+++ /dev/null
-<?php // $Id$
-////////////////////////////////////////////////////////////////////
-/// Class for importing course test manager questions. //
-/// //
-/// //
-////////////////////////////////////////////////////////////////////
-
-// Based on format.php, included by ../../import.php
-/**
- * @package questionbank
- * @subpackage importexport
- */
-
-require_once($CFG->dirroot.'/lib/uploadlib.php');
-
-class qformat_coursetestmanager extends qformat_default {
-
- function provide_import() {
- return true;
- }
-
- function importpreprocess($category) {
- $this->category = $category; // Important
- return true;
- }
-
- function importprocess($filename) {
- global $CFG, $USER, $strimportquestions,$form,$question_category,$category,$COURSE, $DB, $hostname, $mdapath, $mdbpath;
- if ((PHP_OS == "Linux") and isset($hostname)) {
- $hostname = trim($hostname);
- // test the ODBC socket server connection
- // if failure, unset hostname and set hostname_access_error
- $question_categories = $this->getquestioncategories($mdbpath, $mdapath, $hostname);
- if (!$question_categories) {
- $hostname_access_error = $hostname . " ";
- unset($hostname);
- } else {
- $hostname_access_error = 0;
- }
- }
-
- if ((PHP_OS == "Linux") and !isset($hostname)) {
- // copy the file to a semi-permanent location
- if (! $basedir = make_upload_directory("$COURSE->id")) {
- print_error('cannotcreateuploaddir');
- }
- if (!isset($hostname_access_error)) {
- $bname=basename($filename);
- $cleanfilename = clean_filename($bname);
- if ($cleanfilename) {
- $newfile = "$basedir/$cleanfilename";
- if (move_uploaded_file($filename, $newfile)) {
- chmod($newfile, 0666);
- clam_log_upload($newfile,$COURSE);
- } else {
- notify(get_string("uploadproblem", "", $filename));
- }
- }
- $filename = $newfile;
- }
- print_heading_with_help($strimportquestions, "import", "quiz");
- print_simple_box_start("center");
- if ($hostname_access_error) { notify("couldn't connect to ODBC Socket Server on " . $hostname_access_error); }
- echo "<form method=\"post\" action=\"import.php\">";
- echo '<fieldset class="invisiblefieldset">';
- echo "<table cellpadding=\"5\">";
-
- echo "<tr><td align=\"right\">";
- echo "What is the hostname or IP address of the ODBC Socket Server:</td><td>";
- echo " <input name=\"hostname\" type=\"text\" size=\"50\" value=\"".$hostname_access_error."\" />";
- echo " <input name=\"filename\" type=\"hidden\" value=\"".$filename."\" />";
- echo " <input name=\"category\" type=\"hidden\" value=\"".$category->id."\" />";
- echo " <input name=\"format\" type=\"hidden\" value=\"".$form->format."\" />";
- echo "</td><td> </td></tr>";
- echo "<tr><td align=\"right\">";
- echo "What is the location of the database (.mdb file) on the Socket Server:</td><td>";
- echo " <input name=\"mdbpath\" type=\"text\" size=\"50\" value=\"".$mdbpath."\" />";
- echo "</td><td> </td></tr>";
- echo "<tr><td align=\"right\">";
- echo "What is the location of the system database (System.mda file) on the Socket Server:</td><td>";
- echo " <input name=\"mdapath\" type=\"text\" size=\"50\" value=\"".$mdapath."\" />";
- echo "</td><td> </td></tr>";
- echo "<tr><td> </td><td>";
- echo " <input type=\"submit\" name=\"save\" value=\"Connect to Server\" />";
- echo "</td></tr>";
- echo "</table>";
- echo '</fieldset>';
- echo "</form>";
- print_simple_box_end();
- print_footer($COURSE);
- exit;
- }
-
- // we get here if running windows or after connect to ODBC socket server on linux
-//
-// this generates the page to choose categories of questions to import
-//
- if (!isset($question_category)) {
-
- if (PHP_OS == "WINNT") {
- // copy the file to a semi-permanent location
- if (! $basedir = make_upload_directory("$COURSE->id")) {
- print_error('cannotcreateuploaddir');
- }
- $bname=basename($filename);
- $cleanfilename = clean_filename($bname);
- if ($cleanfilename) {
- $newfile = "$basedir/$cleanfilename";
- if (move_uploaded_file($filename, $newfile)) {
- chmod($newfile, 0666);
- clam_log_upload($newfile,$COURSE);
- } else {
- notify(get_string("uploadproblem", "", $filename));
- }
- }
- $filename = $newfile;
- }
- // end of file copy
-
- // don't have to do this on linux, since it's alreay been done in the test above
