<?php if ( ! defined( 'ABSPATH' ) ) exit;

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/**

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* Class NF_Fields_Product

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*/

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class NF_Fields_Product extends NF_Abstracts_Input

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{

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protected $_name = 'product';

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protected $_section = '';

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protected $_icon = 'tag';

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protected $_aliases = array();

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protected $_type = 'product';

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protected $_templates = array( 'product', 'textbox', 'hidden', 'listselect' );

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protected $_test_value = '0';

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protected $processing_fields = array( 'quantity', 'modifier', 'shipping', 'tax', 'total' );

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protected $_settings = array( 'product_use_quantity', 'product_price', 'product_type', 'product_type' );

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protected $_settings_exclude = array( 'input_limit_set', 'disable_input', 'required' );

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public function __construct()

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{

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parent::__construct();

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$this->_nicename = esc_html__( 'Product', 'ninja-forms' );

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$this->_settings[ 'product_price' ][ 'width' ] = 'full';

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add_filter( 'ninja_forms_merge_tag_value_product', array( $this, 'merge_tag_value' ), 10, 2 );

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add_filter( 'ninja_forms_custom_columns', array( $this, 'custom_columns' ), 10, 3 );

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add_filter( 'ninja_forms_merge_tag_calc_value_product', array( $this, 'merge_tag_value' ), 10, 2 );

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add_filter( 'ninja_forms_localize_field_' . $this->_name, array( $this, 'filter_required_setting' ) );

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add_filter( 'ninja_forms_localize_field_' . $this->_name . '_preview', array( $this, 'filter_required_setting' ) );

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}

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public function process( $product, $data )

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{

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$related = array();

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foreach( $data[ 'fields' ] as $key => $field ){

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if( ! isset ( $field[ 'type' ] ) || ! in_array( $field[ 'type' ], $this->processing_fields ) ) continue;

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$type = $field[ 'type' ];

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if( ! isset( $field[ 'product_assignment' ] ) ) continue;

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if( $product[ 'id' ] != $field[ 'product_assignment' ] ) continue;

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$related[ $type ] = &$data[ 'fields' ][ $key ]; // Assign by reference

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}

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//TODO: Does not work in non-English locales

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$total = str_replace( array( ',', '$' ), '', $product[ 'product_price' ] );

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$total = floatval( $total );

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if( isset( $related[ 'quantity' ][ 'value' ] ) && $related[ 'quantity' ][ 'value' ] ){

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$total = $total * $related[ 'quantity' ][ 'value' ];

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} elseif( $product[ 'product_use_quantity'] && $product[ 'value' ] ){

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$total = $total * $product[ 'value' ];

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}

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if( isset( $related[ 'modifier' ] ) ){

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//TODO: Handle multiple modifiers.

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}

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$data[ 'product_totals' ][] = number_format( $total, 2 );

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$data[ 'extra' ][ 'product_fields' ][ $product[ 'id' ] ][ 'product_price' ] = $product[ 'settings' ][ 'product_price' ];

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return $data;

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}

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/**

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* Validate

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*

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* @param $field

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* @param $data

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* @return array $errors

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*/

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public function validate( $field, $data )

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{

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$errors = array();

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if( isset( $field[ 'product_use_quantity' ] ) && 1 == $field[ 'product_use_quantity' ] ){

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// Required check.

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if( isset( $field['required'] ) && 1 == $field['required'] && ! trim( $field['value'] ) ){

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$errors[] = 'Field is required.';

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}

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}

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return $errors;

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}

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public function filter_required_setting( $field )

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{

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if( ! isset( $field[ 'settings' ][ 'product_use_quantity' ] ) || 1 != $field[ 'settings' ][ 'product_use_quantity' ] ) {

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$field[ 'settings' ][ 'required' ] = 0;

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}

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return $field;

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}

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public function merge_tag_value( $value, $field )

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{

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// TODO: Replaced this to fix English locales.

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// Other locales are still broken and will need to be addressed in refactor.

