if ($requesttype == 'postanswer' || $requesttype == 'getresults' || $requesttype == 'teacherrejoin') {
realtimequiz_send_results($quizid);
} else {
if ($requesttype == 'nextquestion') {
$clientquestionnum = required_param('currentquestion', PARAM_INT);
$questionid = $DB->get_field('realtimequiz', 'currentquestion', array('id' => $quizid));
$questionnum = $DB->get_field('realtimequiz_question', 'questionnum', array('id' => $questionid));
if ($clientquestionnum != $questionnum) {
realtimequiz_send_results($quizid);
} else {
$questionnum++;
realtimequiz_goto_question($context, $quizid, $questionnum);
}
} else {
realtimequiz_send_error(get_string('unknownrequest', 'realtimequiz') . $requesttype . '\'');
}
}
}
break;
case REALTIMEQUIZ_STATUS_FINALRESULTS:
// Showing the final totals, etc
realtimequiz_send_final_results($quizid);
break;
default:
realtimequiz_send_error(get_string('incorrectstatus', 'realtimequiz') . $status . '\'');
break;
}
}
}
}
realtimequiz_end_response();
function realtimequiz_goto_question($context, $quizid, $questionnum)
{
global $DB;
if (has_capability('mod/realtimequiz:control', $context)) {
$quiz = $DB->get_record('realtimequiz', array('id' => $quizid));
// Update the question statistics:
$quiz->classresult += $quiz->questionresult;
$quiz->questionresult = 0;
$questionid = $DB->get_field('realtimequiz_question', 'id', array('quizid' => $quizid, 'questionnum' => $questionnum));
if ($questionid) {
$quiz->currentquestion = $questionid;
$quiz->status = REALTIMEQUIZ_STATUS_PREVIEWQUESTION;
$quiz->nextendtime = time() + 2;
// Give everyone a chance to get the question before starting
$DB->update_record('realtimequiz', $quiz);
// FIXME - not update all fields?
realtimequiz_send_question($quizid, $context, true);
} else {
// Assume we have run out of questions
$quiz->status = REALTIMEQUIZ_STATUS_FINALRESULTS;
$DB->update_record('realtimequiz', $quiz);
// FIXME - not update all fields?
realtimequiz_send_final_results($quizid);
}
} else {
realtimequiz_send_error(get_string('notauthorised', 'realtimequiz'));
}
}
