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lib.php
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<?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/>.
/**
* Library of useful functions
*
* @copyright 1999 Martin Dougiamas http://dougiamas.com
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
* @package core
* @subpackage course
*/
defined('MOODLE_INTERNAL') || die;
require_once($CFG->libdir.'/completionlib.php');
require_once($CFG->libdir.'/filelib.php');
require_once($CFG->dirroot.'/course/dnduploadlib.php');
require_once($CFG->dirroot.'/course/format/lib.php');
define('COURSE_MAX_LOGS_PER_PAGE', 1000); // records
define('COURSE_MAX_RECENT_PERIOD', 172800); // Two days, in seconds
/**
* Number of courses to display when summaries are included.
* @var int
* @deprecated since 2.4, use $CFG->courseswithsummarieslimit instead.
*/
define('COURSE_MAX_SUMMARIES_PER_PAGE', 10);
define('COURSE_MAX_COURSES_PER_DROPDOWN',1000); // max courses in log dropdown before switching to optional
define('COURSE_MAX_USERS_PER_DROPDOWN',1000); // max users in log dropdown before switching to optional
define('FRONTPAGENEWS', '0');
define('FRONTPAGECOURSELIST', '1'); // Not used. TODO MDL-38832 remove
define('FRONTPAGECATEGORYNAMES', '2');
define('FRONTPAGETOPICONLY', '3'); // Not used. TODO MDL-38832 remove
define('FRONTPAGECATEGORYCOMBO', '4');
define('FRONTPAGEENROLLEDCOURSELIST', '5');
define('FRONTPAGEALLCOURSELIST', '6');
define('FRONTPAGECOURSESEARCH', '7');
define('FRONTPAGECOURSELIMIT', 200); // Important! Replaced with $CFG->frontpagecourselimit - maximum number of courses displayed on the frontpage. TODO MDL-38832 remove
define('EXCELROWS', 65535);
define('FIRSTUSEDEXCELROW', 3);
define('MOD_CLASS_ACTIVITY', 0);
define('MOD_CLASS_RESOURCE', 1);
function make_log_url($module, $url) {
switch ($module) {
case 'course':
if (strpos($url, 'report/') === 0) {
// there is only one report type, course reports are deprecated
$url = "/$url";
break;
}
case 'file':
case 'login':
case 'lib':
case 'admin':
case 'calendar':
case 'category':
case 'mnet course':
if (strpos($url, '../') === 0) {
$url = ltrim($url, '.');
} else {
$url = "/course/$url";
}
break;
case 'user':
case 'blog':
$url = "/$module/$url";
break;
case 'upload':
$url = $url;
break;
case 'coursetags':
$url = '/'.$url;
break;
case 'library':
case '':
$url = '/';
break;
case 'message':
$url = "/message/$url";
break;
case 'notes':
$url = "/notes/$url";
break;
case 'tag':
$url = "/tag/$url";
break;
case 'role':
$url = '/'.$url;
break;
default:
$url = "/mod/$module/$url";
break;
}
//now let's sanitise urls - there might be some ugly nasties:-(
$parts = explode('?', $url);
$script = array_shift($parts);
if (strpos($script, 'http') === 0) {
$script = clean_param($script, PARAM_URL);
} else {
$script = clean_param($script, PARAM_PATH);
}
$query = '';
if ($parts) {
$query = implode('', $parts);
$query = str_replace('&', '&', $query); // both & and & are stored in db :-|
$parts = explode('&', $query);
$eq = urlencode('=');
foreach ($parts as $key=>$part) {
$part = urlencode(urldecode($part));
$part = str_replace($eq, '=', $part);
$parts[$key] = $part;
}
$query = '?'.implode('&', $parts);
}
return $script.$query;
}
function build_mnet_logs_array($hostid, $course, $user=0, $date=0, $order="l.time ASC", $limitfrom='', $limitnum='',
$modname="", $modid=0, $modaction="", $groupid=0) {
global $CFG, $DB;
// It is assumed that $date is the GMT time of midnight for that day,
// and so the next 86400 seconds worth of logs are printed.
/// Setup for group handling.
// TODO: I don't understand group/context/etc. enough to be able to do
// something interesting with it here
// What is the context of a remote course?
/// If the group mode is separate, and this user does not have editing privileges,
/// then only the user's group can be viewed.
//if ($course->groupmode == SEPARATEGROUPS and !has_capability('moodle/course:managegroups', context_course::instance($course->id))) {
// $groupid = get_current_group($course->id);
//}
/// If this course doesn't have groups, no groupid can be specified.
