;
    public $zip;
    public $country;
    public $phone;
    public $imported;
    public $errors;
}