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class cc in Constant Contact 7.3

Same name and namespace in other branches
  1. 6.3 class.cc.php \cc
  2. 6.2 class.cc.php \cc

@file Constant Contact PHP Class

@package drupal @subackage constant-contact-api

Hierarchy

  • class \cc

Expanded class hierarchy of cc

1 string reference to 'cc'
cc::get_all_lists in ./class.cc.php
Gets all the contact lists for the CC account If more than one page exists we grab them too Second argument can be used to show/hide the do-not-mail etc lists This method also sorts the lists based on the SortOrder field

File

./class.cc.php, line 10
Constant Contact PHP Class

View source
class cc {

  /**
   * The user-agent header to send with all API requests
   *
   * @access    public
   */
  var $http_user_agent = 'justphp 3.0';

  /**
   * The developers API key which is associated with the application
   * PLEASE DO NOT CHANGE THIS API KEY
   */
  var $api_key = '7f704175-b47b-4abb-9afa-c4651be239d0';

  /**
   * The API username which is passed to the constructor, always required
   *
   * @access    public
   */
  var $api_username = '';

  /**
   * The API password which is passed to the constructor, always required
   *
   * @access    public
   */
  var $api_password = '';

  /**
   * The URL to use for all API calls. DO NOT INCLUDE A TRAILING SLASH!
   *
   * @access    public
   */
  var $api_url = 'https://api.constantcontact.com';

  /**
   * This will be constructed automatically, same as above without the full URL
   *
   * @access    protected
   */
  var $api_uri = '';

  /**
   * The last error message, can be used to provide a descriptive error if
   * something goes wrong
   *
   * @access    public
   */
  var $last_error = '';

  /**
   * The action type used for API calls, action by customer or contact, important!
   * If you abuse this setting it violates the terms of the API
   * Do not edit this property directly, instead use the set_action_type() method.
   *
   * @access    protected
   */
  var $action_type = 'ACTION_BY_CUSTOMER';

  /**
   * Meta data relating to the last call to the get_lists method
   *
   * @access    public
   */
  var $list_meta_data;

  /**
   * Meta data relating to the last call to the get_list_members method
   *
   * @access    public
   */
  var $member_meta_data;

  /**
   * The HTTP host used for the API
   * This will be just the hostname of the API
   *
   * @access protected
   */
  var $http_host;

  /**
   * The HTTP port used for the API.
   * This will be port 443 if using HTTPS or 80 is using HTTP
   *
   * @access protected
   */
  var $http_port;

  /**
   * The results from a call to the PHP function
   * @see parse_url()
   *
   * Contains an array of all the URL bits to be parsed.
   * @see parse_url()
   *
   * @access protected
   */
  var $http_url_bits;

  /**
   * HTTP request timeout in seconds
   * This can be changed to any number you want
   *
   * @access public
   */
  var $http_request_timeout = 120;

  /**
   * Username used for HTTP authentication.
   * It contains the string used to authenticate.
   * This will be built automatically from the API key and username
   *
   * @access protected
   */
  var $http_user;

  /**
   * Password used for HTTP authentication
   *
   * @access protected
   */
  var $http_pass;

  /**
   * The Content-Type header to use for all HTTP requests.Do not edit this
   * directly. Instead use set_content_type() method.
   *
   * @access protected
   */
  var $http_content_type;

  /**
   * The default Content-Type header to use for all HTTP requests
   * If no Content-Type header is set this is the default
   *
   * @access protected
   */
  var $http_default_content_type = 'text/html';

  /**
   * The HTTP response code of the last HTTP request
   *
   * @access protected
   */
  var $http_response_code;

  /**
   * The full HTTP response of the last HTTP request
   *
   * @access protected
   */
  var $http_response;

  /**
   * The HTTP response body of the last HTTP request
   *
   * @access protected
   */
  var $http_response_body;

  /**
   * The full HTTP request body of the last HTTP request
   *
   * @access protected
   */
  var $http_request;

  /**
   * The method to use for the HTTP request
   *
   * @access protected
   */
  var $http_method;

  /**
   * The line break used to separate HTTP headers.
   *
   * @access public
   */
  var $http_linebreak = "\r\n";

  /**
   * The HTTP requests headers.
   *
   * Use http_headers_add() to add individual headers.
   *
   * @access protected
   */
  var $http_request_headers = array();

  /**
   * The HTTP response headers.
   *
   * @access protected
   */
  var $http_response_headers = array();

  /**
   * A list of encodings we support for the XML file
   *
   * @access public
   */
  var $xml_known_encodings = array(
    'UTF-8',
    'US-ASCII',
    'ISO-8859-1',
  );

  /**
   * Constructor method.
   *
   * Sets default params. Constructs the correct API URL. Sets variables for
   * the http_methods. If you want to change the APi key use the
   * set_api_key() method
   *
   * @param string    The username for your Constant Contact account
   * @param string    The password for your Constant Contact account
   * @param string    The API key for your Constant Contact developer account (deprecated)
   *
   * @access    public
   */
  function cc($api_username, $api_password) {

    // Initialize metadata properties.
    $this->list_meta_data = new stdClass();
    $this->member_meta_data = new stdClass();
    $this->contact_meta_data = new stdClass();
    $this->api_username = $api_username;
    $this->api_password = $api_password;
    $this->api_url .= '/ws/customers/' . rawurlencode($api_username) . '/';
    $this->api_uri .= '/ws/customers/' . urlencode($api_username) . '/';
    $this->http_user = $this->api_key . "%" . $api_username;
    $this->http_pass = $api_password;
    $this
      ->http_set_content_type($this->http_default_content_type);
  }

  /**
   * IMPORTANT!
   * This method sets the action type
   * If a user performs the action themselves you should call this method with the param 'contact'
   * This triggers the welcome email if a new subscriber
   * You may get banned if you use this setting incorrectly!
   * The default action is ACTION_BY_CUSTOMER meaning the constant contact account owner made the action themselves, this can typically be associated with an admin subscribers users or updating a users details
   * If you have a signup form on your website you should set this method to ACTION_BY_CONTACT
   * Call this method before you subscribe a user or perform any other action they make and again to reset it
   * eg. $cc->set_action_type('contact');
   *
   *
   * @access    public
   */
  function set_action_type($action_type = 'customer') {
    $this->action_type = drupal_strtolower($action_type) == 'customer' ? 'ACTION_BY_CUSTOMER' : 'ACTION_BY_CONTACT';
  }

  /**
   * This method does a print_r on the http_request and http_response variables
   * Useful for debugging the HTTP request
   *
   * @access    public
   */
  function show_last_connection() {
    print_r($this->http_request);
    print_r($this->http_response);
  }

  /**
   * Shows the last request
   *
   * @access    public
   */
  function show_request() {
    print_r($this->http_request);
  }

  /**
   * Shows the last response
   *
   * @access    public
   */
  function show_response() {
    print_r($this->http_response);
  }

  /**
   * This sets the API key to the given string
   * You do not need to use this method unless your bundling the code into your own application
   * If your application will be used by multiple users please create your own API key and call this
   *
   * @access    public
   */
  function set_api_key($api_key) {
    $this->api_key = $api_key;
  }

  /**
   * This gets the service description file from CC
   *
   *
   * @access    public
   */
  function get_service_description() {
    return $this
      ->load_url();
  }

  /**
   * Gets all the contact lists for the CC account
   * If more than one page exists we grab them too
   * Second argument can be used to show/hide the do-not-mail etc lists
   * This method also sorts the lists based on the SortOrder field
   *
   *
   * @access    public
   */
  function get_all_lists($action = 'lists', $exclude = 3, $callback = '') {
    $lists = $this
      ->get_lists($action, $exclude);
    if (count($lists) > 0) {
      if (isset($this->list_meta_data->next_page) && !is_null($this->list_meta_data->next_page)) {

