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/>.

/**

 * Configurable Reports

 * A Moodle block for creating customizable reports

 * @package blocks

 * @author: Juan leyva <http://www.twitter.com/jleyvadelgado>

 * @date: 2009

 */

require_once($CFG->dirroot.'/blocks/configurable_reports/plugin.class.php');

class plugin_coursestats extends plugin_base{

    public function init() {

        $this->fullname = get_string('coursestats', 'block_configurable_reports');

        $this->type = 'undefined';

        $this->form = true;

        $this->reporttypes = array('courses');

    }

    public function summary($data) {

        return format_string($data->columname);

    }

    public function colformat($data) {

        $align = (isset($data->align)) ? $data->align : '';

        $size = (isset($data->size)) ? $data->size : '';

        $wrap = (isset($data->wrap)) ? $data->wrap : '';

        return array($align, $size, $wrap);

    }

    // Data -> Plugin configuration data.

    // Row -> Complet user row c->id, c->fullname, etc...

    public function execute($data, $row, $user, $courseid, $starttime = 0, $endtime = 0) {

        global $DB, $CFG;

        $stat = '--';

        $filterstarttime = optional_param('filter_starttime', 0, PARAM_RAW);

        $filterendtime = optional_param('filter_endtime', 0, PARAM_RAW);

        // Do not apply filters in timeline report (filters yet applied).

        if ($starttime && $endtime) {

            $filterstarttime = 0;

            $filterendtime = 0;

        }

        if ($filterstarttime && $filterendtime) {

            $filterstarttime = make_timestamp($filterstarttime['year'], $filterstarttime['month'], $filterstarttime['day']);

            $filterendtime = make_timestamp($filterendtime['year'], $filterendtime['month'], $filterendtime['day']);

        }

        $starttime = ($filterstarttime) ? $filterstarttime : $starttime;

        $endtime = ($filterendtime) ? $filterendtime : $endtime;

        $extrasql = "";

        $limit = 0;

        switch($data->stat){

            case 'activityview':

                $total = 'SUM(stat1)';

                $stattype = 'activity';

                $extrasql = " AND roleid IN (".implode(',', $data->roles).")";

                break;

            case 'activitypost':

                $total = 'SUM(stat2)';

                $stattype = 'activity';

                $extrasql = " AND roleid IN (".implode(',', $data->roles).")";

                break;

            case 'activeenrolments':

                $total = 'stat2';

                $stattype = 'enrolments';

                $extrasql = " ORDER BY timeend DESC";

                $limit = 1;

                break;

            case 'totalenrolments':

            default:

                $total = 'stat1';

                $stattype = 'enrolments';

                $extrasql = " ORDER BY timeend DESC";

                $limit = 1;

        }

        $sql = "SELECT $total as total FROM {stats_daily} WHERE stattype = ? AND courseid = ?";

        $params = array($stattype, $row->id);

        if ($starttime && $endtime) {

            $starttime = usergetmidnight($starttime) + 24 * 60 * 60;

            $endtime = usergetmidnight($endtime) + 24 * 60 * 60;

            $sql .= " AND timeend >= ? AND timeend <= ?";

            $params = array_merge($params, array($starttime, $endtime));

        }

        $sql .= $extrasql;

        if ($res = $DB->get_records_sql($sql, $params, 0, $limit)) {

            $res = array_shift($res);

            if ($res->total != null) {

                return $res->total;

            } else {

                return 0;

            }

        }

        return $stat;

    }

}