//else if (!$course->groupmode) {
// $groupid = 0;
//}
$groupid = 0;
$joins = array();
$where = '';
$qry = "SELECT l.*, u.firstname, u.lastname, u.picture
FROM {mnet_log} l
LEFT JOIN {user} u ON l.userid = u.id
WHERE ";
$params = array();
$where .= "l.hostid = :hostid";
$params['hostid'] = $hostid;
// TODO: Is 1 really a magic number referring to the sitename?
if ($course != SITEID || $modid != 0) {
$where .= " AND l.course=:courseid";
$params['courseid'] = $course;
}
if ($modname) {
$where .= " AND l.module = :modname";
$params['modname'] = $modname;
}
if ('site_errors' === $modid) {
$where .= " AND ( l.action='error' OR l.action='infected' )";
} else if ($modid) {
//TODO: This assumes that modids are the same across sites... probably
//not true
$where .= " AND l.cmid = :modid";
$params['modid'] = $modid;
}
if ($modaction) {
$firstletter = substr($modaction, 0, 1);
if ($firstletter == '-') {
$where .= " AND ".$DB->sql_like('l.action', ':modaction', false, true, true);
$params['modaction'] = '%'.substr($modaction, 1).'%';
} else {
$where .= " AND ".$DB->sql_like('l.action', ':modaction', false);
$params['modaction'] = '%'.$modaction.'%';
}
}
if ($user) {
$where .= " AND l.userid = :user";
$params['user'] = $user;
}
if ($date) {
$enddate = $date + 86400;
$where .= " AND l.time > :date AND l.time < :enddate";
$params['date'] = $date;
$params['enddate'] = $enddate;
}
$result = array();
$result['totalcount'] = $DB->count_records_sql("SELECT COUNT('x') FROM {mnet_log} l WHERE $where", $params);
if(!empty($result['totalcount'])) {
$where .= " ORDER BY $order";
$result['logs'] = $DB->get_records_sql("$qry $where", $params, $limitfrom, $limitnum);
} else {
$result['logs'] = array();
}
return $result;
}
function build_logs_array($course, $user=0, $date=0, $order="l.time ASC", $limitfrom='', $limitnum='',
$modname="", $modid=0, $modaction="", $groupid=0) {
global $DB, $SESSION, $USER;
// It is assumed that $date is the GMT time of midnight for that day,
// and so the next 86400 seconds worth of logs are printed.
/// Setup for group handling.
/// If the group mode is separate, and this user does not have editing privileges,
/// then only the user's group can be viewed.
if ($course->groupmode == SEPARATEGROUPS and !has_capability('moodle/course:managegroups', context_course::instance($course->id))) {
if (isset($SESSION->currentgroup[$course->id])) {
$groupid = $SESSION->currentgroup[$course->id];
} else {
$groupid = groups_get_all_groups($course->id, $USER->id);
if (is_array($groupid)) {
$groupid = array_shift(array_keys($groupid));
$SESSION->currentgroup[$course->id] = $groupid;
} else {
$groupid = 0;
}
}
}
/// If this course doesn't have groups, no groupid can be specified.
else if (!$course->groupmode) {
$groupid = 0;
}
$joins = array();
$params = array();
if ($course->id != SITEID || $modid != 0) {
$joins[] = "l.course = :courseid";
$params['courseid'] = $course->id;
}
if ($modname) {
$joins[] = "l.module = :modname";
$params['modname'] = $modname;
}
if ('site_errors' === $modid) {
$joins[] = "( l.action='error' OR l.action='infected' )";
} else if ($modid) {
$joins[] = "l.cmid = :modid";
$params['modid'] = $modid;
}
if ($modaction) {
$firstletter = substr($modaction, 0, 1);
if ($firstletter == '-') {
$joins[] = $DB->sql_like('l.action', ':modaction', false, true, true);
$params['modaction'] = '%'.substr($modaction, 1).'%';
} else {
$joins[] = $DB->sql_like('l.action', ':modaction', false);
$params['modaction'] = '%'.$modaction.'%';
}
}
/// Getting all members of a group.
if ($groupid and !$user) {
if ($gusers = groups_get_members($groupid)) {
$gusers = array_keys($gusers);
$joins[] = 'l.userid IN (' . implode(',', $gusers) . ')';
} else {
$joins[] = 'l.userid = 0'; // No users in groups, so we want something that will always be false.