        // grab all the other pages if they exist
        while (!is_null($this->list_meta_data->next_page)) {
          $lists = array_merge($lists, $this
            ->get_lists($this->list_meta_data->next_page, 0));
        }
      }
      $callback = $callback ? $callback : array(
        "cc",
        "sort_lists",
      );
      if (is_array($lists)) {
        usort($lists, $callback);
      }
    }
    return $lists;
  }

  /**
   * Sort the lists based on the SortOrder field
   *
   * @access    private
   */
  function sort_lists($a, $b) {
    if (!isset($a['SortOrder'], $b['SortOrder']) || $a['SortOrder'] == $b['SortOrder']) {
      return 0;
    }
    return $a['SortOrder'] < $b['SortOrder'] ? -1 : 1;
  }

  /**
   * Gets the contact lists for the CC account.
   *
   * The results are pageable. Second argument can be used to show/hide the
   * do-not-mail etc lists.
   *
   *
   * @access    public
   */
  function get_lists($action = 'lists', $exclude = 3) {
    $xml = $this
      ->load_url($action);
    if (!$xml) {
      return FALSE;
    }
    $lists = array();

    // Parse into nicer array.
    $_lists = isset($xml['feed']['entry']) ? $xml['feed']['entry'] : FALSE;
    if (isset($xml['feed']['link']['2_attr']['rel']) && $xml['feed']['link']['2_attr']['rel'] == 'first') {
      $this->list_meta_data->first_page = $this
        ->get_id_from_link($xml['feed']['link']['2_attr']['href']);
      $this->list_meta_data->current_page = $this
        ->get_id_from_link($xml['feed']['link']['3_attr']['href']);
      $this->list_meta_data->next_page = '';
    }
    elseif (isset($xml['feed']['link']['2_attr']['rel']) && $xml['feed']['link']['2_attr']['rel'] == 'next') {
      $this->list_meta_data->next_page = $this
        ->get_id_from_link($xml['feed']['link']['2_attr']['href']);
      $this->list_meta_data->current_page = $this
        ->get_id_from_link($xml['feed']['link']['3_attr']['href']);
      $this->list_meta_data->first_page = $this
        ->get_id_from_link($xml['feed']['link']['4_attr']['href']);
    }
    else {
      $this->list_meta_data->next_page = NULL;
      $this->list_meta_data->current_page = NULL;
      $this->list_meta_data->first_page = NULL;
    }
    if (is_array($_lists) && count($_lists) > 3) {
      if ($exclude) {

        // skip first x amount of lists - remove, do not mail etc
        $_lists = array_slice($_lists, $exclude);
      }
      if (isset($_lists[0]['link_attr']['href'])) {
        foreach ($_lists as $k => $v) {
          $id = $this
            ->get_id_from_link($v['link_attr']['href']);
          $list = array(
            'id' => $id,
            'Name' => $v['content']['ContactList']['Name'],
            'ShortName' => $v['content']['ContactList']['ShortName'],
          );
          if (isset($v['content']['ContactList']['OptInDefault'])) {
            $list['OptInDefault'] = $v['content']['ContactList']['OptInDefault'];
          }
          if (isset($v['content']['ContactList']['SortOrder'])) {
            $list['SortOrder'] = $v['content']['ContactList']['SortOrder'];
          }
          $lists[] = $list;
        }
      }
      else {
        $id = $this
          ->get_id_from_link($_lists['link_attr']['href']);
        $list = array(
          'id' => $id,
          'Name' => $_lists['content']['ContactList']['Name'],
          'ShortName' => $_lists['content']['ContactList']['ShortName'],
        );
        if (isset($_lists['content']['ContactList']['OptInDefault'])) {
          $list['OptInDefault'] = $_lists['content']['ContactList']['OptInDefault'];
        }
        if (isset($_lists['content']['ContactList']['SortOrder'])) {
          $list['SortOrder'] = $_lists['content']['ContactList']['SortOrder'];
        }
        $lists[] = $list;
      }
    }
    return $lists;
  }

  /**
   * Gets the details of a specific constant list.
   *
   *
   * @access    public
   */
  function get_list($listid) {
    $xml = $this
      ->load_url("lists/{$listid}");
    if (!$xml) {
      return FALSE;
    }
    $list = FALSE;
    $_list = isset($xml['entry']) ? $xml['entry'] : FALSE;

    // parse into nicer array
    if (is_array($_list)) {
      $id = $this
        ->get_id_from_link($_list['link_attr']['href']);
      $list = array(
        'id' => $id,
        'Name' => $_list['content']['ContactList']['Name'],
        'ShortName' => $_list['content']['ContactList']['ShortName'],
        'OptInDefault' => $_list['content']['ContactList']['OptInDefault'],
        'SortOrder' => $_list['content']['ContactList']['SortOrder'],
      );
    }
    return $list;
  }

  /**
   * Deletes a contact list.
   *
   *
   * @access    public
   */
  function delete_list($listid) {
    $this
      ->http_set_content_type('text/html');
    $this
      ->load_url("lists/{$listid}", 'delete', array(), 204);
    if (intval($this->http_response_code) === 204) {
      return TRUE;
    }
    return FALSE;
  }

  /**
   * Updates an existing contact list.
   *
   *
   * @access    public
   */
  function update_list($id, $name, $default = "false", $sort_order = 99) {

    // Build the XML put data.
    $url = $this
      ->get_list_url($id);
    $xml_data = '
<entry xmlns="http://www.w3.org/2005/Atom">
  <id>' . $url . '</id>
  <title type="text">' . $name . '</title>
  <author />
  <updated>2008-04-16T18:39:35.710Z</updated>
  <content type="application/vnd.ctct+xml">
    <ContactList xmlns="http://ws.constantcontact.com/ns/1.0/"
        id="' . $url . '">
      <OptInDefault>' . $default . '</OptInDefault>
      <Name>' . $name . '</Name>
      <ShortName>' . $name . '</ShortName>
      <SortOrder>' . $sort_order . '</SortOrder>
    </ContactList>
  </content>
  <link href="/ws/customers/' . $this->api_username . '/lists/' . $id . '" rel="update" />
</entry>
';
    $this
      ->http_set_content_type('application/atom+xml');
    $xml = $this
      ->load_url("lists/{$id}", 'put', $xml_data, 204);
    if (intval($this->http_response_code) === 204) {
      return TRUE;
    }
    return FALSE;
  }

  /**
   * Creates a new contact list.
   *
   *
   * @access    public
   */
  function create_list($name, $default = "false", $sort_order = 99) {

    // build the XML post data
    $xml_post = '<entry xmlns="http://www.w3.org/2005/Atom">
  <id>data:,</id>
  <title/>
  <author/>
  <updated>2008-04-16</updated>
  <content type="application/vnd.ctct+xml">
    <ContactList xmlns="http://ws.constantcontact.com/ns/1.0/">
      <OptInDefault>' . $default . '</OptInDefault>
      <Name>' . $name . '</Name>
      <SortOrder>' . $sort_order . '</SortOrder>
    </ContactList>
  </content>
</entry>';
    $this
      ->http_set_content_type('application/atom+xml');
    $xml = $this
      ->load_url("lists", 'post', $xml_post, 201);
    if ($xml) {
      return TRUE;
    }

    /*
    if(isset($this->http_response_headers['Location']) && trim($this->http_response_headers['Location']) != ''){
        return $this->get_id_from_link($this->http_response_headers['Location']);
    }
    */
    return FALSE;
  }

  /**
   * Returns the full URL for list operations.
   *
   * NOTE: this is an HTTP URL unlike the one we call.
   *
   *
   * @access    private
   */
  function get_list_url($id, $full_address = TRUE) {
    if ($full_address) {
      $_url = str_replace('https:', 'http:', $this->api_url . "lists");
    }
    else {
      $_url = $this->api_uri . "lists";
    }
    return "{$_url}/{$id}";
  }

  /**
   * This returns the HTTP URL for the API.
   *
   * @access    private
   */
  function get_http_api_url() {
    return str_replace('https:', 'http:', $this->api_url);
  }

