<?PHP // $Id$
/// Bulk user registration script from a comma separated file
/// Returns list of users with their user ids
require_once("../config.php");
optional_variable($numusers, 0);
require_login();
if (!isadmin()) {
error("You must be an administrator to edit users this way.");
}
if (! $site = get_site()) {
error("Could not find site-level course");
}
if (!$adminuser = get_admin()) {
error("Could not find site admin");
}
$streditmyprofile = get_string("editmyprofile");
$stradministration = get_string("administration");
$strchoose = get_string("choose");
$struser = get_string("user");
$strusers = get_string("users");
$strusersnew = get_string("usersnew");
$struploadusers = get_string("uploadusers");
$straddnewuser = get_string("importuser");
/// Print the header
print_header("$site->shortname: $struploadusers", $site->fullname,
"<a href=\"index.php\">$stradministration</a> ->
<a href=\"users.php\">$strusers</a> -> $struploadusers");
/// If a file has been uploaded, then process it
if ($filename = valid_uploaded_file($_FILES['userfile'])) {
//Fix mac/dos newlines
$text = my_file_get_contents($filename);
$text = preg_replace('!\r\n?!',"\n",$text);
$fp = fopen($filename, "w");
fwrite($fp,$text);
fclose($fp);
$fp = fopen($filename, "r");
// make arrays of valid fields for error checking
$required = array("username" => 1,
"password" => 1,
"firstname" => 1,
"lastname" => 1,
"email" => 1);
$optionalDefaults = array("institution" => 1,
"department" => 1,
"city" => 1,
"country" => 1,
"lang" => 1,
"timezone" => 1);
$optional = array("idnumber" => 1,
"icq" => 1,
"phone1" => 1,
"phone2" => 1,
"address" => 1,
"url" => 1,
"description" => 1,
"mailformat" => 1,
"maildisplay" => 1,
"htmleditor" => 1,
"autosubscribe" => 1,
"idnumber" => 1,
"icq" => 1,
"course1" => 1,
"course2" => 1,
"course3" => 1,
"course4" => 1,
"course5" => 1,
"group1" => 1,
"group2" => 1,
"group3" => 1,
"group4" => 1,
"group5" =>1);
// --- get header (field names) ---
$header = split("\,", fgets($fp,1024));
// check for valid field names
foreach ($header as $i => $h) {
$h = trim($h); $header[$i] = $h; // remove whitespace
if (!($required[$h] or $optionalDefaults[$h] or $optional[$h])) {
error(get_string('invalidfieldname', 'error', $h), 'uploaduser.php');
}
if ($required[$h]) {
$required[$h] = 2;
}
}
// check for required fields
foreach ($required as $key => $value) {
if ($value < 2) {
error(get_string('fieldrequired', 'error', $key), 'uploaduser.php');
}
}
$linenum = 2; // since header is line 1
while (!feof ($fp)) {
foreach ($optionalDefaults as $key => $value) {
$user->$key = addslashes($adminuser->$key);
}
//Note: commas within a field should be encoded as ,
$line = split("\,", fgets($fp,1024));
foreach ($line as $key => $value) {
//decode encoded commas
$record[$header[$key]] = preg_replace('/\&\#44/',',',trim($value));
}
if ($record[$header[0]]) {
// add a new user to the database
optional_variable($newuser, "");
// add fields to object $user
foreach ($record as $name => $value) {
// check for required values
if ($required[$name] and !$value) {
error(get_string('missingfield', 'error', $name). " ".