}
}
else if ($user) {
$joins[] = "l.userid = :userid";
$params['userid'] = $user;
}
if ($date) {
$enddate = $date + 86400;
$joins[] = "l.time > :date AND l.time < :enddate";
$params['date'] = $date;
$params['enddate'] = $enddate;
}
$selector = implode(' AND ', $joins);
$totalcount = 0; // Initialise
$result = array();
$result['logs'] = get_logs($selector, $params, $order, $limitfrom, $limitnum, $totalcount);
$result['totalcount'] = $totalcount;
return $result;
}
function print_log($course, $user=0, $date=0, $order="l.time ASC", $page=0, $perpage=100,
$url="", $modname="", $modid=0, $modaction="", $groupid=0) {
global $CFG, $DB, $OUTPUT;
if (!$logs = build_logs_array($course, $user, $date, $order, $page*$perpage, $perpage,
$modname, $modid, $modaction, $groupid)) {
echo $OUTPUT->notification("No logs found!");
echo $OUTPUT->footer();
exit;
}
$courses = array();
if ($course->id == SITEID) {
$courses[0] = '';
if ($ccc = get_courses('all', 'c.id ASC', 'c.id,c.shortname')) {
foreach ($ccc as $cc) {
$courses[$cc->id] = $cc->shortname;
}
}
} else {
$courses[$course->id] = $course->shortname;
}
$totalcount = $logs['totalcount'];
$count=0;
$ldcache = array();
$tt = getdate(time());
$today = mktime (0, 0, 0, $tt["mon"], $tt["mday"], $tt["year"]);
$strftimedatetime = get_string("strftimedatetime");
echo "<div class=\"info\">\n";
print_string("displayingrecords", "", $totalcount);
echo "</div>\n";
echo $OUTPUT->paging_bar($totalcount, $page, $perpage, "$url&perpage=$perpage");
$table = new html_table();
$table->classes = array('logtable','generaltable');
$table->align = array('right', 'left', 'left');
$table->head = array(
get_string('time'),
get_string('ip_address'),
get_string('fullnameuser'),
get_string('action'),
get_string('info')
);
$table->data = array();
if ($course->id == SITEID) {
array_unshift($table->align, 'left');
array_unshift($table->head, get_string('course'));
}
// Make sure that the logs array is an array, even it is empty, to avoid warnings from the foreach.
if (empty($logs['logs'])) {
$logs['logs'] = array();
}
foreach ($logs['logs'] as $log) {
if (isset($ldcache[$log->module][$log->action])) {
$ld = $ldcache[$log->module][$log->action];
} else {
$ld = $DB->get_record('log_display', array('module'=>$log->module, 'action'=>$log->action));
$ldcache[$log->module][$log->action] = $ld;
}
if ($ld && is_numeric($log->info)) {
// ugly hack to make sure fullname is shown correctly
if ($ld->mtable == 'user' && $ld->field == $DB->sql_concat('firstname', "' '" , 'lastname')) {
$log->info = fullname($DB->get_record($ld->mtable, array('id'=>$log->info)), true);
} else {
$log->info = $DB->get_field($ld->mtable, $ld->field, array('id'=>$log->info));
}
}
//Filter log->info
$log->info = format_string($log->info);
// If $log->url has been trimmed short by the db size restriction
// code in add_to_log, keep a note so we don't add a link to a broken url
$brokenurl=(textlib::strlen($log->url)==100 && textlib::substr($log->url,97)=='...');
$row = array();
if ($course->id == SITEID) {
if (empty($log->course)) {
$row[] = get_string('site');
} else {
$row[] = "<a href=\"{$CFG->wwwroot}/course/view.php?id={$log->course}\">". format_string($courses[$log->course])."</a>";
}
}
$row[] = userdate($log->time, '%a').' '.userdate($log->time, $strftimedatetime);
$link = new moodle_url("/iplookup/index.php?ip=$log->ip&user=$log->userid");
$row[] = $OUTPUT->action_link($link, $log->ip, new popup_action('click', $link, 'iplookup', array('height' => 440, 'width' => 700)));
