function _get_quiz_status_chart in Quiz 6.6

Same name and namespace in other branches

1. 8.6 modules/quiz_stats/quiz_stats.admin.inc \_get_quiz_status_chart()
2. 8.4 modules/quiz_stats/quiz_stats.admin.inc \_get_quiz_status_chart()
3. 8.5 modules/quiz_stats/quiz_stats.admin.inc \_get_quiz_status_chart()
4. 6.4 includes/quiz_stats/quiz_stats.admin.inc \_get_quiz_status_chart()
5. 7.6 modules/quiz_stats/quiz_stats.admin.inc \_get_quiz_status_chart()
6. 7 includes/quiz_stats/quiz_stats.admin.inc \_get_quiz_status_chart()
7. 7.4 includes/quiz_stats/quiz_stats.admin.inc \_get_quiz_status_chart()
8. 7.5 modules/quiz_stats/quiz_stats.admin.inc \_get_quiz_status_chart()
9. 6.x modules/quiz_stats/quiz_stats.admin.inc \_get_quiz_status_chart()

1 call to _get_quiz_status_chart()

quiz_dashboard_get_adv_stats in includes/quiz_dashboard/quiz_dashboard.admin.inc

File

includes/quiz_dashboard/quiz_dashboard.admin.inc, line 144

Code

function _get_quiz_status_chart($nid = 0, $uid = 0) {

  // get the pass rate of the given quiz by nid
  $pass_rate = db_result(db_query("SELECT pass_rate FROM {quiz_node_properties} WHERE nid = %d", intval($nid)));

  // get the count value of results row above and below pass rate
  $sql = "SELECT SUM(score > {$pass_rate}) AS no_pass, SUM(score < {$pass_rate}) AS no_fail, SUM(score = 0) AS no_incomplete FROM {quiz_node_results} WHERE nid = %d";
  $quiz = db_fetch_array(db_query($sql, intval($nid)));
  if ($quiz['no_pass'] + $quiz['no_fail'] + $quiz['no_incomplete'] < 3) {
    return;

    // no sufficient data
  }

  // generates quiz status chart 3D pie chart
  $output = '<div id="get_quiz_status_chart" class="quiz-dashboard-chart-space">';
  $output .= theme('get_quiz_status_chart', $quiz);
  $output .= '</div>';
  return $output;
}