Proyectos de Subversion Moodle

<?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/>.

/**

 * Edit a user's grade for a particular activity

 *

 * @package   core_grades

 * @copyright 2007 Petr Skoda

 * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later

 */

require_once '../../../config.php';

require_once $CFG->dirroot.'/grade/lib.php';

require_once $CFG->dirroot.'/grade/report/lib.php';

require_once 'grade_form.php';

$courseid = required_param('courseid', PARAM_INT);

$id       = optional_param('id', 0, PARAM_INT);

$itemid   = optional_param('itemid', 0, PARAM_INT);

$userid   = optional_param('userid', 0, PARAM_INT);

$url = new moodle_url('/grade/edit/tree/grade.php', array('courseid'=>$courseid));

if ($id !== 0) {

    $url->param('id', $id);

}

if ($itemid !== 0) {

    $url->param('itemid', $itemid);

}

if ($userid !== 0) {

    $url->param('userid', $userid);

}

$PAGE->set_url($url);

if (!$course = $DB->get_record('course', array('id' => $courseid))) {

    throw new \moodle_exception('invalidcourseid');

}

$PAGE->set_pagelayout('incourse');

require_login($course);

$context = context_course::instance($course->id);

if (!has_capability('moodle/grade:manage', $context)) {

    require_capability('moodle/grade:edit', $context);

}

// default return url

$gpr = new grade_plugin_return();

$returnurl = $gpr->get_return_url($CFG->wwwroot.'/grade/report/index.php?id='.$course->id);

// security checks!

if (!empty($id)) {

    if (!$grade = $DB->get_record('grade_grades', array('id' => $id))) {

        throw new \moodle_exception('invalidgroupid');

    }

    if (!empty($itemid) and $itemid != $grade->itemid) {

        throw new \moodle_exception('invaliditemid');

    }

    $itemid = $grade->itemid;

    if (!empty($userid) and $userid != $grade->userid) {

        throw new \moodle_exception('invaliduser');

    }

    $userid = $grade->userid;

    unset($grade);

} else if (empty($userid) or empty($itemid)) {

    throw new \moodle_exception('missinguseranditemid');

}

if (!$grade_item = grade_item::fetch(array('id'=>$itemid, 'courseid'=>$courseid))) {

    throw new \moodle_exception('cannotfindgradeitem');

}

// now verify grading user has access to all groups or is member of the same group when separate groups used in course

if (groups_get_course_groupmode($COURSE) == SEPARATEGROUPS and !has_capability('moodle/site:accessallgroups', $context)) {

    if ($groups = groups_get_all_groups($COURSE->id, $userid)) {

        $ok = false;

        foreach ($groups as $group) {

            if (groups_is_member($group->id, $USER->id)) {

                $ok = true;

            }

        }

        if (!$ok) {

            throw new \moodle_exception('cannotgradeuser');

        }

    } else {

        throw new \moodle_exception('cannotgradeuser');

    }

}

$mform = new edit_grade_form(null, array('grade_item'=>$grade_item, 'gpr'=>$gpr));

if ($grade = $DB->get_record('grade_grades', array('itemid' => $grade_item->id, 'userid' => $userid))) {

    // always clean existing feedback - grading should not have XSS risk

    if (empty($grade->feedback)) {

        $grade->feedback  = '';

    } else {

        $options = new stdClass();

        $options->filter  = false;

        $options->noclean = false;

        $options->para    = false;

        $grade->feedback  = format_text($grade->feedback, $grade->feedbackformat, $options);

    }

    $grade->feedbackformat = FORMAT_HTML;

    $grade->locked      = $grade->locked     > 0 ? 1:0;

    $grade->overridden  = $grade->overridden > 0 ? 1:0;

    $grade->excluded    = $grade->excluded   > 0 ? 1:0;

    if ($grade->hidden > 1) {

        $grade->hiddenuntil = $grade->hidden;

        $grade->hidden = 1;

    } else {

        $grade->hiddenuntil = 0;

    }

    if ($grade_item->is_hidden()) {

        $grade->hidden = 1;

    }

    if ($grade_item->is_locked()) {

        $grade->locked = 1;

    }

    // normalize the final grade value

    if ($grade_item->gradetype == GRADE_TYPE_SCALE) {

        if (empty($grade->finalgrade)) {

            $grade->finalgrade = -1;

        } else {

            $grade->finalgrade = (int)$grade->finalgrade;

        }

    } else if ($grade_item->gradetype == GRADE_TYPE_VALUE) {

        $grade->finalgrade = format_float($grade->finalgrade, $grade_item->get_decimals());

    }

    $grade->oldgrade    = $grade->finalgrade;

    $grade->oldfeedback = $grade->feedback;

    $grade->feedback = array('text'=>$grade->feedback, 'format'=>$grade->feedbackformat);

    $mform->set_data($grade);

} else {

    $grade = new stdClass();

    $grade->feedback = array('text'=>'', 'format'=>FORMAT_HTML);

    $mform->set_data(array('itemid'=>$itemid, 'userid'=>$userid, 'locked'=>$grade_item->locked, 'locktime'=>$grade_item->locktime));

