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lib.php
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lib.php
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<?php // $Id$
// Library of useful functions
if (defined('COURSE_MAX_LOG_DISPLAY')) { // Being included again - should never happen!!
return;
}
define('COURSE_MAX_LOG_DISPLAY', 150); // days
define('COURSE_MAX_LOGS_PER_PAGE', 1000); // records
define('COURSE_LIVELOG_REFRESH', 60); // Seconds
define('COURSE_MAX_RECENT_PERIOD', 172800); // Two days, in seconds
define('COURSE_MAX_SUMMARIES_PER_PAGE', 10); // courses
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);
define('FRONTPAGECATEGORYNAMES', 2);
define('FRONTPAGETOPICONLY', 3);
define('FRONTPAGECATEGORYCOMBO', 4);
define('FRONTPAGECOURSELIMIT', 200); // maximum number of courses displayed on the frontpage
define('EXCELROWS', 65535);
define('FIRSTUSEDEXCELROW', 3);
define('MOD_CLASS_ACTIVITY', 0);
define('MOD_CLASS_RESOURCE', 1);
function print_recent_selector_form($course, $advancedfilter=0, $selecteduser=0, $selecteddate="lastlogin",
$mod="", $modid="activity/All", $modaction="", $selectedgroup="", $selectedsort="default") {
global $USER, $CFG;
if ($advancedfilter) {
// Get all the possible users
$users = array();
if ($courseusers = get_course_users($course->id, '', '', 'u.id, u.firstname, u.lastname')) {
foreach ($courseusers as $courseuser) {
$users[$courseuser->id] = fullname($courseuser, has_capability('moodle/site:viewfullnames', get_context_instance(CONTEXT_COURSE, $course->id)));
}
}
if ($guest = get_guest()) {
$users[$guest->id] = fullname($guest);
}
if (has_capability('moodle/course:update', get_context_instance(CONTEXT_SYSTEM, SITEID))) {
if ($ccc = get_records("course", "", "", "fullname")) {
foreach ($ccc as $cc) {
if ($cc->category) {
$courses["$cc->id"] = "$cc->fullname";
} else {
$courses["$cc->id"] = " $cc->fullname (Site)";
}
}
}
asort($courses);
}
$activities = array();
$selectedactivity = $modid;
/// Casting $course->modinfo to string prevents one notice when the field is null
if ($modinfo = unserialize((string)$course->modinfo)) {
$section = 0;
if ($course->format == 'weeks') { // Body
$strsection = get_string("week");
} else {
$strsection = get_string("topic");
}
$activities["activity/All"] = "All activities";
$activities["activity/Assignments"] = "All assignments";
$activities["activity/Chats"] = "All chats";
$activities["activity/Forums"] = "All forums";
$activities["activity/Quizzes"] = "All quizzes";
$activities["activity/Workshops"] = "All workshops";
$activities["section/individual"] = "------------- Individual Activities --------------";
foreach ($modinfo as $mod) {
if ($mod->mod == "label") {
continue;
}
if (!$mod->visible and !has_capability('moodle/course:viewhiddenactivities',get_context_instance(CONTEXT_MODULE, $mod->cm))) {
continue;
}
if ($mod->section > 0 and $section <> $mod->section) {
$activities["section/$mod->section"] = "-------------- $strsection $mod->section --------------";
}
$section = $mod->section;
$mod->name = strip_tags(format_string(urldecode($mod->name),true));
if (strlen($mod->name) > 55) {
$mod->name = substr($mod->name, 0, 50)."...";
}
if (!$mod->visible) {
$mod->name = "(".$mod->name.")";
}
$activities["$mod->cm"] = $mod->name;
if ($mod->cm == $modid) {
$selectedactivity = "$mod->cm";
}
}
}
$strftimedate = get_string("strftimedate");
$strftimedaydate = get_string("strftimedaydate");
asort($users);
// Get all the possible dates
// Note that we are keeping track of real (GMT) time and user time
// User time is only used in displays - all calcs and passing is GMT
$timenow = time(); // GMT
// What day is it now for the user, and when is midnight that day (in GMT).
