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/>.

/**

 * Display user activity reports for a course (totals)

 *

 * @package    report

 * @subpackage outline

 * @copyright  1999 onwards Martin Dougiamas (http://dougiamas.com)

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

 */

use core\report_helper;

require('../../config.php');

require_once($CFG->dirroot.'/report/outline/locallib.php');

$id = required_param('id',PARAM_INT);       // course id

$startdate = optional_param('startdate', null, PARAM_INT);

$enddate = optional_param('enddate', null, PARAM_INT);

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

$pageparams = array('id' => $id);

if ($startdate) {

    $pageparams['startdate'] = $startdate;

}

if ($enddate) {

    $pageparams['enddate'] = $enddate;

}

$PAGE->set_url('/report/outline/index.php', $pageparams);

$PAGE->set_pagelayout('report');

require_login($course);

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

require_capability('report/outline:view', $context);

// Handle form to filter access logs by date.

$filterform = new \report_outline\filter_form();

$filterform->set_data(['id' => $course->id, 'filterstartdate' => $startdate, 'filterenddate' => $enddate]);

if ($filterform->is_cancelled()) {

    $redir = $PAGE->url;

    $redir->remove_params(['startdate', 'enddate']);

    redirect($redir);

}

if ($filter = $filterform->get_data()) {

    $redir = $PAGE->url;

    if ($filter->filterstartdate) {

        $redir->param('startdate', $filter->filterstartdate);

    }

    if ($filter->filterenddate) {

        $redir->param('enddate', $filter->filterenddate);

    }

    redirect($redir);

}

// Trigger an activity report viewed event.

$event = \report_outline\event\activity_report_viewed::create(array('context' => $context));

$event->trigger();

$showlastaccess = true;

$showblogs = !empty($CFG->enableblogs) && $CFG->useblogassociations;

$hiddenfields = explode(',', $CFG->hiddenuserfields);

if (array_search('lastaccess', $hiddenfields) !== false and !has_capability('moodle/user:viewhiddendetails', $context)) {

    $showlastaccess = false;

}

$stractivityreport = get_string('pluginname', 'report_outline');

$PAGE->set_title($course->shortname .': '. $stractivityreport);

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

echo $OUTPUT->header();

// Print selector drop down.

$pluginname = get_string('pluginname', 'report_outline');

report_helper::print_report_selector($pluginname);

list($uselegacyreader, $useinternalreader, $minloginternalreader, $logtable) = report_outline_get_common_log_variables();

// If no legacy and no internal log then don't proceed.

if (!$uselegacyreader && !$useinternalreader) {

    echo $OUTPUT->box_start('generalbox', 'notice');

    echo $OUTPUT->notification(get_string('nologreaderenabled', 'report_outline'));

    echo $OUTPUT->box_end();

    echo $OUTPUT->footer();

    die();

}

// We want to display the time we are beginning to get logs from in the heading.

// If we are using the legacy reader check the minimum time in that log table.

if ($uselegacyreader) {

    $minlog = $DB->get_field_sql('SELECT min(time) FROM {log}');

}

// If we are using the internal reader check the minimum time in that table.

if ($useinternalreader) {

    // If new log table has older data then don't use the minimum time obtained from the legacy table.

    if (empty($minlog) || ($minloginternalreader <= $minlog)) {

        $minlog = $minloginternalreader;

    }

}

$filterform->display();

$modinfo = get_fast_modinfo($course);

// If using legacy log then get users from old table.

if ($uselegacyreader) {

    // If we are going to use the internal (not legacy) log table, we should only get records

    // from the legacy table that exist before we started adding logs to the new table.

    $params = array('courseid' => $course->id, 'action' => 'view%', 'visible' => 1);

    $limittime = '';

    if (!empty($minloginternalreader)) {

        $limittime = ' AND time < :timeto ';

        $params['timeto'] = $minloginternalreader;

    }

    if ($startdate) {

        $limittime .= ' AND time >= :startdate ';

        $params['startdate'] = $startdate;

    }

    if ($enddate) {

        $limittime .= ' AND time < :enddate ';

        $params['enddate'] = $enddate;

    }

    // Check if we need to show the last access.

    $sqllasttime = '';

    if ($showlastaccess) {

        $sqllasttime = ", MAX(time) AS lasttime";

    }

    $logactionlike = $DB->sql_like('l.action', ':action');

    $sql = "SELECT cm.id, COUNT('x') AS numviews, COUNT(DISTINCT userid) AS distinctusers $sqllasttime

              FROM {course_modules} cm

              JOIN {modules} m

                ON m.id = cm.module

              JOIN {log} l

                ON l.cmid = cm.id

             WHERE cm.course = :courseid

               AND $logactionlike

               AND m.visible = :visible $limittime

          GROUP BY cm.id";

    $views = $DB->get_records_sql($sql, $params);

}

// Get record from sql_internal_table_reader and merge with records obtained from legacy log (if needed).

if ($useinternalreader) {

    // Check if we need to show the last access.

    $sqllasttime = '';

    if ($showlastaccess) {

        $sqllasttime = ", MAX(timecreated) AS lasttime";

    }

    $params = array('courseid' => $course->id, 'contextmodule' => CONTEXT_MODULE);

    $limittime = '';

    if ($startdate) {

        $limittime .= ' AND timecreated >= :startdate ';

        $params['startdate'] = $startdate;

    }

    if ($enddate) {

        $limittime .= ' AND timecreated < :enddate ';

        $params['enddate'] = $enddate;

    }

    $sql = "SELECT contextinstanceid as cmid, COUNT('x') AS numviews, COUNT(DISTINCT userid) AS distinctusers $sqllasttime

              FROM {" . $logtable . "} l

             WHERE courseid = :courseid

               AND anonymous = 0

               AND crud = 'r'

               AND contextlevel = :contextmodule

               $limittime

          GROUP BY contextinstanceid";

    $v = $DB->get_records_sql($sql, $params);

    if (empty($views)) {

        $views = $v;

    } else {

        // Merge two view arrays.

        foreach ($v as $key => $value) {

            if (isset($views[$key]) && !empty($views[$key]->numviews)) {

                $views[$key]->numviews += $value->numviews;

                if ($value->lasttime > $views[$key]->lasttime) {

                    $views[$key]->lasttime = $value->lasttime;

                }

            } else {

                $views[$key] = $value;

            }

        }

    }

}

$activitieslist = new report_outline\output\activitieslist($modinfo, $views, $showlastaccess, $minlog, $showblogs);

echo $OUTPUT->render_from_template('report_outline/report', $activitieslist->export_for_template($OUTPUT));

echo $OUTPUT->footer();