$row[] = html_writer::link(new moodle_url("/user/view.php?id={$log->userid}&course={$log->course}"), fullname($log, has_capability('moodle/site:viewfullnames', context_course::instance($course->id))));
$displayaction="$log->module $log->action";
if ($brokenurl) {
$row[] = $displayaction;
} else {
$link = make_log_url($log->module,$log->url);
$row[] = $OUTPUT->action_link($link, $displayaction, new popup_action('click', $link, 'fromloglive'), array('height' => 440, 'width' => 700));
}
$row[] = $log->info;
$table->data[] = $row;
}
echo html_writer::table($table);
echo $OUTPUT->paging_bar($totalcount, $page, $perpage, "$url&perpage=$perpage");
}
function print_mnet_log($hostid, $course, $user=0, $date=0, $order="l.time ASC", $page=0, $perpage=100,
$url="", $modname="", $modid=0, $modaction="", $groupid=0) {
global $CFG, $DB, $OUTPUT;
if (!$logs = build_mnet_logs_array($hostid, $course, $user, $date, $order, $page*$perpage, $perpage,
$modname, $modid, $modaction, $groupid)) {
echo $OUTPUT->notification("No logs found!");
echo $OUTPUT->footer();
exit;
}
if ($course->id == SITEID) {
$courses[0] = '';
if ($ccc = get_courses('all', 'c.id ASC', 'c.id,c.shortname,c.visible')) {
foreach ($ccc as $cc) {
$courses[$cc->id] = $cc->shortname;
}
}
}
$totalcount = $logs['totalcount'];
$count=0;
$ldcache = array();
$tt = getdate(time());
$today = mktime (0, 0, 0, $tt["mon"], $tt["mday"], $tt["year"]);
$strftimedatetime = get_string("strftimedatetime");
echo "<div class=\"info\">\n";
print_string("displayingrecords", "", $totalcount);
echo "</div>\n";
echo $OUTPUT->paging_bar($totalcount, $page, $perpage, "$url&perpage=$perpage");
echo "<table class=\"logtable\" cellpadding=\"3\" cellspacing=\"0\">\n";
echo "<tr>";
if ($course->id == SITEID) {
echo "<th class=\"c0 header\">".get_string('course')."</th>\n";
}
echo "<th class=\"c1 header\">".get_string('time')."</th>\n";
echo "<th class=\"c2 header\">".get_string('ip_address')."</th>\n";
echo "<th class=\"c3 header\">".get_string('fullnameuser')."</th>\n";
echo "<th class=\"c4 header\">".get_string('action')."</th>\n";
echo "<th class=\"c5 header\">".get_string('info')."</th>\n";
echo "</tr>\n";
if (empty($logs['logs'])) {
echo "</table>\n";
return;
}
$row = 1;
foreach ($logs['logs'] as $log) {
$log->info = $log->coursename;
$row = ($row + 1) % 2;
if (isset($ldcache[$log->module][$log->action])) {
$ld = $ldcache[$log->module][$log->action];
} else {
$ld = $DB->get_record('log_display', array('module'=>$log->module, 'action'=>$log->action));
$ldcache[$log->module][$log->action] = $ld;
}
if (0 && $ld && !empty($log->info)) {
// ugly hack to make sure fullname is shown correctly
if (($ld->mtable == 'user') and ($ld->field == $DB->sql_concat('firstname', "' '" , 'lastname'))) {
$log->info = fullname($DB->get_record($ld->mtable, array('id'=>$log->info)), true);
} else {
$log->info = $DB->get_field($ld->mtable, $ld->field, array('id'=>$log->info));
}
}
//Filter log->info
$log->info = format_string($log->info);
echo '<tr class="r'.$row.'">';
if ($course->id == SITEID) {
$courseshortname = format_string($courses[$log->course], true, array('context' => context_course::instance(SITEID)));
echo "<td class=\"r$row c0\" >\n";
echo " <a href=\"{$CFG->wwwroot}/course/view.php?id={$log->course}\">".$courseshortname."</a>\n";
echo "</td>\n";
}
echo "<td class=\"r$row c1\" align=\"right\">".userdate($log->time, '%a').
