dongsheng
221 lines
8.7 KiB
PHP
Executable File
221 lines
8.7 KiB
PHP
Executable File
<?php // $Id: uploadgroups.php, 2005/10/31 19:09:31
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/// Bulk group creation registration script from a comma separated file
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require_once('../../../config.php');
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require_once($CFG->dirroot.'/course/lib.php');
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require_once($CFG->dirroot.'/group/lib.php');
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$id = required_param('id', PARAM_INT); // Course id
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if (! $course = get_record('course', 'id', $id) ) {
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print_error('invalidcourseid');
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}
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require_login($course->id);
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$context = get_context_instance(CONTEXT_COURSE, $id);
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if (!has_capability('moodle/course:managegroups', $context)) {
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print_error('nopermissiontomanagegroup');
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}
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//if (!confirm_sesskey()) {
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// print_error('confirmsesskeybad', 'error');
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//}
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$strimportgroups = get_string("importgroups");
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$csv_encode = '/\&\#44/';
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if (isset($CFG->CSV_DELIMITER)) {
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$csv_delimiter = '\\' . $CFG->CSV_DELIMITER;
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$csv_delimiter2 = $CFG->CSV_DELIMITER;
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if (isset($CFG->CSV_ENCODE)) {
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$csv_encode = '/\&\#' . $CFG->CSV_ENCODE . '/';
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}
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} else {
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$csv_delimiter = "\,";
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$csv_delimiter2 = ",";
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}
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/// Print the header
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$navlinks = array();
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$navlinks[] = array('name' => $course->shortname,
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'link' => "$CFG->wwwroot/course/view.php?id=$course->id",
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'type' => 'misc');
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$navlinks[] = array('name' => get_string('import'),
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'link' => "$CFG->wwwroot/course/import.php?id=$course->id",
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'type' => 'misc');
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$navlinks[] = array('name' => $strimportgroups, 'link' => null, 'type' => 'misc');
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$navigation = build_navigation($navlinks);
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print_header("$course->shortname: $strimportgroups", $course->fullname, $navigation);
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/// If a file has been uploaded, then process it
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require_once($CFG->dirroot.'/lib/uploadlib.php');
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$um = new upload_manager('userfile',false,false,null,false,0);
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if ($um->preprocess_files()) {
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$filename = $um->files['userfile']['tmp_name'];
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//Fix mac/dos newlines
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$text = my_file_get_contents($filename);
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$text = preg_replace('!\r\n?!',"\n",$text);
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$fp = fopen($filename, "w");
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fwrite($fp,$text);
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fclose($fp);
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$fp = fopen($filename, "r");
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// make arrays of valid fields for error checking
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$required = array("groupname" => 1, );
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$optionalDefaults = array("lang" => 1, );
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$optional = array("coursename" => 1,
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"idnumber" =>1,
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"description" => 1,
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"enrolmentkey" => 1,
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"theme" => 1,
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"picture" => 1,
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"hidepicture" => 1, );
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// --- get header (field names) ---
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$header = split($csv_delimiter, fgets($fp,1024));
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// check for valid field names
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foreach ($header as $i => $h) {
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$h = trim($h); $header[$i] = $h; // remove whitespace
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if ( !(isset($required[$h]) or
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isset($optionalDefaults[$h]) or
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isset($optional[$h])) ) {
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print_error('invalidfieldname', 'error', 'index.php?id='.$id.'&sesskey='.$USER->sesskey, $h);
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}
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if ( isset($required[$h]) ) {
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$required[$h] = 2;
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}
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}
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// check for required fields
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foreach ($required as $key => $value) {
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if ($value < 2) {
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print_error('fieldrequired', 'error', 'uploaduser.php?id='.$id.'&sesskey='.$USER->sesskey, $key);
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}
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}
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$linenum = 2; // since header is line 1
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while (!feof ($fp)) {
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$newgroup = new object();//to make Martin happy
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foreach ($optionalDefaults as $key => $value) {
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$newgroup->$key = current_language(); //defaults to current language
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}
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//Note: commas within a field should be encoded as , (for comma separated csv files)
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//Note: semicolon within a field should be encoded as ; (for semicolon separated csv files)
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$line = split($csv_delimiter, fgets($fp,1024));
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foreach ($line as $key => $value) {
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//decode encoded commas
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$record[$header[$key]] = preg_replace($csv_encode,$csv_delimiter2,trim($value));
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}
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if ($record[$header[0]]) {
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// add a new group to the database
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// add fields to object $user
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foreach ($record as $name => $value) {
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// check for required values
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if (isset($required[$name]) and !$value) {
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error(get_string('missingfield', 'error', $name). " ".