}

if ($mform->is_cancelled()) {

    redirect($returnurl);

// form processing

} else if ($data = $mform->get_data(false)) {

    if (isset($data->feedback) && is_array($data->feedback)) {

        $data->feedbackformat = $data->feedback['format'];

        $data->feedback = $data->feedback['text'];

    }

    $old_grade_grade = new grade_grade(array('userid'=>$data->userid, 'itemid'=>$grade_item->id), true); //might not exist yet

    // fix no grade for scales

    if (!isset($data->finalgrade) or $data->finalgrade == $data->oldgrade) {

        $data->finalgrade = $old_grade_grade->finalgrade;

    } else if ($grade_item->gradetype == GRADE_TYPE_SCALE) {

        if ($data->finalgrade < 1) {

            $data->finalgrade = NULL;

        }

    } else if ($grade_item->gradetype == GRADE_TYPE_VALUE) {

        $data->finalgrade = unformat_float($data->finalgrade);

    } else {

        //this should not happen

        $data->finalgrade = $old_grade_grade->finalgrade;

    }

    // the overriding of feedback is tricky - we have to care about external items only

    if (!property_exists($data, 'feedback') or $data->feedback == $data->oldfeedback) {

        $data->feedback       = $old_grade_grade->feedback;

        $data->feedbackformat = $old_grade_grade->feedbackformat;

    }

    // update final grade or feedback

    // when we set override grade the first time, it happens here

    $grade_item->update_final_grade($data->userid, $data->finalgrade, 'editgrade', $data->feedback, $data->feedbackformat);

    $grade_grade = new grade_grade(array('userid'=>$data->userid, 'itemid'=>$grade_item->id), true);

    $grade_grade->grade_item =& $grade_item; // no db fetching

    if (has_capability('moodle/grade:manage', $context) or has_capability('moodle/grade:edit', $context)) {

        // change overridden flag

        if (!isset($data->overridden)) {

            $data->overridden = 0; // checkbox unticked

        }

        $grade_grade->set_overridden($data->overridden);

    }

    if (has_capability('moodle/grade:manage', $context) or has_capability('moodle/grade:hide', $context)) {

        $hidden      = empty($data->hidden) ? 0: $data->hidden;

        $hiddenuntil = empty($data->hiddenuntil) ? 0: $data->hiddenuntil;

        if ($grade_item->is_hidden()) {

            if ($old_grade_grade->hidden == 1 and $hiddenuntil == 0) {

                //nothing to do - grade was originally hidden, we want to keep it that way

            } else {

                $grade_grade->set_hidden($hiddenuntil);

            }

        } else {

            if ($hiddenuntil) {

                $grade_grade->set_hidden($hiddenuntil);

            } else {

                $grade_grade->set_hidden($hidden); // checkbox data might be undefined

            }

        }

    }

    if (isset($data->locked) and !$grade_item->is_locked()) {

        if (($old_grade_grade->locked or $old_grade_grade->locktime)

          and (!has_capability('moodle/grade:manage', $context) and !has_capability('moodle/grade:unlock', $context))) {

            //ignore data

        } else if ((!$old_grade_grade->locked and !$old_grade_grade->locktime)

          and (!has_capability('moodle/grade:manage', $context) and !has_capability('moodle/grade:lock', $context))) {

            //ignore data

        } else {

            $grade_grade->set_locktime($data->locktime); //set_lock may reset locktime

            $grade_grade->set_locked($data->locked, false, true);

            // reload grade in case it was regraded from activity

            $grade_grade = new grade_grade(array('userid'=>$data->userid, 'itemid'=>$grade_item->id), true);

            $grade_grade->grade_item =& $grade_item; // no db fetching

        }

    }

    if (isset($data->excluded) and has_capability('moodle/grade:manage', $context)) {

        $grade_grade->set_excluded($data->excluded);

    }

    // detect cases when we need to do full regrading

    if ($old_grade_grade->excluded != $grade_grade->excluded) {

        $parent = $grade_item->get_parent_category();

        $parent->force_regrading();

    } else if ($old_grade_grade->overridden != $grade_grade->overridden and empty($grade_grade->overridden)) { // only when unoverridding

        $grade_item->force_regrading();

    } else if ($old_grade_grade->locktime != $grade_grade->locktime) {

        $grade_item->force_regrading();

    }

    redirect($returnurl);

}

$strgrades       = get_string('grades');

$strgraderreport = get_string('graderreport', 'grades');

$strgradeedit    = get_string('editgrade', 'grades');

$struser         = get_string('user');

grade_build_nav(__FILE__, $strgradeedit, array('courseid' => $courseid));

/*********** BEGIN OUTPUT *************/

$PAGE->set_title($strgrades . ': ' . $strgraderreport . ': ' . $strgradeedit);

$PAGE->set_heading($course->fullname);

echo $OUTPUT->header();

echo $OUTPUT->heading($strgradeedit);

echo $OUTPUT->box_start();

// Form if in edit or add modes

$mform->display();

echo $OUTPUT->box_end();

echo $OUTPUT->footer();

die;