File admin/meta-boxes/class-wc-braintree-meta-box-subscription-order-data.php

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<?php

/**
 *
 * @since 3.0.0
 * @package Braintree/Admin
 *
 */
class WC_Braintree_Meta_Box_Subscription_Order_Data {

    private static $processing_update = false;

    private static $calculating_totals = false;

    private static $_new_order_item = false;

    /**
     *
     * @var WC_Order
     */
    private static $current_order = null;

    public static function init() {
        add_action( 'woocommerce_process_shop_order_meta', array( __CLASS__, 'save' ), 60, 2 );
        add_action( 'woocommerce_order_before_calculate_taxes', array( __CLASS__, 'before_calculate_totals' ), 10, 2 );
        add_action( 'woocommerce_order_after_calculate_totals', array( __CLASS__, 'after_calculate_totals' ) );
        add_action( 'woocommerce_order_before_calculate_totals', array( __CLASS__, 'before_calculate_totals' ), 10, 2 );
        /*
         * add_action ( 'woocommerce_order_after_calculate_totals', array(
         * __CLASS__, 'after_calculate_totals'
         * ) );
         */
        add_action( 'woocommerce_ajax_add_order_item_meta', array( __CLASS__, 'validate_order_item' ), 10, 3 );
        add_action( 'add_meta_boxes', array( __CLASS__, 'add_meta_boxes' ), 40, 2 );
        add_action( 'woocommerce_new_order_item', array( __CLASS__, 'new_order_item' ), 10, 3 );
        add_action( 'woocommerce_update_order_item', array( __CLASS__, 'update_order_item' ), 10, 3 );
        add_action( 'woocommerce_before_delete_order_item', array( __CLASS__, 'delete_order_item' ) );
    }

    public static function add_meta_boxes( $post_type, $post ) {
        if ( $post_type === 'bfwc_subscription' ) {
            add_meta_box( 'wcs-braintree-related-orders', __( 'Related Orders', 'woo-payment-gateway' ), array( __CLASS__, 'subscription_related_orders_view' ), 'bfwc_subscription', 'normal', 'default' );
        }
        if ( $post_type === 'shop_order' ) {
            add_meta_box( 'wcs-braintree-related-orders', __( 'Related Subscriptions', 'woo-payment-gateway' ), array( __CLASS__, 'related_orders_view' ), 'shop_order', 'normal', 'default' );
        }
        add_filter( 'wc_order_statuses', array( __CLASS__, 'order_statuses' ) );
    }

    /**
     *
     * @param WP_Post $post
     */
    public static function subscription_related_orders_view( $post ) {
        $subscription = wcs_braintree_get_subscription( $post->ID );
        $orders       = wcs_braintree_get_related_orders( $subscription );
        include 'views/html-subscription-related-orders.php';
    }

    public static function related_orders_view( $post ) {
        $order           = wc_get_order( $post->ID );
        $subscription_id = $order->get_meta( '_subscription_id', true );
        if ( wcs_braintree_order_contains_subscription( $order ) || $subscription_id ) {
            $subscriptions = wcs_braintree_get_subscriptions_for_order( $order );
            if ( empty( $subscriptions ) ) {
                $subscriptions[] = wcs_braintree_get_subscription( $subscription_id );
            }
            include 'views/html-related-orders.php';
        }
    }

    public static function order_statuses( $statuses ) {
        if ( self::is_subscription_type() ) {
            $statuses = array_merge( $statuses, wcs_braintree_get_subscription_statuses() );
        }
        return $statuses;
    }

    private static function is_subscription_type() {
        $screen    = get_current_screen();
        $screen_id = $screen ? $screen->id : '';
        return $screen_id === 'bfwc_subscription';
    }

    /**
     *
     * @param WC_Order $order
     */
    private static function order_is_subscription( $order ) {
        return $order && 'bfwc_subscription' === $order->get_type();
    }

    /**
     *
     * @param bool $and_taxes
     * @param WC_order $order
     */
    public static function before_calculate_totals( $and_taxes, $order ) {
        self::$calculating_totals = true;
        self::$current_order      = $order;
        add_filter( 'woocommerce_order_item_get_total', array( __CLASS__, 'get_item_total' ), 10, 2 );
        add_filter( 'woocommerce_order_item_get_subtotal', array( __CLASS__, 'get_item_total' ), 10, 2 );
    }

    public static function after_calculate_totals() {
        self::$calculating_totals = false;
        remove_filter( 'woocommerce_order_item_get_total', array( __CLASS__, 'get_item_total' ) );
        remove_filter( 'woocommerce_order_item_get_subtotal', array( __CLASS__, 'get_item_total' ) );
    }

