58 lines
1.7 KiB
PHP
58 lines
1.7 KiB
PHP
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<?php if ( ! defined( 'ABSPATH' ) ) exit;
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class NF_AJAX_Controllers_Fields extends NF_Abstracts_Controller
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{
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private $publish_processing;
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public function __construct()
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{
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// Ajax call handed in 'maybe_delete_field' in this file
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add_action( 'wp_ajax_nf_maybe_delete_field', array( $this,
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'maybe_delete_field' ) );
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}
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/**
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* Check if the field has data, if so let the front-end know to show
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* delete field modal
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*/
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public function maybe_delete_field() {
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// Does the current user have admin privileges
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if (!current_user_can(apply_filters('ninja_forms_admin_all_forms_capabilities', 'manage_options'))) {
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$this->_data['errors'] = esc_html__('Access denied. You must have admin privileges to perform this action.', 'ninja-forms');
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$this->_respond();
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}
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// If we don't have a nonce...
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// OR if the nonce is invalid...
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if (!isset($_REQUEST['security']) || !wp_verify_nonce($_REQUEST['security'], 'ninja_forms_builder_nonce')) {
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// Kick the request out now.
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$this->_data['errors'] = esc_html__('Request forbidden.', 'ninja-forms');
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$this->_respond();
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}
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if (!isset($_REQUEST['fieldID']) || empty($_REQUEST['fieldID'])) {
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$this->_respond();
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}
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$field_id = absint($_REQUEST[ 'fieldID' ]);
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// $field_key = $_REQUEST[ 'fieldKey' ];
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global $wpdb;
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// query for checking postmeta for submission data for field
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$sql = $wpdb->prepare( "SELECT meta_value FROM `" . $wpdb->prefix . "postmeta`
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WHERE meta_key = '_field_%d' LIMIT 1", $field_id );
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$result = $wpdb->get_results( $sql, 'ARRAY_N' );
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$has_data = false;
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// if there are results, has_data is true
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if( 0 < count( $result ) ) {
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$has_data = true;
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}
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$this->_data[ 'field_has_data' ] = $has_data;
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$this->_respond();
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}
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}
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