dirroot.'/mod/lesson/locallib.php');
require_once($CFG->dirroot.'/mod/lesson/lib.php');
require_once($CFG->dirroot.'/mod/lesson/pagelib.php');
require_once($CFG->libdir.'/blocklib.php');
$id = required_param('id', PARAM_INT); // Course Module ID
$pageid = optional_param('pageid', NULL, PARAM_INT); // Lesson Page ID
$edit = optional_param('edit', -1, PARAM_BOOL);
list($cm, $course, $lesson) = lesson_get_basics($id);
require_login($course->id, false, $cm);
$context = get_context_instance(CONTEXT_MODULE, $cm->id);
/// Check these for students only TODO: Find a better method for doing this!
/// Check lesson availability
/// Check for password
/// Check dependencies
/// Check for high scores
if (!has_capability('mod/lesson:manage', $context)) {
if (($lesson->available != 0 and time() < $lesson->available) or
($lesson->deadline != 0 and time() > $lesson->deadline)) { // Deadline restrictions
if ($lesson->deadline != 0 and time() > $lesson->deadline) {
$message = get_string('lessonclosed', 'lesson', userdate($lesson->deadline));
} else {
$message = get_string('lessonopen', 'lesson', userdate($lesson->available));
}
lesson_print_header($cm, $course, $lesson);
print_simple_box_start('center');
echo '';
echo '
'.$message.'
';
echo '
';
echo '
';
print_simple_box_start('center');
print_string('completethefollowingconditions', 'lesson', $dependentlesson->name);
echo '
'.implode('
'.get_string('and', 'lesson').'
', $errors).'
';
print_simple_box_end();
echo '';
print_footer($course);
exit();
}
}
} else if ($lesson->highscores and !$lesson->practice and !optional_param('viewed', 0) and empty($pageid)) {
// Display high scores before starting lesson
redirect("$CFG->wwwroot/mod/lesson/highscores.php?id=$cm->id");
}
}
// set up some general variables
$path = $CFG->wwwroot .'/course';
// this is called if a student leaves during a lesson
if($pageid == LESSON_UNSEENBRANCHPAGE) {
$pageid = lesson_unseen_question_jump($lesson->id, $USER->id, $pageid);
}
// display individual pages and their sets of answers
// if pageid is EOL then the end of the lesson has been reached
// for flow, changed to simple echo for flow styles, michaelp, moved lesson name and page title down
$attemptflag = false;
if (empty($pageid)) {
// make sure there are pages to view
if (!$DB->get_field('lesson_pages', 'id', array('lessonid' => $lesson->id, 'prevpageid' => 0))) {
if (!has_capability('mod/lesson:manage', $context)) {
lesson_set_message(get_string('lessonnotready', 'lesson', $course->teacher)); // a nice message to the student
} else {
if (!$DB->count_records('lesson_pages', array('lessonid'=>$lesson->id))) {
redirect("$CFG->wwwroot/mod/lesson/edit.php?id=$cm->id"); // no pages - redirect to add pages
} else {
lesson_set_message(get_string('lessonpagelinkingbroken', 'lesson')); // ok, bad mojo
}
}
}
add_to_log($course->id, 'lesson', 'start', 'view.php?id='. $cm->id, $lesson->id, $cm->id);
// if no pageid given see if the lesson has been started
$params = array ("lessonid" => $lesson->id, "userid" => $USER->id);
if ($grades = $DB->get_records_select('lesson_grades', 'lessonid = :lessonid AND userid = :userid', $params,
'grade DESC')) {
$retries = count($grades);
} else {
$retries = 0;
}
if ($retries) {
$attemptflag = true;
}
if (isset($USER->modattempts[$lesson->id])) {
unset($USER->modattempts[$lesson->id]); // if no pageid, then student is NOT reviewing
}
// if there are any questions have been answered correctly in this attempt
$params = array ("lessonid" => $lesson->id, "userid" => $USER->id, "retry" => $retries);
if ($attempts = $DB->get_records_select('lesson_attempts',
"lessonid = :lessonid AND userid = :userid AND retry = :retry AND
correct = 1", $params, 'timeseen DESC')) {
foreach ($attempts as $attempt) {
$jumpto = $DB->get_field('lesson_answers', 'jumpto', array('id' => $attempt->answerid));
// convert the jumpto to a proper page id
if ($jumpto == 0) { // unlikely value!