get_string('erroronline', 'error', $linenum),
'uploaduser.php');
}
// password needs to be encrypted
else if ($name == "password") {
$user->password = md5($value);
}
// normal entry
else {
$user->{$name} = addslashes($value);
}
}
$user->confirmed = 1;
$user->timemodified = time();
$linenum++;
$username = $user->username;
$addcourse[0] = $user->course1;
$addcourse[1] = $user->course2;
$addcourse[2] = $user->course3;
$addcourse[3] = $user->course4;
$addcourse[4] = $user->course5;
$addgroup[0] = $user->group1;
$addgroup[1] = $user->group2;
$addgroup[2] = $user->group3;
$addgroup[3] = $user->group4;
$addgroup[4] = $user->group5;
$courses = get_courses("all");
for ($i=0; $i<5; $i++) {
$courseid[$i]=0;
}
foreach ($courses as $course) {
for ($i=0; $i<5; $i++) {
if ($course->shortname == $addcourse[$i]) {
$courseid[$i] = $course->id;
}
}
}
if (! $user->id = insert_record("user", $user)) {
if (!$user = get_record("user", "username", "changeme")) { // half finished user from another time
//Record not added - probably because user is already registered
//In this case, output userid from previous registration
//This can be used to obtain a list of userids for existing users
if ($user = get_record("user","username",$username)) {
notify("$user->id ".get_string('usernotaddedregistered', 'error', $username));
} else {
notify(get_string('usernotaddederror', 'error', $username));
}
}
} else if ($user->username != "changeme") {
notify("$struser: $user->id = $user->username");
$numusers++;
}
for ($i=0; $i<5; $i++) {
if ($addcourse[$i] && !$courseid[$i]) {
notify(get_string('unknowncourse', 'error', $addcourse[$i]));
}
}
for ($i=0; $i<5; $i++) {
$groupid[$i] = 0;
if ($addgroup[$i]) {
if (!$courseid[$i]) {
notify(get_string('coursegroupunknown','error',$addgroup[$i]));
} else {
if ($group = get_record("groups","courseid",$courseid[$i],"name",$addgroup[$i])) {
$groupid[$i] = $group->id;
} else {
notify(get_string('groupunknown','error',$addgroup[$i]));
}
}
}
}
for ($i=0; $i<5; $i++) {
if ($courseid[$i]) {
if (enrol_student($user->id, $courseid[$i])) {
notify('-->'. get_string('enrolledincourse', '', $addcourse[$i]));
} else {
notify('-->'.get_string('enrolledincoursenot', '', $addcourse[$i]));
}
}
}
for ($i=0; $i<5; $i++) {
if ($courseid[$i] && $groupid[$i]) {
if (record_exists("user_students","userid",$user->id,"course",$courseid[$i])) {
$usergroup = user_group($courseid[$i],$user->id);
if ($usergroup) {
notify('-->' . get_string('groupalready','error',$usergroup->name));
} else {
$group_member->groupid = $groupid[$i];
$group_member->userid = $user->id;
$group_member->timeadded = time();
if (insert_record("groups_members",$group_member)) {
notify('-->' . get_string('addedtogroup','',$addgroup[$i]));
} else {
notify('-->' . get_string('addedtogroupnot','',$addgroup[$i]));
}
}
} else {
notify('-->' . get_string('addedtogroupnotenrolled','',$addgroup[$i]));
}
}
}
unset ($user);
}
}
fclose($fp);
notify("$strusersnew: $numusers");
echo '<hr />';
}
/// Print the form
print_heading_with_help($struploadusers, 'uploadusers');
$maxuploadsize = get_max_upload_file_size();
echo '<center>';
echo '<form method="post" enctype="multipart/form-data" action="uploaduser.php">'.
$strchoose.':<input type="hidden" name="MAX_FILE_SIZE" value="'.$maxuploadsize.'">'.
'<input type="file" name="userfile" size=30>'.
'<input type="submit" value="'.$struploadusers.'">'.
'</form></br>';
echo '</center>';
print_footer($course);
function my_file_get_contents($filename, $use_include_path = 0) {
/// Returns the file as one big long string
$data = "";
$file = @fopen($filename, "rb", $use_include_path);
if ($file) {
while (!feof($file)) {
$data .= fread($file, 1024);
}
fclose($file);
}
return $data;
}
?>