  /**
   * Gets the members (contacts) in a specific contact list.
   *
   * Supports paging of the results.
   *
   *
   * @access    public
   */
  function get_list_members($listid, $action = 'members') {
    $xml = $this
      ->load_url("lists/{$listid}/{$action}");
    if (!$xml) {
      return FALSE;
    }

    // Parse into nicer array.
    $contacts = array();
    $_members = isset($xml['feed']['entry']) ? $xml['feed']['entry'] : FALSE;
    if (isset($xml['feed']['link']['2_attr']['rel']) && $xml['feed']['link']['2_attr']['rel'] == 'first') {
      $this->member_meta_data->first_page = $this
        ->get_id_from_link($xml['feed']['link']['2_attr']['href']);
      $this->member_meta_data->current_page = $this
        ->get_id_from_link($xml['feed']['link']['3_attr']['href']);
      $this->member_meta_data->next_page = '';
    }
    elseif (isset($xml['feed']['link']['2_attr']['rel']) && $xml['feed']['link']['2_attr']['rel'] == 'next') {
      $this->member_meta_data->next_page = $this
        ->get_id_from_link($xml['feed']['link']['2_attr']['href']);
      $this->member_meta_data->current_page = $this
        ->get_id_from_link($xml['feed']['link']['3_attr']['href']);
      $this->member_meta_data->first_page = $this
        ->get_id_from_link($xml['feed']['link']['4_attr']['href']);
    }
    else {
      $this->member_meta_data->next_page = NULL;
      $this->member_meta_data->current_page = NULL;
      $this->member_meta_data->first_page = NULL;
    }
    if (is_array($_members)) {
      if (isset($_members[0]['link_attr']['href'])) {
        foreach ($_members as $k => $v) {
          $EmailAddress = $v['content']['ContactListMember']['EmailAddress'];
          $Name = $v['content']['ContactListMember']['Name'];
          $id = $this
            ->get_id_from_link($v['link_attr']['href']);
          $contact = array(
            'id' => $id,
            'EmailAddress' => $EmailAddress,
            'Name' => $Name,
          );
          $contacts[] = $contact;
        }
      }
      else {
        $EmailAddress = $_members['content']['ContactListMember']['EmailAddress'];
        $Name = $_members['content']['ContactListMember']['Name'];
        $id = $this
          ->get_id_from_link($_members['link_attr']['href']);
        $contact = array(
          'id' => $id,
          'EmailAddress' => $EmailAddress,
          'Name' => $Name,
        );
        $contacts[] = $contact;
      }
    }
    return $contacts;
  }

  /**
   * Creates a new contact.
   *
   * @access    public
   */
  function create_contact($email, $lists = array(), $additional_fields = array()) {
    $lists_url = str_replace('https:', 'http:', $this->api_url . "lists");
    $email = drupal_strtolower($email);

    // Build the XML post data.
    $xml_post = '
<entry xmlns="http://www.w3.org/2005/Atom">
  <title type="text"> </title>
  <updated>2008-07-23T14:21:06.407Z</updated>
  <author></author>
  <id>data:,none</id>
  <summary type="text">Contact</summary>
  <content type="application/vnd.ctct+xml">
    <Contact xmlns="http://ws.constantcontact.com/ns/1.0/">
      <EmailAddress>' . $email . '</EmailAddress>
      <OptInSource>' . $this->action_type . '</OptInSource>
';
    if ($additional_fields) {
      foreach ($additional_fields as $field => $value) {
        $xml_post .= "<{$field}>{$value}</{$field}>\n";
      }
    }
    $xml_post .= '<ContactLists>';
    if ($lists) {
      if (is_array($lists)) {
        foreach ($lists as $k => $id) {
          $xml_post .= '<ContactList id="' . $lists_url . '/' . $id . '" />';
        }
      }
      else {
        $xml_post .= '<ContactList id="' . $lists_url . '/' . $lists . '" />';
      }
    }
    $xml_post .= '</ContactLists>';
    $xml_post .= '
    </Contact>
  </content>
</entry>';
    $this
      ->http_set_content_type('application/atom+xml');
    $xml = $this
      ->load_url("contacts", 'post', $xml_post, 201);
    if ($xml) {
      return TRUE;
    }

    /*
    if(isset($this->http_response_headers['Location']) && trim($this->http_response_headers['Location']) != ''){
        return $this->get_id_from_link($this->http_response_headers['Location']);
    }
    */
    return FALSE;
  }

  /**
   * Updates a contact.
   *
   * @access    public
   */
  function update_contact($id, $email, $lists = array(), $additional_fields = array()) {

    // Build the XML put data
    $_url = str_replace('https:', 'http:', $this->api_url . "contacts");
    $url = "{$_url}/{$id}";
    $email = drupal_strtolower($email);
    $xml_data = '<entry xmlns="http://www.w3.org/2005/Atom">
  <id>' . $url . '</id>
  <title type="text">Contact: ' . $email . '</title>
  <updated>2008-04-25T19:29:06.096Z</updated>
  <author></author>
  <content type="application/vnd.ctct+xml">
    <Contact xmlns="http://ws.constantcontact.com/ns/1.0/" id="' . $url . '">
      <EmailAddress>' . $email . '</EmailAddress>
      <OptInSource>' . $this->action_type . '</OptInSource>
	  <OptInTime>2009-11-19T14:48:41.761Z</OptInTime>
';
    if ($additional_fields) {
      foreach ($additional_fields as $field => $value) {
        $xml_data .= "<{$field}>{$value}</{$field}>\n";
      }
    }
    $xml_data .= "<ContactLists>\n";
    if ($lists) {
      if (is_array($lists)) {
        foreach ($lists as $k => $list_id) {
          $xml_data .= '<ContactList id="' . $this
            ->get_list_url($list_id) . '"></ContactList>';
        }
      }
      else {
        $xml_data .= '<ContactList id="' . $this
          ->get_list_url($lists) . '"></ContactList>';
      }
    }
    $xml_data .= "</ContactLists>\n";
    $xml_data .= '
    </Contact>
  </content>
</entry>
';
    $this
      ->http_set_content_type('application/atom+xml');
    $xml = $this
      ->load_url("contacts/{$id}", 'put', $xml_data, 204);
    if ($xml or is_array($xml)) {
      return TRUE;
    }
    return FALSE;
  }

  /**
   * Gets all contacts and allows paging of the results.
   *
   * @access    public
   */
  function get_contacts($action = 'contacts') {
    $xml = $this
      ->load_url($action);
    if (!$xml) {
      return FALSE;
    }

    // Parse into nicer array.
    $contacts = array();
    $_contacts = isset($xml['feed']['entry']) ? $xml['feed']['entry'] : FALSE;
    if (isset($xml['feed']['link']['2_attr']['rel'], $xml['feed']['link']['3_attr']['href']) && $xml['feed']['link']['2_attr']['rel'] == 'first') {
      $this->contact_meta_data->first_page = $this
        ->get_id_from_link($xml['feed']['link']['2_attr']['href']);
      $this->contact_meta_data->current_page = $this
        ->get_id_from_link($xml['feed']['link']['3_attr']['href']);
      $this->contact_meta_data->next_page = '';
    }
    elseif (isset($xml['feed']['link']['2_attr']['rel'], $xml['feed']['link']['3_attr']['href'], $xml['feed']['link']['4_attr']['href']) && $xml['feed']['link']['2_attr']['rel'] == 'next') {
      $this->contact_meta_data->next_page = $this
        ->get_id_from_link($xml['feed']['link']['2_attr']['href']);
      $this->contact_meta_data->current_page = $this
        ->get_id_from_link($xml['feed']['link']['3_attr']['href']);
      $this->contact_meta_data->first_page = $this
        ->get_id_from_link($xml['feed']['link']['4_attr']['href']);
    }
    else {
      $this->contact_meta_data->next_page = NULL;
      $this->contact_meta_data->current_page = NULL;
      $this->contact_meta_data->first_page = NULL;
    }
    if (is_array($_contacts)) {
      if (isset($_contacts[0]['link_attr']['href'])) {
        foreach ($_contacts as $k => $v) {
          $id = $this
            ->get_id_from_link($v['link_attr']['href']);
          $contact = $v['content']['Contact'];
          $contact['id'] = $id;
          $contacts[] = $contact;
        }
      }
      else {
        $id = $this
          ->get_id_from_link($_contacts['link_attr']['href']);
        $contact = $_contacts['content']['Contact'];
        $contact['id'] = $id;
        $contacts[] = $contact;
      }
    }
    return $contacts;
  }