' '.userdate($log->time, $strftimedatetime)."</td>\n";
echo "<td class=\"r$row c2\" >\n";
$link = new moodle_url("/iplookup/index.php?ip=$log->ip&user=$log->userid");
echo $OUTPUT->action_link($link, $log->ip, new popup_action('click', $link, 'iplookup', array('height' => 400, 'width' => 700)));
echo "</td>\n";
$fullname = fullname($log, has_capability('moodle/site:viewfullnames', context_course::instance($course->id)));
echo "<td class=\"r$row c3\" >\n";
echo " <a href=\"$CFG->wwwroot/user/view.php?id={$log->userid}\">$fullname</a>\n";
echo "</td>\n";
echo "<td class=\"r$row c4\">\n";
echo $log->action .': '.$log->module;
echo "</td>\n";
echo "<td class=\"r$row c5\">{$log->info}</td>\n";
echo "</tr>\n";
}
echo "</table>\n";
echo $OUTPUT->paging_bar($totalcount, $page, $perpage, "$url&perpage=$perpage");
}
function print_log_csv($course, $user, $date, $order='l.time DESC', $modname,
$modid, $modaction, $groupid) {
global $DB, $CFG;
require_once($CFG->libdir . '/csvlib.class.php');
$csvexporter = new csv_export_writer('tab');
$header = array();
$header[] = get_string('course');
$header[] = get_string('time');
$header[] = get_string('ip_address');
$header[] = get_string('fullnameuser');
$header[] = get_string('action');
$header[] = get_string('info');
if (!$logs = build_logs_array($course, $user, $date, $order, '', '',
$modname, $modid, $modaction, $groupid)) {
return false;
}
$courses = array();
if ($course->id == SITEID) {
$courses[0] = '';
if ($ccc = get_courses('all', 'c.id ASC', 'c.id,c.shortname')) {
foreach ($ccc as $cc) {
$courses[$cc->id] = $cc->shortname;
}
}
} else {
$courses[$course->id] = $course->shortname;
}
$count=0;
$ldcache = array();
$tt = getdate(time());
$today = mktime (0, 0, 0, $tt["mon"], $tt["mday"], $tt["year"]);
$strftimedatetime = get_string("strftimedatetime");
$csvexporter->set_filename('logs', '.txt');
$title = array(get_string('savedat').userdate(time(), $strftimedatetime));
$csvexporter->add_data($title);
$csvexporter->add_data($header);
if (empty($logs['logs'])) {
return true;
}
foreach ($logs['logs'] as $log) {
if (isset($ldcache[$log->module][$log->action])) {
$ld = $ldcache[$log->module][$log->action];
} else {
$ld = $DB->get_record('log_display', array('module'=>$log->module, 'action'=>$log->action));
$ldcache[$log->module][$log->action] = $ld;
}
if ($ld && is_numeric($log->info)) {
// ugly hack to make sure fullname is shown correctly
if (($ld->mtable == 'user') and ($ld->field == $DB->sql_concat('firstname', "' '" , 'lastname'))) {
$log->info = fullname($DB->get_record($ld->mtable, array('id'=>$log->info)), true);
} else {
$log->info = $DB->get_field($ld->mtable, $ld->field, array('id'=>$log->info));
}
}
//Filter log->info
$log->info = format_string($log->info);
$log->info = strip_tags(urldecode($log->info)); // Some XSS protection
$coursecontext = context_course::instance($course->id);
$firstField = format_string($courses[$log->course], true, array('context' => $coursecontext));
$fullname = fullname($log, has_capability('moodle/site:viewfullnames', $coursecontext));
$actionurl = $CFG->wwwroot. make_log_url($log->module,$log->url);
$row = array($firstField, userdate($log->time, $strftimedatetime), $log->ip, $fullname, $log->module.' '.$log->action.' ('.$actionurl.')', $log->info);
$csvexporter->add_data($row);
}
$csvexporter->download_file();
return true;
}
function print_log_xls($course, $user, $date, $order='l.time DESC', $modname,
$modid, $modaction, $groupid) {
global $CFG, $DB;
require_once("$CFG->libdir/excellib.class.php");
if (!$logs = build_logs_array($course, $user, $date, $order, '', '',
$modname, $modid, $modaction, $groupid)) {
return false;
}
$courses = array();
if ($course->id == SITEID) {
$courses[0] = '';
if ($ccc = get_courses('all', 'c.id ASC', 'c.id,c.shortname')) {
foreach ($ccc as $cc) {
$courses[$cc->id] = $cc->shortname;
}
}
} else {
$courses[$course->id] = $course->shortname;
}
$count=0;
$ldcache = array();
$tt = getdate(time());
$today = mktime (0, 0, 0, $tt["mon"], $tt["mday"], $tt["year"]);
$strftimedatetime = get_string("strftimedatetime");
$nroPages = ceil(count($logs)/(EXCELROWS-FIRSTUSEDEXCELROW+1));
$filename = 'logs_'.userdate(time(),get_string('backupnameformat', 'langconfig'),99,false);
$filename .= '.xls';
$workbook = new MoodleExcelWorkbook('-');
$workbook->send($filename);
$worksheet = array();
$headers = array(get_string('course'), get_string('time'), get_string('ip_address'),
get_string('fullnameuser'), get_string('action'), get_string('info'));
// Creating worksheets
for ($wsnumber = 1; $wsnumber <= $nroPages; $wsnumber++) {
$sheettitle = get_string('logs').' '.$wsnumber.'-'.$nroPages;
$worksheet[$wsnumber] = $workbook->add_worksheet($sheettitle);
$worksheet[$wsnumber]->set_column(1, 1, 30);
$worksheet[$wsnumber]->write_string(0, 0, get_string('savedat').
