Distributing posts with correct author about distributor HOT 9 OPEN

<?php

function handle_dt_process_distributor_attributes( $post, $request, $update ) {
  if ( empty( $post ) || is_wp_error( $post ) ) {
    return;
  }

  if ( is_plugin_active( 'co-authors-plus/co-authors-plus.php' ) && ! empty( $request['distributor_coauthors'] ) ) {
    global $coauthors_plus;

    $author_logins = array();

    foreach ( $request['distributor_coauthors'] as $coauthor ) {

      $existing_guest_author = $coauthors_plus->guest_authors->get_guest_author_by( 'user_login', $coauthor['user_login'] );

      if ( ! $existing_guest_author ) {
        $guest_author_id = $coauthors_plus->guest_authors->create( array(
          'display_name' => $coauthor['display_name'],
          'first_name' => $coauthor['first_name'],
          'last_name' => $coauthor['last_name'],
          'user_login' => $coauthor['user_login'],
          'user_nicename' => $coauthor['user_nicename']
        ) );

        if ( is_wp_error( $guest_author_id ) ) {
          error_log("Error creating co-author during Distributor push ".$guest_author_id->get_error_message());
          return;
        }

        if ( !$guest_author_id ) {
          error_log( '-- Failed to create guest author.' );
        }

        if ( ! empty($coauthor['avatar_url']) ) {
          require_once(ABSPATH . 'wp-admin/includes/media.php');
          require_once(ABSPATH . 'wp-admin/includes/file.php');
          require_once(ABSPATH . 'wp-admin/includes/image.php');

          $thumbnail_id = media_sideload_image($coauthor['avatar_url'], $guest_author_id, null, 'id');
          set_post_thumbnail($guest_author_id, $thumbnail_id);
        }

        $guest_author = $coauthors_plus->guest_authors->get_guest_author_by( 'ID', $guest_author_id );
        array_push($author_logins, $guest_author->user_login);
      } else {
        array_push($author_logins, $existing_guest_author->user_login);
      }
    }
    clean_post_cache($post->ID);
    $coauthors_plus->guest_authors->delete_guest_author_cache($author_logins[0]);
  }
}

add_action( 'dt_process_distributor_attributes', 'handle_dt_process_distributor_attributes', 10, 3 );

if ( is_plugin_active( 'co-authors-plus/co-authors-plus.php' ) ) {
  function distributor_coauthors_get_avatar_url( $coauthor ) {
    global $coauthors_plus;
    if ( ! is_object( $coauthor ) ) {
      return '';
    }

    if ( isset( $coauthor->type ) && 'guest-author' == $coauthor->type ) {
      if ( ! has_post_thumbnail( $coauthor->ID ) ) {
        return '';
      }

      $large_image_url = wp_get_attachment_image_src( get_post_thumbnail_id( $coauthor->ID ), 'large' );

      return $large_image_url[0];
    }

    // Make sure we're dealing with an object for which we can retrieve an email
    if ( isset( $coauthor->user_email ) ) {
      return get_avatar( $coauthor->user_email, $size, $default, $alt );
    }

    // Nothing matched, an invalid object was passed.
    return '';
  }
}

function add_dt_push_post_args($post_body, $post, $that) {
  if ( is_plugin_active( 'co-authors-plus/co-authors-plus.php' ) ) {
    $post_body['distributor_coauthors'] = array();

    foreach ( $coauthors as $coauthor ) {
      if( array_key_exists("data", $coauthor) ) {
        // Don't include real WP_Users
        continue;
      }
      $coauthor_arr = (array) $coauthor;
      $coauthor_arr['avatar_url'] = distributor_coauthors_get_avatar_url($coauthor);
      array_push($post_body['distributor_coauthors'], $coauthor_arr);
    }
  }

  return $post_body;
}

add_filter('dt_push_post_args', 'add_dt_push_post_args', 1, 3);

add_filter('dt_push_post_timeout', function($default_timeout, $post) {
  return 30;
}, 1, 2);

if ( defined( 'DT_VERSION' ) ) {
  function setup_distributor_replacements() {
    $post_types = get_post_types(array('show_in_rest' => true));
    foreach ( $post_types as $post_type ) {
      add_action( "rest_insert_{$post_type}", 'process_original_author', 10, 3 );
    }
  }

  function process_original_author( $post, $request, $update ) {
    if ( empty( $post ) || is_wp_error( $post ) ) {
      return;
    }
    if ( ! empty( $request['distributor_original_author'] ) ) {
      $author_obj = $request['distributor_original_author'];
      $new_author = get_user_by( 'email', $author_obj['email'] );
      $author_id = 0;
      if ( ! empty( $new_author ) && ! is_wp_error( $new_author ) ) {
        $author_id = $new_author->ID;
      } else {
        $create_user = wp_insert_user(array(
          'display_name'      => $author_obj['display_name'],
          'first_name'        => $author_obj['first_name'],
          'last_name'         => $author_obj['last_name'],
          'nickname'          => $author_obj['nickname'],
          'user_displayname'  => $author_obj['user_displayname'],
          'user_email'        => $author_obj['user_email'],
          'user_login'        => $author_obj['user_login'],
          'user_nicename'     => $author_obj['user_nicename'],
          'user_pass'         => NULL
        ));
        if ( is_wp_error( $create_user ) ) {
          error_log("Error creating user during Distributor push ".$create_user->get_error_message());
          return;
        }
        $author_id = $create_user;
      }
      wp_update_post( array( 'ID' => $post->ID, 'post_author' => $author_id ) );
    }
  }

  add_action('init', 'setup_distributor_replacements');

  function add_original_author($post_body, $post, $that) {
    $post_author = get_user_by( 'id', $post->post_author );
    $author_obj = array(
      'display_name'  => $post_author->display_name,
      'first_name'    => get_user_meta($post->post_author, 'first_name', true),
      'first_name'    => get_user_meta($post->post_author, 'first_name', true),
      'last_name'     => get_user_meta($post->post_author, 'last_name', true),
      'user_email'    => $post_author->user_email,
      'user_login'    => $post_author->user_login,
      'user_nicename' => $post_author->user_nicename,
    );
    $post_body['distributor_original_author'] = $author_obj;
    return $post_body;
  }

  add_filter('dt_push_post_args', 'add_original_author', 1, 3);

}