moodle/user/index.php
2006-04-10 16:12:53 +00:00

677 lines
26 KiB
PHP

<?PHP // $Id$
// Lists all the users within a given course
require_once('../config.php');
require_once($CFG->libdir.'/tablelib.php');
define('USER_SMALL_CLASS', 20); // Below this is considered small
define('USER_LARGE_CLASS', 200); // Above this is considered large
define('DEFAULT_PAGE_SIZE', 20);
$id = required_param('id', PARAM_INT); // Course id
$group = optional_param('group', -1, PARAM_INT); // Group to show
$page = optional_param('page', 0, PARAM_INT); // which page to show
$perpage = optional_param('perpage', DEFAULT_PAGE_SIZE, PARAM_INT); // how many per page
$mode = optional_param('mode', NULL); // '0' for less details, '1' for more
$showteachers = optional_param('teachers', 1, PARAM_INT); // do we want to see the teacher list?
$accesssince = optional_param('accesssince',0,PARAM_INT); // filter by last access. -1 = never
$search = optional_param('search','',PARAM_CLEAN);
$showteachers = $showteachers && empty($search); // if we're searching, we just want students.
if (! $course = get_record('course', 'id', $id)) {
error("Course ID is incorrect");
}
require_login($course->id);
if (!$course->category) {
if (!$CFG->showsiteparticipantslist and !isteacher(SITEID)) {
notice(get_string('sitepartlist0'));
}
if ($CFG->showsiteparticipantslist < 2 and !isteacherinanycourse()) {
notice(get_string('sitepartlist1'));
}
}
add_to_log($course->id, 'user', 'view all', 'index.php?id='.$course->id, '');
$isteacher = isteacher($course->id);
if (empty($isteacher)) {
$search = false;
}
$countries = get_list_of_countries();
$strnever = get_string('never');
$datestring->day = get_string('day');
$datestring->days = get_string('days');
$datestring->hour = get_string('hour');
$datestring->hours = get_string('hours');
$datestring->min = get_string('min');
$datestring->mins = get_string('mins');
$datestring->sec = get_string('sec');
$datestring->secs = get_string('secs');
if ($mode !== NULL) {
$SESSION->userindexmode = $fullmode = ($mode == 1);
} else if (isset($SESSION->userindexmode)) {
$fullmode = $SESSION->userindexmode;
} else {
$fullmode = false;
}
/// Check to see if groups are being used in this forum
/// and if so, set $currentgroup to reflect the current group
$groupmode = groupmode($course); // Groups are being used
$currentgroup = get_and_set_current_group($course, $groupmode, $group);
if (!$currentgroup) { // To make some other functions work better later
$currentgroup = NULL;
}
$isseparategroups = ($course->groupmode == SEPARATEGROUPS and $course->groupmodeforce and
!isteacheredit($course->id));
if ($isseparategroups and (!$currentgroup) ) { //XXX
print_heading(get_string("notingroup", "forum"));
print_footer($course);
exit;
}
// Should use this variable so that we don't break stuff every time a variable is added or changed.
$baseurl = $CFG->wwwroot.'/user/index.php?id='.$course->id.'&amp;group='.$currentgroup.'&amp;perpage='.$perpage.'&amp;teachers='.$showteachers.'&amp;accesssince='.$accesssince.'&amp;search='.$search;
/// Print headers
if ($course->category) {
print_header("$course->shortname: ".get_string('participants'), $course->fullname,
"<a href=\"../course/view.php?id=$course->id\">$course->shortname</a> -> ".
