piya-poll.php

<?php
/*
Plugin Name: Piya Poll
Plugin URI: http://www.iampiya.com
Description: esey to make poll for post
Author: Nattawud Sinprasert (PiYA)
Author URI: http://www.iampiya.com
Version: 0.0.1
tags: poll, survey
*/

// Initialize the metabox class
add_action( 'init', 'be_initialize_cmb_meta_boxes', 9999 );
function be_initialize_cmb_meta_boxes() {
  if ( file_exists( dirname( __FILE__ ) . '/lib/cmb2/init.php' ) ) {
    require_once dirname( __FILE__ ) . '/lib/cmb2/init.php';
  } elseif ( file_exists( dirname( __FILE__ ) . '/lib/CMB2/init.php' ) ) {
    require_once dirname( __FILE__ ) . '/lib/CMB2/init.php';
  }
  if ( !class_exists( 'poll' ) ) {
    require_once( 'models/poll.php' );
  }
}

add_filter( 'cmb2_init', 'be_sample_metaboxes' );
function be_sample_metaboxes( $meta_boxes ) {
  $prefix = 'piya_'; // Prefix for all fields

  $poll_metabox = new_cmb2_box( array(
    'id'            => $prefix . 'poll_metabox',
    'title'         => __( 'Poll (iampiya.com)', 'cmb2' ),
    'object_types'  => array( 'post', ), // Post type
    'context'       => 'normal',
    'priority'      => 'high',
    'show_names'    => true, // Show field names on the left
    // 'cmb_styles' => false, // false to disable the CMB stylesheet
    // 'closed'     => true, // true to keep the metabox closed by default
  ) );

  $poll_metabox->add_field( array(
    'name'       => __( 'Poll ID', 'cmb2' ),
    // 'desc'       => __( 'field description (optional)', 'cmb2' ),
    'id'         => $prefix . 'poll_id',
    'type'       => 'hidden',
    // 'show_on_cb' => 'yourprefix_hide_if_no_cats', // function should return a bool value
    // 'sanitization_cb' => 'my_custom_sanitization', // custom sanitization callback parameter
    // 'escape_cb'       => 'my_custom_escaping',  // custom escaping callback parameter
    // 'on_front'        => false, // Optionally designate a field to wp-admin only
    // 'repeatable'      => true,
  ) );

  $poll_metabox->add_field( array(
    'name'       => __( 'Topic', 'cmb2' ),
    // 'desc'       => __( 'field description (optional)', 'cmb2' ),
    'id'         => $prefix . 'topic',
    'type'       => 'text',
    // 'show_on_cb' => 'yourprefix_hide_if_no_cats', // function should return a bool value
    // 'sanitization_cb' => 'my_custom_sanitization', // custom sanitization callback parameter
    // 'escape_cb'       => 'my_custom_escaping',  // custom escaping callback parameter
    // 'on_front'        => false, // Optionally designate a field to wp-admin only
    // 'repeatable'      => true,
  ) );

  $choice_group_id = $poll_metabox->add_field( array(
    'id'          => $prefix . 'choice_group',
    'type'        => 'group',
    // 'description' => __( 'Generates reusable form entries', 'cmb2' ),
    'options'     => array(
      'group_title'   => __( 'Entry {#}', 'cmb2' ), // {#} gets replaced by row number
      'add_button'    => __( 'Add Choice', 'cmb2' ),
      'remove_button' => __( 'Remove Choice', 'cmb2' ),
      'sortable'      => true, // beta
    ),
  ) );

  $poll_metabox->add_group_field( $choice_group_id, array(
    'name'       => __( 'Choice', 'cmb2' ),
    'id'         => 'choice',
    'type'       => 'text',
    // 'repeatable' => true, // Repeatable fields are supported w/in repeatable groups (for most types)
  ) );

  return $meta_boxes;
}

function prfx_meta_save( $post_id, $post, $update ) {
  $poll = new Poll($_POST);
  $response_object = json_decode( $poll->send_poll() );
  $old_response_id = get_post_meta( $post_id, 'piya_poll_id', true );
  update_post_meta( $post_id, 'piya_poll_id', $response_object->key_id, $old_response_id );
}
add_action( 'publish_post', 'prfx_meta_save', 10, 3 );