- if (PHP_OS == "WINNT") {
- $question_categories = $this->getquestioncategories($filename);
- }
- // print the intermediary form
- if (!$categories = question_category_options($COURSE->id, true)) {
- print_error('nocate', 'debug');
- }
- print_heading_with_help($strimportquestions, "import", "quiz");
- print_simple_box_start("center");
- echo "<form method=\"post\" action=\"import.php\">";
- echo '<fieldset class="invisiblefieldset">';
- echo "<table cellpadding=\"5\">";
- echo "<tr><td align=\"right\">";
- echo "Choose a category of questions to import:</td><td>";
- asort($question_categories);
- choose_from_menu($question_categories, "question_category","All Categories","All Categories", "", "allcategories");
- echo " <input name=\"filename\" type=\"hidden\" value=\"".$filename."\" />";
- echo " <input name=\"category\" type=\"hidden\" value=\"".$category->id."\" />";
- echo " <input name=\"format\" type=\"hidden\" value=\"".$form->format."\" />";
- if (PHP_OS == "Linux") {
- echo " <input name=\"hostname\" type=\"hidden\" value=\"".trim($hostname)."\" />";
- echo " <input name=\"mdbpath\" type=\"hidden\" value=\"".$mdbpath."\" />";
- echo " <input name=\"mdapath\" type=\"hidden\" value=\"".$mdapath."\" />";
- }
- echo "</td><td> </td>";
- echo "</tr><tr><td> </td><td>";
- echo " <input type=\"submit\" name=\"save\" value=\"Import Questions\" />";
- echo "</td></tr>";
- echo "</table>";
- echo '</fieldset>';
- echo "</form>";
- print_simple_box_end();
- print_footer($COURSE);
- exit;
- }
-//
-// this is the main import section
-//
- notify("Importing questions");
- if (PHP_OS == "Linux") {
- $hostname = trim($hostname);
- $records = $this->getquestions($mdbpath,$question_category,$mdapath, $hostname);
- } else {
- $records = $this->getquestions($filename,$question_category);
- }
- foreach ($records as $qrec) {
- $question = $this->defaultquestion();
- if ($qrec[9] != "") {
- $question->image = $qrec[9];
- }
-// 0 Selected
-// 1 PracticeTestOK?
-// 2 QuestionText
-// 3 QuestionType
-// 4 Option1Text
-// 5 Option2Text
-// 6 Option3Text
-// 7 Option4Text
-// 8 CorrectAnswer
-// 9 Graphic
-// 10 Module
-// 11 ChapterNumber
-// 12 PageNumber
- $ref = "Answer can be found in chapter ". $qrec[11] . ", page " . $qrec[12] . ".";
- switch ($qrec[3]) {
- case 1:
- $question->qtype = MULTICHOICE; // MULTICHOICE, SHORTANSWER, TRUEFALSE
- // echo "<pre>";echo htmlspecialchars($qrec[2]); echo "</pre>";
- $question->questiontext = trim($qrec[2]);
- // echo "<pre>";echo $question->questiontext; echo "</pre>";
- $question->name = preg_replace("/<br />/", "", $question->questiontext);
- $question->single = 1; // Only one answer is allowed -- used for multiple choicers
- $fractionset = 0;
- for ($i=4;$i<=7;$i++) {
- if ($qrec[$i] != "") {
- $question->answer[$i-3]=$qrec[$i];
- if ($qrec[8] == $i-3) { // if this is the index of CorrectAnswer
- $question->fraction[$i-3] = 1;
- $fractionset = 1;
- } else {
- $question->fraction[$i-3] = 0;
- }
- $question->feedback[$i-3] = (($qrec[8] == $i-3)?"Correct. ":"Incorrect. ") . $ref;
- }
- }
- if ($fractionset == 0) {
- $question->fraction[1] = 1;
- }
- break;
- case 2: // TRUE FALSE
- $question->qtype = TRUEFALSE;
- $question->questiontext = trim($qrec[2]);
- $question->name = preg_replace("/<br />/", "", $question->questiontext);
- // for TF, $question->answer should be 1 for true, 0 for false
- if ($qrec[8] == "T") {
- $question->answer =1;
- } else {
- $question->answer = 0;
- }
- // for TF, use $question->feedbacktrue and feedbackfalse
- $question->feedbacktrue = (($qrec[8] =="T")?"Correct. ":"Incorrect. ") . $ref;
- $question->feedbackfalse = (($qrec[8] =="F")?"Correct. ":"Incorrect. ") . $ref;
- break;
- case 3:
- $question->qtype = SHORTANSWER;
- $question->questiontext = trim($qrec[2]);
- // echo "<pre>";echo $question->questiontext; echo "</pre>";
- $question->name = preg_replace("/<br />/", "", $question->questiontext);
- $question->usecase=0; // Ignore case -- for SHORT ANSWER questions
- $answers = explode("~", $qrec[8]);
- $question->answer[0]=" ";
- $question->fraction[0]=1;
- for ($i=0;$i<count($answers);$i++) {
- $question->answer[$i] = trim($answers[$i]);
- $question->feedback[$i] = $ref;