  /**
   * Gets a specific contact's details.
   *
   * @access    public
   */
  function get_contact($id) {
    $xml = $this
      ->load_url("contacts/{$id}");
    if (!$xml) {
      return FALSE;
    }
    $contact = FALSE;
    $_contact = isset($xml['entry']) ? $xml['entry'] : FALSE;

    // parse into nicer array
    if (is_array($_contact)) {
      $id = $this
        ->get_id_from_link($_contact['link_attr']['href']);
      $contact = $_contact['content']['Contact'];
      if (isset($_contact['content']['Contact']['ContactLists']['ContactList'])) {
        $_lists = $_contact['content']['Contact']['ContactLists']['ContactList'];
        unset($_lists['0_attr']);
        unset($_lists['ContactList_attr']);
      }
      else {
        $_lists = FALSE;
      }

      // get lists
      $lists = array();
      if (is_array($_lists) && count($_lists) > 0) {
        unset($_lists['id']);
        if (isset($_lists['link_attr']['href'])) {
          $list_id = $this
            ->get_id_from_link($_lists['link_attr']['href']);
          $lists[$list_id] = $list_id;
        }
        else {
          foreach ($_lists as $k => $v) {
            if (isset($v['link_attr']['href'])) {
              $list_id = $this
                ->get_id_from_link($v['link_attr']['href']);
              $lists[$list_id] = $list_id;
            }
          }
        }
        unset($contact['ContactLists']);
      }
      $contact['lists'] = $lists;
      $contact['id'] = $id;
    }
    return $contact;
  }

  /**
   * Queries the API for contacts with a similar email address to the input.
   *
   * @access    public
   */
  function query_contacts($email) {
    $xml = $this
      ->load_url('contacts?email=' . strtolower(urlencode($email)));
    if (!$xml) {
      return FALSE;
    }
    $contact = FALSE;

    // We need a duplicates clean up routine here as there should be
    // only one id for each distinct emaill address
    if (isset($xml['feed']['entry']) && array_key_exists('1', $xml['feed']['entry'])) {
      foreach ($xml['feed']['entry'] as $key => $entry) {
        if (intval($key) > 0) {
          $dupe_id = $this
            ->get_id_from_link($entry['link_attr']['href']);
          $this
            ->delete_contact($dupe_id);
          unset($xml['feed']['entry'][$key]);
        }
      }
      $xml['feed']['entry'] = $xml['feed']['entry'][0];
    }
    $_contact = isset($xml['feed']['entry']) ? $xml['feed']['entry'] : FALSE;

    // Parse into nicer array.
    if (is_array($_contact)) {
      $id = $this
        ->get_id_from_link($_contact['link_attr']['href']);
      $contact = $_contact['content']['Contact'];
      $contact['id'] = $id;
    }
    return $contact;
  }

  /**
   * Deletes a contact.
   *
   * @access    public
   */
  function delete_contact($id) {
    $this
      ->http_set_content_type('text/html');
    $this
      ->load_url("contacts/{$id}", 'delete', array(), 204);
    if (intval($this->http_response_code) === 204) {
      return TRUE;
    }
    return FALSE;
  }

  /**
   * Activities (bulk) operations
   *
   * The Activities resource is designed to be used only with large sets of
   * contacts (ie. 25 or more). To manage individual contacts or small sets of
   * contacts, use the  Contacts Collection API resource. (As discussed in the
   * Constant Contact API Terms and Conditions, intentional and unintentional
   * misuse of this bulk API to frequently manage individual contacts or small
   * sets of contacts is subject to API access or account termination).
   *
   */

  /**
   * Downloads an activity file.
   *
   * @access    public
   */
  function download_activity_file($filename) {
    $this
      ->http_set_content_type(NULL);
    $this
      ->load_url("activities/{$filename}", 'get');
    return $this->http_response_body;
  }

  /**
   * Gets a single activity.
   *
   * @access    public
   */
  function get_activity($id) {
    $xml = $this
      ->load_url("activities/{$id}");
    if (!$xml) {
      return FALSE;
    }

    // Parse into nicer array.
    $_activity = isset($xml['entry']) ? $xml['entry'] : FALSE;
    $activity = $_activity['content']['Activity'];
    $activity['id'] = $id;
    if (isset($activity['FileName'])) {
      $activity['FileName'] = $this
        ->get_id_from_link($activity['FileName']);
    }
    return $activity;
  }

  /**
   * Gets all activities.
   *
   * @access    public
   */
  function get_activities($action = 'activities') {
    $xml = $this
      ->load_url($action);
    if (!$xml) {
      return FALSE;
    }

    // Parse into nicer array.
    $activities = array();
    $_activities = isset($xml['feed']['entry']) ? $xml['feed']['entry'] : FALSE;
    if (is_array($_activities)) {
      if (isset($_activities[0]['link_attr']['href'])) {
        foreach ($_activities as $k => $v) {
          $id = $this
            ->get_id_from_link($v['link_attr']['href']);
          $activity = $v['content']['Activity'];
          $activity['id'] = $id;
          $activities[] = $activity;
        }
      }
      else {
        $id = $this
          ->get_id_from_link($_activities['link_attr']['href']);
        $activity = $_activities['content']['Activity'];
        $activity['id'] = $id;
        $activities[] = $activity;
      }
    }
    return $activities;
  }

  /**
   *
   * Clear all contacts.
   *
   * Be careful with this method. You can use it to clear all contacts from a
   * specific set of contact lists.
   *
   *
   * @param array $lists
   *  An array of contact list ID's to clear of contacts
   * @access    public
   */
  function clear_contacts($lists) {
    $params['activityType'] = 'CLEAR_CONTACTS_FROM_LISTS';
    $lists_string = '';
    if (is_array($lists)) {
      foreach ($lists as $id) {
        $params['lists'][] = $this
          ->get_list_url($id);
      }
    }
    $this
      ->http_set_content_type('application/x-www-form-urlencoded');
    $xml = $this
      ->load_url("activities", 'post', $params, 201);
    if ($xml) {
      return TRUE;
    }

    /*
    if(isset($this->http_response_headers['Location']) && trim($this->http_response_headers['Location']) != ''){
        return $this->get_id_from_link($this->http_response_headers['Location']);
    }
    */
    return FALSE;
  }

  /**
   * Returns a list of the columns used in the export file
   *
   * @access    public
   */
  function get_export_file_columns() {
    $columns = array(
      'FIRST NAME',
      'MIDDLE NAME',
      'LAST NAME',
      'JOB TITLE',
      'COMPANY NAME',
      'WORK PHONE',
      'HOME PHONE',
      'ADDRESS LINE 1',
      'ADDRESS LINE 2',
      'ADDRESS LINE 3',
      'CITY',
      'STATE',
      'STATE/PROVINCE (US/CANADA)',
      'COUNTRY',
      'POSTAL CODE',
      'SUB POSTAL CODE',
    );
    $new = array();
    foreach ($columns as $column) {
      $new[$column] = $column;
    }
    return $new;
  }