userdate(time(), $strftimedatetime));
$col = 0;
foreach ($headers as $item) {
$worksheet[$wsnumber]->write(FIRSTUSEDEXCELROW-1,$col,$item,'');
$col++;
}
}
if (empty($logs['logs'])) {
$workbook->close();
return true;
}
$formatDate =& $workbook->add_format();
$formatDate->set_num_format(get_string('log_excel_date_format'));
$row = FIRSTUSEDEXCELROW;
$wsnumber = 1;
$myxls =& $worksheet[$wsnumber];
foreach ($logs['logs'] as $log) {
if (isset($ldcache[$log->module][$log->action])) {
$ld = $ldcache[$log->module][$log->action];
} else {
$ld = $DB->get_record('log_display', array('module'=>$log->module, 'action'=>$log->action));
$ldcache[$log->module][$log->action] = $ld;
}
if ($ld && is_numeric($log->info)) {
// ugly hack to make sure fullname is shown correctly
if (($ld->mtable == 'user') and ($ld->field == $DB->sql_concat('firstname', "' '" , 'lastname'))) {
$log->info = fullname($DB->get_record($ld->mtable, array('id'=>$log->info)), true);
} else {
$log->info = $DB->get_field($ld->mtable, $ld->field, array('id'=>$log->info));
}
}
// Filter log->info
$log->info = format_string($log->info);
$log->info = strip_tags(urldecode($log->info)); // Some XSS protection
if ($nroPages>1) {
if ($row > EXCELROWS) {
$wsnumber++;
$myxls =& $worksheet[$wsnumber];
$row = FIRSTUSEDEXCELROW;
}
}
$coursecontext = context_course::instance($course->id);
$myxls->write($row, 0, format_string($courses[$log->course], true, array('context' => $coursecontext)), '');
$myxls->write_date($row, 1, $log->time, $formatDate); // write_date() does conversion/timezone support. MDL-14934
$myxls->write($row, 2, $log->ip, '');
$fullname = fullname($log, has_capability('moodle/site:viewfullnames', $coursecontext));
$myxls->write($row, 3, $fullname, '');
$actionurl = $CFG->wwwroot. make_log_url($log->module,$log->url);
$myxls->write($row, 4, $log->module.' '.$log->action.' ('.$actionurl.')', '');
$myxls->write($row, 5, $log->info, '');
$row++;
}
$workbook->close();
return true;
}
function print_log_ods($course, $user, $date, $order='l.time DESC', $modname,
$modid, $modaction, $groupid) {
global $CFG, $DB;
require_once("$CFG->libdir/odslib.class.php");
if (!$logs = build_logs_array($course, $user, $date, $order, '', '',
$modname, $modid, $modaction, $groupid)) {
return false;
}
$courses = array();
if ($course->id == SITEID) {
$courses[0] = '';
if ($ccc = get_courses('all', 'c.id ASC', 'c.id,c.shortname')) {
foreach ($ccc as $cc) {
$courses[$cc->id] = $cc->shortname;
}
}
} else {
$courses[$course->id] = $course->shortname;
}
$count=0;
$ldcache = array();
$tt = getdate(time());
$today = mktime (0, 0, 0, $tt["mon"], $tt["mday"], $tt["year"]);
$strftimedatetime = get_string("strftimedatetime");
$nroPages = ceil(count($logs)/(EXCELROWS-FIRSTUSEDEXCELROW+1));
$filename = 'logs_'.userdate(time(),get_string('backupnameformat', 'langconfig'),99,false);
$filename .= '.ods';
$workbook = new MoodleODSWorkbook('-');
$workbook->send($filename);
$worksheet = array();
$headers = array(get_string('course'), get_string('time'), get_string('ip_address'),
get_string('fullnameuser'), get_string('action'), get_string('info'));
// Creating worksheets
for ($wsnumber = 1; $wsnumber <= $nroPages; $wsnumber++) {
$sheettitle = get_string('logs').' '.$wsnumber.'-'.$nroPages;
$worksheet[$wsnumber] = $workbook->add_worksheet($sheettitle);
$worksheet[$wsnumber]->set_column(1, 1, 30);
$worksheet[$wsnumber]->write_string(0, 0, get_string('savedat').