- $question->fraction[$i] = 1; // 1 for 100%, 0 for none or somewhere in between
- }
- break;
- case 4:
- $question = 0;
- notify("Cannot use essay questions - skipping question ". $qrec[2] . " " . $ref);
- break;
- default:
- $question = 0;
- notify("Misformatted Record. Question Skipped.");
- break;
- }
- if ($question) {
- $questions[] = $question;
- }
- }
- $count = 0;
- // process all the questions
- if (PHP_OS == "WINNT") {
- $filename = str_replace("\\\\","\\",$filename);
- $filename = str_replace("/","\\",$filename);
- }
- foreach ($questions as $question) { // Process and store each question
- $count++;
- echo "<hr /><p><b>$count</b>. ".$question->questiontext."</p>";
- $question->category = $this->category->id;
- $question->stamp = make_unique_id_code(); // Set the unique code (not to be changed)
- $question->createdby = $USER->id;
- $question->timecreated = time();
- if (!$question->id = $DB->insert_record("question", $question)) {
- print_error('cannotinsertquestion', 'question');
- }
- $this->questionids[] = $question->id;
- // Now to save all the answers and type-specific options
- $result = save_question_options($question);
- if (!empty($result->error)) {
- notify($result->error);
- $this->deletedatabase($filename);
- return false;
- }
- if (!empty($result->notice)) {
- notify($result->notice);
- $this->deletedatabase($filename);
- return true;
- }
- // Give the question a unique version stamp determined by question_hash()
- $DB->set_field('question', 'version', question_hash($question), array('id', $question->id));
- }
- $this->deletedatabase($filename);
- return true;
- }
-
- function importpostprocess() {
- return true;
- }
-
- function deletedatabase($filename) {
- if (! $this->fulldelete($filename)) {
- echo "<br />Error: Could not delete: $filename";
- return false;
- }
- return true;
- }
-
- function getquestions($filename, $category, $mdapath="", $hostname="") {
- if (($category == "allcategories") or ($category == "")) {
- $sql = "SELECT * FROM TBQuestions";
- } else {
- $sql = "SELECT * FROM TBQuestions where module = '".$category."'";
- }
- if (PHP_OS == "WINNT") {
- $ldb =& $this->connect_win($filename);
- $qset = $ldb->Execute("$sql");
- if ( !$qset->EOF ) {
- $records = $qset->GetAssoc(true);
- } else {
- $this->err("There were no records in the database.",$dsn);
- $ldb->Close();
- return false;
- }
- $ldb->Close();
- } else { // if PHP_OS == WINNT
- // we have a linux installation
- $result = $this->query_linux($sql,$filename, $mdapath,$hostname);
- if ( count($result) > 0 ) {
- // get rid of the ID field in the first column.
- for($i=0;$i<count($result);$i++) {
- foreach (array_keys($result[$i]) as $j) {
- $records[$i][$j-1] = $result[$i][$j];
- }
- }
- } else {
- $this->err("There were no records in the database.",$dsn);
- $ldb->Close();
- return false;
- }
- // xml test and connect
- } // PHP_OS TEST
- return $records;
- }
-
- function getquestioncategories($filename, $mdapath="", $hostname="") {
- global $CFG, $result;
- $sql = "SELECT Distinct module FROM TBQuestions";
- if (PHP_OS == "WINNT") {
- $ldb =& $this->connect_win($filename);
- $qset = $ldb->Execute("$sql");
- if ( !$qset->EOF ) {
- $records = $qset->GetArray(true);
- foreach ($records as $record) {
- $categories[$record[0]] = $record[0];
- }
- } else { // if recordcount
- $this->err("There were no records in the database.",$dsn);
- $ldb->Close();
- return false;
- }
- $ldb->Close();
- } else { // if PHP_OS == WINNT
- // we have a linux installation
- $result = $this->query_linux($sql, $filename, $mdapath, $hostname);
- for($i=0;$i<count($result);$i++) {
- $categories[$result[$i][0]] = $result[$i][0];
- }
- } // PHP_OS TEST
- return $categories;
- }
-
- function query_linux($sql, $mdbpath, $mdapath, $hostname) {
- global $result;
- include_once("odbcsocketserver.class.php");
- // set up socket server object to connect to remote host
- $oTest = new ODBCSocketServer;
- //Set the Hostname, port, and connection string
- $oTest->sHostName = $hostname;
- $oTest->nPort = 9628;
-// $oTest->sConnectionString="DRIVER=Microsoft Access Driver (*.mdb);SystemDB=C:\CTM\System.mda;DBQ=C:\CTM\of2K3\ctm.mdb;UID=Assess;PWD=VBMango;";
- $oTest->sConnectionString="DRIVER=Microsoft Access Driver (*.mdb);SystemDB=".
