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/>.

/**

 * A page for selecting outcomes for use in a course

 *

 * @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->libdir.'/gradelib.php';

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

$PAGE->set_url('/grade/edit/outcome/course.php', array('id'=>$courseid));

$course = $DB->get_record('course', array('id' => $courseid), '*', MUST_EXIST);

/// Make sure they can even access this course

require_login($course);

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

require_capability('moodle/course:update', $context);

/// return tracking object

$gpr = new grade_plugin_return(array('type'=>'edit', 'plugin'=>'outcomes', 'courseid'=>$courseid));

// first of all fix the state of outcomes_course table

$standardoutcomes    = grade_outcome::fetch_all_global();

$co_custom           = grade_outcome::fetch_all_local($courseid);

$co_standard_used    = array();

$co_standard_notused = array();

if ($courseused = $DB->get_records('grade_outcomes_courses', array('courseid' => $courseid), '', 'outcomeid')) {

    $courseused = array_keys($courseused);

} else {

    $courseused = array();

}

// fix wrong entries in outcomes_courses

foreach ($courseused as $oid) {

    if (!array_key_exists($oid, $standardoutcomes) and !array_key_exists($oid, $co_custom)) {

        $DB->delete_records('grade_outcomes_courses', array('outcomeid' => $oid, 'courseid' => $courseid));

    }

}

// fix local custom outcomes missing in outcomes_course

foreach($co_custom as $oid=>$outcome) {

    if (!in_array($oid, $courseused)) {

        $courseused[$oid] = $oid;

        $goc = new stdClass();

        $goc->courseid = $courseid;

        $goc->outcomeid = $oid;

        $DB->insert_record('grade_outcomes_courses', $goc);

    }

}

// now check all used standard outcomes are in outcomes_course too

$params = array($courseid);

$sql = "SELECT DISTINCT outcomeid

          FROM {grade_items}

         WHERE courseid=? and outcomeid IS NOT NULL";

if ($realused = $DB->get_records_sql($sql, $params)) {

    $realused = array_keys($realused);

    foreach ($realused as $oid) {

        if (array_key_exists($oid, $standardoutcomes)) {

            $co_standard_used[$oid] = $standardoutcomes[$oid];

            unset($standardoutcomes[$oid]);

            if (!in_array($oid, $courseused)) {

                $courseused[$oid] = $oid;

                $goc = new stdClass();

                $goc->courseid = $courseid;

                $goc->outcomeid = $oid;

                $DB->insert_record('grade_outcomes_courses', $goc);

            }

        }

    }

}

// find all unused standard course outcomes - candidates for removal

foreach ($standardoutcomes as $oid=>$outcome) {

    if (in_array($oid, $courseused)) {

        $co_standard_notused[$oid] = $standardoutcomes[$oid];

        unset($standardoutcomes[$oid]);

    }

}

/// form processing

if ($data = data_submitted() and confirm_sesskey()) {

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

    if (!empty($data->add) && !empty($data->addoutcomes)) {

    /// add all selected to course list

        foreach ($data->addoutcomes as $add) {

            $add = clean_param($add, PARAM_INT);

            if (!array_key_exists($add, $standardoutcomes)) {

                continue;

            }

            $goc = new stdClass();

            $goc->courseid = $courseid;

            $goc->outcomeid = $add;

            $DB->insert_record('grade_outcomes_courses', $goc);

        }

    } else if (!empty($data->remove) && !empty($data->removeoutcomes)) {

    /// remove all selected from course outcomes list

        foreach ($data->removeoutcomes as $remove) {

            $remove = clean_param($remove, PARAM_INT);

            if (!array_key_exists($remove, $co_standard_notused)) {

                continue;

            }

            $DB->delete_records('grade_outcomes_courses', array('courseid' => $courseid, 'outcomeid' => $remove));

        }

    }

    redirect('course.php?id='.$courseid); // we must redirect to get fresh data

}

$actionbar = new \core_grades\output\course_outcomes_action_bar($context);

// Print header.

print_grade_page_head($COURSE->id, 'outcome', 'course', false, false, false,

    true, null, null, null, $actionbar);

require('course_form.html');

echo $OUTPUT->footer();