userdate(time(), $strftimedatetime));
$col = 0;
foreach ($headers as $item) {
$worksheet[$wsnumber]->write(FIRSTUSEDEXCELROW-1,$col,$item,'');
$col++;
}
}
if (empty($logs['logs'])) {
$workbook->close();
return true;
}
$formatDate =& $workbook->add_format();
$formatDate->set_num_format(get_string('log_excel_date_format'));
$row = FIRSTUSEDEXCELROW;
$wsnumber = 1;
$myxls =& $worksheet[$wsnumber];
foreach ($logs['logs'] as $log) {
if (isset($ldcache[$log->module][$log->action])) {
$ld = $ldcache[$log->module][$log->action];
} else {
$ld = $DB->get_record('log_display', array('module'=>$log->module, 'action'=>$log->action));
$ldcache[$log->module][$log->action] = $ld;
}
if ($ld && is_numeric($log->info)) {
// ugly hack to make sure fullname is shown correctly
if (($ld->mtable == 'user') and ($ld->field == $DB->sql_concat('firstname', "' '" , 'lastname'))) {
$log->info = fullname($DB->get_record($ld->mtable, array('id'=>$log->info)), true);
} else {
$log->info = $DB->get_field($ld->mtable, $ld->field, array('id'=>$log->info));
}
}
// Filter log->info
$log->info = format_string($log->info);
$log->info = strip_tags(urldecode($log->info)); // Some XSS protection
if ($nroPages>1) {
if ($row > EXCELROWS) {
$wsnumber++;
$myxls =& $worksheet[$wsnumber];
$row = FIRSTUSEDEXCELROW;
}
}
$coursecontext = context_course::instance($course->id);
$myxls->write_string($row, 0, format_string($courses[$log->course], true, array('context' => $coursecontext)));
$myxls->write_date($row, 1, $log->time);
$myxls->write_string($row, 2, $log->ip);
$fullname = fullname($log, has_capability('moodle/site:viewfullnames', $coursecontext));
$myxls->write_string($row, 3, $fullname);
$actionurl = $CFG->wwwroot. make_log_url($log->module,$log->url);
$myxls->write_string($row, 4, $log->module.' '.$log->action.' ('.$actionurl.')');
$myxls->write_string($row, 5, $log->info);
$row++;
}
$workbook->close();
return true;
}
/**
* For a given course, returns an array of course activity objects
* Each item in the array contains he following properties:
*/
function get_array_of_activities($courseid) {
// cm - course module id
// mod - name of the module (eg forum)
// section - the number of the section (eg week or topic)
// name - the name of the instance
// visible - is the instance visible or not
// groupingid - grouping id
// groupmembersonly - is this instance visible to group members only
// extra - contains extra string to include in any link
global $CFG, $DB;
if(!empty($CFG->enableavailability)) {
require_once($CFG->libdir.'/conditionlib.php');
}
$course = $DB->get_record('course', array('id'=>$courseid));
if (empty($course)) {
throw new moodle_exception('courseidnotfound');
}
$mod = array();
$rawmods = get_course_mods($courseid);
if (empty($rawmods)) {
return $mod; // always return array
}
if ($sections = $DB->get_records("course_sections", array("course"=>$courseid), "section ASC")) {
foreach ($sections as $section) {
if (!empty($section->sequence)) {
$sequence = explode(",", $section->sequence);
foreach ($sequence as $seq) {
if (empty($rawmods[$seq])) {
continue;
}
$mod[$seq] = new stdClass();
$mod[$seq]->id = $rawmods[$seq]->instance;
$mod[$seq]->cm = $rawmods[$seq]->id;
$mod[$seq]->mod = $rawmods[$seq]->modname;
// Oh dear. Inconsistent names left here for backward compatibility.
