add_event($event);
+ lesson_grade_item_update(stripslashes_recursive($lesson));
+
return $lesson->id;
}
add_event($event);
- return update_record("lesson", $lesson);
+ $result = update_record("lesson", $lesson);
+
+ // update grade item definition
+ lesson_grade_item_update(stripslashes_recursive($lesson));
+
+ // update grades - TODO: do it only when grading style changes
+ lesson_update_grades(stripslashes_recursive($lesson), 0, false);
+
+ return $result;
}
}
}
+ lesson_grade_item_delete($lesson);
+
return $result;
}
return true;
}
-/*******************************************************************/
-function lesson_grades($lessonid) {
-/// Must return an array of grades for a given instance of this module,
-/// indexed by user. It also returns a maximum allowed grade.
+/**
+ * Return grade for given user or all users.
+ *
+ * @param int $lessonid id of lesson
+ * @param int $userid optional user id, 0 means all users
+ * @return array array of grades, false if none
+ */
+function lesson_get_user_grades($lesson, $userid=0) {
global $CFG;
- if (!$lesson = get_record("lesson", "id", $lessonid)) {
- return NULL;
- }
+ $user = $userid ? "AND u.id = $userid" : "";
+ $fuser = $userid ? "AND uu.id = $userid" : "";
+
if ($lesson->retake) {
if ($lesson->usemaxgrade) {
- $grades = get_records_sql_menu("SELECT userid,MAX(grade) FROM {$CFG->prefix}lesson_grades WHERE
- lessonid = $lessonid GROUP BY userid");
+ $sql = "SELECT u.id, u.id AS userid, MAX(g.grade) AS gradevalue
+ FROM {$CFG->prefix}user u, {$CFG->prefix}lesson_grades g
+ WHERE u.id = g.userid AND g.lessonid = $lesson->id
+ $user
+ GROUP BY u.id";
} else {
- $grades = get_records_sql_menu("SELECT userid,AVG(grade) FROM {$CFG->prefix}lesson_grades WHERE
- lessonid = $lessonid GROUP BY userid");
+ $sql = "SELECT u.id, u.id AS userid, AVG(g.grade) AS gradevalue
+ FROM {$CFG->prefix}user u, {$CFG->prefix}lesson_grades g
+ WHERE u.id = g.userid AND g.lessonid = $lesson->id
+ $user
+ GROUP BY u.id";
}
+
} else {
- // Retakes is turned Off; only count first attempt
- $firstgrades = get_records_sql("SELECT userid, MIN(completed), grade FROM {$CFG->prefix}lesson_grades WHERE lessonid = $lessonid GROUP BY userid");
- $grades = array();
- if (!empty($firstgrades)) {
- foreach($firstgrades as $userid => $info) {
- $grades[$userid] = $info->grade;
- }
- }
+ // use only first attempts (with lowest id in lesson_grades table)
+ $firstonly = "SELECT uu.id AS userid, MIN(gg.id) AS firstcompleted
+ FROM {$CFG->prefix}user uu, {$CFG->prefix}lesson_grades gg
+ WHERE uu.id = gg.userid AND gg.lessonid = $lesson->id
+ $fuser
+ GROUP BY uu.id";
+
+ $sql = "SELECT u.id, u.id AS userid, g.grade AS gradevalue
+ FROM {$CFG->prefix}user u, {$CFG->prefix}lesson_grades g, ($firstonly) f
+ WHERE u.id = g.userid AND g.lessonid = $lesson->id
+ AND g.id = f.firstcompleted AND g.userid=f.userid
+ $user";
+ }
+
+ return get_records_sql($sql);
+}
+
+/**
+ * Update grades in central gradebook
+ *
+ * @param object $lesson null means all lessons
+ * @param int $userid specific user only, 0 mean all
+ */
+function lesson_update_grades($lesson=null, $userid=0, $nullifnone=true) {
+ global $CFG;
+ if (!function_exists('grade_update')) { //workaround for buggy PHP versions
+ require_once($CFG->libdir.'/gradelib.php');
}
- // convert grades from percentages and tidy the numbers
- if (!$lesson->practice) { // dont display practice lessons
- if ($grades) {
- foreach ($grades as $userid => $grade) {
- $return->grades[$userid] = number_format($grade * $lesson->grade / 100.0, 1);
+
+ if ($lesson != null) {
+ if ($grades = lesson_get_user_grades($lesson, $userid)) {
+ grade_update('mod/lesson', $lesson->course, 'mod', 'lesson', $lesson->id, 0, $grades);
+
+ } else if ($userid and $nullifnone) {
+ $grade = new object();
+ $grade->itemid = $lesson->id;
+ $grade->userid = $userid;
+ $grade->gradevalue = NULL;
+ grade_update('mod/lesson', $lesson->course, 'mod', 'lesson', $lesson->id, 0, $grade);
+ }
+
+ } else {
+ $sql = "SELECT l.*, cm.idnumber as cmidnumber, l.course as courseid
+ FROM {$CFG->prefix}lesson l, {$CFG->prefix}course_modules cm, {$CFG->prefix}modules m
+ WHERE m.name='lesson' AND m.id=cm.module AND cm.instance=l.id";
+ if ($rs = get_recordset_sql($sql)) {
+ if ($rs->RecordCount() > 0) {
+ while ($lesson = rs_fetch_next_record($rs)) {
+ lesson_grade_item_update($lesson);
+ if ($lesson->grade != 0) {
+ lesson_update_grades($lesson, 0, false);
+ }
+ }
}
+ rs_close($rs);
}
- $return->maxgrade = $lesson->grade;
+ }
+}
- return $return;
+/**
+ * Create grade item for given lesson
+ *
+ * @param object $lesson object with extra cmidnumber
+ * @return int 0 if ok, error code otherwise
+ */
+function lesson_grade_item_update($lesson) {
+ global $CFG;
+ if (!function_exists('grade_update')) { //workaround for buggy PHP versions
+ require_once($CFG->libdir.'/gradelib.php');
+ }
+
+ if (array_key_exists('cmidnumber', $lesson)) { //it may not be always present
+ $params = array('itemname'=>$lesson->name, 'idnumber'=>$lesson->cmidnumber);
} else {
- return NULL;
+ $params = array('itemname'=>$lesson->name);
}
+
+ if ($lesson->grade > 0) {
+ $params['gradetype'] = GRADE_TYPE_VALUE;
+ $params['grademax'] = 100; //means 100%
+ $params['grademin'] = 0;
+ $params['multfactor'] = $lesson->grade / 100.0;
+
+ } else {
+ $params['gradetype'] = GRADE_TYPE_NONE;
+ $params['multfactor'] = 1.0;
+ }
+
+ return grade_update('mod/lesson', $lesson->course, 'mod', 'lesson', $lesson->id, 0, NULL, $params);
+}
+
+/**
+ * Delete grade item for given lesson
+ *
+ * @param object $lesson object
+ * @return object lesson
+ */
+function lesson_grade_item_delete($lesson) {
+ global $CFG;
+ require_once($CFG->libdir.'/gradelib.php');
+
+ return grade_update('mod/lesson', $lesson->course, 'mod', 'lesson', $lesson->id, 0, NULL, array('deleted'=>1));
}
+
/*******************************************************************/
function lesson_get_participants($lessonid) {
//Must return an array of user records (all data) who are participants
projects / moodle.git / commitdiff