  /**
   * Creates a new export contacts activity.
   *
   * It returns the activity ID to use to check the status.   *
   *
   * @param    array    An array: fieldnames to export: see fieldnames.html
   * @param    int        The ID of the list to export
   * @param    string    The format of the export, either CSV or TXT
   *
   * @access    public
   */
  function export_contacts($list_id, $export_type = 'CSV', $columns = array(), $sort_by = 'DATE_DESC') {
    if (!is_array($columns) || !count($columns)) {
      $columns = $this
        ->get_export_file_columns();
    }
    $params['activityType'] = 'EXPORT_CONTACTS';
    $params['fileType'] = $export_type;
    $params['exportOptDate'] = 'true';
    $params['exportOptSource'] = 'true';
    $params['exportListName'] = 'false';
    $params['sortBy'] = $sort_by;
    $params['columns'] = $columns;
    $params['listId'] = $this
      ->get_list_url($list_id);
    $this
      ->http_set_content_type('application/x-www-form-urlencoded');
    $xml = $this
      ->load_url("activities", 'post', $params, 201);
    if ($xml) {
      return TRUE;
    }

    /*
    if(isset($this->http_response_headers['Location']) && trim($this->http_response_headers['Location']) != ''){
        return $this->get_id_from_link($this->http_response_headers['Location']);
    }
    */
    return FALSE;
  }

  /**
   * Bulk create contacts.
   *
   * This method is used to add 25 or more contacts. Pass this method an
   * associative array of contact details. Alternatively you can give the path
   * to a local or remote file. The file should be text or CSV format:
   * @link http://constantcontact.custhelp.com/cgi-bin/constantcontact.cfg/php/enduser/std_adp.php?p_faqid=2523
   *
   *
   * @param    mixed    This can be an array or a path to a file
   * @param    array    An array of contact list ID's to add the user to
   *
   * @access    public
   */
  function create_contacts($contacts, $lists) {
    $params['activityType'] = 'SV_ADD';
    if (is_array($contacts) && count($contacts) > 0) {

      // Get fieldnames from keys of the first contact array.
      $fieldnames = array_keys($contacts[0]);
      $contacts = array_values($contacts);

      // Transform the given array into a CSV formatted string.
      $contacts_string = '';
      foreach ($contacts as $k => $contact) {
        foreach ($fieldnames as $k => $fieldname) {
          if (isset($contact[$fieldname]) || is_null($contact[$fieldname])) {
            $contacts_string .= $contact[$fieldname] . ",";
          }
          else {
            $this->last_error = 'contacts array is not formatted correctly, please ensure all contact entries have the same fields and values';
            return FALSE;
          }
        }
        $contacts_string .= "{$this->http_linebreak}";
      }
      $params['data'] = implode(',', $fieldnames) . "{$this->http_linebreak}" . $contacts_string;
    }
    elseif (file_exists($contacts) && is_readable($contacts)) {

      // grab the file and output it directly in the request
      $params['data'] = file_get_contents($contacts);
    }
    if (is_array($lists)) {
      foreach ($lists as $id) {
        $params['lists'][] = $this
          ->get_list_url($id);
      }
    }
    $this
      ->http_set_content_type('application/x-www-form-urlencoded');
    $xml = $this
      ->load_url("activities", 'post', $params, 201);
    if ($xml) {
      return TRUE;
    }

    /*
    if(isset($this->http_response_headers['Location']) && trim($this->http_response_headers['Location']) != ''){
        return $this->get_id_from_link($this->http_response_headers['Location']);
    }
    */
    return FALSE;
  }

  /**
   * Gets all campaigns.
   *
   * @access    public
   */
  function get_campaigns($action = 'campaigns') {
    $xml = $this
      ->load_url($action);
    if (!$xml) {
      return FALSE;
    }

    // Parse into nicer array.
    $campaigns = array();
    $_campaigns = isset($xml['feed']['entry']) ? $xml['feed']['entry'] : FALSE;
    if (is_array($_campaigns)) {
      if (isset($_campaigns[0]['link_attr']['href'])) {
        foreach ($_campaigns as $k => $v) {
          $id = $this
            ->get_id_from_link($v['link_attr']['href']);
          $campaign = $v['content']['Campaign'];
          $campaign['id'] = $id;
          $campaigns[] = $campaign;
        }
      }
      else {
        $id = $this
          ->get_id_from_link($_campaigns['link_attr']['href']);
        $campaign = $_campaigns['content']['Campaign'];
        $campaign['id'] = $id;
        $campaigns[] = $campaign;
      }
    }
    return $campaigns;
  }

  /**
   * Gets an individual campaign.
   *
   * @access    public
   */
  function get_campaign($id) {
    $xml = $this
      ->load_url("campaigns/{$id}");
    if (!$xml) {
      return FALSE;
    }

    // Parse into nicer array.
    $campaign = FALSE;
    $_campaign = isset($xml['entry']) ? $xml['entry'] : FALSE;

    // Parse into nicer array.
    if (is_array($_campaign)) {
      $id = $this
        ->get_id_from_link($_campaign['link_attr']['href']);
      $campaign = $_campaign['content']['Campaign'];
      $campaign['id'] = $id;
    }
    return $campaign;
  }

  /**
   * Deletes a campaign.
   *
   * @access    public
   */
  function delete_campaign($id) {
    $this
      ->http_set_content_type('text/html');
    $this
      ->load_url("campaigns/{$id}", 'delete', array(), 204);
    if (intval($this->http_response_code) === 204) {
      return TRUE;
    }
    return FALSE;
  }

  /**
   * Creates a new campaign.
   *
   * @access    public
   */
  function create_campaign($title, $contact_lists = array(), $options = array()) {
    $email = isset($options['EmailAddress']) ? $options['EmailAddress'] : '';
    unset($options['EmailAddress']);
    $xml_post = '<?xml version="1.0" encoding="UTF-8"?>
<entry xmlns="http://www.w3.org/2005/Atom">
  <link href="/ws/customers/' . $this->api_username . '/campaigns" rel="edit" />
  <id>' . $this
      ->get_http_api_url() . 'campaigns</id>
  <title type="text">' . $title . '</title>
  <updated>2009-10-19T18:34:53.105Z</updated>
  <author>
    <name>Constant Contact</name>
  </author>
  <content type="application/vnd.ctct+xml">
    <Campaign xmlns="http://ws.constantcontact.com/ns/1.0/"
id="' . $this
      ->get_http_api_url() . 'campaigns/1100546096289">
      <Name>' . $title . '</Name>
      <Status>Draft</Status>
      <Date>2009-10-19T18:34:53.105Z</Date>
';
    if (!is_array($options)) {
      trigger_error('Third argument to create_campaign() should be an array', E_USER_ERROR);
    }
    foreach ($options as $fieldname => $fieldvalue) {
      if (isset($options[$fieldname])) {
        $xml_post .= "<{$fieldname}>{$fieldvalue}</{$fieldname}>\n";
      }
    }
    if (is_array($contact_lists)) {
      $xml_post .= '<ContactLists>';
      foreach ($contact_lists as $id) {
        $xml_post .= '
				<ContactList id="' . $this
          ->get_list_url($id) . '">
				<link xmlns="http://www.w3.org/2005/Atom" href="' . $this
          ->get_list_url($id, 0) . '" rel="self" />
				</ContactList>
			  ';
      }
      $xml_post .= '</ContactLists>';
    }
    if ($email) {
      $email = $this
        ->get_emails($email);
      if (!isset($email['id'])) {
        $this->last_error = 'Invalid Email Address, the email address must exist in your constant contact account to be able to send an email from this address';
        return FALSE;
      }
      $xml_post .= '
			<FromEmail>
			<Email id="' . $this
        ->get_http_api_url() . 'settings/emailaddresses/' . $email['id'] . '">
			<link xmlns="http://www.w3.org/2005/Atom" href="' . $this->api_uri . 'settings/emailaddresses/' . $email['id'] . '" rel="self" />
			</Email>
			<EmailAddress>' . $email['EmailAddress'] . '</EmailAddress>
			</FromEmail>
			<ReplyToEmail>
			<Email id="' . $this
        ->get_http_api_url() . 'settings/emailaddresses/' . $email['id'] . '">
			<link xmlns="http://www.w3.org/2005/Atom" href="' . $this->api_uri . 'settings/emailaddresses/' . $email['id'] . '" rel="self" />
			</Email>
			<EmailAddress>' . $email['EmailAddress'] . '</EmailAddress>
			</ReplyToEmail>
			';
    }
    $xml_post .= '
	</Campaign>
	</content>
	<source>
		<id>' . $this
      ->get_http_api_url() . 'campaigns</id>
		<title type="text">Campaigns for customer: ' . $this->api_username . '</title>
		<link href="campaigns" />
		<link href="campaigns" rel="self" />
		<author>
			<name>' . $this->api_username . '</name>
		</author>
		<updated>2009-10-19T19:36:12.622Z</updated>
	</source>
</entry>';
    $this
      ->http_set_content_type('application/atom+xml');
    $xml = $this
      ->load_url("campaigns", 'post', $xml_post, 201);
    if ($xml) {
      return TRUE;
    }

