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1282 lines
60 KiB
1282 lines
60 KiB
<?php
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/* For licensing terms, see /license.txt */
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/**
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* Chamilo LMS
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* Script handling the migration between an old Dokeos platform (<1.8.0) to
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* setup the new database system (4 scorm tables inside the course's database)
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* @package chamilo.scorm
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* @author Yannick Warnier <ywarnier@beeznest.org>
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*/
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/**
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* Include mandatory libraries
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*/
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require_once api_get_path(LIBRARY_PATH).'document.lib.php';
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require_once api_get_path(LIBRARY_PATH).'fileManage.lib.php'; //check_name_exists()
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require_once api_get_path(SYS_CODE_PATH).'newscorm/learnpath.class.php';
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require_once api_get_path(SYS_CODE_PATH).'newscorm/scorm.class.php';
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$loglevel = 0;
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// Get table prefix from $prefix variable declared in update-db-....inc.php
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$table_prefix = $prefix;
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$sys_course_path = $pathForm.'courses/';
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$upd_course_path = $proposedUpdatePath.'courses/';
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function my_get_time($time) {
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$matches = array();
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if (preg_match('/(\d{1,4}):(\d{2})(:(\d{2})(\.\d*)?)?/', $time, $matches)) {
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if (count($matches) == 3) {
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return ($matches[1] * 60) + ($matches[2]);
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} else {
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return ($matches[1] * 3600) + ($matches[2] * 60) + ($matches[4]);
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}
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}
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else return 0;
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}
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// Open log file
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$fh = fopen(api_get_path(SYS_ARCHIVE_PATH).'newscorm_'.time().'.log', 'w');
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$fh_revert = fopen(api_get_path(SYS_ARCHIVE_PATH).'newscorm_'.time().'_revert.log', 'w');
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$fh_res = fopen(api_get_path(SYS_ARCHIVE_PATH).'newscorm_'.time().'_res.log', 'w');
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fwrite($fh, "-- Recording course homepages links changes to enable reverting\n");
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fwrite($fh_revert, "-- Recording reverted course homepages links changes to enable reverting\n");
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fwrite($fh_res, "-- Recording resulting course homepages links changes\n");
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//echo "<html><body>";
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/**
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* New tables definition:
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*/
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$new_lp = 'lp';
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$new_lp_view = 'lp_view';
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$new_lp_item = 'lp_item';
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$new_lp_item_view = 'lp_item_view';
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$new_lp_type = 'lp_type';
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$max_dsp_lp = 0;
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$courses_list = array();
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$courses_id_list = array();
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$courses_id_full_table_prefix_list = array();
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$courses_dir_list = array();
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Database::select_db($dbNameForm);
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$sql = "SELECT * FROM course";
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$res = Database::query($sql);
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while ($row = Database::fetch_array($res)) {
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$course_pref = $table_prefix;
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if ($singleDbForm) {
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$dbname = $_configuration['main_database'].'.'.$course_pref.$row['db_name'].'_';
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} else {
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$dbname = $row['db_name'].'.'.$course_pref;
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}
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$courses_list[] = $row['db_name'];
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$courses_id_list[$row['code']] = $row['db_name'];
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$courses_id_full_table_prefix_list[$row['code']] = $dbname;
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$courses_dir_list[$row['code']] = $row['directory'];
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}
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if ($loglevel > 0) { error_log("Tables created/deleted for all courses", 0); }
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/**
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* The migration needs to take all data from the original learnpath tables and add them to the new
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* lp, lp_view, lp_item and lp_item_view tables
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*/
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// MIGRATING LEARNPATHS
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// Test only one course
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foreach ($courses_id_full_table_prefix_list as $course_code => $db) {
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if (strlen($courses_id_list[$course_code]) > 40) {
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error_log('Database '.$courses_id_list[$course_code].' is too long, skipping', 0);
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continue;
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}
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$incoherences = 0;
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if ($loglevel > 0) { error_log("Now starting migration of learnpath tables from $db database...", 0); }
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$lp_doc = $db.TABLE_DOCUMENT;
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$lp_main = $db.TABLE_LEARNPATH_MAIN;
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$lp_ids = array();
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$lp_user = $db.TABLE_LEARNPATH_USER;
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$lp_users = array();
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$lp_chap = $db.TABLE_LEARNPATH_CHAPTER;
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$parent_chaps = array();
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$lp_chap_items = array();
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$ordered_chaps = array();
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$lp_item = $db.TABLE_LEARNPATH_ITEM;
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$lp_items = array();
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$lp_ordered_items = array();
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$parent_lps = array(); //keeps a track of chapter's learnpath ids
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$my_new_lp = $db.$new_lp;
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$my_new_lp_item = $db.$new_lp_item;
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$my_new_lp_view = $db.$new_lp_view;
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$my_new_lp_item_view = $db.$new_lp_item_view;
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// Migrate learnpaths
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$sql_test = "SELECT * FROM $my_new_lp";
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$res_test = Database::query($sql_test);
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$sql_lp = "SELECT * FROM $lp_main";
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if ($loglevel > 1) { error_log("$sql_lp", 0); }
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$res_lp = Database::query($sql_lp);
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if (!$res_lp or !$res_test) {
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if ($loglevel > 1) {
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error_log("+++Problem querying DB $lp_main+++ skipping (".Database::error().")", 0);
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if (!$res_test) {
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error_log("This might be due to no existing table in the destination course", 0);
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}
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}
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continue;
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}
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$dsp_ord = 1;
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while ($row = Database::fetch_array($res_lp)) {
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//echo "Treating lp id : ".$row['learnpath_id']."<br />\n";
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$ins_lp_sql = "INSERT INTO $my_new_lp (lp_type,name,description,display_order,content_maker) " .