$timemidnight = $today = usergetmidnight($timenow);
$dates = array();
$dates["$USER->lastlogin"] = get_string("lastlogin").", ".userdate($USER->lastlogin, $strftimedate);
$dates["$timemidnight"] = get_string("today").", ".userdate($timenow, $strftimedate);
if (!$course->startdate or ($course->startdate > $timenow)) {
$course->startdate = $course->timecreated;
}
$numdates = 1;
while ($timemidnight > $course->startdate and $numdates < 365) {
$timemidnight = $timemidnight - 86400;
$timenow = $timenow - 86400;
$dates["$timemidnight"] = userdate($timenow, $strftimedaydate);
$numdates++;
}
if ($selecteddate === "lastlogin") {
$selecteddate = $USER->lastlogin;
}
echo '<form action="recent.php" method="get">';
echo '<input type="hidden" name="chooserecent" value="1" />';
echo "<center>";
echo "<table>";
if (has_capability('moodle/course:update', get_context_instance(CONTEXT_SYSTEM, SITEID))) {
echo "<tr><td><b>" . get_string("courses") . "</b></td><td>";
choose_from_menu ($courses, "id", $course->id, "");
echo "</td></tr>";
} else {
echo '<input type="hidden" name="id" value="'.$course->id.'" />';
}
$sortfields = array("default" => get_string("bycourseorder"),"dateasc" => get_string("datemostrecentlast"), "datedesc" => get_string("datemostrecentfirst"));
echo "<tr><td><b>" . get_string("participants") . "</b></td><td>";
choose_from_menu ($users, "user", $selecteduser, get_string("allparticipants") );
echo "</td>";
echo '<td align="right"><b>' . get_string("since") . '</b></td><td>';
choose_from_menu ($dates, "date", $selecteddate, get_string("alldays"));
echo "</td></tr>";
echo "<tr><td><b>" . get_string("activities") . "</b></td><td>";
choose_from_menu ($activities, "modid", $selectedactivity, "");
echo "</td>";
echo '<td align="right"><b>' . get_string("sortby") . "</b></td><td>";
choose_from_menu ($sortfields, "sortby", $selectedsort, "");
echo "</td></tr>";
echo '<tr>';
$groupmode = groupmode($course);
if ($groupmode == VISIBLEGROUPS or ($groupmode and has_capability('moodle/course:managegroups', get_context_instance(CONTEXT_COURSE, $course->id)))) {
if ($groups_names = groups_get_groups_names($course->id)) { //TODO:check.
echo '<td><b>';
if ($groupmode == VISIBLEGROUPS) {
print_string('groupsvisible');
} else {
print_string('groupsseparate');
}
echo ':</b></td><td>';
choose_from_menu($groups_names, "selectedgroup", $selectedgroup, get_string("allgroups"), "", "");
echo '</td>';
}
}
echo '<td colspan="2" align="right">';
echo '<input type="submit" value="'.get_string('showrecent').'" />';
echo "</td></tr>";
echo "</table>";
$advancedlink = "<a href=\"$CFG->wwwroot/course/recent.php?id=$course->id&advancedfilter=0\">" . get_string("normalfilter") . "</a>";
print_heading($advancedlink);
echo "</center>";
echo "</form>";
} else {
$day_list = array("1","7","14","21","30");
$strsince = get_string("since");
$strlastlogin = get_string("lastlogin");
$strday = get_string("day");
$strdays = get_string("days");
$heading = "";
foreach ($day_list as $count) {
if ($count == "1") {
$day = $strday;
} else {
$day = $strdays;
}
$tmpdate = time() - ($count * 3600 * 24);
$heading = $heading .