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get_string('erroronline', 'error', $linenum) .". ".
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get_string('processingstops', 'error'),
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'uploaduser.php?sesskey='.$USER->sesskey);
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//print_error('missingfield', 'error', 'uploaduser.php?sesskey='.$USER->sesskey, $name);
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}
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else if ($name == "groupname") {
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$newgroup->name = addslashes($value);
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}
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// normal entry
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else {
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$newgroup->{$name} = addslashes($value);
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}
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}
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///Find the courseid of the course with the given shortname
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//if idnumber is set, we use that.
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//unset invalid courseid
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if (isset($newgroup->idnumber)){
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if (!$mycourse = get_record('course', 'idnumber',$newgroup->idnumber)){
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notify(get_string('unknowncourseidnumber', 'error', $newgroup->idnumber));
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unset($newgroup->courseid);//unset so 0 doesnt' get written to database
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}
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$newgroup->courseid = $mycourse->id;
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}
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//else use course short name to look up
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//unset invalid coursename (if no id)
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else if (isset($newgroup->coursename)){
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if (!$mycourse = get_record('course', 'shortname',$newgroup->coursename)){
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notify(get_string('unknowncourse', 'error', $newgroup->coursename));
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unset($newgroup->courseid);//unset so 0 doesnt' get written to database
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}
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$newgroup->courseid = $mycourse->id;
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}
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//else juse use current id
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else{
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$newgroup->courseid = $id;
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}
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//if courseid is set
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if (isset($newgroup->courseid)){
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$newgroup->courseid = (int)$newgroup->courseid;
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$newgroup->timecreated = time();
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$linenum++;
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$groupname = $newgroup->name;
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$newgrpcoursecontext = get_context_instance(CONTEXT_COURSE, $newgroup->courseid);
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///Users cannot upload groups in courses they cannot update.
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if (!has_capability('moodle/course:managegroups', $newgrpcoursecontext)){
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notify(get_string('nopermissionforcreation','group',$groupname));
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} else {
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if ( $groupid = groups_get_group_by_name($newgroup->courseid, $groupname) || !($newgroup->id = groups_create_group($newgroup)) ) {
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//Record not added - probably because group is already registered
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//In this case, output groupname from previous registration
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if ($groupid) {
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notify("$groupname :".get_string('groupexistforcourse', 'error', $groupname));
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} else {
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notify(get_string('groupnotaddederror', 'error', $groupname));
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}
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}
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else {
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notify(get_string('groupaddedsuccesfully', 'group', $groupname));
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}
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}
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} //close courseid validity check
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unset ($newgroup);
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}//close if ($record[$header[0]])
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}//close while($fp)
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fclose($fp);
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echo '<hr />';
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}
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/// Print the form
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require('mod.php');
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print_footer($course);
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function my_file_get_contents($filename, $use_include_path = 0) {
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/// Returns the file as one big long string
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$data = "";
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$file = @fopen($filename, "rb", $use_include_path);
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if ($file) {
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while (!feof($file)) {
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$data .= fread($file, 1024);
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}
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fclose($file);
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}
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return $data;
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}
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?>
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