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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);
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 = get_records_menu("groups", "courseid", $course->id, "name ASC", "id,name")) {
echo '<td><b>';
if ($groupmode == VISIBLEGROUPS) {
print_string('groupsvisible');
} else {
print_string('groupsseparate');
}
echo ':</b></td><td>';
choose_from_menu($groups, "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 'blog':
return "/$module/$url";
break;
case 'upload':
return $url;
break;
case 'library':
case '':
return '/';
break;
default:
return "/mod/$module/$url";
break;
}
}
function build_logs_array($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) {
if ($gusers = get_records('groups_members', 'groupid', $groupid)) {
$first = true;
foreach($gusers as $guser) {
if ($first) {
$gselect = '(l.userid='.$guser->userid;
$first = false;
}
else {
$gselect .= ' OR l.userid='.$guser->userid;
}
}
if (!$first) $gselect .= ')';
$joins[] = $gselect;
}
}
else if ($user) {
$joins[] = "l.userid = '$user'";
}
if ($date) {
$enddate = $date + 86400;
$joins[] = "l.time > '$date' AND l.time < '$enddate'";
}
$selector = '';
for ($i = 0; $i < count($joins); $i++) {
$selector .= $joins[$i] . (($i == count($joins)-1) ? " " : " AND ");
}
$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;
}
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 "<p align=\"center\">\n";
print_string("displayingrecords", "", $totalcount);
echo "</p>\n";
print_paging_bar($totalcount, $page, $perpage, "$url&perpage=$perpage&");
echo "<table class=\"logtable\" border=\"0\" align=\"center\" cellpadding=\"3\" cellspacing=\"0\">\n";
echo "<tr>";
if ($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) {
$row = ($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 && !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\" nowrap=\"nowrap\">\n";
echo " <a href=\"{$CFG->wwwroot}/course/view.php?id={$log->course}\">".$courses[$log->course]."</a>\n";
echo "</td>\n";
}
echo "<td class=\"r$row c1\" nowrap=\"nowrap\" align=\"right\">".userdate($log->time, '%a').
' '.userdate($log->time, $strftimedatetime)."</td>\n";
echo "<td class=\"r$row c2\" nowrap=\"nowrap\">\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\" nowrap=\"nowrap\">\n";
echo " <a href=\"$CFG->wwwroot/user/view.php?id={$log->userid}&course={$log->course}\">$fullname</a>\n";
echo "</td>\n";
echo "<td class=\"r$row c4\" nowrap=\"nowrap\">\n";
link_to_popup_window( make_log_url($log->module,$log->url), 'fromloglive',"$log->module $log->action", 400, 600);
echo "</td>\n";;
echo "<td class=\"r$row c5\" nowrap=\"nowrap\">{$log->info}</td>\n";
echo "</tr>\n";
}
echo "</table>\n";
print_paging_bar($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, $groupid)) {
return false;
}
if ($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;
}
}
}
$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, $groupid)) {
return false;
}
if ($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;
}
}
}
$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;
}
/*
// Relies on $CFG->libdir.'/phpdocwriter/lib/include.php', which is not
// included in the default Moodle distribution.