"<a href=\"$CFG->wwwroot/course/recent.php?id=$course->id&date=$tmpdate\"> $count $day</a> | ";
}
$heading = $strsince . ": <a href=\"$CFG->wwwroot/course/recent.php?id=$course->id\">$strlastlogin</a>" . " | " . $heading;
print_heading($heading);
$advancedlink = "<a href=\"$CFG->wwwroot/course/recent.php?id=$course->id&advancedfilter=1\">" . get_string("advancedfilter") . "</a>";
print_heading($advancedlink);
}
}
function make_log_url($module, $url) {
switch ($module) {
case 'user':
case 'course':
case 'file':
case 'login':
case 'lib':
case 'admin':
case 'message':
case 'calendar':
case 'mnet course':
return "/course/$url";
break;
case 'blog':
return "/$module/$url";
break;
case 'upload':
return $url;
break;
case 'library':
case '':
return '/';
break;
default:
return "/mod/$module/$url";
break;
}
}
function build_mnet_logs_array($hostid, $course, $user=0, $date=0, $order="l.time ASC", $limitfrom='', $limitnum='',
$modname="", $modid=0, $modaction="", $groupid=0) {
global $CFG;
// 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', get_context_instance(CONTEXT_COURSE, $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();
$qry = "
SELECT
l.*,
u.firstname,
u.lastname,
u.picture
FROM
{$CFG->prefix}mnet_log l
LEFT JOIN
{$CFG->prefix}user u
ON
l.userid = u.id
WHERE
";
$where .= "l.hostid = '$hostid'";
// TODO: Is 1 really a magic number referring to the sitename?
if ($course != 1 || $modid != 0) {
$where .= " AND\n l.course='$course'";
}
if ($modname) {
$where .= " AND\n l.module = '$modname'";
}
if ('site_errors' === $modid) {
$where .= " AND\n ( l.action='error' OR l.action='infected' )";
} else if ($modid) {
//TODO: This assumes that modids are the same across sites... probably
//not true
$where .= " AND\n l.cmid = '$modid'";
}
if ($modaction) {
$firstletter = substr($modaction, 0, 1);
if (ctype_alpha($firstletter)) {
$where .= " AND\n lower(l.action) LIKE '%" . strtolower($modaction) . "%'";
} else if ($firstletter == '-') {
$where .= " AND\n lower(l.action) NOT LIKE '%" . strtolower(substr($modaction, 1)) . "%'";
}
}
if ($user) {
$where .= " AND\n l.userid = '$user'";
}
if ($date) {
$enddate = $date + 86400;
$where .= " AND\n l.time > '$date' AND l.time < '$enddate'";
}
$result = array();
$result['totalcount'] = count_records_sql("SELECT COUNT(*) FROM {$CFG->prefix}mnet_log l WHERE $where");
if(!empty($result['totalcount'])) {
$where .= "\n ORDER BY\n $order";
$result['logs'] = get_records_sql($qry.$where, $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) {
// 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', get_context_instance(CONTEXT_COURSE, $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;
}
$joins = array();
if ($course->id != SITEID || $modid != 0) {
$joins[] = "l.course='$course->id'";
}
if ($modname) {
$joins[] = "l.module = '$modname'";
}
if ('site_errors' === $modid) {
$joins[] = "( l.action='error' OR l.action='infected' )";
} else if ($modid) {
$joins[] = "l.cmid = '$modid'";
}
if ($modaction) {
$firstletter = substr($modaction, 0, 1);
if (ctype_alpha($firstletter)) {
$joins[] = "lower(l.action) LIKE '%" . strtolower($modaction) . "%'";
} else if ($firstletter == '-') {
$joins[] = "lower(l.action) NOT LIKE '%" . strtolower(substr($modaction, 1)) . "%'";
}
}
/// Getting all members of a group.
if ($groupid and !$user) {
$gusers = groups_get_members($groupid);
if (!empty($gusers)) {
$joins[] = 'l.userid IN (' . implode(',', $gusers) . ')';
} else {
$joins[] = 'l.userid = 0'; // No users in groups, so we want something that will always by false.