$lastpageseen = $attempt->pageid;
} elseif ($jumpto == LESSON_NEXTPAGE) {
if (!$lastpageseen = $DB->get_field('lesson_pages', 'nextpageid', array('id' => $attempt->pageid))) {
// no nextpage go to end of lesson
$lastpageseen = LESSON_EOL;
}
} else {
$lastpageseen = $jumpto;
}
break; // only look at the latest correct attempt
}
} else {
$attempts = NULL;
}
$params = array ("lessonid" => $lesson->id, "userid" => $USER->id, "retry" => $retries);
if ($branchtables = $DB->get_records_select('lesson_branch',
"lessonid = :lessonid AND userid = :userid AND retry = :retry", $params, 'timeseen DESC')) {
// in here, user has viewed a branch table
$lastbranchtable = current($branchtables);
if ($attempts != NULL) {
foreach($attempts as $attempt) {
if ($lastbranchtable->timeseen > $attempt->timeseen) {
// branch table was viewed later than the last attempt
$lastpageseen = $lastbranchtable->pageid;
}
break;
}
} else {
// hasnt answered any questions but has viewed a branch table
$lastpageseen = $lastbranchtable->pageid;
}
}
//if ($lastpageseen != $firstpageid) {
if (isset($lastpageseen) and $DB->count_records('lesson_attempts', array('lessonid'=>$lesson->id, 'userid'=>$USER->id, 'retry'=>$retries)) > 0) {
// get the first page
if (!$firstpageid = $DB->get_field('lesson_pages', 'id', array('lessonid' => $lesson->id,
'prevpageid' => 0))) {
print_error('cannotfindfirstpage', 'lesson');
}
lesson_print_header($cm, $course, $lesson);
if ($lesson->timed) {
if ($lesson->retake) {
print_simple_box(''. get_string('leftduringtimed', 'lesson') .'
', 'center');
echo '';
} else {
print_simple_box_start('center');
echo '';
echo get_string('leftduringtimednoretake', 'lesson');
echo '
';
echo '
".get_string('youhaveseen','lesson').'
',
"center");
echo '';
echo '';
}
print_footer($course);
exit();
}
if ($grades) {
foreach ($grades as $grade) {
$bestgrade = $grade->grade;
break;
}
if (!$lesson->retake) {
lesson_print_header($cm, $course, $lesson, 'view');
print_simple_box_start('center');
echo "";
echo get_string("noretake", "lesson");
echo "
';
echo "
'.
format_text($page->contents, FORMAT_MOODLE, $options).
'
', 'center');
}
// this is for modattempts option. Find the users previous answer to this page,
// and then display it below in answer processing
if (isset($USER->modattempts[$lesson->id])) {
$retries = $DB->count_records('lesson_grades', array("lessonid"=>$lesson->id, "userid"=>$USER->id));
$retries--;
$params = array ("lessonid" => $lesson->id, "userid" => $USER->id, "pageid" => $page->id, "retry" => $retries);
if (! $attempts = $DB->get_records_select("lesson_attempts", "lessonid = :lessonid AND userid = :userid AND pageid = :pageid AND retry = :retry", $params, "timeseen")) {
print_error('cannotfindpreattempt', 'lesson');
}
$attempt = end($attempts);
}
// get the answers in a set order, the id order
if ($answers = $DB->get_records("lesson_answers", array("pageid" => $page->id), "id")) {
if ($page->qtype != LESSON_BRANCHTABLE) { // To fix XHTML problem (BT have their own forms)
echo "\n";
}
} else {
// a page without answers - find the next (logical) page
echo "\n";
}
// Finish of the page
lesson_print_progress_bar($lesson, $course);
require($CFG->dirroot.'/mod/lesson/viewend.html');
} else {
// end of lesson reached work out grade
// Used to check to see if the student ran out of time
$outoftime = optional_param('outoftime', '', PARAM_ALPHA);
// Update the clock / get time information for this user
if (!has_capability('mod/lesson:manage', $context)) {
unset($USER->startlesson[$lesson->id]);
$params = array ("lessonid" => $lesson->id, "userid" => $USER->id);
if (!$timer = $DB->get_records_select('lesson_timer', "lessonid = :lessonid AND userid = :userid", $params, 'starttime')) {
print_error('cannotfindtimer', 'lesson');
} else {
$timer = array_pop($timer); // this will get the latest start time record
}
$timer->lessontime = time();
if (!$DB->update_record("lesson_timer", $timer)) {
print_error('cannotupdatetimer', 'lesson');
}
}
add_to_log($course->id, "lesson", "end", "view.php?id=$cm->id", "$lesson->id", $cm->id);
lesson_print_header($cm, $course, $lesson, 'view');
print_heading(get_string("congratulations", "lesson"));
print_simple_box_start("center");
$ntries = $DB->count_records("lesson_grades", array("lessonid"=>$lesson->id, "userid"=>$USER->id));
if (isset($USER->modattempts[$lesson->id])) {
$ntries--; // need to look at the old attempts :)
}
if (!has_capability('mod/lesson:manage', $context)) {
$gradeinfo = lesson_grade($lesson, $ntries);
if ($gradeinfo->attempts) {
if (!$lesson->custom) {
echo "".get_string("numberofpagesviewed", "lesson", $gradeinfo->nquestions).