function print_log_ooo($course, $user, $date, $order='l.time DESC', $modname,
$modid, $modaction, $groupid) {
global $CFG;
require_once($CFG->libdir.'/phpdocwriter/lib/include.php');
if (!$logs = build_logs_array($course, $user, $date, $order, '', '',
$modname, $modid, $modaction, $groupid)) {
return false;
}
if ($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;
}
}
}
$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);
$filename .= '.sxw';
import('phpdocwriter.pdw_document');
header("Content-Type: application/download\n");
header("Content-Disposition: attachment; filename=$filename");
header("Expires: 0");
header("Cache-Control: must-revalidate,post-check=0,pre-check=0");
header("Pragma: public");
header("Content-Transfer-Encoding: binary");
$sxw = new pdw_document;
$sxw->SetFileName($filename);
$sxw->SetAuthor('Moodle');
$sxw->SetTitle('logs');
$sxw->SetDescription('logs'.' - '.$filename);
$sxw->SetLanguage('es','ES');
$sxw->SetStdFont("Times New Roman",12);
$sxw->AddPageDef(array('name'=>'Standard', 'margins'=>'1,1,1,1', 'w'=>'29.7', 'h'=>'21'));
$sxw->Write(get_string('savedat').userdate(time(), $strftimedatetime));
$sxw->Ln(3);
$headers = array(get_string('course'), get_string('time'), get_string('ip_address'),
get_string('fullname'), get_string('action'), get_string('info'));
foreach($headers as $key=>$header){
$headers[$key] = eregi_replace ("<br?>", " ",$header);
}
foreach ($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);
$data[] = $row;
}
$sxw->Table($headers,$data);
$sxw->Output();
return true;
}
*/
function print_log_graph($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)) {
$linkcss = 'class="dimmed"';
}
print_heading('<a title="'.$course->fullname.'" '.$linkcss.' href="'.$CFG->wwwroot.'/course/view.php?id='.$course->id.'">'.$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
global $CFG, $USER, $SESSION;
$isteacher = has_capability('moodle/site:viewfullnames', get_context_instance(CONTEXT_COURSE, $course->id));
$timestart = time() - COURSE_MAX_RECENT_PERIOD;
if (!empty($USER->timeaccess[$course->id])) {
if ($USER->timeaccess[$course->id] > $timestart) {
$timestart = $USER->timeaccess[$course->id];
}
}
echo '<div class="activitydate">';
echo get_string('activitysince', '', userdate($timestart));
echo '</div>';
echo '<div class="activityhead">';
echo '<a href="'.$CFG->wwwroot.'/course/recent.php?id='.$course->id.'">'.get_string('recentactivityreport').'</a>';
echo "</div>\n";
// Firstly, have there been any new enrolments?
$heading = false;
$content = false;
$users = get_recent_enrolments($course->id, $timestart);
//Accessibility: new users now appear in an <OL> list.
if ($users) {
echo '<div class="newusers">';
if (! $heading) {
print_headline(get_string("newusers").':', 3);
$heading = true;
$content = true;
}
echo "<ol class=\"list\">\n";
foreach ($users as $user) {
$fullname = fullname($user, has_capability('moodle/site:viewfullnames', get_context_instance(CONTEXT_COURSE, $course->id)));
echo '<li class="name"><a href="'.$CFG->wwwroot."/user/view.php?id=$user->id&course=$course->id\">$fullname</a></li>\n";
}
echo "</ol>\n</div>\n";
}
// Next, have there been any modifications to the course structure?
