gistfile1.txt

/* Adding Rest API To person */
function golf_modify_custom_post_type( $args, $post_type ) {
  if ( $post_type == 'golf_person' ) {
    $args['show_in_rest'] = true;
    $args['rest_base'] = 'custom';
  }
  return $args;
}
add_filter('register_post_type_args', 'golf_modify_custom_post_type', 10, 2);


function golf_get_player_items() {

  /* Old query to grab all of the posts from golf_person post type */
  $args = array(
    'post_type' => 'golf_person',
    'post_status' => 'publish',
    'posts_per_page'   => -1, // all posts
    'meta_query' => array(
      array(
        'key'     => 'person_type',
        'value'   => 'Player',
        'compare' => '=',
      ),
    ),
  );
 
  $items = array();
 
  if ( $posts = get_posts( $args ) ) {
    foreach ( $posts as $post ) {
      $items[] = array(
        'id' => $post->ID,
        'title' => $post->post_title,
        'permalink' => get_permalink( $post->ID )
      );
    }
  }
  return $items;
}
 
 
function golf_register_api_endpoints() {
  register_rest_route( 'players/v2', '/posts', array(
    'methods' => 'GET',
    'callback' => 'golf_get_player_items',
  ) );
}
 
add_action( 'rest_api_init', 'golf_register_api_endpoints' );



function theme_autocomplete_dropdown_shortcode( $atts ) {
  return '<input type="text" name="autocomplete" id="autocomplete" value="" placeholder="Search by typing player name..." />';
}
add_shortcode( 'autocomplete', 'theme_autocomplete_dropdown_shortcode' );

function theme_autocomplete_js() {

  // $args = array(
  //   'post_type' => 'golf_person',
  //   'post_status' => 'publish',
  //   'posts_per_page'   => -1, // all posts
  //   'meta_query' => array(
  //     array(
  //       'key'     => 'person_type',
  //       'value'   => 'Player',
  //       'compare' => '=',
  //     ),
  //   ),
  // );

  // $posts = get_posts( $args );

  //var_dump($posts);

    // if( $posts ) :
    //   foreach( $posts as $k => $post ) {
    //     $source[$k]['ID'] = $post->ID;
    //     $source[$k]['label'] = $post->post_title; // The name of the post
    //     $source[$k]['permalink'] = get_permalink( $post->ID );
    //   }

  ?>
  <script type="text/javascript">
    jQuery(document).ready(function($){
      //var posts = <?php //echo json_encode( array_values( $source ) ); ?>;

      jQuery( 'input[name="autocomplete"]' ).autocomplete({
            source: '<?php echo wp_json_encode( esc_url_raw( rest_url( 'players/v2/posts' ) ) ); ?>',,
            minLength: 3,
            select: function(event, ui) {
                var permalink = ui.item.permalink; // Get permalink from the datasource

                window.location.replace(permalink);
            }
        });
    });    
  </script>
  <?php
  //endif;
}
add_action( 'wp_footer', 'theme_autocomplete_js' );