moodle/grade/classes/form/add_outcome.php

495 lines
20 KiB
PHP

<?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/>.
namespace core_grades\form;
defined('MOODLE_INTERNAL') || die;
use context;
use context_course;
use core_form\dynamic_form;
use grade_category;
use grade_item;
use grade_outcome;
use grade_plugin_return;
use moodle_url;
require_once($CFG->dirroot.'/grade/lib.php');
/**
* Prints the add outcome gradebook form.
*
* @copyright 2023 Mathew May <mathew.solutions>
* @license http://www.gnu.org/copyleft/gpl.html GNU Public License
* @package core_grades
*/
class add_outcome extends dynamic_form {
/** Grade plugin return tracking object.
* @var object $gpr
*/
public $gpr;
/**
* Helper function to grab the current grade outcome item based on information within the form.
*
* @return array
* @throws \moodle_exception
*/
private function get_gradeitem(): array {
$courseid = $this->optional_param('courseid', null, PARAM_INT);
$id = $this->optional_param('itemid', null, PARAM_INT);
if ($gradeitem = grade_item::fetch(['id' => $id, 'courseid' => $courseid])) {
// Redirect if outcomeid not present.
if (empty($gradeitem->outcomeid)) {
$url = new moodle_url('/grade/edit/tree/item.php', ['id' => $id, 'courseid' => $courseid]);
redirect($this->gpr->add_url_params($url));
}
$item = $gradeitem->get_record_data();
$parentcategory = $gradeitem->get_parent_category();
if ($item->itemtype == 'mod') {
$cm = get_coursemodule_from_instance($item->itemmodule, $item->iteminstance, $item->courseid);
$item->cmid = $cm->id;
} else {
$item->cmid = 0;
}
} else {
$gradeitem = new grade_item(['courseid' => $courseid, 'itemtype' => 'manual'], false);
$item = $gradeitem->get_record_data();
$parentcategory = grade_category::fetch_course_category($courseid);
}
$item->parentcategory = $parentcategory->id;
if ($item->hidden > 1) {
$item->hiddenuntil = $item->hidden;
$item->hidden = 0;
} else {
$item->hiddenuntil = 0;
}
$item->locked = !empty($item->locked);
if ($parentcategory->aggregation == GRADE_AGGREGATE_SUM || $parentcategory->aggregation == GRADE_AGGREGATE_WEIGHTED_MEAN2) {
$item->aggregationcoef = $item->aggregationcoef == 0 ? 0 : 1;
} else {
$item->aggregationcoef = format_float($item->aggregationcoef, 4);
}
if ($parentcategory->aggregation == GRADE_AGGREGATE_SUM) {
$item->aggregationcoef2 = format_float($item->aggregationcoef2 * 100.0);
}
$item->cancontrolvisibility = $gradeitem->can_control_visibility();
return [
'gradeitem' => $gradeitem,
'item' => $item
];
}
/**
* Form definition
*
* @return void
* @throws \coding_exception
* @throws \dml_exception
* @throws \moodle_exception
*/
protected function definition() {
$courseid = $this->optional_param('courseid', null, PARAM_INT);
$id = $this->optional_param('itemid', 0, PARAM_INT);
$gprplugin = $this->optional_param('gpr_plugin', '', PARAM_TEXT);
if ($gprplugin && ($gprplugin !== 'tree')) {
$this->gpr = new grade_plugin_return(['type' => 'report', 'plugin' => $gprplugin, 'courseid' => $courseid]);
} else {
$this->gpr = new grade_plugin_return(['type' => 'edit', 'plugin' => 'tree', 'courseid' => $courseid]);
}
$mform =& $this->_form;
$local = $this->get_gradeitem();
$gradeitem = $local['gradeitem'];
$item = $local['item'];
// Hidden elements.
$mform->addElement('hidden', 'id', 0);
$mform->setType('id', PARAM_INT);
$mform->addElement('hidden', 'courseid', $courseid);
$mform->setType('courseid', PARAM_INT);
$mform->addElement('hidden', 'itemid', $id);
$mform->setType('itemid', PARAM_INT);
// Allow setting of outcomes on module items too.
$outcomeoptions = [];
if ($outcomes = grade_outcome::fetch_all_available($courseid)) {
foreach ($outcomes as $outcome) {
$outcomeoptions[$outcome->id] = $outcome->get_name();
}
}
// Visible elements.