- $mdapath.";DBQ=".$mdbpath.";UID=Assess;PWD=VBMango;";
- // send and receive XML communication
- $qResult = $oTest->ExecSQL($sql);
- // set up XML parser to read the results
- $xml_parser = xml_parser_create("US-ASCII");
- xml_set_element_handler($xml_parser, "quiz_xmlstart", "quiz_xmlend");
- xml_set_character_data_handler($xml_parser, "quiz_xmldata");
- // parse the XML and get back the result set array
- if (!xml_parse($xml_parser, $qResult)) {
- $this->err("XML error: ".xml_error_string(xml_get_error_code($xml_parser))
- ." at line ".xml_get_current_line_number($xml_parser),$oTest->sConnectionString);
- return false;
- } else {
-// echo("Successful XML parse. ");
- // prepare the array for use in the pull-down
-/* echo "<br />count of rows is ". count ($result);
- echo "<pre>\n";
- $qResult = HtmlSpecialChars($qResult);
- echo $qResult;
- echo "\n</pre>";
-*/
- xml_parser_free($xml_parser);
-// $sResult = HtmlSpecialChars($qResult);
- //echo("<pre>");
-// echo($sResult);
-// echo("</pre>");
-
- return $result;
- }
- }
-
- function connect_win($filename) {
- global $CFG, $systemdb;
- // first, verify the location of System.mda
- if (!isset($systemdb)) {
- $systemdb=$this->findfile("System.mda");
- }
- if (! $systemdb) {
- $this->err("The system database System.mda cannot be found. Check that you've uploaded it to the course.",$dsn);
- die;
- }
-
- $ldb = &ADONewConnection('access');
- $dsn="DRIVER=Microsoft Access Driver (*.mdb);SystemDB=".$systemdb.";DBQ=".$filename.";UID=Assess;PWD=VBMango;";
- $dbconnected = $ldb->Connect($dsn);
- if (! $dbconnected) {
- $this->err("Moodle could not connect to the database.",$dsn);
- die;
- }
- return $ldb;
- }
-
- function err($message, $dsn) {
- echo "<font color=\"#990000\">";
- echo "<p>Error: $message</p>";
- echo "<p>ODBC File DSN: $dsn<br />";
- echo "</font>";
- }
-
- function fulldelete($location) {
- if (is_dir($location)) {
- $currdir = opendir($location);
- while (false !== ($file = readdir($currdir))) {
- if ($file <> ".." && $file <> ".") {
- $fullfile = $location."/".$file;
- if (is_dir($fullfile)) {
- if (!fulldelete($fullfile)) {
- return false;
- }
- } else {
- if (!unlink($fullfile)) {
- return false;
- }
- }
- }
- }
- closedir($currdir);
- if (! rmdir($location)) {
- return false;
- }
-
- } else {
- if (!unlink($location)) {
- return false;
- }
- }
- return true;
- }
-
-
- function findfile($filename) {
- global $CFG;
- $dirs = $this->getcoursedirs();
- $dirs[] = $CFG->dirroot."\mod\quiz\format";
- foreach ($dirs as $dir) {
- $file = $dir . "\System.mda";
- // look for System.mda
- if (is_file($file)) return $file;
- }
- return false;
- }
-
- function getcoursedirs() {
- global $CFG, $DB;
- // for every course in the system, find the root of the data directory
- $courses = $DB->get_records_sql("select distinct id,fullname from {course}");
- $dirs = array();
- if ($courses) {
- foreach ($courses as $course) {
- $dir = $CFG->dataroot . "/" . $course->id;
- if (is_dir($dir)) {
- $dirs[] = $dir;
- }
- }
- }
- return $dirs;
- }
-} // END OF CLASS
-
- //Handler for starting elements
- function quiz_xmlstart($parser, $name, $attribs) {
- global $result,$row, $col, $incolumn;
- $name = strtolower($name);
- switch ($name) {
- case "row":
- $col=0;break;
- case "column":
- $incolumn = 1;break;
- case "error":
- break;
- case "result":
- $row = 0; break;
- } // switch
- }
-
- //handler for the end of elements
- function quiz_xmlend($parser, $name) {
- global $result, $row, $col, $incolumn;
- $name = strtolower($name);
- switch ($name) {
- case "row":
- $row++;break;
- case "column":
- $incolumn = 0;
- $col++;
- break;
- case "error":
- break;
- case "result":
- break;
- } // switch
- } // function
-
- //handler for character data
- function quiz_xmldata($parser, $data) {
- global $result, $row, $col, $incolumn;
- if ($incolumn) {
- $result[$row][$col] = $result[$row][$col] . $data;
- }
- }
-
-?>
projects / moodle.git / commitdiff