Search moodle.org's
Developer Documentation

See Release Notes

  • Bug fixes for general core bugs in 3.10.x will end 8 November 2021 (12 months).
  • Bug fixes for security issues in 3.10.x will end 9 May 2022 (18 months).
  • PHP version: minimum PHP 7.2.0 Note: minimum PHP version has increased since Moodle 3.8. PHP 7.3.x and 7.4.x are supported too.
<?php
// This file is part of Moodle - http://moodle.org/
//
// Moodle is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// Moodle is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.

/**
 * File containing the grade_report class
 *
 * @package   core_grades
 * @copyright 2007 Moodle Pty Ltd (http://moodle.com)
 * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
 */

require_once($CFG->libdir.'/gradelib.php');

/**
 * An abstract class containing variables and methods used by all or most reports.
 * @copyright 2007 Moodle Pty Ltd (http://moodle.com)
 * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
 */
abstract class grade_report {
    /**
     * The courseid.
     * @var int $courseid
     */
    public $courseid;

    /**
     * The course.
     * @var object $course
     */
    public $course;

    /** Grade plugin return tracking object.
     * @var object $gpr
     */
    public $gpr;

    /**
     * The context.
     *
     * @var context $context
     */
    public $context;

    /**
     * The grade_tree object.
     * @var grade_tree $gtree
     */
    public $gtree;

    /**
     * User preferences related to this report.
     * @var array $prefs
     */
    public $prefs = array();

    /**
     * The roles for this report.
     * @var string $gradebookroles
     */
    public $gradebookroles;

    /**
     * base url for sorting by first/last name.
     * @var string $baseurl
     */
    public $baseurl;

    /**
     * base url for paging.
     * @var string $pbarurl
     */
    public $pbarurl;

    /**
     * Current page (for paging).
     * @var int $page
     */
    public $page;

    /**
     * Array of cached language strings (using get_string() all the time takes a long time!).
     * @var array $lang_strings
     */
    public $lang_strings = array();

    // GROUP VARIABLES (including SQL)

    /**
     * The current group being displayed.
     * @var int $currentgroup
     */
    public $currentgroup;

    /**
     * The current groupname being displayed.
     * @var string $currentgroupname
     */
    public $currentgroupname;

    /**
     * Current course group mode
     * @var int $groupmode
     */
    public $groupmode;

    /**
     * A HTML select element used to select the current group.
     * @var string $group_selector
     */
    public $group_selector;

    /**
     * An SQL fragment used to add linking information to the group tables.
     * @var string $groupsql
     */
    protected $groupsql;

    /**
     * An SQL constraint to append to the queries used by this object to build the report.
     * @var string $groupwheresql
     */
    protected $groupwheresql;

    /**
     * The ordered params for $groupwheresql
     * @var array $groupwheresql_params
     */
    protected $groupwheresql_params = array();

    // USER VARIABLES (including SQL).

    /**
     * An SQL constraint to append to the queries used by this object to build the report.
     * @var string $userwheresql
     */
    protected $userwheresql;

    /**
     * The ordered params for $userwheresql
     * @var array $userwheresql_params
     */
    protected $userwheresql_params = array();

    /**
     * Constructor. Sets local copies of user preferences and initialises grade_tree.
     * @param int $courseid
     * @param object $gpr grade plugin return tracking object
     * @param string $context
     * @param int $page The current page being viewed (when report is paged)
     */
    public function __construct($courseid, $gpr, $context, $page=null) {
        global $CFG, $COURSE, $DB;