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// $product_price = preg_replace ('/[^\d,\.]/', '', $field[ 'product_price' ] );

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$product_price = (float) str_replace( array( ',', $this->getCurrencySymbol() ), '', $field[ 'product_price' ] );

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$product_quantity = ( isset( $field[ 'product_use_quantity' ] ) && 1 == $field[ 'product_use_quantity' ] ) ?(float) $value : 1;

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return number_format( $product_price * $product_quantity, 2 );

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}

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public function custom_columns( $value, $field, $sub_id )

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{

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if ( ! $field->get_setting( 'product_use_quantity' ) ) return $value;

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if ( 0 == absint( $_REQUEST[ 'form_id' ] ) ) return $value;

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$form_id = absint( $_REQUEST[ 'form_id' ] );

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/*

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* Check to see if we have a stored "price" setting for this field.

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* This lets us track what the value was when the user submitted so that total isn't incorrect if the user changes the price after a submission.

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*/

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$sub = Ninja_Forms()->form()->get_sub( $sub_id );

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$product_fields = $sub->get_extra_value( 'product_fields' );

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if( is_array( $product_fields ) && isset ( $product_fields[ $field->get_id() ] ) ) {

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$price = $product_fields[ $field->get_id() ][ 'product_price' ];

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} else {

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$price = $field->get_setting( 'product_price' );

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}

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/*

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* Get our currency marker setting. First, we check the form, then plugin settings.

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*/

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$currency = Ninja_Forms()->form( $form_id )->get()->get_setting( 'currency' );

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if ( empty( $currency ) ) {

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/*

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* Check our plugin currency.

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*/

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$currency = Ninja_Forms()->get_setting( 'currency' );

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}

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$currency_symbols = Ninja_Forms::config( 'CurrencySymbol' );

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$currency_symbol = html_entity_decode( $currency_symbols[ $currency ] );

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// @todo Update to use the locale of the form.

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global $wp_locale;

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$price = str_replace( array( $wp_locale->number_format[ 'thousands_sep' ], $currency_symbol ), '', $price );

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$price = floatval( $price );

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$value = intval( $value );

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$total = number_format_i18n( $price * $value, 2 );

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$output = $currency_symbol . $total . ' ( ' . $value . ' ) ';

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return $output;

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}

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public function admin_form_element( $id, $value )

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{

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$form_id = get_post_meta( absint( $_GET[ 'post' ] ), '_form_id', true );

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$field = Ninja_Forms()->form( $form_id )->get_field( $id );

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/*

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* Check to see if we have a stored "price" setting for this field.

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* This lets us track what the value was when the user submitted so that total isn't incorrect if the user changes the price after a submission.

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*/

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$sub = Ninja_Forms()->form()->get_sub( absint( $_REQUEST[ 'post' ] ) );

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$product_fields = $sub->get_extra_value( 'product_fields' );

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if( is_array( $product_fields ) && isset ( $product_fields[ $id ] ) ) {

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$price = $product_fields[ $id ][ 'product_price' ];

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} else {

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$price = $field->get_setting( 'product_price' );

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}

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/*

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* Get our currency marker setting. First, we check the form, then plugin settings.

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*/

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$currency = Ninja_Forms()->form( $form_id )->get()->get_setting( 'currency' );

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if ( empty( $currency ) ) {

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/*

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* Check our plugin currency.

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*/

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$currency = Ninja_Forms()->get_setting( 'currency' );

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}

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$currency_symbols = Ninja_Forms::config( 'CurrencySymbol' );

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$currency_symbol = html_entity_decode( $currency_symbols[ $currency ] );

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// @todo Update to use the locale of the form.

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global $wp_locale;

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$price = str_replace( array( $wp_locale->number_format[ 'thousands_sep' ], $currency_symbol ), '', $price );

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$price = floatval( $price );

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$value = intval( $value );

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$total = number_format_i18n( $price * $value, 2 );

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$price = number_format_i18n( $price, 2 );

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return "Price: <strong>" . $currency_symbol . $price . "</strong> X Quantity: <input name='fields[$id]' type='number' value='" . $value . "'> = " . $currency_symbol . $total;

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}

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/**

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* Determine currency symbol

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*

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* @return string

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*/

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protected function getCurrencySymbol(): string

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{

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$currencySymbolLookup = Ninja_Forms::config('CurrencySymbol');

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$currency = Ninja_Forms()->get_setting('currency');

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if (!is_string($currency)) {

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return '';

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}

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$return = isset($currencySymbolLookup[$currency]) ? $currencySymbolLookup[$currency] : '';

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return $return;

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}

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}

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