get_string('participants'), "", "", true, "&nbsp;", navmenu($course));
} else {
print_header("$course->shortname: ".get_string('participants'), $course->fullname,
get_string('participants'), "", "", true, "&nbsp;", navmenu($course));
}
//setting up tags
if ($id == SITEID) {
$filtertype = 'site';
} else if ($id && !$currentgroup) {
$filtertype = 'course';
$filterselect = $id;
} else {
$filtertype = 'group';
$filterselect = $currentgroup;
}
$currenttab = 'participants';
$user = $USER;
require_once($CFG->dirroot .'/user/tabs.php');
/// Get the hidden field list
if ($isteacher || isadmin()) {
$hiddenfields = array(); // teachers and admins are allowed to see everything
} else {
$hiddenfields = array_flip(explode(',', $CFG->hiddenuserfields));
}
/// Print settings and things in a table across the top
echo '<table class="controls" cellspacing="0"><tr>';
//print my course menus
echo '<td class="left">';
print_string('mycourses');
echo ': ';
$mycourses = get_my_courses($USER->id);
foreach ($mycourses as $mycourse) {
$my_course[$mycourse->id] = $mycourse->shortname;
}
//choose_from_menu($my_course, 'id', $course->id, '', 'courseform.submit()');
popup_form($CFG->wwwroot.'/user/index.php?id=',$my_course,'courseform',$course->id);
echo '</td></tr>';
if ($groupmode == VISIBLEGROUPS or ($groupmode and isteacheredit($course->id))) {
if ($groups = get_records_menu("groups", "courseid", $course->id, "name ASC", "id,name")) {
echo '<td class="left">';
print_group_menu($groups, $groupmode, $currentgroup, $baseurl);
echo '</td>';
}
}
// get minimum lastaccess for this course and display a dropbox to filter by lastaccess going back this far.
$minlastaccess = get_field_sql('SELECT min(timeaccess) FROM '.$CFG->prefix.'user_students WHERE course = '.$course->id.' AND timeaccess != 0');
$lastaccess0exists = record_exists('user_students','course',$course->id,'timeaccess',0);
$now = usergetmidnight(time());
$timeaccess = array();
// makes sense for this to go first.
$timeoptions[0] = get_string('selectperiod');
// days
for ($i = 1; $i < 7; $i++) {
if (strtotime('-'.$i.' days',$now) >= $minlastaccess) {
$timeoptions[strtotime('-'.$i.' days',$now)] = get_string('numdays','moodle',$i);
}
}
// weeks
for ($i = 1; $i < 10; $i++) {
if (strtotime('-'.$i.' weeks',$now) >= $minlastaccess) {
$timeoptions[strtotime('-'.$i.' weeks',$now)] = get_string('numweeks','moodle',$i);
}
}
// months
for ($i = 2; $i < 12; $i++) {
if (strtotime('-'.$i.' months',$now) >= $minlastaccess) {
$timeoptions[strtotime('-'.$i.' months',$now)] = get_string('nummonths','moodle',$i);
}
}
// try a year
if (strtotime('-1 year',$now) >= $minlastaccess) {
$timeoptions[strtotime('-1 year',$now)] = get_string('lastyear');
}
if (!empty($lastaccess0exists)) {
$timeoptions[-1] = get_string('never');
}
if (count($timeoptions) > 1) {
echo '<td class="left">';
echo get_string('usersnoaccesssince').': ';
$baseurl = preg_replace('/&amp;accesssince='.$accesssince.'/','',$baseurl);
echo popup_form($baseurl.'&amp;accesssince=',$timeoptions,'timeoptions',$accesssince,'','','',true);
echo '</td>';
}
echo '<td class="right">';
echo get_string('userlist').': ';
$formatmenu = array( '0' => get_string('detailedless'),
'1' => get_string('detailedmore'));
echo popup_form($baseurl.'&amp;mode=', $formatmenu, 'formatmenu', $fullmode, '', '', '', true);
echo '</td></tr></table>';
if ($currentgroup and (!$isseparategroups or isteacheredit($course->id))) { /// Display info about the group
if ($group = get_record('groups', 'id', $currentgroup)) {
if (!empty($group->description) or (!empty($group->picture) and empty($group->hidepicture))) {
echo '<table class="groupinfobox"><tr><td class="left side picture">';
print_group_picture($group, $course->id, true, false, false);
echo '</td><td class="content">';
echo '<h3>'.$group->name;
if (isteacheredit($course->id)) {
echo '&nbsp;<a title="'.get_string('editgroupprofile').'" href="../course/groups.php?id='.$course->id.'&amp;group='.$group->id.'">';
echo '<img src="'.$CFG->pixpath.'/t/edit.gif" alt="" border="0">';
echo '</a>';
}
echo '</h3>';
echo format_text($group->description);
echo '</td></tr></table>';
}
}
}
$exceptions = array(); // This will be an array of userids that are shown as teachers and thus
// do not have to be shown as users as well. Only relevant on site course.