    /**
     *
     * @param float $total
     * @param WC_Order_Item $item
     */
    public static function get_item_total( $total, $item ) {
        if ( 'line_item' === $item->get_type() ) {
            if ( ! self::order_is_subscription( $item->get_order() ) ) {
                $product = $item->get_product();
                if ( wcs_braintree_product_is_subscription( $product ) ) {
                    if ( $product->has_trial() ) {
                        $total = 0;
                    }
                }
            }
        }
        return $total;
    }

    public static function save( $post_id, $post ) {
        $shop_order = wc_get_order( $post_id );
        if ( self::order_is_subscription( $shop_order ) ) {
            $subscription = wcs_braintree_get_subscription( $post_id );
            if ( ! $subscription->is_created() ) {
                // A subscription needs an order associated with it.
                $order_id = $subscription->get_parent_id();
                if ( ! $order_id ) {
                    $order = wc_create_order(
                        array(
                            'created_via' => 'admin',
                            'customer_id' => $subscription->get_customer_id(),
                        )
                    );
                    $order->set_address( $subscription->get_address( 'billing' ), 'billing' );
                    $order->set_address( $subscription->get_address( 'shipping' ), 'shipping' );
                    $order->set_status( wc_clean( $_POST['order_status'] ) );
                    $subscription->set_parent_id( $order->get_id() );
                    $subscription->save();
                } else {
                    $order = wc_get_order( $order_id );
                }
            }
        } else {
            if ( wcs_braintree_order_contains_subscription( $shop_order ) ) {
                foreach ( wcs_braintree_get_subscriptions_for_order( $shop_order ) as $subscription ) {
                    if ( $subscription->has_status( array( 'pending' ) ) ) {
                        WC_Meta_Box_Order_Data::save( $subscription->get_id() );
                    }
                }
            }
        }
    }

    /**
     *
     * @param WC_Braintree_Subscription $subscription
     * @param WC_Order_Item_Product $item
     */
    private static function add_subscription_props( $subscription, $item ) {
        $product            = $item->get_product();
        $start_date         = wcs_braintree_calculate_start_date();
        $first_payment_date = wcs_braintree_calculate_first_payment_date( $product->get_subscription_trial_period(), $product->get_subscription_trial_length() );
        $next_payment_date  = $product->has_trial() ? $first_payment_date : wcs_braintree_calculate_next_payment_date( $first_payment_date, $product->get_subscription_period(), $product->get_subscription_period_interval() );
        $end_date           = wcs_braintree_calculate_end_date( $product->get_subscription_length(), $product->get_subscription_period(), $product->get_subscription_trial_period(), $product->get_subscription_trial_length() );
        $subscription->set_props(
            array(
                'recurring_cart_key'           => wcs_braintree_get_recurring_cart_key( $product ),
                'start_date'                   => $start_date,
                'next_payment_date'            => $next_payment_date,
                'first_payment_date'           => $first_payment_date,
                'end_date'                     => $end_date,
                'trial_end_date'               => $first_payment_date,
                'subscription_trial_length'    => $product->get_subscription_trial_length(),
                'subscription_trial_period'    => $product->get_subscription_trial_period(),
                'braintree_plan'               => wcs_braintree_get_plan_from_product( $product ),
                'subscription_period'          => $product->get_subscription_period(),
                'subscription_period_interval' => $product->get_subscription_period_interval(),
                'subscription_length'          => $product->get_subscription_length(),
                'merchant_account_id'          => wc_braintree_get_merchant_account(),
                'created_in_braintree'         => false,
            )
        );
    }

    /**
     * Method that validates all order items in a subscription.
     * If un-like products are added to the subscription, the item is deleted from the
     * subscription and an error is triggered.
     *
     * @param WC_Order_Item[] $added_items
     * @param WC_Order $order
     */
    public static function validate_order_item( $item_id, $item, $order ) {
        try {
            if ( self::order_is_subscription( $order ) ) {
                foreach ( $order->get_items( 'line_item' ) as $line_item ) {
                    $keys = array(
                        wcs_braintree_get_recurring_cart_key( $item->get_product() ),
                        wcs_braintree_get_recurring_cart_key( $line_item->get_product() ),
                    );
                    if ( count( array_unique( $keys ) ) > 1 ) {
                        throw new Exception( sprintf( __( 'Product %1$s cannot be assigned to this subscription. Reason: the products do not have the same billing schedule.', 'woo-payment-gateway' ), $item->get_product()->get_name() ) );
                    }
                }
            }
        } catch ( Exception $e ) {
            wc_delete_order_item( $item_id );
            throw new Exception( $e->getMessage() );
        }
    }