$mform->addElement('text', 'itemname', get_string('itemname', 'grades'));
$mform->addRule('itemname', get_string('required'), 'required', null, 'client');
$mform->setType('itemname', PARAM_TEXT);
$mform->addElement('selectwithlink', 'outcomeid', get_string('outcome', 'grades'), $outcomeoptions);
$mform->addHelpButton('outcomeid', 'outcome', 'grades');
$mform->addRule('outcomeid', get_string('required'), 'required');
$options = [0 => get_string('none')];
if ($coursemods = get_course_mods($courseid)) {
foreach ($coursemods as $coursemod) {
if ($mod = get_coursemodule_from_id($coursemod->modname, $coursemod->id)) {
$options[$coursemod->id] = format_string($mod->name);
}
}
}
$mform->addElement('select', 'cmid', get_string('linkedactivity', 'grades'), $options);
$mform->addHelpButton('cmid', 'linkedactivity', 'grades');
$mform->setDefault('cmid', 0);
// Hiding.
$mform->addElement('checkbox', 'hidden', get_string('hidden', 'grades'));
$mform->addHelpButton('hidden', 'hidden', 'grades');
// Locking.
$mform->addElement('advcheckbox', 'locked', get_string('locked', 'grades'));
$mform->addHelpButton('locked', 'locked', 'grades');
// Parent category related settings.
$mform->addElement('advcheckbox', 'weightoverride', get_string('adjustedweight', 'grades'));
$mform->addHelpButton('weightoverride', 'weightoverride', 'grades');
$mform->addElement('text', 'aggregationcoef2', get_string('weight', 'grades'));
$mform->addHelpButton('aggregationcoef2', 'weight', 'grades');
$mform->setType('aggregationcoef2', PARAM_RAW);
$mform->hideIf('aggregationcoef2', 'weightoverride');
$options = [];
$coefstring = '';
$categories = grade_category::fetch_all(['courseid' => $courseid]);
foreach ($categories as $cat) {
$cat->apply_forced_settings();
$options[$cat->id] = $cat->get_name();
if ($cat->is_aggregationcoef_used()) {
if ($cat->aggregation == GRADE_AGGREGATE_WEIGHTED_MEAN) {
$coefstring = ($coefstring == '' || $coefstring == 'aggregationcoefweight') ?
'aggregationcoefweight' : 'aggregationcoef';
} else if ($cat->aggregation == GRADE_AGGREGATE_WEIGHTED_MEAN2) {
$coefstring = ($coefstring == '' || $coefstring == 'aggregationcoefextrasum') ?
'aggregationcoefextrasum' : 'aggregationcoef';
} else if ($cat->aggregation == GRADE_AGGREGATE_EXTRACREDIT_MEAN) {
$coefstring = ($coefstring == '' || $coefstring == 'aggregationcoefextraweight') ?
'aggregationcoefextraweight' : 'aggregationcoef';
} else if ($cat->aggregation == GRADE_AGGREGATE_SUM) {
$coefstring = ($coefstring == '' || $coefstring == 'aggregationcoefextrasum') ?
'aggregationcoefextrasum' : 'aggregationcoef';
} else {
$coefstring = 'aggregationcoef';
}
} else {
$mform->disabledIf('aggregationcoef', 'parentcategory', 'eq', $cat->id);
}
}
if (count($categories) > 1) {
$mform->addElement('select', 'parentcategory', get_string('gradecategory', 'grades'), $options);
$mform->disabledIf('parentcategory', 'cmid', 'noteq', 0);
}
if ($coefstring !== '') {
if ($coefstring == 'aggregationcoefextrasum' || $coefstring == 'aggregationcoefextraweightsum') {
$coefstring = 'aggregationcoefextrasum';
$mform->addElement('checkbox', 'aggregationcoef', get_string($coefstring, 'grades'));
} else {
$mform->addElement('text', 'aggregationcoef', get_string($coefstring, 'grades'));
}
$mform->addHelpButton('aggregationcoef', $coefstring, 'grades');
}
// Remove the aggregation coef element if not needed.
if ($gradeitem->is_course_item()) {
if ($mform->elementExists('parentcategory')) {
$mform->removeElement('parentcategory');
}
if ($mform->elementExists('aggregationcoef')) {
$mform->removeElement('aggregationcoef');
}
} else {
// If we wanted to change parent of existing item - we would have to verify there are no circular references in parents.
if ($id > -1 && $mform->elementExists('parentcategory')) {
$mform->hardFreeze('parentcategory');
}
$parentcategory = $gradeitem->get_parent_category();
if (!$parentcategory) {
// If we do not have an id, we are creating a new grade item.