if ($isteacher) {
echo '
<script Language="JavaScript">
<!--
function checksubmit(form) {
var destination = form.formaction.options[form.formaction.selectedIndex].value;
if (destination == "" || !checkchecked(form)) {
form.formaction.selectedIndex = 0;
return false;
} else {
return true;
}
}
function checkchecked(form) {
var inputs = document.getElementsByTagName(\'INPUT\');
var checked = false;
inputs = filterByParent(inputs, function() {return form;});
for(var i = 0; i < inputs.length; ++i) {
if(inputs[i].type == \'checkbox\' && inputs[i].checked) {
checked = true;
}
}
return checked;
}
//-->
</script>
';
echo '<form action="action_redir.php" method="post" name="studentsform" onSubmit="return checksubmit(this);">';
echo '<input type="hidden" name="id" value="'.$id.'" />';
echo '<input type="hidden" name="returnto" value="'.$_SERVER['REQUEST_URI'].'" />';
echo '<input type="hidden" name="sesskey" value="'.$USER->sesskey.'" />';
}
if($showteachers) {
$tablecolumns = array('picture', 'fullname');
$tableheaders = array('', get_string('fullname'));
if (!isset($hiddenfields['city'])) {
$tablecolumns[] = 'city';
$tableheaders[] = get_string('city');
}
if (!isset($hiddenfields['country'])) {
$tablecolumns[] = 'country';
$tableheaders[] = get_string('country');
}
if (!isset($hiddenfields['lastaccess'])) {
$tablecolumns[] = 'lastaccess';
$tableheaders[] = get_string('lastaccess');
}
if ($isteacher) {
$tablecolumns[] = '';
$tableheaders[] = get_string('select');
}
$table = new flexible_table('user-index-teachers-'.$course->id);
$table->define_columns($tablecolumns);
$table->define_headers($tableheaders);
$table->define_baseurl($baseurl);
$table->sortable(true, 'lastaccess', SORT_DESC);
$table->set_attribute('cellspacing', '0');
$table->set_attribute('id', 'teachers');
$table->set_attribute('class', 'generaltable generalbox');
$table->setup();
if($whereclause = $table->get_sql_where()) {
$whereclause .= ' AND ';
}
$teachersql = "SELECT u.id, u.username, u.firstname, u.lastname, u.maildisplay, u.mailformat, u.maildigest,
u.email, u.maildisplay, u.city, u.country, u.lastlogin, u.picture, u.lang, u.timezone,
u.emailstop, t.authority,t.role,t.editall,t.timeaccess as lastaccess, m.groupid
FROM {$CFG->prefix}user u
LEFT JOIN {$CFG->prefix}user_teachers t ON t.userid = u.id
LEFT JOIN {$CFG->prefix}groups_members m ON m.userid = u.id ";
if($isseparategroups) {
$whereclause .= '(t.editall OR groupid = '.$currentgroup.') AND ';
}
else if ($currentgroup) { // Displaying a group by choice
$whereclause .= 'groupid = '.$currentgroup.' AND ';
}
$teachersql .= 'WHERE '.$whereclause.' t.course = '.$course->id.' AND u.deleted = 0 AND u.confirmed = 1';
if (!$isteacher) {
$teachersql .= ' AND t.authority > 0';
}
$teachersql .= get_lastaccess_sql($accesssince);
if($sortclause = $table->get_sql_sort()) {
$teachersql .= ' ORDER BY '.$sortclause;
}
$teachers = get_records_sql($teachersql);
if(!empty($teachers)) {
echo '<h2>'.$course->teachers;
echo ' <a href="'.$baseurl.'&amp;teachers=0">';
echo '<img src="'.$CFG->pixpath.'/i/hide.gif" height="16" width="16" alt="'.get_string('hide').'" /></a>';
if (isadmin() or ($course->category and (iscreator() or (isteacheredit($course->id) and !empty($CFG->teacherassignteachers))))) {
echo ' <a href="'.$CFG->wwwroot.'/course/teacher.php?id='.$course->id.'">';
