/**
 * Displays a modal for confirmation with the "body" modal
 * body, then executes the given callback on confirmation.
 *
 * @param  body        String
 * @param  callback    Function
 * @param  $extraField object    Dom object for the extra field to be added
 * @param  auto_close  boolean   Auto close the modal on clicking confirmation or not
 * @return void
 */
function confirmModal(body, callback, $extraField=null, auto_close=false) {
    const $modal = $('#confirm-modal');
    const $apply = $('#confirm-modal-apply');

    if ( typeof callback !== 'function' ) return;

    $modal.find('#confirm-modal-message').text(body);

    if( $extraField ){
      ($modal.find('.L-extra-field-wrapper')).append($extraField);
    }

    $modal.modal('show');

    $apply.on('click', function () {
        if(auto_close){
          $modal.modal('hide');
        }
        callback();
    });
    $modal.on('hide.bs.modal', function () {
      if( $extraField ){
        $extraField.remove();
      }
    });
    $modal.on('hidden.bs.modal', function () { $apply.off('click'); });
}