        if (empty($CFG->gradebookroles)) {
< print_error('norolesdefined', 'grades');
> throw new \moodle_exception('norolesdefined', 'grades');
} $this->courseid = $courseid; if ($this->courseid == $COURSE->id) { $this->course = $COURSE; } else { $this->course = $DB->get_record('course', array('id' => $this->courseid)); } $this->gpr = $gpr; $this->context = $context; $this->page = $page; // roles to be displayed in the gradebook $this->gradebookroles = $CFG->gradebookroles; // Set up link to preferences page $this->preferences_page = $CFG->wwwroot.'/grade/report/grader/preferences.php?id='.$courseid; // init gtree in child class } /** * Given the name of a user preference (without grade_report_ prefix), locally saves then returns * the value of that preference. If the preference has already been fetched before, * the saved value is returned. If the preference is not set at the User level, the $CFG equivalent * is given (site default). * Can be called statically, but then doesn't benefit from caching * @param string $pref The name of the preference (do not include the grade_report_ prefix) * @param int $objectid An optional itemid or categoryid to check for a more fine-grained preference * @return mixed The value of the preference */ public function get_pref($pref, $objectid=null) { global $CFG; $fullprefname = 'grade_report_' . $pref; $shortprefname = 'grade_' . $pref; $retval = null; if (!isset($this) OR get_class($this) != 'grade_report') { if (!empty($objectid)) { $retval = get_user_preferences($fullprefname . $objectid, self::get_pref($pref)); } else if (isset($CFG->$fullprefname)) { $retval = get_user_preferences($fullprefname, $CFG->$fullprefname); } else if (isset($CFG->$shortprefname)) { $retval = get_user_preferences($fullprefname, $CFG->$shortprefname); } else { $retval = null; } } else { if (empty($this->prefs[$pref.$objectid])) { if (!empty($objectid)) { $retval = get_user_preferences($fullprefname . $objectid); if (empty($retval)) { // No item pref found, we are returning the global preference $retval = $this->get_pref($pref); $objectid = null; } } else { $retval = get_user_preferences($fullprefname, $CFG->$fullprefname); } $this->prefs[$pref.$objectid] = $retval; } else { $retval = $this->prefs[$pref.$objectid]; } } return $retval; } /** * Uses set_user_preferences() to update the value of a user preference. If 'default' is given as the value, * the preference will be removed in favour of a higher-level preference. * @param string $pref The name of the preference. * @param mixed $pref_value The value of the preference. * @param int $itemid An optional itemid to which the preference will be assigned * @return bool Success or failure. */ public function set_pref($pref, $pref_value='default', $itemid=null) { $fullprefname = 'grade_report_' . $pref; if ($pref_value == 'default') { return unset_user_preference($fullprefname.$itemid); } else { return set_user_preference($fullprefname.$itemid, $pref_value); } } /** * Handles form data sent by this report for this report. Abstract method to implement in all children. * @abstract * @param array $data * @return mixed True or array of errors */ abstract public function process_data($data); /** * Processes a single action against a category, grade_item or grade. * @param string $target Sortorder * @param string $action Which action to take (edit, delete etc...) * @return */ abstract public function process_action($target, $action); /** * First checks the cached language strings, then returns match if found, or uses get_string() * to get it from the DB, caches it then returns it. * @param string $strcode * @param string $section Optional language section * @return string */ public function get_lang_string($strcode, $section=null) { if (empty($this->lang_strings[$strcode])) { $this->lang_strings[$strcode] = get_string($strcode, $section); } return $this->lang_strings[$strcode]; } /** * Fetches and returns a count of all the users that will be shown on this page. * @param boolean $groups include groups limit * @param boolean $users include users limit - default false, used for searching purposes * @return int Count of users */ public function get_numusers($groups = true, $users = false) { global $CFG, $DB; $userwheresql = ""; $groupsql = ""; $groupwheresql = ""; // Limit to users with a gradeable role. list($gradebookrolessql, $gradebookrolesparams) = $DB->get_in_or_equal(explode(',', $this->gradebookroles), SQL_PARAMS_NAMED, 'grbr0'); // Limit to users with an active enrollment. list($enrolledsql, $enrolledparams) = get_enrolled_sql($this->context); // We want to query both the current context and parent contexts. list($relatedctxsql, $relatedctxparams) = $DB->get_in_or_equal($this->context->get_parent_context_ids(true), SQL_PARAMS_NAMED, 'relatedctx'); $params = array_merge($gradebookrolesparams, $enrolledparams, $relatedctxparams); if ($users) { $userwheresql = $this->userwheresql; $params = array_merge($params, $this->userwheresql_params); } if ($groups) { $groupsql = $this->groupsql; $groupwheresql = $this->groupwheresql; $params = array_merge($params, $this->groupwheresql_params); } $sql = "SELECT DISTINCT u.id FROM {user} u JOIN ($enrolledsql) je ON je.id = u.id JOIN {role_assignments} ra ON u.id = ra.userid $groupsql WHERE ra.roleid $gradebookrolessql AND u.deleted = 0 $userwheresql $groupwheresql AND ra.contextid $relatedctxsql"; $selectedusers = $DB->get_records_sql($sql, $params); $count = 0; // Check if user's enrolment is active and should be displayed. if (!empty($selectedusers)) { $coursecontext = $this->context->get_course_context(true); $defaultgradeshowactiveenrol = !empty($CFG->grade_report_showonlyactiveenrol); $showonlyactiveenrol = get_user_preferences('grade_report_showonlyactiveenrol', $defaultgradeshowactiveenrol); $showonlyactiveenrol = $showonlyactiveenrol || !has_capability('moodle/course:viewsuspendedusers', $coursecontext); if ($showonlyactiveenrol) { $useractiveenrolments = get_enrolled_users($coursecontext, '', 0, 'u.id', null, 0, 0, true); } foreach ($selectedusers as $id => $value) { if (!$showonlyactiveenrol || ($showonlyactiveenrol && array_key_exists($id, $useractiveenrolments))) { $count++; } } } return $count; } /** * Shows support for being used as a 'Grades' report. */ public static function supports_mygrades() { return false; } /** * Sets up this object's group variables, mainly to restrict the selection of users to display. */ protected function setup_groups() { // find out current groups mode if ($this->groupmode = groups_get_course_groupmode($this->course)) { if (empty($this->gpr->groupid)) { $this->currentgroup = groups_get_course_group($this->course, true); } else { $this->currentgroup = $this->gpr->groupid; } $this->group_selector = groups_print_course_menu($this->course, $this->pbarurl, true); if ($this->groupmode == SEPARATEGROUPS and !$this->currentgroup and !has_capability('moodle/site:accessallgroups', $this->context)) { $this->currentgroup = -2; // means can not access any groups at all } if ($this->currentgroup) { if ($group = groups_get_group($this->currentgroup)) { $this->currentgroupname = $group->name; } $this->groupsql = " JOIN {groups_members} gm ON gm.userid = u.id "; $this->groupwheresql = " AND gm.groupid = :gr_grpid "; $this->groupwheresql_params = array('gr_grpid'=>$this->currentgroup); } } } /** * Sets up this report's user criteria to restrict the selection of users to display. */ public function setup_users() { global $SESSION, $DB;
