GF Plugin Exporting Spam

gf-plugin-part.php

<?php
/**
 * Class Lowry_GF_Exporting
 *
 * Customizes exporting entries. Specifically to include spam entries.
 *
 * @since {{VERSION}}
 */

// Exit if accessed directly
defined( 'ABSPATH' ) || die();

class Lowry_GF_Exporting {

	/**
	 * Lowry_GF_Exporting constructor.
	 *
	 * @since {{VERSION}}
	 */
	function __construct() {

		add_filter( 'gform_leads_before_export', array( $this, 'modify_entries_before_export' ), 100, 3 );

		if ( isset( $_REQUEST['gf_spam_only'] ) ) {
			add_action( 'admin_print_footer_scripts', array( $this, 'output_spam_only_script' ) );
		}
	}

	/**
	 * Modifies entries before being exported.
	 *
	 * @since {{VERSION}}
	 * @access private
	 *
	 * @param array $entries
	 * @param array $form
	 * @param array $paging
	 *
	 * @return array
	 */
	function modify_entries_before_export( $entries, $form, $paging ) {

		if ( isset( $_REQUEST['gf_spam_only'] ) ) {
			$entries = $this->get_spammed_entries( $form['id'] );
		}

		return $entries;
	}

	/**
	 * Returns a form's spammed entries.
	 *
	 * @since {{VERSION}}
	 * @access private
	 *
	 * @param int|string $form_ID
	 *
	 * @return array
	 */
	private function get_spammed_entries( $form_ID ) {

		$entries = GFAPI::get_entries( $form_ID, array(
			'status' => 'spam',
		) );

		return $entries;
	}

	/**
	 * Outputs the footer javascript for manipulating the export form to tell it to only export spam.
	 *
	 * @since {{VERSION}}
	 * @access private
	 */
	function output_spam_only_script() {
		?>
        <script type="text/javascript">
            (function ($) {
                $(function () {

                    var $form = $('#gform_export');

                    if ( !$form.length ) {
                        return;
                    }

                    $form.append('<input type="hidden" name="gf_spam_only" value="1" />');
                });
            })(jQuery);
        </script>
		<?php
	}
}