$logs = get_records_select('log', "time > '$timestart' AND course = '$course->id' AND
module = 'course' AND action LIKE '% mod'", "time ASC");
if ($logs) {
foreach ($logs as $key => $log) {
$info = split(' ', $log->info);
if ($info[0] == 'label') { // Labels are special activities
continue;
}
$modname = get_field($info[0], 'name', 'id', $info[1]);
//Create a temp valid module structure (course,id)
$tempmod->course = $log->course;
$tempmod->id = $info[1];
//Obtain the visible property from the instance
$modvisible = instance_is_visible($info[0],$tempmod);
//Only if the mod is visible
if ($modvisible) {
switch ($log->action) {
case 'add mod':
$stradded = get_string('added', 'moodle', get_string('modulename', $info[0]));
$changelist[$log->info] = array ('operation' => 'add', 'text' => "$stradded:<br /><a href=\"$CFG->wwwroot/course/$log->url\">".format_string($modname,true)."</a>");
break;
case 'update mod':
$strupdated = get_string('updated', 'moodle', get_string('modulename', $info[0]));
if (empty($changelist[$log->info])) {
$changelist[$log->info] = array ('operation' => 'update', 'text' => "$strupdated:<br /><a href=\"$CFG->wwwroot/course/$log->url\">".format_string($modname,true)."</a>");
}
break;
case 'delete mod':
if (!empty($changelist[$log->info]['operation']) and
$changelist[$log->info]['operation'] == 'add') {
$changelist[$log->info] = NULL;
} else {
$strdeleted = get_string('deletedactivity', 'moodle', get_string('modulename', $info[0]));
$changelist[$log->info] = array ('operation' => 'delete', 'text' => $strdeleted);
}
break;
}
}
}
}
if (!empty($changelist)) {
foreach ($changelist as $changeinfo => $change) {
if ($change) {
$changes[$changeinfo] = $change;
}
}
if (isset($changes)){
if (count($changes) > 0) {
print_headline(get_string('courseupdates').':', 3);
$content = true;
foreach ($changes as $changeinfo => $change) {
echo '<p class="activity">'.$change['text'].'</p>';
}
}
}
}
// Now display new things from each module
$mods = get_records('modules', 'visible', '1', 'name', 'id, name');
foreach ($mods as $mod) { // Each module gets it's own logs and prints them
include_once($CFG->dirroot.'/mod/'.$mod->name.'/lib.php');
$print_recent_activity = $mod->name.'_print_recent_activity';
if (function_exists($print_recent_activity)) {
//
// NOTE:
// $isteacher is to be deprecated!
//
// TODO:
// 1) Make sure that all _print_recent_activity functions are
// not using the $isteacher value.
// 2) Eventually, remove the $isteacher parameter from the
// function calls.
//
$modcontent = $print_recent_activity($course, $isteacher, $timestart);
if ($modcontent) {
$content = true;
}
}
}
if (! $content) {
echo '<p class="message">'.get_string('nothingnew').'</p>';
}
}
function get_array_of_activities($courseid) {
// For a given course, returns an array of course activity objects
// Each item in the array contains he following properties:
// 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
// extra - contains extra string to include in any link
global $CFG;
$mod = array();
if (!$rawmods = get_course_mods($courseid)) {
return NULL;
}
if ($sections = get_records("course_sections", "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]->cm = $rawmods[$seq]->id;
$mod[$seq]->mod = $rawmods[$seq]->modname;
$mod[$seq]->section = $section->section;
$mod[$seq]->name = urlencode(get_field($rawmods[$seq]->modname, "name", "id", $rawmods[$seq]->instance));
$mod[$seq]->visible = $rawmods[$seq]->visible;
$mod[$seq]->extra = "";
$modname = $mod[$seq]->mod;
$functionname = $modname."_get_coursemodule_info";
include_once("$CFG->dirroot/mod/$modname/lib.php");
if (function_exists($functionname)) {
if ($info = $functionname($rawmods[$seq])) {
if (!empty($info->extra)) {
$mod[$seq]->extra = $info->extra;
}
if (!empty($info->icon)) {
$mod[$seq]->icon = $info->icon;
}
}
}
}
}
}
}
return $mod;
}
function get_all_mods($courseid, &$mods, &$modnames, &$modnamesplural, &$modnamesused) {
// Returns a number of useful structures for course displays
$mods = NULL; // course modules indexed by id
$modnames = NULL; // all course module names (except resource!)
$modnamesplural= NULL; // all course module names (plural form)
$modnamesused = NULL; // course module names used
if ($allmods = get_records("modules")) {
foreach ($allmods as $mod) {
if ($mod->visible) {
$modnames[$mod->name] = get_string("modulename", "$mod->name");
$modnamesplural[$mod->name] = get_string("modulenameplural", "$mod->name");
}
}
asort($modnames);
} else {
error("No modules are installed!");
}
if ($rawmods = get_course_mods($courseid)) {
foreach($rawmods as $mod) { // Index the mods
if (empty($modnames[$mod->modname])) {
continue;
}