plugin-cf7-hubspot-forms-addon.php

<?php
/*
Plugin Name: CF7 HubSpot Forms Add-on For Contact Form 7
Plugin URI: http://ahmadkarim.com/wordpress-plugins/cf7-hubspot-forms-addon-for-contact-form-7/
Description: This plugin enables HubSpot forms integration with Contact Form 7 forms. In order for this plugin to work <a href="http://php.net/manual/en/book.curl.php" target="_blank">cURL for PHP</a> should be enabled.
Author: Ahmad Karim
Version: 1.0
Author URI: http://ahmadkarim.com/

PREFIX: cf7hsfi (Contact Form 7 HubSpot Forms Integration)

*/

// check to make sure contact form 7 is installed and active
include_once( ABSPATH . 'wp-admin/includes/plugin.php' );

if ( is_plugin_active( 'contact-form-7/wp-contact-form-7.php' ) ) {

  function cf7hsfi_root_url( $append = false ) {

    $base_url = plugin_dir_url( __FILE__ );

    return ($append ? $base_url . $append : $base_url);

  }

  function cf7hsfi_root_dir( $append = false ) {

    $base_dir = plugin_dir_path( __FILE__ );

    return ($append ? $base_dir . $append : $base_dir);

  }

  include_once( cf7hsfi_root_dir('inc/constants.php') );

  function cf7hsfi_enqueue( $hook ) {

    if ( !strpos( $hook, 'wpcf7' ) )
      return;

    wp_enqueue_style( 'cf7hsfi-styles',
      cf7hsfi_root_url('assets/css/styles.css'),
      false,
      CF7HSFI_VERSION );

    wp_enqueue_script( 'cf7hsfi-scripts',
      cf7hsfi_root_url('assets/js/scripts.js'),
      array('jquery'),
      CF7HSFI_VERSION );

  }
  add_action( 'admin_enqueue_scripts', 'cf7hsfi_enqueue' );

  function cf7hsfi_admin_panel ( $panels ) {

    $new_page = array(
      'hubspot-forms-integration-addon' => array(
        'title' => __( 'HubSpot Form Integration', 'contact-form-7' ),
        'callback' => 'cf7hsfi_admin_panel_content'
      )
    );

    $panels = array_merge($panels, $new_page);

    return $panels;

  }
  add_filter( 'wpcf7_editor_panels', 'cf7hsfi_admin_panel' );

  function cf7hsfi_admin_panel_content( $cf7 ) {

    $post_id = sanitize_text_field($_GET['post']);

    $enabled = get_post_meta($post_id, "_cf7hsfi_enabled", true);
    $portal_id = get_post_meta($post_id, "_cf7hsfi_portal_id", true);
    $form_id = get_post_meta($post_id, "_cf7hsfi_form_id", true);
    $form_page_url = get_post_meta($post_id, "_cf7hsfi_form_page_url", true);
    $form_page_name = get_post_meta($post_id, "_cf7hsfi_form_page_name", true);
    $form_fields_str = get_post_meta($post_id, "_cf7hsfi_form_fields", true);
    $form_fields = $form_fields_str ? unserialize($form_fields_str) : false;
    $debug_log = get_post_meta($post_id, "_cf7hsfi_debug_log", true);

    $template = cf7hsfi_get_view_template('form-fields.tpl.php');

    if($form_fields) {

      $form_fields_html = '';
      $count = 1;

      foreach ($form_fields as $key => $value) {

        $search_replace = array(
          '{first_field}' => ' first_field',
          '{field_name}' => $key,
          '{field_value}' => $value,
          '{add_button}' => '<a href="#" class="button add_field">Add Another Field</a>',
          '{remove_button}' => '<a href="#" class="button remove_field">Remove Field</a>',
        );

        $search = array_keys($search_replace);
        $replace = array_values($search_replace);

        if($count >  1) $replace[0] = $replace[3] = '';
        if($count == 1) $replace[4] = '';

        $form_fields_html .= str_replace($search, $replace, $template);

        $count++;

      }

    } else {

      $search_replace = array(
        '{first_field}' => ' first_field',
        '{field_name}' => '',
        '{field_value}' => '',
        '{add_button}' => '<a href="#" class="button add_field">Add Another Field</a>',
        '{remove_button}' => '',
      );

      $search = array_keys($search_replace);
      $replace = array_values($search_replace);

      $form_fields_html = str_replace($search, $replace, $template);

    }

    $debug_log = unserialize($debug_log);
    $debug_log_str = is_array($debug_log) ? print_r($debug_log, true) : $debug_log;

    $search_replace = array(
      '{enabled}' => ($enabled == 1 ? ' checked' : ''),
      '{portal_id}' => $portal_id,
      '{form_id}' => $form_id,
      '{form_page_url}' => $form_page_url,
      '{form_page_name}' => $form_page_name,
      '{form_fields_html}' => $form_fields_html,
      '{debug_log}' => $debug_log_str,
    );

