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MDL-57643 mod_lesson: Refactor, move php code to locallib

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This commit is contained in:
Juan Leyva 2017-01-12 23:25:00 +01:00
parent 1034421264
commit 37029e468f
4 changed files with 117 additions and 64 deletions
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6
mod/lesson/continue.php
View File

@ -71,11 +71,7 @@ if (!$canmanage) {
// record answer (if necessary) and show response (if none say if answer is correct or not)
$page = $lesson->load_page(required_param('pageid', PARAM_INT));
$userhasgrade = $DB->count_records("lesson_grades", array("lessonid"=>$lesson->id, "userid"=>$USER->id));
$reviewmode = false;
if ($userhasgrade && !$lesson->retake) {
$reviewmode = true;
}
$reviewmode = $lesson->is_in_review_mode();
// Check the page has answers [MDL-25632]
if (count($page->answers) > 0) {

2
mod/lesson/essay.php
View File

@ -378,7 +378,7 @@ switch ($mode) {
$essaylinks = array();
// Number of attempts on the lesson
$attempts = $DB->count_records('lesson_grades', array('userid'=>$userid, 'lessonid'=>$lesson->id));
$attempts = $lesson->count_user_retries($userid);
// Go through each essay page
foreach ($studentessays[$userid] as $page => $tries) {

102
mod/lesson/locallib.php
View File

@ -2255,6 +2255,108 @@ class lesson extends lesson_base {
}
return false;
}
/**
* Check if the lesson is in review mode. (The user already finished it and retakes are not allowed).
*
* @return bool true if is in review mode
* @since Moodle 3.3
*/
public function is_in_review_mode() {
global $DB, $USER;
$userhasgrade = $DB->count_records("lesson_grades", array("lessonid" => $this->properties->id, "userid" => $USER->id));
if ($userhasgrade && !$this->properties->retake) {
return true;
}
return false;
}
/**
* Return the last page the current user saw.
*
* @param int $retriescount the number of retries for the lesson (the last retry number).
* @return mixed false if the user didn't see the lesson or the last page id
*/
public function get_last_page_seen($retriescount) {
global $DB, $USER;
$lastpageseen = false;
$allattempts = $this->get_attempts($retriescount);
if (!empty($allattempts)) {
$attempt = end($allattempts);
$attemptpage = $this->load_page($attempt->pageid);
$jumpto = $DB->get_field('lesson_answers', 'jumpto', array('id' => $attempt->answerid));
// Convert the jumpto to a proper page id.
if ($jumpto == 0) {
// Check if a question has been incorrectly answered AND no more attempts at it are left.
$nattempts = $this->get_attempts($attempt->retry, false, $attempt->pageid, $USER->id);
if (count($nattempts) >= $this->properties->maxattempts) {
$lastpageseen = $this->get_next_page($attemptpage->nextpageid);
} else {
$lastpageseen = $attempt->pageid;
}
} else if ($jumpto == LESSON_NEXTPAGE) {
$lastpageseen = $this->get_next_page($attemptpage->nextpageid);
} else if ($jumpto == LESSON_CLUSTERJUMP) {
$lastpageseen = $this->cluster_jump($attempt->pageid);
} else {
$lastpageseen = $jumpto;
}
}
if ($branchtables = $DB->get_records('lesson_branch', array("lessonid" => $this->properties->id, "userid" => $USER->id,
"retry" => $retriescount), 'timeseen DESC')) {
// In here, user has viewed a branch table.
$lastbranchtable = current($branchtables);
if (count($allattempts) > 0) {
if ($lastbranchtable->timeseen > $attempt->timeseen) {
// This branch table was viewed more recently than the question page.
if (!empty($lastbranchtable->nextpageid)) {
$lastpageseen = $lastbranchtable->nextpageid;
} else {
// Next page ID did not exist prior to MDL-34006.
$lastpageseen = $lastbranchtable->pageid;
}
}
} else {
// Has not answered any questions but has viewed a branch table.
if (!empty($lastbranchtable->nextpageid)) {
$lastpageseen = $lastbranchtable->nextpageid;
} else {
// Next page ID did not exist prior to MDL-34006.
$lastpageseen = $lastbranchtable->pageid;
}
}
}
return $lastpageseen;
}
/**
* Return the number of retries in a lesson for a given user.
*
* @param int $userid the user id
* @return int the retries count
* @since Moodle 3.3
*/
public function count_user_retries($userid) {
global $DB;
return $DB->count_records('lesson_grades', array("lessonid" => $this->properties->id, "userid" => $userid));
}
/**
* Check if a user left a timed session.
*
* @param int $retriescount the number of retries for the lesson (the last retry number).
* @return true if the user left the timed session
*/
public function left_during_timed_session($retriescount) {
global $DB, $USER;
$conditions = array('lessonid' => $this->properties->id, 'userid' => $USER->id, 'retry' => $retriescount);
return $DB->count_records('lesson_attempts', $conditions) > 0 || $DB->count_records('lesson_branch', $conditions) > 0;
}
}