echo '<img src="'.$CFG->pixpath.'/i/edit.gif" height="16" width="16" alt="'.get_string('edit').'" /></a>';
}
echo '</h2>';
$exceptions = array_keys($teachers);
if ($fullmode) {
foreach ($teachers as $key => $teacher) {
print_user($teacher, $course, true);
}
} else {
$countrysort = (strpos($sortclause, 'country') !== false);
foreach ($teachers as $teacher) {
if ($teacher->lastaccess) {
$lastaccess = format_time(time() - $teacher->lastaccess, $datestring);
} else {
$lastaccess = $strnever;
}
if (empty($teacher->country)) {
$country = '';
}
else {
if($countrysort) {
$country = '('.$teacher->country.') '.$countries[$teacher->country];
}
else {
$country = $countries[$teacher->country];
}
}
$data = array (
print_user_picture($teacher->id, $course->id, $teacher->picture, false, true),
'<strong><a'.($teacher->authority?'':' class="dimmed"').' href="'.$CFG->wwwroot.'/user/view.php?id='.$teacher->id.'&amp;course='.$course->id.'">'.fullname($teacher, $isteacher).'</a></strong>');
if (!isset($hiddenfields['city'])) {
$data[] = $teacher->city;
}
if (!isset($hiddenfields['country'])) {
$data[] = $country;
}
if (!isset($hiddenfields['lastaccess'])) {
$data[] = $lastaccess;
}
if ($isteacher) {
$data[] = '<input type="checkbox" name="teacher'.$teacher->id.'" />';
}
$table->add_data($data);
}
$table->print_html();
}
}
}
else {
// Don't show teachers
echo '<h2>'.$course->teachers;
echo ' <a href="'.$baseurl.'&amp;teachers=1">';
echo '<img src="'.$CFG->pixpath.'/i/show.gif" height="16" width="16" alt="'.get_string('show').'" /></a>';
if (isadmin() or ($course->category and (iscreator() or (isteacheredit($course->id) and !empty($CFG->teacherassignteachers))))) {
echo ' <a href="'.$CFG->wwwroot.'/course/teacher.php?id='.$course->id.'">';
echo '<img src="'.$CFG->pixpath.'/i/edit.gif" height="16" width="16" alt="'.get_string('edit').'" /></a>';
}
echo '</h2>';
}
$guest = get_guest();
$exceptions[] = $guest->id;
$tablecolumns = array('picture', 'fullname');
$tableheaders = array('', get_string('fullname'));
if (!isset($hiddenfields['city'])) {
$tablecolumns[] = 'city';
$tableheaders[] = get_string('city');
}
if (!isset($hiddenfields['country'])) {
$tablecolumns[] = 'country';
$tableheaders[] = get_string('country');
}
if (!isset($hiddenfields['lastaccess'])) {
$tablecolumns[] = 'lastaccess';
$tableheaders[] = get_string('lastaccess');
}
if ($course->enrolperiod) {
$tablecolumns[] = 'timeend';
$tableheaders[] = get_string('enrolmentend');
}
if ($isteacher) {
$tablecolumns[] = '';
$tableheaders[] = get_string('select');
}
$table = new flexible_table('user-index-students-'.$course->id);
$table->define_columns($tablecolumns);
$table->define_headers($tableheaders);
$table->define_baseurl($baseurl);
$table->sortable(true, 'lastaccess', SORT_DESC);
$table->set_attribute('cellspacing', '0');
$table->set_attribute('id', 'students');
$table->set_attribute('class', 'generaltable generalbox');
$table->set_control_variables(array(
TABLE_VAR_SORT => 'ssort',
TABLE_VAR_HIDE => 'shide',
TABLE_VAR_SHOW => 'sshow',
TABLE_VAR_IFIRST => 'sifirst',
TABLE_VAR_ILAST => 'silast',
TABLE_VAR_PAGE => 'spage'
));
$table->setup();
if(SITEID == $course->id) {
$select = 'SELECT u.id, u.username, u.firstname, u.lastname, u.email, u.city, u.country,
u.picture, u.lang, u.timezone, u.emailstop, u.maildisplay, u.lastaccess ';
