course_certificate.module in Course 6

File

modules/course_certificate/course_certificate.module

<?php

/**
 * Implements hook_course_outline_completion_links_alter().
 *
 * Add a download certificate link.
 */
function course_certificate_course_outline_completion_links_alter(&$links, $node, $account) {
  $course = course_get_course($node);
  if (course_certificate_course_has_certificate($course)) {
    $links['certificate'] = array(
      'Download certificate',
      "node/{$node->nid}/certificate",
      'Download a PDF of your certificate.',
    );
  }
}

/**
 * Check if there is a Certificate on this Course.
 */
function course_certificate_course_has_certificate($course) {
  foreach ($course
    ->getObjects() as $courseObject) {
    if ($courseObject
      ->getComponent() == 'certificate') {
      return TRUE;
    }
  }
  return FALSE;
}

/**
 * Implements hook_access_certificate().
 *
 * If something entered a complete record into the reports table, return TRUE.
 */
function course_certificate_access_certificate($node, $user) {
  if (course_node_is_course($node)) {
    $course = course_get_course($node);
    $has_certificate = course_certificate_course_has_certificate($course);
    $sql = "SELECT 1 FROM {course_report} WHERE nid = %d AND uid = %d AND complete = %d";
    return $has_certificate && (bool) db_result(db_query($sql, $node->nid, $user->uid, 1));
  }
}

/**
 * Implements hook_token_list().
 */
function course_certificate_token_list($type = 'all') {
  if ($type == 'certificate') {
    $tokens = array();
    $tokens['certificate']["certificate-date_completed"] = t('Date of course completion');
    $tokens['certificate']['certificate-number'] = 'Generated certificate number';
    return $tokens;
  }
}

/**
 * Implements hook_token_values().
 */
function course_certificate_token_values($type, $object = NULL, $options = array()) {
  if ($type == 'certificate') {
    $values = array();
    $sql = 'SELECT * FROM {course_report} WHERE nid = %d AND uid = %d';
    if ($report = db_fetch_object(db_query($sql, $object['node']->nid, $object['user']->uid))) {
      $values['certificate-date_completed'] = date(variable_get('course_report_certificate_time_format', 'F jS, Y'), $report->date_completed);
    }
    $values['certificate-number'] = time() . '-' . $object['node']->nid;
    return $values;
  }
}

/**
 * Implements hook_course_handlers().
 */
function course_certificate_course_handlers() {

  // Expose certificate as a course object.
  return array(
    'object' => array(
      'certificate' => array(
        'name' => t('Certificate'),
        'description' => t('A certificate course object.'),
        'class' => 'CourseObjectCertificate',
      ),
    ),
  );
}

Functions

Name	Description
course_certificate_access_certificate	Implements hook_access_certificate().
course_certificate_course_handlers	Implements hook_course_handlers().
course_certificate_course_has_certificate	Check if there is a Certificate on this Course.
course_certificate_course_outline_completion_links_alter	Implements hook_course_outline_completion_links_alter().
course_certificate_token_list	Implements hook_token_list().
course_certificate_token_values	Implements hook_token_values().