// Assign the course category to this grade item.
$parentcategory = grade_category::fetch_course_category($courseid);
$gradeitem->parent_category = $parentcategory;
}
$parentcategory->apply_forced_settings();
if (!$parentcategory->is_aggregationcoef_used() || !$parentcategory->aggregateoutcomes) {
if ($mform->elementExists('aggregationcoef')) {
$mform->removeElement('aggregationcoef');
}
} else {
// Fix label if needed.
$agg_el =& $mform->getElement('aggregationcoef');
$aggcoef = '';
if ($parentcategory->aggregation == GRADE_AGGREGATE_WEIGHTED_MEAN) {
$aggcoef = 'aggregationcoefweight';
} else if ($parentcategory->aggregation == GRADE_AGGREGATE_WEIGHTED_MEAN2) {
$aggcoef = 'aggregationcoefextrasum';
} else if ($parentcategory->aggregation == GRADE_AGGREGATE_EXTRACREDIT_MEAN) {
$aggcoef = 'aggregationcoefextraweight';
} else if ($parentcategory->aggregation == GRADE_AGGREGATE_SUM) {
$aggcoef = 'aggregationcoefextrasum';
}
if ($aggcoef !== '') {
$agg_el->setLabel(get_string($aggcoef, 'grades'));
$mform->addHelpButton('aggregationcoef', $aggcoef, 'grades');
}
}
// Remove the natural weighting fields for other aggregations,
// or when the category does not aggregate outcomes.
if ($parentcategory->aggregation != GRADE_AGGREGATE_SUM ||
!$parentcategory->aggregateoutcomes) {
if ($mform->elementExists('weightoverride')) {
$mform->removeElement('weightoverride');
}
if ($mform->elementExists('aggregationcoef2')) {
$mform->removeElement('aggregationcoef2');
}
}
}
$url = new moodle_url('/grade/edit/tree/outcomeitem.php', ['id' => $id, 'courseid' => $courseid]);
$url = $this->gpr->add_url_params($url);
$url = '<a class="showadvancedform" href="' . $url . '">' . get_string('showmore', 'form') .'</a>';
$mform->addElement('static', 'advancedform', $url);
// Add return tracking info.
$this->gpr->add_mform_elements($mform);
$this->set_data($item);
}
/**
* Return form context
*
* @return context
*/
protected function get_context_for_dynamic_submission(): context {
$courseid = $this->optional_param('courseid', null, PARAM_INT);
return context_course::instance($courseid);
}
/**
* Check if current user has access to this form, otherwise throw exception
*
* @return void
* @throws \required_capability_exception
*/
protected function check_access_for_dynamic_submission(): void {
$courseid = $this->optional_param('courseid', null, PARAM_INT);
require_capability('moodle/grade:manage', context_course::instance($courseid));
}
/**
* Load in existing data as form defaults
*
* @return void
*/
public function set_data_for_dynamic_submission(): void {
$this->set_data((object)[
'courseid' => $this->optional_param('courseid', null, PARAM_INT),
'itemid' => $this->optional_param('itemid', null, PARAM_INT)
]);
}
/**
* Returns url to set in $PAGE->set_url() when form is being rendered or submitted via AJAX
*
* @return moodle_url
* @throws \moodle_exception
*/
protected function get_page_url_for_dynamic_submission(): moodle_url {
$params = [
'id' => $this->optional_param('courseid', null, PARAM_INT),
'itemid' => $this->optional_param('itemid', null, PARAM_INT),
];
return new moodle_url('/grade/edit/tree/index.php', $params);
}
/**
* Process the form submission, used if form was submitted via AJAX
*
* @return array
* @throws \moodle_exception
*/
public function process_dynamic_submission() {
global $DB;
$data = $this->get_data();
$url = $this->gpr->get_return_url('index.php?id=' . $data->courseid);
$local = $this->get_gradeitem();
$gradeitem = $local['gradeitem'];
$item = $local['item'];
$parentcategory = grade_category::fetch_course_category($data->courseid);
// Form submission handling.
// If unset, give the aggregation values a default based on parent aggregation method.