    $search = array_keys($search_replace);
    $replace = array_values($search_replace);

    $template = cf7hsfi_get_view_template('ui-tabs-panel.tpl.php');

    $admin_table_output = str_replace($search, $replace, $template);

    echo $admin_table_output;

  }

  function cf7hsfi_get_view_template( $template_name ) {

    $template_content = false;
    $template_path = CF7HSFI_VIEWS_DIR . $template_name;

    if( file_exists($template_path) ) {

      $search_replace = array(
        "<?php if(!defined( 'ABSPATH')) exit; ?>" => '',
        "{plugin_url}" => cf7hsfi_root_url(),
        "{site_url}" => get_site_url(),
      );

      $search = array_keys($search_replace);
      $replace = array_values($search_replace);

      $template_content = str_replace($search, $replace, file_get_contents( $template_path ));

    }

    return $template_content;

  }

  function cf7hsfi_admin_save_form( $cf7 ) {

    $post_id = sanitize_text_field($_GET['post']);

    $form_fields = array();

    foreach ($_POST['cf7hsfi_hs_field'] as $key => $value) {

      if($_POST['cf7hsfi_cf7_field'][$key] == '' && $value == '') continue;

      $form_fields[$value] = $_POST['cf7hsfi_cf7_field'][$key];

    }

    update_post_meta($post_id, '_cf7hsfi_enabled', $_POST['cf7hsfi_enabled']);
    update_post_meta($post_id, '_cf7hsfi_portal_id', $_POST['cf7hsfi_portal_id']);
    update_post_meta($post_id, '_cf7hsfi_form_id', $_POST['cf7hsfi_form_id']);
    update_post_meta($post_id, '_cf7hsfi_form_page_url', $_POST['cf7hsfi_form_page_url']);
    update_post_meta($post_id, '_cf7hsfi_form_page_name', $_POST['cf7hsfi_form_page_name']);
    update_post_meta($post_id, '_cf7hsfi_form_fields', serialize($form_fields));

  }
  add_action('wpcf7_save_contact_form', 'cf7hsfi_admin_save_form');

  function cf7hsfi_frontend_submit_form( $wpcf7_data ) {

    $post_id = $wpcf7_data->id();
    $enabled = get_post_meta($post_id, "_cf7hsfi_enabled", true);
    $portal_id = get_post_meta($post_id, "_cf7hsfi_portal_id", true);
    $form_id = get_post_meta($post_id, "_cf7hsfi_form_id", true);
    $form_page_url = get_post_meta($post_id, "_cf7hsfi_form_page_url", true);
    $form_page_name = get_post_meta($post_id, "_cf7hsfi_form_page_name", true);
    $form_fields_str = get_post_meta($post_id, "_cf7hsfi_form_fields", true);
    $form_fields = $form_fields_str ? unserialize($form_fields_str) : false;

    if( $enabled == 1 && $form_fields ) {

      $user_ip = $_SERVER["REMOTE_ADDR"];
      $hs_context = array(
        "ipAddress" => $user_ip
      );

      if( !empty($form_page_url) ) $hs_context["pageUrl"] = $form_page_url;
      if( !empty($form_page_name) ) $hs_context["pageName"] = $form_page_name;

      $hs_context_json = json_encode($hs_context);

      $post_array = array();

      foreach ($form_fields as $key => $value) {

        $search = array("[", "]");
        $post_key = str_replace($search, "", $value);

        $post_array[$key] = $_POST[$post_key];

      }

      $post_array["hs_context"] = $hs_context_json;
      $post_string = http_build_query($post_array);

      $post_url = "https://forms.hubspot.com/uploads/form/v2/{$portal_id}/{$form_id}";

      $cURL = @curl_init();
      @curl_setopt($cURL, CURLOPT_POST, true);
      @curl_setopt($cURL, CURLOPT_POSTFIELDS, $post_string);
      @curl_setopt($cURL, CURLOPT_URL, $post_url);
      @curl_setopt($cURL, CURLOPT_HTTPHEADER, array(
          'Content-Type: application/x-www-form-urlencoded'
      ));
      @curl_setopt($cURL, CURLOPT_RETURNTRANSFER, true);

      $response = @curl_exec($cURL);
      $status_code = @curl_getinfo($cURL, CURLINFO_HTTP_CODE);

      @curl_close($cURL);

      $debug_log = array(
        'STATUS_CODE' => $status_code,
        'HUBSPOT_RESPONSE' => $response
      );

      update_post_meta($post_id, '_cf7hsfi_debug_log', serialize($debug_log));

    }

  }
  add_action("wpcf7_before_send_mail", "cf7hsfi_frontend_submit_form");

}