$from = 'FROM '.$CFG->prefix.'user u ';
$where = 'WHERE confirmed = 1 AND u.deleted = 0 ';
}
else {
$select = 'SELECT u.id, u.username, u.firstname, u.lastname, u.email, u.city, u.country,
u.picture, u.lang, u.timezone, u.emailstop, u.maildisplay, s.timeaccess AS lastaccess ';
$select .= $course->enrolperiod?', s.timeend ':'';
$from = 'FROM '.$CFG->prefix.'user u LEFT JOIN '.$CFG->prefix.'user_students s ON s.userid = u.id ';
$where = 'WHERE s.course = '.$course->id.' AND u.deleted = 0 ';
}
$where .= get_lastaccess_sql($accesssince);
$wheresearch = '';
if (!empty($search)) {
$LIKE = sql_ilike();
$fullname = sql_fullname('u.firstname','u.lastname');
$wheresearch .= ' AND ('. $fullname .' '. $LIKE .'\'%'. $search .'%\' OR email '. $LIKE .'\'%'. $search .'%\' OR idnumber '.$LIKE.' \'%'.$search.'%\') ';
}
if ($currentgroup) { // Displaying a group by choice
// FIX: TODO: This will not work if $currentgroup == 0, i.e. "those not in a group"
$from .= 'LEFT JOIN '.$CFG->prefix.'groups_members gm ON u.id = gm.userid ';
$where .= ' AND gm.groupid = '.$currentgroup;
}
if($course->id == SITEID) {
$where .= ' AND u.id NOT IN ('.implode(',', $exceptions).')';
}
$totalcount = count_records_sql('SELECT COUNT(*) '.$from.$where);
if($table->get_sql_where()) {
$where .= ' AND '.$table->get_sql_where();
}
if($table->get_sql_sort()) {
$sort = ' ORDER BY '.$table->get_sql_sort();
}
else {
$sort = '';
}
$matchcount = count_records_sql('SELECT COUNT(*) '.$from.$where.$wheresearch);
$table->initialbars($totalcount > $perpage);
$table->pagesize($perpage, $matchcount);
if($table->get_page_start() !== '' && $table->get_page_size() !== '') {
$limit = ' '.sql_paging_limit($table->get_page_start(), $table->get_page_size());
}
else {
$limit = '';
}
$students = get_records_sql($select.$from.$where.$wheresearch.$sort.$limit);
$a->count = $totalcount;
$a->items = $totalcount == 1 ? $course->student : $course->students;
echo '<h2>'.get_string('counteditems', '', $a);
if (isteacheredit($course->id)) {
echo ' <a href="../course/student.php?id='.$course->id.'">';
echo '<img src="'.$CFG->pixpath.'/i/edit.gif" height="16" width="16" alt="" /></a>';
}
echo '</h2>';
if ($CFG->longtimenosee > 0 && $CFG->longtimenosee < 1000 && $totalcount > 0) {
echo '<p id="longtimenosee">('.get_string('unusedaccounts', '', $CFG->longtimenosee).')</p>';
}
if ($fullmode) { // Print simple listing
if ($totalcount < 1) {
print_heading(get_string("nostudentsfound", "", $course->students));
}
else {
if($totalcount > $perpage) {
$firstinitial = $table->get_initial_first();
$lastinitial = $table->get_initial_last();
$strall = get_string('all');
$alpha = explode(',', get_string('alphabet'));
// Bar of first initials
echo '<div class="initialbar firstinitial">'.get_string('firstname').' : ';
if(!empty($firstinitial)) {
echo '<a href="'.$baseurl.'&amp;sifirst=">'.$strall.'</a>';
} else {
echo '<strong>'.$strall.'</strong>';
}
foreach ($alpha as $letter) {
if ($letter == $firstinitial) {
echo ' <strong>'.$letter.'</strong>';
} else {
echo ' <a href="'.$baseurl.'&amp;sifirst='.$letter.'">'.$letter.'</a>';
}
}
echo '</div>';
// Bar of last initials
echo '<div class="initialbar lastinitial">'.get_string('lastname').' : ';
if(!empty($lastinitial)) {
echo '<a href="'.$baseurl.'&amp;silast=">'.$strall.'</a>';
} else {
echo '<strong>'.$strall.'</strong>';