> $filterfirstnamekey = "filterfirstname-{$this->context->id}"; $this->userwheresql = ""; > $filtersurnamekey = "filtersurname-{$this->context->id}"; $this->userwheresql_params = array(); >
< if (isset($SESSION->gradereport['filterfirstname']) && !empty($SESSION->gradereport['filterfirstname'])) {
> if (!empty($SESSION->gradereport[$filterfirstnamekey])) {
$this->userwheresql .= ' AND '.$DB->sql_like('u.firstname', ':firstname', false, false);
< $this->userwheresql_params['firstname'] = $SESSION->gradereport['filterfirstname'].'%';
> $this->userwheresql_params['firstname'] = $SESSION->gradereport[$filterfirstnamekey] . '%';
}
< if (isset($SESSION->gradereport['filtersurname']) && !empty($SESSION->gradereport['filtersurname'])) {
> if (!empty($SESSION->gradereport[$filtersurnamekey])) {
$this->userwheresql .= ' AND '.$DB->sql_like('u.lastname', ':lastname', false, false);
< $this->userwheresql_params['lastname'] = $SESSION->gradereport['filtersurname'].'%';
> $this->userwheresql_params['lastname'] = $SESSION->gradereport[$filtersurnamekey] . '%';
} } /** * Returns an arrow icon inside an <a> tag, for the purpose of sorting a column. * @param string $direction * @param moodle_url $sortlink */ protected function get_sort_arrow($direction='move', $sortlink=null) { global $OUTPUT; $pix = array('up' => 't/sort_desc', 'down' => 't/sort_asc', 'move' => 't/sort');
< $matrix = array('up' => 'desc', 'down' => 'asc', 'move' => 'desc');
> $matrix = array('up' => 'desc', 'down' => 'asc', 'move' => 'asc');
$strsort = $this->get_lang_string('sort' . $matrix[$direction]); $arrow = $OUTPUT->pix_icon($pix[$direction], '', '', ['class' => 'sorticon']); return html_writer::link($sortlink, $arrow, ['title' => $strsort, 'aria-label' => $strsort]); } /** * Optionally blank out course/category totals if they contain any hidden items * @param string $courseid the course id * @param string $course_item an instance of grade_item * @param string $finalgrade the grade for the course_item * @return array[] containing values for 'grade', 'grademax', 'grademin', 'aggregationstatus' and 'aggregationweight' */ protected function blank_hidden_total_and_adjust_bounds($courseid, $course_item, $finalgrade) { global $CFG, $DB; static $hiding_affected = null;//array of items in this course affected by hiding // If we're dealing with multiple users we need to know when we've moved on to a new user. static $previous_userid = null; // If we're dealing with multiple courses we need to know when we've moved on to a new course. static $previous_courseid = null; $coursegradegrade = grade_grade::fetch(array('userid'=>$this->user->id, 'itemid'=>$course_item->id)); $grademin = $course_item->grademin; $grademax = $course_item->grademax; if ($coursegradegrade) { $grademin = $coursegradegrade->get_grade_min(); $grademax = $coursegradegrade->get_grade_max(); } else { $coursegradegrade = new grade_grade(array('userid'=>$this->user->id, 'itemid'=>$course_item->id), false); } $hint = $coursegradegrade->get_aggregation_hint(); $aggregationstatus = $hint['status']; $aggregationweight = $hint['weight']; if (!is_array($this->showtotalsifcontainhidden)) { debugging('showtotalsifcontainhidden should be an array', DEBUG_DEVELOPER); $this->showtotalsifcontainhidden = array($courseid => $this->showtotalsifcontainhidden); } if ($this->showtotalsifcontainhidden[$courseid] == GRADE_REPORT_SHOW_REAL_TOTAL_IF_CONTAINS_HIDDEN) { return array('grade' => $finalgrade, 'grademin' => $grademin, 'grademax' => $grademax, 'aggregationstatus' => $aggregationstatus, 'aggregationweight' => $aggregationweight); } // If we've moved on to another course or user, reload the grades. if ($previous_userid != $this->user->id || $previous_courseid != $courseid) { $hiding_affected = null; $previous_userid = $this->user->id; $previous_courseid = $courseid; } if (!