}
}
else if ($user) {
$joins[] = "l.userid = '$user'";
}
if ($date) {
$enddate = $date + 86400;
$joins[] = "l.time > '$date' AND l.time < '$enddate'";
}
$selector = implode(' AND ', $joins);
$totalcount = 0; // Initialise
$result = array();
$result['logs'] = get_logs($selector, $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 $CFG;
if (!$logs = build_logs_array($course, $user, $date, $order, $page*$perpage, $perpage,
$modname, $modid, $modaction, $groupid)) {
notify("No logs found!");
print_footer($course);
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", "", $totalcount);
echo "</div>\n";
print_paging_bar($totalcount, $page, $perpage, "$url&perpage=$perpage&");
echo '<table class="logtable genearlbox boxaligncenter" summary="">'."\n";
// echo "<table class=\"logtable\" cellpadding=\"3\" cellspacing=\"0\" summary=\"\">\n";
echo "<tr>";
if ($course->id == SITEID) {
echo "<th class=\"c0 header\" scope=\"col\">".get_string('course')."</th>\n";
}
echo "<th class=\"c1 header\" scope=\"col\">".get_string('time')."</th>\n";
echo "<th class=\"c2 header\" scope=\"col\">".get_string('ip_address')."</th>\n";
echo "<th class=\"c3 header\" scope=\"col\">".get_string('fullname')."</th>\n";
echo "<th class=\"c4 header\" scope=\"col\">".get_string('action')."</th>\n";
echo "<th class=\"c5 header\" scope=\"col\">".get_string('info')."</th>\n";
echo "</tr>\n";
// 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();
}
$row = 1;
foreach ($logs['logs'] as $log) {
$row = ($row + 1) % 2;
if (isset($ldcache[$log->module][$log->action])) {
$ld = $ldcache[$log->module][$log->action];
} else {
$ld = get_record('log_display', '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 == sql_concat('firstname', "' '" , 'lastname'))) {
$log->info = fullname(get_record($ld->mtable, 'id', $log->info), true);
} else {
$log->info = get_field($ld->mtable, $ld->field, 'id', $log->info);
}
}
//Filter log->info
$log->info = format_string($log->info);
$log->url = strip_tags(urldecode($log->url)); // Some XSS protection
$log->info = strip_tags(urldecode($log->info)); // Some XSS protection
$log->url = str_replace('&', '&', $log->url); /// XHTML compatibility
echo '<tr class="r'.$row.'">';
if ($course->id == SITEID) {
echo "<td class=\"cell c0\">\n";
if (empty($log->course)) {
echo format_string($log->info)."\n";
} else {
echo " <a href=\"{$CFG->wwwroot}/course/view.php?id={$log->course}\">". format_string($courses[$log->course])."</a>\n";
}
echo "</td>\n";
}
echo "<td class=\"cell c1\" align=\"right\">".userdate($log->time, '%a').
' '.userdate($log->time, $strftimedatetime)."</td>\n";
echo "<td class=\"cell c2\">\n";
link_to_popup_window("/iplookup/index.php?ip=$log->ip&user=$log->userid", 'iplookup',$log->ip, 400, 700);
echo "</td>\n";
$fullname = fullname($log, has_capability('moodle/site:viewfullnames', get_context_instance(CONTEXT_COURSE, $course->id)));
echo "<td class=\"cell c3\">\n";
echo " <a href=\"$CFG->wwwroot/user/view.php?id={$log->userid}&course={$log->course}\">$fullname</a>\n";
echo "</td>\n";
echo "<td class=\"cell c4\">\n";
link_to_popup_window( make_log_url($log->module,$log->url), 'fromloglive',"$log->module $log->action", 400, 600);
echo "</td>\n";;
echo "<td class=\"cell c5\">{$log->info}</td>\n";
echo "</tr>\n";
}
echo "</table>\n";
print_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 $CFG;
if (!$logs = build_mnet_logs_array($hostid, $course, $user, $date, $order, $page*$perpage, $perpage,
$modname, $modid, $modaction, $groupid)) {
notify("No logs found!");
print_footer($course);
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", "", $totalcount);
echo "</div>\n";
print_paging_bar($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('fullname')."</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 = get_record('log_display', '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 == sql_concat('firstname', "' '" , 'lastname'))) {