    /*
    if(isset($this->http_response_headers['Location']) && trim($this->http_response_headers['Location']) != ''){
        return $this->get_id_from_link($this->http_response_headers['Location']);
    }
    */
    return FALSE;
  }

  /**
   * Queries the API for campaigns with a certain status.
   *
   * Supported status codes are:
   * SENT        All campaigns that have been sent and not currently scheduled for resend
   * SCHEDULED    All campaigns that are currently scheduled to be sent some time in the future
   * DRAFT        All campaigns that have not yet been scheduled for delivery
   * RUNNING        All campaigns that are currently being processed and delivered
   *
   * @access    public
   */
  function query_campaigns($status = 'SENT') {
    $xml = $this
      ->load_url('campaigns?status=' . urlencode($status));
    if (!$xml) {
      return FALSE;
    }

    // Parse into nicer array.
    $campaigns = array();
    $_campaigns = isset($xml['feed']['entry']) ? $xml['feed']['entry'] : FALSE;
    if (is_array($_campaigns)) {
      if (isset($_campaigns[0]['link_attr']['href'])) {
        foreach ($_campaigns as $k => $v) {
          $id = $this
            ->get_id_from_link($v['link_attr']['href']);
          $campaign = $v['content']['Campaign'];
          $campaign['id'] = $id;
          $campaigns[] = $campaign;
        }
      }
      else {
        $id = $this
          ->get_id_from_link($_campaigns['link_attr']['href']);
        $campaign = $_campaigns['content']['Campaign'];
        $campaign['id'] = $id;
        $campaigns[] = $campaign;
      }
    }
    return $campaigns;
  }

  /**
   * Gets all account email addresses or a single email.
   *
   * These are used with the campaigns collection.
   *
   * @access    public
   */
  function get_emails($return_email = '') {
    $xml = $this
      ->load_url("settings/emailaddresses");
    if (!$xml) {
      return FALSE;
    }

    // Parse into nicer array.
    $emails = array();
    $_emails = isset($xml['feed']['entry']) ? $xml['feed']['entry'] : FALSE;
    if (is_array($_emails)) {
      if (isset($_emails[0]['link_attr']['href'])) {
        foreach ($_emails as $k => $v) {
          $id = $this
            ->get_id_from_link($v['link_attr']['href']);
          $email = $v['content']['Email'];
          $email['id'] = $id;
          if ($return_email && $return_email == $v['content']['Email']['EmailAddress']) {

            // return single email
            return $email;
          }
          $emails[] = $email;
        }
      }
      else {
        $id = $this
          ->get_id_from_link($_emails['link_attr']['href']);
        $email = $_emails['content']['Email'];
        $email['id'] = $id;
        $emails[] = $email;
        if ($return_email && $return_email == $_emails['content']['Email']['EmailAddress']) {

          // return single email
          return $email;
        }
      }
    }
    return $emails;
  }

  /**
   * Converts datetime from 2008-08-05T16:50:04.534Z format to UNIX timestamp.
   *
   *
   * @access    public
   */
  function convert_timestamp($timestamp) {
    $timestamp_bits = explode('T', $timestamp);
    if (isset($timestamp_bits[0], $timestamp_bits[0])) {
      $date_bits = explode('-', $timestamp_bits[0]);
      $time_bits = explode(':', $timestamp_bits[1]);
      $year = $date_bits[0];
      $month = $date_bits[1];
      $day = $date_bits[2];
      $hour = $time_bits[0];
      $minute = $time_bits[1];
      $second = $time_bits[2];
      return mktime($hour, $minute, 0, $month, $day, $year);
    }
    return FALSE;
  }

  /**
   * Helper method to get the unique ID of a resource.
   *
   * Unique ID's are used to identify a specific resource such as a contact or
   * contact list and are passed as arguments to some of the methods. This is
   * also used to get just the last piece of the URL in other functions.
   *
   * @see get_lists()
   *
   * @access    public
   */
  function get_id_from_link($link) {
    $link_bits = explode('/', $link);
    return $link_bits[count($link_bits) - 1];
  }

  /**
   * Converts a string comtaining XML into a nicely formatted PHP array.
   *
   * @access    private
   */
  function xml_to_array($contents, $get_attributes = 1, $priority = 'tag') {
    if (!$contents) {
      return array();
    }
    if (!function_exists('xml_parser_create')) {
      trigger_error("XML not supported: " . "http://www.php.net/manual/en/ref.xml.php", E_USER_ERROR);
      return array();
    }
    $output_encoding = 'ISO-8859-1';
    $input_encoding = NULL;
    $detect_encoding = TRUE;
    list($parser, $source) = $this
      ->xml_create_parser($contents, $output_encoding, $input_encoding, $detect_encoding);
    if (!is_resource($parser)) {
      trigger_error("Failed to create an instance of PHP's XML parser. " . "http://www.php.net/manual/en/ref.xml.php", E_USER_ERROR);
    }
    xml_parser_set_option($parser, XML_OPTION_CASE_FOLDING, 0);
    xml_parser_set_option($parser, XML_OPTION_SKIP_WHITE, 1);
    xml_parse_into_struct($parser, trim($contents), $xml_values);
    xml_parser_free($parser);
    if (!$xml_values) {
      return;
    }

    //Hmm...

    //Initializations.
    $xml_array = array();
    $parents = array();
    $opened_tags = array();
    $arr = array();
    $current =& $xml_array;

    // Go through the tags.
    $repeated_tag_index = array();

    // Multiple tags with same name will be turned into an array.
    foreach ($xml_values as $data) {

      // Remove existing values, or there will be trouble.
      unset($attributes, $value);

      // Extract these variables into the foreach scope
      // tag(string), type(string), level(int), attributes(array).
      extract($data);
      $result = array();
      $attributes_data = array();
      if (isset($value)) {
        if ($priority == 'tag') {
          $result = $value;
        }
        else {

          // Put the value in a assoc array if we are in the 'Attribute' mode
          $result['value'] = $value;
        }
      }

      // Set the attributes too.
      if (isset($attributes) and $get_attributes) {
        foreach ($attributes as $attr => $val) {
          if ($priority == 'tag') {
            $attributes_data[$attr] = $val;
          }
          else {

            // Set all the attributes in an array called 'attr'.
            $result['attr'][$attr] = $val;
          }
        }
      }

      // See tag status and do the needed.
      if ($type == "open") {

        // The starting of the tag '<tag>'
        $parent[$level - 1] =& $current;
        if (!is_array($current) or !in_array($tag, array_keys($current))) {

          //Insert New tag
          $current[$tag] = $result;
          if ($attributes_data) {
            $current[$tag . '_attr'] = $attributes_data;
          }
          $repeated_tag_index[$tag . '_' . $level] = 1;
          $current =& $current[$tag];
        }
        else {

          // There was another element with the same tag name.
          if (isset($current[$tag][0])) {

            //If there is a 0th element it is already an array
            $current[$tag][$repeated_tag_index[$tag . '_' . $level]] = $result;
            $repeated_tag_index[$tag . '_' . $level]++;
          }
          else {

            // This section will make the value an array if multiple tags with
            // the same name appear together.
            $current[$tag] = array(
              $current[$tag],
              $result,
            );