71
mod/lesson/view.php
View File

@ -64,11 +64,7 @@ $canmanage = $lesson->can_manage();
$lessonoutput = $PAGE->get_renderer('mod_lesson');
$reviewmode = false;
$userhasgrade = $DB->count_records("lesson_grades", array("lessonid"=>$lesson->id, "userid"=>$USER->id));
if ($userhasgrade && !$lesson->retake) {
$reviewmode = true;
}
$reviewmode = $lesson->is_in_review_mode();
if ($lesson->usepassword && !empty($userpassword)) {
require_sesskey();
@ -97,13 +93,17 @@ if ($pageid == LESSON_UNSEENBRANCHPAGE) {
$pageid = lesson_unseen_question_jump($lesson, $USER->id, $pageid);
}
// To avoid multiple calls, store the magic property firstpage.
$lessonfirstpage = $lesson->firstpage;
$lessonfirstpageid = $lessonfirstpage ? $lessonfirstpage->id : false;
// 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' => $lesson->id, 'prevpageid' => 0))) {
if (!$lessonfirstpageid) {
if (!$canmanage) {
$lesson->add_message(get_string('lessonnotready2', 'lesson')); // a nice message to the student
} else {
@ -116,7 +116,7 @@ if (empty($pageid)) {
}
// if no pageid given see if the lesson has been started
$retries = $DB->count_records('lesson_grades', array("lessonid" => $lesson->id, "userid" => $USER->id));
$retries = $lesson->count_user_retries($USER->id);
if ($retries > 0) {
$attemptflag = true;
}
@ -125,57 +125,12 @@ if (empty($pageid)) {
unset($USER->modattempts[$lesson->id]); // if no pageid, then student is NOT reviewing
}
// If there are any questions that have been answered correctly (or not) in this attempt.
$allattempts = $lesson->get_attempts($retries);
if (!empty($allattempts)) {
$attempt = end($allattempts);
$attemptpage = $lesson->load_page($attempt->pageid);
$jumpto = $DB->get_field('lesson_answers', 'jumpto', array('id' => $attempt->answerid));
// convert the jumpto to a proper page id
if ($jumpto == 0) {
// Check if a question has been incorrectly answered AND no more attempts at it are left.
$nattempts = $lesson->get_attempts($attempt->retry, false, $attempt->pageid, $USER->id);
if (count($nattempts) >= $lesson->maxattempts) {
$lastpageseen = $lesson->get_next_page($attemptpage->nextpageid);
} else {
$lastpageseen = $attempt->pageid;
}
} elseif ($jumpto == LESSON_NEXTPAGE) {
$lastpageseen = $lesson->get_next_page($attemptpage->nextpageid);
} else if ($jumpto == LESSON_CLUSTERJUMP) {
$lastpageseen = $lesson->cluster_jump($attempt->pageid);
} else {
$lastpageseen = $jumpto;
}
}
$lastpageseen = $lesson->get_last_page_seen($retries);
if ($branchtables = $DB->get_records('lesson_branch', array("lessonid" => $lesson->id, "userid" => $USER->id, "retry" => $retries), 'timeseen DESC')) {
// in here, user has viewed a branch table
$lastbranchtable = current($branchtables);
if (count($allattempts) > 0) {
if ($lastbranchtable->timeseen > $attempt->timeseen) {
// This branch table was viewed more recently than the question page.
if (!empty($lastbranchtable->nextpageid)) {
$lastpageseen = $lastbranchtable->nextpageid;
} else {
// Next page ID did not exist prior to MDL-34006.
$lastpageseen = $lastbranchtable->pageid;
}
}
} else {
// Has not answered any questions but has viewed a branch table.
if (!empty($lastbranchtable->nextpageid)) {
$lastpageseen = $lastbranchtable->nextpageid;
} else {
// Next page ID did not exist prior to MDL-34006.
$lastpageseen = $lastbranchtable->pageid;
}
}
}
// Check to see if end of lesson was reached.
if ((isset($lastpageseen) && ($lastpageseen != LESSON_EOL))) {
if (($DB->count_records('lesson_attempts', array('lessonid' => $lesson->id, 'userid' => $USER->id, 'retry' => $retries)) > 0)
|| $DB->count_records('lesson_branch', array("lessonid" => $lesson->id, "userid" => $USER->id, "retry" => $retries)) > 0) {
if (($lastpageseen !== false && ($lastpageseen != LESSON_EOL))) {
// End not reached. Check if the user left.
if ($lesson->left_during_timed_session($retries)) {
echo $lessonoutput->header($lesson, $cm, '', false, null, get_string('leftduringtimedsession', 'lesson'));
if ($lesson->timelimit) {
@ -212,7 +167,7 @@ if (empty($pageid)) {
}
}
// start at the first page
if (!$pageid = $DB->get_field('lesson_pages', 'id', array('lessonid' => $lesson->id, 'prevpageid' => 0))) {
if (!$pageid = $lessonfirstpageid) {
echo $lessonoutput->header($lesson, $cm, 'view', '', null);
// Lesson currently has no content. A message for display has been prepared and will be displayed by the header method
// of the lesson renderer.
@ -326,7 +281,7 @@ if ($pageid != LESSON_EOL) {
// 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 = $lesson->count_user_retries($USER->id);
if (!$attempts = $lesson->get_attempts($retries-1, false, $page->id)) {
print_error('cannotfindpreattempt', 'lesson');
}