$log->info = fullname(get_record($ld->mtable, 'id', $log->info), true);
} else {
$log->info = get_field($ld->mtable, $ld->field, 'id', $log->info);
}
}
//Filter log->info
$log->info = format_string($log->info);
$log->url = strip_tags(urldecode($log->url)); // Some XSS protection
$log->info = strip_tags(urldecode($log->info)); // Some XSS protection
$log->url = str_replace('&', '&', $log->url); /// XHTML compatibility
echo '<tr class="r'.$row.'">';
if ($course->id == SITEID) {
echo "<td class=\"r$row c0\" >\n";
echo " <a href=\"{$CFG->wwwroot}/course/view.php?id={$log->course}\">".$courses[$log->course]."</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_to_popup_window("/iplookup/index.php?ip=$log->ip&user=$log->userid", 'iplookup',$log->ip, 400, 700);
echo "</td>\n";
$fullname = fullname($log, has_capability('moodle/site:viewfullnames', get_context_instance(CONTEXT_COURSE, $course->id)));
echo "<td class=\"r$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";
print_paging_bar($totalcount, $page, $perpage, "$url&perpage=$perpage&");
}
function print_log_csv($course, $user, $date, $order='l.time DESC', $modname,
$modid, $modaction, $groupid) {
$text = get_string('course')."\t".get_string('time')."\t".get_string('ip_address')."\t".
get_string('fullname')."\t".get_string('action')."\t".get_string('info');
if (!$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");
$filename = 'logs_'.userdate(time(),get_string('backupnameformat'),99,false);
$filename .= '.txt';
header("Content-Type: application/download\n");
header("Content-Disposition: attachment; filename=$filename");
header("Expires: 0");
header("Cache-Control: must-revalidate,post-check=0,pre-check=0");
header("Pragma: public");
echo get_string('savedat').userdate(time(), $strftimedatetime)."\n";
echo $text;
if (empty($logs['logs'])) {
return true;
}
foreach ($logs['logs'] as $log) {
if (isset($ldcache[$log->module][$log->action])) {
$ld = $ldcache[$log->module][$log->action];
} else {
$ld = get_record('log_display', 'module', $log->module, 'action', $log->action);
$ldcache[$log->module][$log->action] = $ld;
}
if ($ld && !empty($log->info)) {
// ugly hack to make sure fullname is shown correctly
if (($ld->mtable == 'user') and ($ld->field == sql_concat('firstname', "' '" , 'lastname'))) {
$log->info = fullname(get_record($ld->mtable, 'id', $log->info), true);
} else {
$log->info = get_field($ld->mtable, $ld->field, 'id', $log->info);
}
}
//Filter log->info
$log->info = format_string($log->info);
$log->url = strip_tags(urldecode($log->url)); // Some XSS protection
$log->info = strip_tags(urldecode($log->info)); // Some XSS protection
$log->url = str_replace('&', '&', $log->url); // XHTML compatibility
$firstField = $courses[$log->course];
$fullname = fullname($log, has_capability('moodle/site:viewfullnames', get_context_instance(CONTEXT_COURSE, $course->id)));
$row = array($firstField, userdate($log->time, $strftimedatetime), $log->ip, $fullname, $log->module.' '.$log->action, $log->info);
$text = implode("\t", $row);
echo $text." \n";
}
return true;
}
function print_log_xls($course, $user, $date, $order='l.time DESC', $modname,
$modid, $modaction, $groupid) {
global $CFG;
require_once("$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'),99,false);
$filename .= '.xls';
$workbook = new MoodleExcelWorkbook('-');
$workbook->send($filename);
$worksheet = array();
$headers = array(get_string('course'), get_string('time'), get_string('ip_address'),
get_string('fullname'), get_string('action'), get_string('info'));
// Creating worksheets
for ($wsnumber = 1; $wsnumber <= $nroPages; $wsnumber++) {
$sheettitle = get_string('excel_sheettitle', '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 = get_record('log_display', 'module', $log->module, 'action', $log->action);
