public function redirect_to_first_answer($canmanage) {
global $USER, $PAGE;
$answer = array_shift($this->get_answers());
$jumpto = $answer->jumpto;
if ($jumpto == LESSON_RANDOMBRANCH) {
$jumpto = lesson_unseen_branch_jump($this->lesson, $USER->id);
} elseif ($jumpto == LESSON_CLUSTERJUMP) {
if (!$canmanage) {
$jumpto = $this->lesson->cluster_jump($this->properties->id);
} else {
if ($this->properties->nextpageid == 0) {
$jumpto = LESSON_EOL;
} else {
$jumpto = $this->properties->nextpageid;
}
}
} else if ($answer->jumpto == LESSON_NEXTPAGE) {
if ($this->properties->nextpageid == 0) {
$jumpto = LESSON_EOL;
} else {
$jumpto = $this->properties->nextpageid;
}
} else if ($jumpto == 0) {
$jumpto = $this->properties->id;
} else if ($jumpto == LESSON_PREVIOUSPAGE) {
$jumpto = $this->properties->prevpageid;
}
redirect(new moodle_url('/mod/lesson/view.php', array('id'=>$PAGE->cm->id,'pageid'=>$jumpto)));
}
}
}
// convert jumpto page into a proper page id
if ($newpageid == 0) {
$newpageid = $pageid;
} elseif ($newpageid == LESSON_NEXTPAGE) {
if (!($newpageid = $page->nextpageid)) {
// no nextpage go to end of lesson
$newpageid = LESSON_EOL;
}
} elseif ($newpageid == LESSON_PREVIOUSPAGE) {
$newpageid = $page->prevpageid;
} elseif ($newpageid == LESSON_RANDOMPAGE) {
$newpageid = lesson_random_question_jump($lesson->id, $pageid);
} elseif ($newpageid == LESSON_RANDOMBRANCH) {
$newpageid = lesson_unseen_branch_jump($lesson->id, $USER->id);
}
// no need to record anything in lesson_attempts
redirect("{$CFG->wwwroot}/mod/lesson/view.php?id={$cm->id}&pageid={$newpageid}");
break;
}
$attemptsremaining = 0;
$maxattemptsreached = 0;
if ($noanswer) {
$newpageid = $pageid;
// display same page again
} else {
$nretakes = count_records("lesson_grades", "lessonid", $lesson->id, "userid", $USER->id);
if (!has_capability('mod/lesson:manage', $context)) {
// record student's attempt
$attempt = new stdClass();
public function check_answer() {
global $USER, $DB, $PAGE, $CFG;
require_sesskey();
$newpageid = optional_param('jumpto', NULL, PARAM_INT);
// going to insert into lesson_branch
if ($newpageid == LESSON_RANDOMBRANCH) {
$branchflag = 1;
} else {
$branchflag = 0;
}
if ($grades = $DB->get_records("lesson_grades", array("lessonid" => $this->lesson->id, "userid" => $USER->id), "grade DESC")) {
$retries = count($grades);
} else {
$retries = 0;
}
$branch = new stdClass;
$branch->lessonid = $this->lesson->id;
$branch->userid = $USER->id;
$branch->pageid = $this->properties->id;
$branch->retry = $retries;
$branch->flag = $branchflag;
$branch->timeseen = time();
$DB->insert_record("lesson_branch", $branch);
// this is called when jumping to random from a branch table
$context = get_context_instance(CONTEXT_MODULE, $PAGE->cm->id);
if($newpageid == LESSON_UNSEENBRANCHPAGE) {
if (has_capability('mod/lesson:manage', $context)) {
$newpageid = LESSON_NEXTPAGE;
} else {
$newpageid = lesson_unseen_question_jump($this->lesson, $USER->id, $this->properties->id); // this may return 0
}
}
// convert jumpto page into a proper page id
if ($newpageid == 0) {
$newpageid = $this->properties->id;
} elseif ($newpageid == LESSON_NEXTPAGE) {
if (!$newpageid = $this->nextpageid) {
// no nextpage go to end of lesson
$newpageid = LESSON_EOL;
}
} elseif ($newpageid == LESSON_PREVIOUSPAGE) {
$newpageid = $this->prevpageid;
} elseif ($newpageid == LESSON_RANDOMPAGE) {
$newpageid = lesson_random_question_jump($this->lesson, $this->properties->id);
} elseif ($newpageid == LESSON_RANDOMBRANCH) {
$newpageid = lesson_unseen_branch_jump($this->lesson, $USER->id);
}
// no need to record anything in lesson_attempts
redirect(new moodle_url('/mod/lesson/view.php', array('id'=>$PAGE->cm->id,'pageid'=>$newpageid)));
}
// Check for endofclusters
if ($page->nextpageid == 0) {
$nextpageid = LESSON_EOL;
} else {
$nextpageid = $page->nextpageid;
}
redirect("{$CFG->wwwroot}/mod/lesson/view.php?id={$cm->id}&pageid={$nextpageid}");
} else {
if ($page->qtype == LESSON_ENDOFBRANCH) {
// Check for endofbranches
if ($answers = get_records('lesson_answers', 'pageid', $page->id, 'id')) {
// print_heading(get_string('endofbranch', 'lesson'));
foreach ($answers as $answer) {
// just need the first answer
if ($answer->jumpto == LESSON_RANDOMBRANCH) {
$answer->jumpto = lesson_unseen_branch_jump($lesson->id, $USER->id);
} elseif ($answer->jumpto == LESSON_CLUSTERJUMP) {
if (!has_capability('mod/lesson:manage', $context)) {
$answer->jumpto = lesson_cluster_jump($lesson->id, $USER->id, $pageid);
} else {
if ($page->nextpageid == 0) {
$answer->jumpto = LESSON_EOL;
} else {
$answer->jumpto = $page->nextpageid;
}
}
} else {
if ($answer->jumpto == LESSON_NEXTPAGE) {
if ($page->nextpageid == 0) {
$answer->jumpto = LESSON_EOL;
} else {