            // This will combine the existing item and the new item together to
            // make an array
            $repeated_tag_index[$tag . '_' . $level] = 2;
            if (isset($current[$tag . '_attr'])) {

              // The attribute of the last(0th) tag must be moved as well.
              $current[$tag]['0_attr'] = $current[$tag . '_attr'];
              unset($current[$tag . '_attr']);
            }
          }
          $last_item_index = $repeated_tag_index[$tag . '_' . $level] - 1;
          $current =& $current[$tag][$last_item_index];
        }
      }
      elseif ($type == "complete") {

        //Tags that ends in 1 line '<tag />'

        //See if the key is already taken.
        if (!isset($current[$tag])) {

          //New Key
          $current[$tag] = $result;
          $repeated_tag_index[$tag . '_' . $level] = 1;
          if ($priority == 'tag' and $attributes_data) {
            $current[$tag . '_attr'] = $attributes_data;
          }
        }
        else {

          // If taken, put all things inside a list(array).
          if (isset($current[$tag][0]) and is_array($current[$tag])) {

            // If it is already an array push the new element into that array.
            $current[$tag][$repeated_tag_index[$tag . '_' . $level]] = $result;
            if ($priority == 'tag' and $get_attributes and $attributes_data) {
              $current[$tag][$repeated_tag_index[$tag . '_' . $level] . '_attr'] = $attributes_data;
            }
            $repeated_tag_index[$tag . '_' . $level]++;
          }
          else {

            // If it is not an array.
            $current[$tag] = array(
              $current[$tag],
              $result,
            );

            // Make it an array using using the existing value and the new value.
            $repeated_tag_index[$tag . '_' . $level] = 1;
            if ($priority == 'tag' and $get_attributes) {
              if (isset($current[$tag . '_attr'])) {

                // The attribute of the last(0th) tag must be moved as well.
                $current[$tag]['0_attr'] = $current[$tag . '_attr'];
                unset($current[$tag . '_attr']);
              }
              if ($attributes_data) {
                $current[$tag][$repeated_tag_index[$tag . '_' . $level] . '_attr'] = $attributes_data;
              }
            }
            $repeated_tag_index[$tag . '_' . $level]++;

            //0 and 1 index is already taken
          }
        }
      }
      elseif ($type == 'close') {

        //End of tag '</tag>'
        $current =& $parent[$level - 1];
      }
    }
    return $xml_array;
  }

  /**
   * Return XML parser, and possibly re-encoded source.
   *
   * @access    private
   */
  function xml_create_parser($source, $out_enc, $in_enc, $detect) {
    if (drupal_substr(phpversion(), 0, 1) == 5) {
      $parser = $this
        ->xml_php5_create_parser($in_enc, $detect);
    }
    else {
      list($parser, $source) = $this
        ->xml_php4_create_parser($source, $in_enc, $detect);
    }
    if ($out_enc) {
      $this->xml_encoding = $out_enc;
      xml_parser_set_option($parser, XML_OPTION_TARGET_ENCODING, $out_enc);
    }
    return array(
      $parser,
      $source,
    );
  }

  /**
   * Instantiate an XML parser under PHP5.
   *
   * PHP5 will do a fine job of detecting input encoding iif passed an empty
   * string as the encoding.
   *
   * @access    private
   */
  function xml_php5_create_parser($in_enc, $detect) {

    // By default php5 does a fine job of detecting input encodings.
    if (!$detect && $in_enc) {
      return xml_parser_create($in_enc);
    }
    else {
      return xml_parser_create('');
    }
  }

  /**
   * Instaniate an XML parser under PHP4.
   *
   * Unfortunately PHP4's support for character encodings
   * and especially XML and character encodings sucks.  As
   * long as the documents you parse only contain characters
   * from the ISO-8859-1 character set (a superset of ASCII,
   * and a subset of UTF-8) you're fine.  However once you
   * step out of that comfy little world things get mad, bad,
   * and dangerous to know.
   *
   * The following code is based on SJM's work with FoF
   * @link http://minutillo.com/steve/weblog/2004/6/17/php-xml-and-character-encodings-a-tale-of-sadness-rage-and-data-loss
   * if passed an empty string as the encoding.
   *
   * @access    private
   */
  function xml_php4_create_parser($source, $in_enc, $detect) {
    if (!$detect) {
      return array(
        xml_parser_create($in_enc),
        $source,
      );
    }
    if (!$in_enc) {
      if (preg_match('/<?xml.*encoding=[\'"](.*?)[\'"].*?>/m', $source, $m)) {
        $in_enc = drupal_strtoupper($m[1]);
        $this->xml_source_encoding = $in_enc;
      }
      else {
        $in_enc = 'UTF-8';
      }
    }
    if ($this
      ->xml_known_encoding($in_enc)) {
      return array(
        xml_parser_create($in_enc),
        $source,
      );
    }

    // The dectected encoding is not one of the simple encodings PHP knows.
    // Attempt to use the iconv extension to cast the XML to a known encoding
    // @link http://php.net/iconv
    if (function_exists('iconv')) {
      $encoded_source = iconv($in_enc, 'UTF-8', $source);
      if ($encoded_source) {
        return array(
          xml_parser_create('UTF-8'),
          $encoded_source,
        );
      }
    }

    // iconv didn't work, try mb_convert_encoding
    // @link http://php.net/mbstring
    if (function_exists('mb_convert_encoding')) {
      $encoded_source = mb_convert_encoding($source, 'UTF-8', $in_enc);
      if ($encoded_source) {
        return array(
          xml_parser_create('UTF-8'),
          $encoded_source,
        );
      }
    }
    trigger_error(check_plain("Feed is in an unsupported character encoding. ({$in_enc}) " . "You may see strange artifacts, and mangled characters.", E_USER_ERROR));
  }

  /**
   * Checks if the given encoding is one of the known encodings.
   *
   *
   * @access    private
   */
  function xml_known_encoding($enc) {
    $enc = drupal_strtoupper($enc);
    if (in_array($enc, $this->xml_known_encodings)) {
      return $enc;
    }
    else {
      return FALSE;
    }
  }

  /**
   * Loads a specific URL, this method is used by the user friendly methods.
   *
   */
  function load_url($action = '', $method = 'get', $params = array(), $expected_http_code = 200) {
    $this
      ->http_send($this->api_url . $action, $method, $params);

    // Handle status codes.
    if (intval($expected_http_code) === $this->http_response_code) {
      if ($this->http_content_type) {
        return $this
          ->xml_to_array($this->http_response_body);
      }
      else {
        return $this->http_response_body;

        /* downloads the file */
      }
    }
    else {
      $this->last_error = "Invalid status code {$this->http_response_code}";

      // If there was an error sometimes the body contains useful info.
      return FALSE;
    }
  }

  /**
   * All methods below are prefixed with http_
   * These are all used to communicate with the CC server over HTTPS
   *
   */

  /**
   * Sets the Content-Type header value used for all HTTP requests
   *
   * @access    private
   */
  function http_set_content_type($content_type) {
    $this->http_content_type = $content_type;
  }

  /**
   * Creates the HTTP request.
   *
   * @param    string        The path of the resource to request eg. /index.php
   * @param    string        The method to use to make the request eg. GET
   * @param    array        An array of params to use for this HTTP request, eg. post data
   *
   * @access    private
   */
  function http_send($the_url, $method, $params = array()) {
    $this->http_response = '';
    $this->http_response_code = '';
    $this->http_method = $method;
    $method = drupal_strtoupper($method);
    $ch = curl_init($the_url);
    curl_setopt($ch, CURLOPT_USERAGENT, $this->http_user_agent);
    curl_setopt($ch, CURLOPT_HTTPAUTH, CURLAUTH_BASIC);
    curl_setopt($ch, CURLOPT_USERPWD, $this->http_user . ':' . $this->http_pass);
    curl_setopt($ch, CURLOPT_HEADER, 0);
    curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
    curl_setopt($ch, CURLOPT_HTTPHEADER, array(
      "Content-Type: {$this->http_content_type}",
    ));
    curl_setopt($ch, CURLOPT_TIMEOUT, $this->http_request_timeout);
    if ($method == 'POST' or $method == 'PUT' && count($params) > 0) {
      curl_setopt($ch, CURLOPT_POSTFIELDS, $params);
    }
    curl_setopt($ch, CURLOPT_FAILONERROR, 1);
    curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, 0);
    curl_setopt($ch, CURLOPT_CUSTOMREQUEST, $method);
    $this->http_response_body = curl_exec($ch);
    $this->http_response_info = curl_getinfo($ch);
    $this->http_response_error = curl_error($ch);
    $this->http_response_code = $this->http_response_info['http_code'];
    curl_close($ch);
  }