$hiding_affected) { $items = grade_item::fetch_all(array('courseid'=>$courseid)); $grades = array(); $sql = "SELECT g.* FROM {grade_grades} g JOIN {grade_items} gi ON gi.id = g.itemid WHERE g.userid = {$this->user->id} AND gi.courseid = {$courseid}"; if ($gradesrecords = $DB->get_records_sql($sql)) { foreach ($gradesrecords as $grade) { $grades[$grade->itemid] = new grade_grade($grade, false); } unset($gradesrecords); } foreach ($items as $itemid => $unused) { if (!isset($grades[$itemid])) { $grade_grade = new grade_grade(); $grade_grade->userid = $this->user->id; $grade_grade->itemid = $items[$itemid]->id; $grades[$itemid] = $grade_grade; } $grades[$itemid]->grade_item =& $items[$itemid]; } $hiding_affected = grade_grade::get_hiding_affected($grades, $items); } //if the item definitely depends on a hidden item if (array_key_exists($course_item->id, $hiding_affected['altered']) || array_key_exists($course_item->id, $hiding_affected['alteredgrademin']) || array_key_exists($course_item->id, $hiding_affected['alteredgrademax']) || array_key_exists($course_item->id, $hiding_affected['alteredaggregationstatus']) || array_key_exists($course_item->id, $hiding_affected['alteredaggregationweight'])) { if (!$this->showtotalsifcontainhidden[$courseid] && array_key_exists($course_item->id, $hiding_affected['altered'])) { // Hide the grade, but only when it has changed. $finalgrade = null; } else { //use reprocessed marks that exclude hidden items if (array_key_exists($course_item->id, $hiding_affected['altered'])) { $finalgrade = $hiding_affected['altered'][$course_item->id]; } if (array_key_exists($course_item->id, $hiding_affected['alteredgrademin'])) { $grademin = $hiding_affected['alteredgrademin'][$course_item->id]; } if (array_key_exists($course_item->id, $hiding_affected['alteredgrademax'])) { $grademax = $hiding_affected['alteredgrademax'][$course_item->id]; } if (array_key_exists($course_item->id, $hiding_affected['alteredaggregationstatus'])) { $aggregationstatus = $hiding_affected['alteredaggregationstatus'][$course_item->id]; } if (array_key_exists($course_item->id, $hiding_affected['alteredaggregationweight'])) { $aggregationweight = $hiding_affected['alteredaggregationweight'][$course_item->id]; } if (!$this->showtotalsifcontainhidden[$courseid]) { // If the course total is hidden we must hide the weight otherwise // it can be used to compute the course total. $aggregationstatus = 'unknown'; $aggregationweight = null; } } } else if (array_key_exists($course_item->id, $hiding_affected['unknowngrades'])) { //not sure whether or not this item depends on a hidden item if (!$this->showtotalsifcontainhidden[$courseid]) { //hide the grade $finalgrade = null; } else { //use reprocessed marks that exclude hidden items $finalgrade = $hiding_affected['unknowngrades'][$course_item->id]; if (array_key_exists($course_item->id, $hiding_affected['alteredgrademin'])) { $grademin = $hiding_affected['alteredgrademin'][$course_item->id]; } if (array_key_exists($course_item->id, $hiding_affected['alteredgrademax'])) { $grademax = $hiding_affected['alteredgrademax'][$course_item->id]; } if (array_key_exists($course_item->id, $hiding_affected['alteredaggregationstatus'])) { $aggregationstatus = $hiding_affected['alteredaggregationstatus'][$course_item->id]; } if (array_key_exists($course_item->id, $hiding_affected['alteredaggregationweight'])) { $aggregationweight = $hiding_affected['alteredaggregationweight'][$course_item->id]; } } } return array('grade' => $finalgrade, 'grademin' => $grademin, 'grademax' => $grademax, 'aggregationstatus'=>$aggregationstatus, 'aggregationweight'=>$aggregationweight); } /** * Optionally blank out course/category totals if they contain any hidden items * @deprecated since