AyeCode / invoicing

        return apply_filters( 'wpinv_get_item_price', $this->price, $this->ID );

    }

    public function get_vat_rule() {

        global $wpinv_euvat;

        if( !isset( $this->vat_rule ) ) {

            $this->vat_rule = get_post_meta( $this->ID, '_wpinv_vat_rule', true );

            if ( empty( $this->vat_rule ) ) {        

                $this->vat_rule = $wpinv_euvat->allow_vat_rules() ? 'digital' : 'physical';

            }

        }

        return apply_filters( 'wpinv_get_item_vat_rule', $this->vat_rule, $this->ID );

    }

    public function get_vat_class() {

        if( !isset( $this->vat_class ) ) {

        return apply_filters( 'wpinv_get_item_vat_rule', $this->vat_rule, $this->ID );

    }

    public function get_vat_class() {

        if( !isset( $this->vat_class ) ) {

            $this->vat_class = get_post_meta( $this->ID, '_wpinv_vat_class', true );

            if ( empty( $this->vat_class ) ) {        

                $this->vat_class = '_standard';

            }

        }

        return apply_filters( 'wpinv_get_item_vat_class', $this->vat_class, $this->ID );

    }

    public function get_type() {

        if( ! isset( $this->type ) ) {

        return apply_filters( 'wpinv_get_item_vat_class', $this->vat_class, $this->ID );

    }

    public function get_type() {

        if( ! isset( $this->type ) ) {

            $this->type = get_post_meta( $this->ID, '_wpinv_type', true );

            if ( empty( $this->type ) ) {

                $this->type = 'custom';

            }

        }

        return apply_filters( 'wpinv_get_item_type', $this->type, $this->ID );

    }

    public function get_custom_id() {

        $custom_id = get_post_meta( $this->ID, '_wpinv_custom_id', true );