}
foreach ($alpha as $letter) {
if ($letter == $lastinitial) {
echo ' <strong>'.$letter.'</strong>';
} else {
echo ' <a href="'.$baseurl.'&amp;silast='.$letter.'">'.$letter.'</a>';
}
}
echo '</div>';
print_paging_bar($matchcount, intval($table->get_page_start() / $perpage), $perpage, $baseurl.'&amp;', 'spage');
}
if($matchcount > 0) {
foreach ($students as $student) {
print_user($student, $course, true);
}
}
else {
print_heading(get_string('nothingtodisplay'));
}
}
}
else {
$countrysort = (strpos($sort, 'country') !== false);
$timeformat = get_string('strftimedate');
if (!empty($students)) {
foreach ($students as $student) {
if ($student->lastaccess) {
$lastaccess = format_time(time() - $student->lastaccess, $datestring);
} else {
$lastaccess = $strnever;
}
if (empty($student->country)) {
$country = '';
}
else {
if($countrysort) {
$country = '('.$student->country.') '.$countries[$student->country];
}
else {
$country = $countries[$student->country];
}
}
$data = array (
print_user_picture($student->id, $course->id, $student->picture, false, true),
'<strong><a href="'.$CFG->wwwroot.'/user/view.php?id='.$student->id.'&amp;course='.$course->id.'">'.fullname($student).'</a></strong>');
if (!isset($hiddenfields['city'])) {
$data[] = $student->city;
}
if (!isset($hiddenfields['country'])) {
$data[] = $country;
}
if (!isset($hiddenfields['lastaccess'])) {
$data[] = $lastaccess;
}
if ($course->enrolperiod) {
if ($student->timeend) {
$data[] = userdate($student->timeend, $timeformat);
} else {
$data[] = get_string('unlimited');
}
}
if ($isteacher) {
$data[] = '<input type="checkbox" name="user'.$student->id.'" />';
}
$table->add_data($data);
}
}
$table->print_html();
}
if ($isteacher) {
echo '<br /><center>';
echo '<input type="button" onclick="checkall()" value="'.get_string('selectall').'" /> ';
echo '<input type="button" onclick="checknone()" value="'.get_string('deselectall').'" /> ';
$displaylist['messageselect.php'] = get_string('messageselectadd');
if ($course->enrolperiod) {
$displaylist['extendenrol.php'] = get_string('extendenrol');
}
choose_from_menu ($displaylist, "formaction", "", get_string("withselectedusers"), "if(checksubmit(this.form))this.form.submit();", "");
helpbutton("participantswithselectedusers", get_string("withselectedusers"));
echo '<input type="submit" value="' . get_string('ok') . '"';
echo '</center></form>';
}
if ($isteacher && $totalcount > ($perpage*3)) {
echo '<form action="index.php"><p align="center"><input type="hidden" name="id" value="'.$course->id.'" />'.get_string('search').':&nbsp;'."\n";
echo '<input type="text" name="search" value="'.$search.'" />&nbsp;<input type="submit" value="'.get_string('search').'" /></p></form>'."\n";
}
if ($perpage == 99999) {
echo '<div id="showall"><a href="'.$baseurl.'&amp;perpage='.DEFAULT_PAGE_SIZE.'">'.get_string('showperpage', '', DEFAULT_PAGE_SIZE).'</a></div>';
}
else if ($matchcount > 0 && $perpage < $matchcount) {
echo '<div id="showall"><a href="'.$baseurl.'&amp;perpage=99999">'.get_string('showall', '', $matchcount).'</a></div>';
}
print_footer($course);
function get_lastaccess_sql($accesssince='') {
if (empty($accesssince)) {
return '';
}
if ($accesssince == -1) { // never
return ' AND timeaccess = 0';
} else {
return ' AND timeaccess != 0 AND timeaccess < '.$accesssince;
}
}
?>