    /**
     *
     * @param int $item_id
     * @param WC_Order_Item $item
     * @param int $order_id
     */
    public static function new_order_item( $item_id, $item, $order_id ) {
        if ( ! self::$_new_order_item && 'line_item' === $item->get_type() ) {
            /*
             * remove_action ( 'woocommerce_new_order_item', array(
             * __CLASS__, 'new_order_item'
             * ) );
             */
            self::$_new_order_item = true;
            $shop_order            = wc_get_order( $order_id );
            $item_order_id         = 0;
            if ( self::order_is_subscription( $shop_order ) ) {
                if ( ( $order = wc_get_order( $shop_order->get_parent_id() ) ) == false ) {
                    $order = wc_create_order( array( 'customer_id' => $shop_order->get_customer_id() ) );
                    $shop_order->set_parent_id( $order->get_id() );
                    $shop_order->save();
                }
                self::add_subscription_props( $shop_order, $item );
                $shop_order->save();
                $item_order_id = $order->get_id();
            } elseif ( is_a( $shop_order, 'WC_Order' ) ) {
                if ( wcs_braintree_product_is_subscription( $item->get_product() ) ) {
                    $cart_key     = wcs_braintree_get_recurring_cart_key( $item->get_product() );
                    $subscription = wcs_braintree_get_subscription_from_recurring_cart_key( $cart_key, $shop_order->get_id() );
                    if ( ! $subscription ) {
                        $subscription = new WC_Braintree_Subscription();
                        $subscription->set_customer_id( $shop_order->get_customer_id() );
                        $subscription->set_parent_id( $shop_order->get_id() );
                        $subscription->set_recurring_cart_key( $cart_key );
                        self::add_subscription_props( $subscription, $item );
                        $subscription->save();
                    }
                    $item_order_id = $subscription->get_id();
                }
            }
            if ( $item_order_id ) {
                // this is a subscription item
                /**
                 *
                 * @var WC_Order_Item_Data_Store $data_store
                 */
                $data_store = WC_Data_Store::load( 'order-item' );
                $new_item   = clone $item;
                $new_item->set_id( 0 );
                $new_item->set_order_id( $item_order_id );
                $new_item->add_meta_data( '_reference_item', $item->get_id() );
                $new_item->save();
                // save using data store so it's silent and update item hook isn't called.
                $data_store->update_metadata( $item_id, '_reference_item', $new_item->get_id() );
                $shop_order->calculate_totals();
                wc_get_order( $item_order_id )->calculate_totals();
            }
            self::$_new_order_item = false;
        }
    }

    /**
     *
     * @param int $item_id
     * @param WC_Order_Item $item
     * @param int $order_id
     */
    public static function update_order_item( $item_id, $item, $order_id ) {
        if ( self::$processing_update ) {
            return;
        }
        self::$processing_update = true;
        $shop_order              = wc_get_order( $order_id );
        $reference_item          = WC_Order_Factory::get_order_item( $item->get_meta( '_reference_item' ), true );
        if ( 'line_item' === $item->get_type() && $reference_item ) {
            $reference_item->set_props(
                array(
                    'quantity' => $item->get_quantity(),
                    'subtotal' => $item->get_subtotal(),
                    'total'    => $item->get_total(),
                )
            );
            $reference_item->save();
            $reference_item->get_order()->calculate_totals();
        }
        self::$processing_update = false;
    }

    /**
     *
     * @param int $item_id
     */
    public static function delete_order_item( $item_id ) {
        /**
         *
         * @var WC_Order_Item_Data_Store $data_store
         */
        $data_store = WC_Data_Store::load( 'order-item' );
        $item       = WC_Order_Factory::get_order_item( $item_id );
        if ( false === $item ) {
            return;
        }
        $shop_order        = $item->get_order();
        $reference_item_id = $item->get_meta( '_reference_item', true );
        if ( $reference_item_id ) {
            $reference_item = WC_Order_Factory::get_order_item( $reference_item_id );
            $order          = $reference_item->get_order();
            if ( self::order_is_subscription( $order ) ) {
                $order->set_recurring_cart_key( '' );
                $order->save();
            }
            $data_store->delete_order_item( $reference_item_id );
        }
        if ( self::order_is_subscription( $shop_order ) ) {
            $shop_order->set_recurring_cart_key( '' );
            $shop_order->save();
        }
    }
}
WC_Braintree_Meta_Box_Subscription_Order_Data::init();

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