Can anyone help me rewrite this callback code properly

Below is the code that calculates the ratio and collapses the number according to my requirements. However I don't know how to make the divisor and multiplier fields appear as dynamic tags. Can someone help me rewrite it correctly?

 

 

 

// Nếu file này được gọi trực tiếp, thì dừng lại.

if ( ! defined( 'WPINC' ) ) {

die();

}

 

class Custom_Proportional_Format_Currency_Callback {

 

public static $instance = null;

 

public function __construct() {

add_filter( 'jet-engine/listings/allowed-callbacks', array( $this, 'add_custom_callback' ), 10, 2 );

add_filter( 'jet-engine/listing/dynamic-field/callback-args', array( $this, 'add_field_to_args' ), 10, 3 );

add_filter( 'jet-engine/listings/allowed-callbacks-args', array( $this, 'callback_controls' ) );

}

 

public function add_custom_callback( $callbacks ) {

$callbacks['custom_proportional_and_format_currency'] = 'Proportional and Format Currency';

return $callbacks;

}

 

public function callback_controls( $args = array() ) {

$args['divisor'] = array(

'label'       => esc_html__( 'Divisor', 'jet-engine' ),

'type'        => 'number',

'default'     => 1,

'label_block' => true,

'dynamic_tags' => array(

'enabled' => true,

),

'condition'   => array(

'dynamic_field_filter' => 'yes',

'filter_callback'      => array( 'custom_proportional_and_format_currency' ),

),

);

 

$args['multiplier'] = array(

'label'       => esc_html__( 'Multiplier', 'jet-engine' ),

'type'        => 'number',

'default'     => 1,

'label_block' => true,

'dynamic_tags' => array(

'enabled' => true,

),

'condition'   => array(

'dynamic_field_filter' => 'yes',

'filter_callback'      => array( 'custom_proportional_and_format_currency' ),

),

);

 

return $args;

}

 

public function calculated_field( $field_value = null, $divisor = 1, $multiplier = 1 ) {

if ( ! $divisor || ! $multiplier ) {

return $field_value;

}

$proportional_value = ( $field_value / $divisor ) * $multiplier;

return $this->format_currency( $proportional_value );

}

 

public function format_currency( $number ) {

if ( $number >= 1000000000 ) {

return number_format( $number / 1000000000, 0, ',', ',' ) . ' tỷ';

} elseif ( $number >= 1000000 ) {

return number_format( $number / 1000000, 0, ',', ',' ) . ' triệu';

} elseif ( $number >= 1000 ) {

return number_format( $number / 1000, 0, ',', ',' ) . ' ngàn';

} else {

return number_format( $number, 0, ',', ',' );

}

}

 

public function add_field_to_args( $args, $callback, $settings = array() ) {

if ( 'custom_proportional_and_format_currency' === $callback ) {

$args[] = isset( $settings['divisor'] ) ? $settings['divisor'] : 1;

$args[] = isset( $settings['multiplier'] ) ? $settings['multiplier'] : 1;

}

return $args;

}

 

public static function instance() {

if ( is_null( self::$instance ) ) {

self::$instance = new self();

}

return self::$instance;

}

}

 

Custom_Proportional_Format_Currency_Callback::instance();

 

function custom_proportional_and_format_currency( $field_value = null, $divisor = 1, $multiplier = 1 ) {

try {

$result = Custom_Proportional_Format_Currency_Callback::instance()->calculated_field( $field_value, $divisor, $multiplier );

} catch( Exception $e ) {

return $e->getMessage();

}

return $result;

}