"
\n";
if ($lesson->minquestions) {
if ($gradeinfo->nquestions < $lesson->minquestions) {
// print a warning and set nviewed to minquestions
echo "".get_string("youshouldview", "lesson",
$lesson->minquestions)."
\n";
}
}
echo "".get_string("numberofcorrectanswers", "lesson", $gradeinfo->earned).
"
\n";
}
$a = new stdClass;
$a->score = $gradeinfo->earned;
$a->grade = $gradeinfo->total;
if ($gradeinfo->nmanual) {
$a->tempmaxgrade = $gradeinfo->total - $gradeinfo->manualpoints;
$a->essayquestions = $gradeinfo->nmanual;
echo "".get_string("displayscorewithessays", "lesson", $a)."
";
} else {
echo "".get_string("displayscorewithoutessays", "lesson", $a)."
";
}
$a = new stdClass;
$a->grade = number_format($gradeinfo->grade * $lesson->grade / 100, 1);
$a->total = $lesson->grade;
echo "".get_string('yourcurrentgradeisoutof', 'lesson', $a)."
\n";
$grade->lessonid = $lesson->id;
$grade->userid = $USER->id;
$grade->grade = $gradeinfo->grade;
$grade->completed = time();
if (!$lesson->practice) {
if (isset($USER->modattempts[$lesson->id])) { // if reviewing, make sure update old grade record
$params = array ("lessonid" => $lesson->id, "userid" => $USER->id);
if (!$grades = $DB->get_records_select("lesson_grades", "lessonid = :lessonid and userid = :userid", $params, "completed")) {
print_error('cannotfindgrade', 'lesson');
}
$oldgrade = end($grades);
$grade->id = $oldgrade->id;
if (!$update = $DB->update_record("lesson_grades", $grade)) {
print_error('cannotupdategrade', 'lesson');
}
} else {
if (!$newgradeid = $DB->insert_record("lesson_grades", $grade)) {
print_error('cannotinsertgrade', 'lesson');
}
}
} else {
if (!$DB->delete_records("lesson_attempts", array("lessonid" => $lesson->id, "userid" => $USER->id, "retry" => $ntries))) {
print_error('cannotdeleteattempt', 'lesson');
}
}
} else {
if ($lesson->timed) {
if ($outoftime == 'normal') {
$grade = new stdClass;
$grade->lessonid = $lesson->id;
$grade->userid = $USER->id;
$grade->grade = 0;
$grade->completed = time();
if (!$lesson->practice) {
if (!$newgradeid = $DB->insert_record("lesson_grades", $grade)) {
print_error('cannotinsertgrade', 'lesson');
}
}
echo get_string("eolstudentoutoftimenoanswers", "lesson");
}
} else {
echo get_string("welldone", "lesson");
}
}
// update central gradebook
lesson_update_grades($lesson, $USER->id);
} else {
// display for teacher
echo "".get_string("displayofgrade", "lesson")."
\n";
}
print_simple_box_end(); //End of Lesson button to Continue.
// after all the grade processing, check to see if "Show Grades" is off for the course
// if yes, redirect to the course page
if (!$course->showgrades) {
redirect($CFG->wwwroot.'/course/view.php?id='.$course->id);
}
// high scores code
if ($lesson->highscores && !has_capability('mod/lesson:manage', $context) && !$lesson->practice) {
echo "";
$params = array ("lessonid" => $lesson->id);
if ($grades = $DB->get_records_select("lesson_grades", "lessonid = :lessonid", $params, "completed")) {
$madeit = false;
if ($highscores = $DB->get_records_select("lesson_high_scores", "lessonid = :lessonid", $params)) {
// get all the high scores into an array
$topscores = array();
$uniquescores = array();
foreach ($highscores as $highscore) {
$grade = $grades[$highscore->gradeid]->grade;
$topscores[] = $grade;
$uniquescores[$grade] = 1;
}
// sort to find the lowest score
sort($topscores);
$lowscore = $topscores[0];
if ($gradeinfo->grade >= $lowscore || count($uniquescores) <= $lesson->maxhighscores) {
$madeit = true;
}
}
if (!$highscores or $madeit) {
echo '
'.get_string("youmadehighscore", "lesson", $lesson->maxhighscores).
'
';
} else {
echo get_string("nothighscore", "lesson", $lesson->maxhighscores)."
";
}
}
echo "
';
echo "
".get_string("modattemptsnoteacher", "lesson")."
";
}
if ($lesson->activitylink) {
if ($module = $DB->get_record('course_modules', array('id' => $lesson->activitylink))) {
if ($modname = $DB->get_field('modules', 'name', array('id' => $module->module)))
if ($instance = $DB->get_record($modname, array('id' => $module->instance))) {
echo "\n";
}
}
}
echo "\n";
echo "\n";
}
/// Finish the page
print_footer($course);
?>