simplenews_statistics_handler_opens.inc in Simplenews Statistics 7

Definition of simplenews_statistics_handler_opens.

File

includes/views/handlers/simplenews_statistics_handler_opens.inc

<?php

/**
 * @file
 * Definition of simplenews_statistics_handler_opens.
 */

/**
 * Description.
 */
class simplenews_statistics_handler_opens extends views_handler_field {

  /**
   * Add some required fields needed on render().
   */
  function construct() {
    parent::construct();
    $this->additional_fields['nid'] = array(
      'table' => 'node',
      'field' => 'nid',
    );
    $this->additional_fields['sent_subscriber_count'] = array(
      'table' => 'simplenews_newsletter',
      'field' => 'sent_subscriber_count',
    );
  }

  /**
   * Loads additional fields.
   */
  function query() {
    $this
      ->ensure_my_table();
    $this
      ->add_additional_fields();
  }

  /**
   * Default options form.
   */
  function option_definition() {
    $options = parent::option_definition();
    $options['open_rate_precision'] = array(
      'default' => '0',
    );
    return $options;
  }

  /**
   * Creates the form item for the options added.
   */
  function options_form(&$form, &$form_state) {
    parent::options_form($form, $form_state);
    if ($this->real_field == 'open_rate') {
      $form['open_rate_precision'] = array(
        '#type' => 'textfield',
        '#title' => t('Precision'),
        '#default_value' => $this->options['open_rate_precision'],
        '#description' => t('Number of decimal places to which the open rate should be calculated.'),
      );
    }
  }

  /**
   * Renders the field handler.
   */
  function render($values) {
    $field = $this->real_field;
    $precision = intval($this->options['open_rate_precision']);
    $sent_count = $values->simplenews_newsletter_sent_subscriber_count;
    if ($field == 'total_opens') {
      $open_count = simplenews_statistics_count_opens($values->nid);
    }
    else {
      $open_count = simplenews_statistics_count_opens($values->nid, TRUE);
    }
    if ($field == 'open_rate' && $sent_count > 0) {
      return round($open_count / $sent_count * 100, $precision) . '%';
    }
    elseif ($field == 'open_rate' && $sent_count == 0) {
      return t('N/A');
    }
    return $open_count;
  }

}

Classes

Name	Description
simplenews_statistics_handler_opens	Description.