$mod[$seq]->section = $section->section;
$mod[$seq]->sectionid = $rawmods[$seq]->section;
$mod[$seq]->module = $rawmods[$seq]->module;
$mod[$seq]->added = $rawmods[$seq]->added;
$mod[$seq]->score = $rawmods[$seq]->score;
$mod[$seq]->idnumber = $rawmods[$seq]->idnumber;
$mod[$seq]->visible = $rawmods[$seq]->visible;
$mod[$seq]->visibleold = $rawmods[$seq]->visibleold;
$mod[$seq]->groupmode = $rawmods[$seq]->groupmode;
$mod[$seq]->groupingid = $rawmods[$seq]->groupingid;
$mod[$seq]->groupmembersonly = $rawmods[$seq]->groupmembersonly;
$mod[$seq]->indent = $rawmods[$seq]->indent;
$mod[$seq]->completion = $rawmods[$seq]->completion;
$mod[$seq]->extra = "";
$mod[$seq]->completiongradeitemnumber =
$rawmods[$seq]->completiongradeitemnumber;
$mod[$seq]->completionview = $rawmods[$seq]->completionview;
$mod[$seq]->completionexpected = $rawmods[$seq]->completionexpected;
$mod[$seq]->availablefrom = $rawmods[$seq]->availablefrom;
$mod[$seq]->availableuntil = $rawmods[$seq]->availableuntil;
$mod[$seq]->showavailability = $rawmods[$seq]->showavailability;
$mod[$seq]->showdescription = $rawmods[$seq]->showdescription;
if (!empty($CFG->enableavailability)) {
condition_info::fill_availability_conditions($rawmods[$seq]);
$mod[$seq]->conditionscompletion = $rawmods[$seq]->conditionscompletion;
$mod[$seq]->conditionsgrade = $rawmods[$seq]->conditionsgrade;
$mod[$seq]->conditionsfield = $rawmods[$seq]->conditionsfield;
}
$modname = $mod[$seq]->mod;
$functionname = $modname."_get_coursemodule_info";
if (!file_exists("$CFG->dirroot/mod/$modname/lib.php")) {
continue;
}
include_once("$CFG->dirroot/mod/$modname/lib.php");
if ($hasfunction = function_exists($functionname)) {
if ($info = $functionname($rawmods[$seq])) {
if (!empty($info->icon)) {
$mod[$seq]->icon = $info->icon;
}
if (!empty($info->iconcomponent)) {
$mod[$seq]->iconcomponent = $info->iconcomponent;
}
if (!empty($info->name)) {
$mod[$seq]->name = $info->name;
}
if ($info instanceof cached_cm_info) {
// When using cached_cm_info you can include three new fields
// that aren't available for legacy code
if (!empty($info->content)) {
$mod[$seq]->content = $info->content;
}
if (!empty($info->extraclasses)) {
$mod[$seq]->extraclasses = $info->extraclasses;
}
if (!empty($info->iconurl)) {
$mod[$seq]->iconurl = $info->iconurl;
}
if (!empty($info->onclick)) {
$mod[$seq]->onclick = $info->onclick;
}
if (!empty($info->customdata)) {
$mod[$seq]->customdata = $info->customdata;
}
} else {
// When using a stdclass, the (horrible) deprecated ->extra field
// is available for BC
if (!empty($info->extra)) {
$mod[$seq]->extra = $info->extra;
}
}
}
}
// When there is no modname_get_coursemodule_info function,
// but showdescriptions is enabled, then we use the 'intro'
// and 'introformat' fields in the module table
if (!$hasfunction && $rawmods[$seq]->showdescription) {
if ($modvalues = $DB->get_record($rawmods[$seq]->modname,
array('id' => $rawmods[$seq]->instance), 'name, intro, introformat')) {
// Set content from intro and introformat. Filters are disabled
// because we filter it with format_text at display time
$mod[$seq]->content = format_module_intro($rawmods[$seq]->modname,
$modvalues, $rawmods[$seq]->id, false);
// To save making another query just below, put name in here
$mod[$seq]->name = $modvalues->name;
}
}
if (!isset($mod[$seq]->name)) {
$mod[$seq]->name = $DB->get_field($rawmods[$seq]->modname, "name", array("id"=>$rawmods[$seq]->instance));
}
// Minimise the database size by unsetting default options when they are
// 'empty'. This list corresponds to code in the cm_info constructor.
foreach (array('idnumber', 'groupmode', 'groupingid', 'groupmembersonly',
'indent', 'completion', 'extra', 'extraclasses', 'iconurl', 'onclick', 'content',
'icon', 'iconcomponent', 'customdata', 'showavailability', 'availablefrom',
'availableuntil', 'conditionscompletion', 'conditionsgrade',