$ldcache[$log->module][$log->action] = $ld;
}
if ($ld && !empty($log->info)) {
// ugly hack to make sure fullname is shown correctly
if (($ld->mtable == 'user') and ($ld->field == sql_concat('firstname', "' '" , 'lastname'))) {
$log->info = fullname(get_record($ld->mtable, 'id', $log->info), true);
} else {
$log->info = get_field($ld->mtable, $ld->field, '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;
}
}
$myxls->write($row, 0, $courses[$log->course], '');
// Excel counts from 1/1/1900
$excelTime=25569+$log->time/(3600*24);
$myxls->write($row, 1, $excelTime, $formatDate);
$myxls->write($row, 2, $log->ip, '');
$fullname = fullname($log, has_capability('moodle/site:viewfullnames', get_context_instance(CONTEXT_COURSE, $course->id)));
$myxls->write($row, 3, $fullname, '');
$myxls->write($row, 4, $log->module.' '.$log->action, '');
$myxls->write($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 $CFG;
require_once("$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'),99,false);
$filename .= '.ods';
$workbook = new MoodleODSWorkbook('-');
$workbook->send($filename);
$worksheet = array();
$headers = array(get_string('course'), get_string('time'), get_string('ip_address'),
get_string('fullname'), get_string('action'), get_string('info'));
// Creating worksheets
for ($wsnumber = 1; $wsnumber <= $nroPages; $wsnumber++) {
$sheettitle = get_string('excel_sheettitle', '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 = get_record('log_display', 'module', $log->module, 'action', $log->action);
$ldcache[$log->module][$log->action] = $ld;
}
if ($ld && !empty($log->info)) {
// ugly hack to make sure fullname is shown correctly
if (($ld->mtable == 'user') and ($ld->field == sql_concat('firstname', "' '" , 'lastname'))) {
$log->info = fullname(get_record($ld->mtable, 'id', $log->info), true);
} else {
$log->info = get_field($ld->mtable, $ld->field, '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;
}
}
$myxls->write_string($row, 0, $courses[$log->course]);
$myxls->write_date($row, 1, $log->time);
$myxls->write_string($row, 2, $log->ip);
$fullname = fullname($log, has_capability('moodle/site:viewfullnames', get_context_instance(CONTEXT_COURSE, $course->id)));
$myxls->write_string($row, 3, $fullname);
$myxls->write_string($row, 4, $log->module.' '.$log->action);
$myxls->write_string($row, 5, $log->info);
$row++;
}
$workbook->close();
return true;
}
function print_log_graph($course, $userid=0, $type="course.png", $date=0) {
global $CFG;
if (empty($CFG->gdversion)) {
echo "(".get_string("gdneed").")";
} else {
echo '<img src="'.$CFG->wwwroot.'/course/report/log/graph.php?id='.$course->id.
'&user='.$userid.'&type='.$type.'&date='.$date.'" alt="" />';
}
}
function print_overview($courses) {
global $CFG, $USER;
$htmlarray = array();
if ($modules = get_records('modules')) {
foreach ($modules as $mod) {
if (file_exists(dirname(dirname(__FILE__)).'/mod/'.$mod->name.'/lib.php')) {
require_once(dirname(dirname(__FILE__)).'/mod/'.$mod->name.'/lib.php');
$fname = $mod->name.'_print_overview';
if (function_exists($fname)) {
$fname($courses,$htmlarray);
}
}
}
}
foreach ($courses as $course) {
print_simple_box_start('center', '100%', '', 5, "coursebox");
$linkcss = '';
if (empty($course->visible)) {
$linkcss = 'class="dimmed"';
}
print_heading('<a title="'. format_string($course->fullname).'" '.$linkcss.' href="'.$CFG->wwwroot.'/course/view.php?id='.$course->id.'">'. format_string($course->fullname).'</a>');
if (array_key_exists($course->id,$htmlarray)) {
foreach ($htmlarray[$course->id] as $modname => $html) {
echo $html;
}
}
print_simple_box_end();
}
}
function print_recent_activity($course) {
// $course is an object
// This function trawls through the logs looking for
// anything new since the user's last login