  /**
   * Returns a friendly error message for the given HTTP status error code.
   *
   * This can be used to better understand a status code returned by the API.
   *
   *
   * @access    private
   */
  function http_get_response_code_error($code) {
    $errors = array(
      200 => 'Success - The request was successful',
      201 => 'Created (Success) - The request was successful. The requested object/resource was created.',
      400 => 'Invalid Request - There are many possible causes for this error, but most commonly there is a problem with the structure or content of XML your application provided. Carefully review your XML. One simple test approach is to perform a GET on a URI and use the GET response as an input to a PUT for the same resource. With minor modifications, the input can be used for a POST as well.',
      401 => 'Unauthorized - This is an authentication problem. Primary reason is that the API call has either not provided a valid API Key, Account Owner Name and Associated Password or the API call attempted to access a resource (URI) which does not match the same as the Account Owner provided in the login credientials.',
      404 => 'URL Not Found - The URI which was provided was incorrect. Compare the URI you provided with the documented URIs. Start here.',
      409 => 'Conflict - There is a problem with the action you are trying to perform. Commonly, you are trying to "Create" (POST) a resource which already exists such as a Contact List or Email Address that already exists. In general, if a resource already exists, an application can "Update" the resource with a "PUT" request for that resource.',
      415 => 'Unsupported Media Type - The Media Type (Content Type) of the data you are sending does not match the expected Content Type for the specific action you are performing on the specific Resource you are acting on. Often this is due to an error in the content-type you define for your HTTP invocation (GET, PUT, POST). You will also get this error message if you are invoking a method (PUT, POST, DELETE) which is not supported for the Resource (URI) you are referencing.
		To understand which methods are supported for each resource, and which content-type is expected, see the documentation for that Resource.',
      500 => 'Server Error',
    );
    if (array_key_exists($code, $errors)) {
      return $errors[$code];
    }
    return '';
  }

}

Members

Namesort descending Modifiers Type Description Overrides
cc::$action_type property The action type used for API calls, action by customer or contact, important! If you abuse this setting it violates the terms of the API Do not edit this property directly, instead use the set_action_type() method.
cc::$api_key property The developers API key which is associated with the application PLEASE DO NOT CHANGE THIS API KEY
cc::$api_password property The API password which is passed to the constructor, always required
cc::$api_uri property This will be constructed automatically, same as above without the full URL
cc::$api_url property The URL to use for all API calls. DO NOT INCLUDE A TRAILING SLASH!
cc::$api_username property The API username which is passed to the constructor, always required
cc::$http_content_type property The Content-Type header to use for all HTTP requests.Do not edit this directly. Instead use set_content_type() method.
cc::$http_default_content_type property The default Content-Type header to use for all HTTP requests If no Content-Type header is set this is the default
cc::$http_host property The HTTP host used for the API This will be just the hostname of the API
cc::$http_linebreak property The line break used to separate HTTP headers.
cc::$http_method property The method to use for the HTTP request
cc::$http_pass property Password used for HTTP authentication
cc::$http_port property The HTTP port used for the API. This will be port 443 if using HTTPS or 80 is using HTTP
cc::$http_request property The full HTTP request body of the last HTTP request
cc::$http_request_headers property The HTTP requests headers.
cc::$http_request_timeout property HTTP request timeout in seconds This can be changed to any number you want
cc::$http_response property The full HTTP response of the last HTTP request
cc::$http_response_body property The HTTP response body of the last HTTP request
cc::$http_response_code property The HTTP response code of the last HTTP request
cc::$http_response_headers property The HTTP response headers.
cc::$http_url_bits property The results from a call to the PHP function
cc::$http_user property Username used for HTTP authentication. It contains the string used to authenticate. This will be built automatically from the API key and username
cc::$http_user_agent property The user-agent header to send with all API requests
cc::$last_error property The last error message, can be used to provide a descriptive error if something goes wrong
cc::$list_meta_data property Meta data relating to the last call to the get_lists method
cc::$member_meta_data property Meta data relating to the last call to the get_list_members method
cc::$xml_known_encodings property A list of encodings we support for the XML file
cc::cc function Constructor method.
cc::clear_contacts function Clear all contacts.
cc::convert_timestamp function Converts datetime from 2008-08-05T16:50:04.534Z format to UNIX timestamp.
cc::create_campaign function Creates a new campaign.
cc::create_contact function Creates a new contact.
cc::create_contacts function Bulk create contacts.
cc::create_list function Creates a new contact list.
cc::delete_campaign function Deletes a campaign.
cc::delete_contact function Deletes a contact.
cc::delete_list function Deletes a contact list.
cc::download_activity_file function Downloads an activity file.
cc::export_contacts function Creates a new export contacts activity.
cc::get_activities function Gets all activities.
cc::get_activity function Gets a single activity.
cc::get_all_lists function Gets all the contact lists for the CC account If more than one page exists we grab them too Second argument can be used to show/hide the do-not-mail etc lists This method also sorts the lists based on the SortOrder field
cc::get_campaign function Gets an individual campaign.
cc::get_campaigns function Gets all campaigns.
cc::get_contact function Gets a specific contact's details.
cc::get_contacts function Gets all contacts and allows paging of the results.
cc::get_emails function Gets all account email addresses or a single email.
cc::get_export_file_columns function Returns a list of the columns used in the export file
cc::get_http_api_url function This returns the HTTP URL for the API.
cc::get_id_from_link function Helper method to get the unique ID of a resource.
cc::get_list function Gets the details of a specific constant list.
cc::get_lists function Gets the contact lists for the CC account.
cc::get_list_members function Gets the members (contacts) in a specific contact list.
cc::get_list_url function Returns the full URL for list operations.
cc::get_service_description function This gets the service description file from CC
cc::http_get_response_code_error function Returns a friendly error message for the given HTTP status error code.
cc::http_send function Creates the HTTP request.
cc::http_set_content_type function Sets the Content-Type header value used for all HTTP requests
cc::load_url function Loads a specific URL, this method is used by the user friendly methods.
cc::query_campaigns function Queries the API for campaigns with a certain status.
cc::query_contacts function Queries the API for contacts with a similar email address to the input.
cc::set_action_type function IMPORTANT! This method sets the action type If a user performs the action themselves you should call this method with the param 'contact' This triggers the welcome email if a new subscriber You may get banned if you use this setting…
cc::set_api_key function This sets the API key to the given string You do not need to use this method unless your bundling the code into your own application If your application will be used by multiple users please create your own API key and call this
cc::show_last_connection function This method does a print_r on the http_request and http_response variables Useful for debugging the HTTP request
cc::show_request function Shows the last request
cc::show_response function Shows the last response
cc::sort_lists function Sort the lists based on the SortOrder field
cc::update_contact function Updates a contact.
cc::update_list function Updates an existing contact list.
cc::xml_create_parser function Return XML parser, and possibly re-encoded source.
cc::xml_known_encoding function Checks if the given encoding is one of the known encodings.
cc::xml_php4_create_parser function Instaniate an XML parser under PHP4.
cc::xml_php5_create_parser function Instantiate an XML parser under PHP5.
cc::xml_to_array function Converts a string comtaining XML into a nicely formatted PHP array.