Moodle 2.8 - Call blank_hidden_total_and_adjust_bounds instead. * @param string $courseid the course id * @param string $course_item an instance of grade_item * @param string $finalgrade the grade for the course_item * @return string The new final grade */ protected function blank_hidden_total($courseid, $course_item, $finalgrade) { // Note it is flawed to call this function directly because // the aggregated grade does not make sense without the updated min and max information. debugging('grade_report::blank_hidden_total() is deprecated. Call grade_report::blank_hidden_total_and_adjust_bounds instead.', DEBUG_DEVELOPER); $result = $this->blank_hidden_total_and_adjust_bounds($courseid, $course_item, $finalgrade); return $result['grade']; }
> } > /** > * Calculate average grade for a given grade item. > * Based on calculate_averages function from grade/report/user/lib.php > * > * @param grade_item $gradeitem Grade item > * @param array $info Ungraded grade items counts and report preferences. > * @return array Average grade and meancount. > */ > public static function calculate_average(grade_item $gradeitem, array $info): array { > > $meanselection = $info['report']['meanselection']; > $totalcount = $info['report']['totalcount']; > $ungradedcounts = $info['ungradedcounts']; > $sumarray = $info['sumarray']; > > if (empty($sumarray[$gradeitem->id])) { > $sumarray[$gradeitem->id] = 0; > } > > if (empty($ungradedcounts[$gradeitem->id])) { > $ungradedcounts = 0; > } else { > $ungradedcounts = $ungradedcounts[$gradeitem->id]->count; > } > > // If they want the averages to include all grade items. > if ($meanselection == GRADE_REPORT_MEAN_GRADED) { > $meancount = $totalcount - $ungradedcounts; > } else { > // Bump up the sum by the number of ungraded items * grademin. > $sumarray[$gradeitem->id] += ($ungradedcounts * $gradeitem->grademin); > $meancount = $totalcount; > } > > $aggr['meancount'] = $meancount; > > if (empty($sumarray[$gradeitem->id]) || $meancount == 0) { > $aggr['average'] = null; > } else { > $sum = $sumarray[$gradeitem->id]; > $aggr['average'] = $sum / $meancount; > } > return $aggr; > } > > /** > * Get ungraded grade items info and sum of all grade items in a course. > * Based on calculate_averages function from grade/report/user/lib.php > * > * @return array Ungraded grade items counts with report preferences. > */ > public function ungraded_counts(): array { > global $DB; > > $groupid = null; > if (isset($this->gpr->groupid)) { > $groupid = $this->gpr->groupid; > } > > $info = []; > $info['report'] = [ > 'averagesdisplaytype' => $this->get_pref('averagesdisplaytype'), > 'averagesdecimalpoints' => $this->get_pref('averagesdecimalpoints'), > 'meanselection' => $this->get_pref('meanselection'), > 'shownumberofgrades' => $this->get_pref('shownumberofgrades'), > 'totalcount' => $this->get_numusers(!is_null($groupid)), > ]; > > // We want to query both the current context and parent contexts. > list($relatedctxsql, $relatedctxparams) = > $DB->get_in_or_equal($this->context->get_parent_context_ids(true), SQL_PARAMS_NAMED, 'relatedctx'); > > // Limit to users with a gradeable role ie students. > list($gradebookrolessql, $gradebookrolesparams) = > $DB->get_in_or_equal(explode(',', $this->gradebookroles), SQL_PARAMS_NAMED, 'grbr0'); > > // Limit to users with an active enrolment. > $defaultgradeshowactiveenrol = !empty($CFG->grade_report_showonlyactiveenrol); > $showonlyactiveenrol = get_user_preferences('grade_report_showonlyactiveenrol', $defaultgradeshowactiveenrol); > $showonlyactiveenrol = $showonlyactiveenrol || > !has_capability('moodle/course:viewsuspendedusers', $this->context); > list($enrolledsql, $enrolledparams) = get_enrolled_sql($this->context, '', 0, $showonlyactiveenrol); > > $params = array_merge($this->groupwheresql_params, $gradebookrolesparams, $enrolledparams, $relatedctxparams); > $params['courseid'] = $this->courseid; > > // Aggregate on whole course only. > if (empty($groupid)) { > $this->groupsql = null; > $this->groupwheresql = null; > } > > // Empty grades must be evaluated as grademin, NOT always 0. > // This query returns a count of ungraded grades (NULL finalgrade OR no matching record in grade_grades table). > // No join condition when joining grade_items and user to get a grade item row for every user. > // Then left join with grade_grades and look for rows with null final grade > // (which includes grade items with no grade_grade). > $sql = "SELECT gi.id, COUNT(u.id) AS count > FROM {grade_items} gi > JOIN {user} u ON u.deleted = 0 > JOIN ($enrolledsql) je ON je.id = u.id > JOIN ( > SELECT DISTINCT ra.userid > FROM {role_assignments} ra > WHERE ra.roleid $gradebookrolessql > AND ra.contextid $relatedctxsql > ) rainner ON rainner.userid = u.id > LEFT JOIN {grade_grades} gg > ON (gg.itemid = gi.id AND gg.userid = u.id AND gg.finalgrade IS NOT NULL AND gg.hidden = 0) > $this->groupsql > WHERE gi.courseid = :courseid > AND gg.finalgrade IS NULL > $this->groupwheresql > GROUP BY gi.id"; > $info['ungradedcounts'] = $DB->get_records_sql($sql, $params); > > // Find sums of all grade items in course. > $sql = "SELECT gg.itemid, SUM(gg.finalgrade) AS sum > FROM {grade_items} gi > JOIN {grade_grades} gg ON gg.itemid = gi.id > JOIN {user} u ON u.id = gg.userid > JOIN ($enrolledsql) je ON je.id = gg.userid > JOIN ( > SELECT DISTINCT ra.userid > FROM {role_assignments} ra > WHERE ra.roleid $gradebookrolessql > AND ra.contextid $relatedctxsql > ) rainner ON rainner.userid = u.id > $this->groupsql > WHERE gi.courseid = :courseid > AND u.deleted = 0 > AND gg.finalgrade IS NOT NULL > AND gg.hidden = 0 > $this->groupwheresql > GROUP BY gg.itemid"; > > $sumarray = []; > $sums = $DB->get_recordset_sql($sql, $params); > foreach ($sums as $itemid => $csum) { > $sumarray[$itemid] = grade_floatval($csum->sum); > } > $sums->close(); > $info['sumarray'] = $sumarray; > > return $info; > } > > /** > * Get grade item type names in a course to use in filter dropdown. > * > * @return array Item types. > */ > public function item_types(): array { > global $DB, $CFG; > > $modnames = []; > $sql = "(SELECT gi.itemmodule > FROM {grade_items} gi > WHERE gi.courseid = :courseid1 > AND gi.itemmodule IS NOT NULL) > UNION > (SELECT gi1.itemtype > FROM {grade_items} gi1 > WHERE gi1.courseid = :courseid2 > AND gi1.itemtype = 'manual')"; > > $itemtypes = $DB->get_records_sql($sql, ['courseid1' => $this->courseid, 'courseid2' => $this->courseid]); > foreach ($itemtypes as $itemtype => $value) { > if (file_exists("$CFG->dirroot/mod/$itemtype/lib.php")) { > $modnames[$itemtype] = get_string("modulename", $itemtype, null, true); > } else if ($itemtype == 'manual') { > $modnames[$itemtype] = get_string('manualitem', 'grades', null, true); > } > } > > return $modnames; > } > > /** > * Load a valid list of gradable users in a course. > * > * @param int $courseid The course ID. > * @param int|null $groupid The group ID (optional). > * @return array A list of enrolled gradable users. > */ > public static function get_gradable_users(int $courseid, ?int $groupid = null): array { > global $CFG; > require_once($CFG->dirroot . '/grade/lib.php'); > > $context = context_course::instance($courseid); > $defaultgradeshowactiveenrol = !empty($CFG->grade_report_showonlyactiveenrol); > $onlyactiveenrol = get_user_preferences('grade_report_showonlyactiveenrol', $defaultgradeshowactiveenrol) || > !has_capability('moodle/course:viewsuspendedusers', $context); > > return get_gradable_users($courseid, $groupid, $onlyactiveenrol); > } >