$defaults = grade_category::get_default_aggregation_coefficient_values($parentcategory->aggregation);
if (!isset($data->aggregationcoef) || $data->aggregationcoef == '') {
$data->aggregationcoef = $defaults['aggregationcoef'];
}
if (!isset($data->weightoverride)) {
$data->weightoverride = $defaults['weightoverride'];
}
if (property_exists($data, 'calculation')) {
$data->calculation = grade_item::normalize_formula($data->calculation, $data->courseid);
}
$hide = empty($data->hiddenuntil) ? 0 : $data->hiddenuntil;
if (!$hide) {
$hide = empty($data->hidden) ? 0 : $data->hidden;
}
$locked = empty($data->locked) ? 0 : $data->locked;
$locktime = empty($data->locktime) ? 0 : $data->locktime;
$convert = ['gradepass', 'aggregationcoef', 'aggregationcoef2'];
foreach ($convert as $param) {
if (property_exists($data, $param)) {
$data->$param = unformat_float($data->$param);
}
}
if (isset($data->aggregationcoef2) && $parentcategory->aggregation == GRADE_AGGREGATE_SUM) {
$data->aggregationcoef2 = $data->aggregationcoef2 / 100.0;
} else {
$data->aggregationcoef2 = $defaults['aggregationcoef2'];
}
grade_item::set_properties($gradeitem, $data);
// Link this outcome item to the user specified linked activity.
if (empty($data->cmid) || $data->cmid == 0) {
// Manual item.
$gradeitem->itemtype = 'manual';
$gradeitem->itemmodule = null;
$gradeitem->iteminstance = null;
$gradeitem->itemnumber = 0;
} else {
$params = [$data->cmid];
$module = $DB->get_record_sql("SELECT cm.*, m.name as modname
FROM {modules} m, {course_modules} cm
WHERE cm.id = ? AND cm.module = m.id ", $params);
$gradeitem->itemtype = 'mod';
$gradeitem->itemmodule = $module->modname;
$gradeitem->iteminstance = $module->instance;
if ($items = grade_item::fetch_all(['itemtype' => 'mod', 'itemmodule' => $gradeitem->itemmodule,
'iteminstance' => $gradeitem->iteminstance, 'courseid' => $data->courseid])) {
if (!empty($gradeitem->id) && in_array($gradeitem, $items)) {
// No change needed.
} else {
$max = 999;
foreach ($items as $item) {
if (empty($item->outcomeid)) {
continue;
}
if ($item->itemnumber > $max) {
$max = $item->itemnumber;
}
}
$gradeitem->itemnumber = $max + 1;
}
} else {
$gradeitem->itemnumber = 1000;
}
}
// Fix scale used.
$outcome = grade_outcome::fetch(['id' => $data->outcomeid]);
$gradeitem->gradetype = GRADE_TYPE_SCALE;
$gradeitem->scaleid = $outcome->scaleid; // TODO: we might recalculate existing outcome grades when changing scale.
if (empty($gradeitem->id)) {
$gradeitem->insert();
// Move next to activity if adding linked outcome.
if ($gradeitem->itemtype == 'mod') {
if ($linkeditem = grade_item::fetch(['itemtype' => 'mod', 'itemmodule' => $gradeitem->itemmodule,
'iteminstance' => $gradeitem->iteminstance, 'itemnumber' => 0, 'courseid' => $data->courseid])) {
$gradeitem->set_parent($linkeditem->categoryid);
$gradeitem->move_after_sortorder($linkeditem->sortorder);
}
} else {
// Set parent if needed.
if (isset($data->parentcategory)) {
$gradeitem->set_parent($data->parentcategory, false);
}
}
} else {
$gradeitem->update();
}
if ($item->cancontrolvisibility) {
// Update hiding flag.
$gradeitem->set_hidden($hide, true);
}
$gradeitem->set_locktime($locktime); // Locktime first - it might be removed when unlocking.
$gradeitem->set_locked($locked, false, true);
return [
'result' => true,
'url' => $url,
'errors' => [],
];
}
/**
* Form validation.
*
* @param array $data array of ("fieldname"=>value) of submitted data
* @param array $files array of uploaded files "element_name"=>tmp_file_path
* @return array of "element_name"=>"error_description" if there are errors,
* or an empty array if everything is OK (true allowed for backwards compatibility too).
*/
public function validation($data, $files): array {
$errors = [];
$local = $this->get_gradeitem();
$gradeitem = $local['gradeitem'];
$item = $local['item'];
if (!grade_verify_idnumber($gradeitem->id, $item->courseid, $gradeitem)) {
$errors['idnumber'] = get_string('idnumbertaken');
}
return $errors;
}
}