+global\WPInv_Ajax::buy_items()

Complexity

Conditions	30
Paths	193

Size

Total Lines	141
Code Lines	76

Duplication

Lines	6
Ratio	4.26 %

Importance

Changes

0

<?php
    public static function buy_items() {
        $user_id = get_current_user_id();

        if ( empty( $user_id ) ) { // If not logged in then lets redirect to the login page
            wp_send_json( array(
                'success' => wp_login_url( wp_get_referer() )
            ) );
        } else {
            // Only check nonce if logged in as it could be cached when logged out.
            if ( ! isset( $_POST['wpinv_buy_nonce'] ) || ! wp_verify_nonce( $_POST['wpinv_buy_nonce'], 'wpinv_buy_items' ) ) {
                wp_send_json( array(
                    'error' => __( 'Security checks failed.', 'invoicing' )
                ) );
                wp_die();
            }

            // allow to set a custom price through post_id
            $items = $_POST['items'];
            $related_post_id = isset( $_POST['post_id'] ) ? (int)$_POST['post_id'] : 0;
            $custom_item_price = $related_post_id ? abs( get_post_meta( $related_post_id, '_wpi_custom_price', true ) ) : 0;

            $cart_items = array();
            if ( $items ) {
                $items = explode( ',', $items );

                foreach( $items as $item ) {
                    $item_id = $item;
                    $quantity = 1;

                    if ( strpos( $item, '|' ) !== false ) {
                        $item_parts = explode( '|', $item );
                        $item_id = $item_parts[0];
                        $quantity = $item_parts[1];
                    }

                    if ( $item_id && $quantity ) {
                        $cart_items_arr = array(
                            'id'            => (int)$item_id,
                            'quantity'      => (int)$quantity
                        );

                        // If there is a related post id then add it to meta
                        if ( $related_post_id ) {
                            $cart_items_arr['meta'] = array(
                                'post_id'   => $related_post_id
                            );
                        }

                        // If there is a custom price then set it.
                        if ( $custom_item_price ) {
                            $cart_items_arr['custom_price'] = $custom_item_price;
                        }

                        $cart_items[] = $cart_items_arr;
                    }
                }
            }

            /**
             * Filter the wpinv_buy shortcode cart items on the fly.
             *
             * @param array $cart_items The cart items array.
             * @param int $related_post_id The related post id if any.
             * @since 1.0.0
             */
            $cart_items = apply_filters( 'wpinv_buy_cart_items', $cart_items, $related_post_id );

            // Make sure its not in the cart already, if it is then redirect to checkout.
            $cart_invoice = wpinv_get_invoice_cart();

            if ( isset( $cart_invoice->items ) && !empty( $cart_invoice->items ) && !empty( $cart_items ) && serialize( $cart_invoice->items ) == serialize( $cart_items ) ) {
                wp_send_json( array(
                    'success' =>  $cart_invoice->get_checkout_payment_url()
                ) );
                wp_die();
            }

            // Check if user has invoice with same items waiting to be paid.
            $user_invoices = wpinv_get_users_invoices( $user_id , 10 , false , 'wpi-pending' );
            if ( !empty( $user_invoices ) ) {
                foreach( $user_invoices as $user_invoice ) {
                    $user_cart_details = array();
                    $invoice  = wpinv_get_invoice( $user_invoice->ID );
                    $cart_details = $invoice->get_cart_details();

                    if ( !empty( $cart_details ) ) {
                        foreach ( $cart_details as $invoice_item ) {
                            $ii_arr = array();
                            $ii_arr['id'] = (int)$invoice_item['id'];
                            $ii_arr['quantity'] = (int)$invoice_item['quantity'];

                            if (isset( $invoice_item['meta'] ) && !empty( $invoice_item['meta'] ) ) {
                                $ii_arr['meta'] = $invoice_item['meta'];
                            }

                            if ( isset( $invoice_item['custom_price'] ) && !empty( $invoice_item['custom_price'] ) ) {
                                $ii_arr['custom_price'] = $invoice_item['custom_price'];
                            }

                            $user_cart_details[] = $ii_arr;
                        }
                    }

                    if ( !empty( $user_cart_details ) && serialize( $cart_items ) == serialize( $user_cart_details ) ) {
                        wp_send_json( array(
                            'success' =>  $invoice->get_checkout_payment_url()
                        ) );
                        wp_die();
                    }
                }
            }

            // Create invoice and send user to checkout
            if ( !empty( $cart_items ) ) {
                $invoice_data = array(
                    'status'        =>  'wpi-pending',
                    'created_via'   =>  'wpi',
                    'user_id'       =>  $user_id,
                    'cart_details'  =>  $cart_items,
                );

                $invoice = wpinv_insert_invoice( $invoice_data, true );

                if ( !empty( $invoice ) && isset( $invoice->ID ) ) {
                    wp_send_json( array(
                        'success' =>  $invoice->get_checkout_payment_url()
                    ) );
                } else {
                    wp_send_json( array(
                        'error' => __( 'Invoice failed to create', 'invoicing' )
                    ) );
                }
            } else {
                wp_send_json( array(
                    'error' => __( 'Items not valid.', 'invoicing' )
                ) );
            }
        }

        wp_die();
    }
}
WPInv_Ajax::init();