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"VALUES (1," .
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"'".Database::escape_string($row['learnpath_name'])."'," .
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"'".Database::escape_string($row['learnpath_description'])."',$dsp_ord,'Dokeos')";
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$ins_lp_res = Database::query($ins_lp_sql);
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$in_id = Database::insert_id();
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if (empty($in_id) or $in_id == false) die('Could not insert lp: '.$ins_lp_sql);
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$lp_ids[$row['learnpath_id']] = $in_id;
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$dsp_ord++;
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$max_dsp_lp = $dsp_ord;
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}
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//echo "<pre>lp_ids:".print_r($lp_ids,true)."</pre>\n";
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// MIGRATING LEARNPATH CHAPTERS
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$sql_lp_chap = "ALTER TABLE $lp_chap ADD INDEX ( parent_chapter_id, display_order )";
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$res_lp_chap = Database::query($sql_lp_chap);
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$sql_lp_chap = "SELECT * FROM $lp_chap ORDER BY parent_chapter_id, display_order";
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//echo "$sql_lp_chap<br />\n";
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$res_lp_chap = Database::query($sql_lp_chap);
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while ($row = Database::fetch_array($res_lp_chap)) {
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//echo "Treating chapter id : ".$row['id']."<br />\n";
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//TODO: Build path for this chapter (although there is no real path for any chapter)
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//TODO: Find out how to calculate the "next_item_id" with the "ordre" field
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$my_lp_item = $my_new_lp_item;
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$myname = Database::escape_string($row['chapter_name']);
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$mydesc = Database::escape_string($row['chapter_description']);
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$ins_lp_sql = "INSERT INTO $my_new_lp_item (" .
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"lp_id," .
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"item_type," .
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"title," .
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"description," .
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"path, " .
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"display_order, " .
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"next_item_id) " .
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"VALUES (" .
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"'".$lp_ids[$row['learnpath_id']]."'," . //insert new learnpath ID
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"'dokeos_chapter'," .
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"'".$myname."'," .
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"'".$mydesc."'," .
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"''," .
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$row['display_order'].", " .
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"123456" .
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")";
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//echo $ins_lp_sql."<br />\n";
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$ins_res = Database::query($ins_lp_sql);
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$in_id = Database::insert_id();
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//echo " Inserted item $in_id<br />\n";
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if (empty($in_id) OR $in_id == false) die('Could not insert lp: '.$ins_sql);
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$parent_chaps[$row['id']] = $row['parent_chapter_id'];
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$lp_chap_items[$row['id']] = $in_id;
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$parent_lps[$row['id']] = $row['learnpath_id'];
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$ordered_chaps[$row['parent_chapter_id']][$row['display_order']] = $in_id;
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$lp_chaps_list[$row['learnpath_id']][] = $in_id;
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}
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//echo "<pre>parent_lps:".print_r($parent_lps,true)."</pre>\n";
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// Now one loop to update the parent_chapter_ids
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foreach ($parent_chaps as $old_chap => $old_parent_chap) {
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if ($old_parent_chap != 0) {
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$new_chap = $lp_chap_items[$old_chap];
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$new_parent = $lp_chap_items[$old_parent_chap];
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if (isset($new_chap) && $new_chap != '' && isset($new_parent) && $new_parent != '') {
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$sql_par_chap = "UPDATE $my_new_lp_item " .
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"SET parent_item_id = $new_parent " .
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"WHERE id = $new_chap";
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$res_par_chap = Database::query($sql_par_chap);
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}
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}
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}
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unset($parent_chaps);
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// Now one loop to set the next_item_id and the previous_item_id
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foreach ($ordered_chaps as $parent_chap) {
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$last = 0;
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foreach ($ordered_chaps[$parent_chap] as $order => $new_id) {
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$sql_upd_chaps = "UPDATE $my_new_lp_item " .
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"SET previous_item_id = $last " .
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"WHERE id = $new_id";
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$res_upd_chaps = Database::query($sql_upd_chaps);
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$next = 0;
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if (!empty($ordered_chaps[$parent_chap][$order + 1])) {
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$next = $ordered_chaps[$parent_chap][$order + 1];
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}
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$sql_upd_chaps = "UPDATE $my_new_lp_item " .
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"SET next_item_id = $next " .
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"WHERE id = $new_id";
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$res_upd_chaps = Database::query($sql_upd_chaps);
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$last = $new_id;
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}
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}
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unset($ordered_chaps);
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// Migrate learnpath_items
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// TODO: Define this array thanks to types defined in the learnpath_building scripts
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// TODO: Set order correctly
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$type_trans = array(
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'document' => TOOL_DOCUMENT,
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'exercise' => TOOL_QUIZ,
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'forum' => TOOL_FORUM,
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'Agenda' => TOOL_CALENDAR_EVENT,
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'Ad_Valvas' => TOOL_ANNOUNCEMENT,
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'Link' => TOOL_LINK,
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'Link _blank' => TOOL_LINK,
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'Exercise' => TOOL_QUIZ,
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'HotPotatoes'=> 'HotPotatoes',
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'Forum' => TOOL_FORUM,
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'Thread' => TOOL_THREAD,
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'Topic' => TOOL_THREAD,
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'Post' => TOOL_POST,
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'Document' => TOOL_DOCUMENT,
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'Assignments'=> 'Assignments',
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'Dropbox' => TOOL_DROPBOX,
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'Introduction_text'=> 'Introduction_text',
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'Course_description' => TOOL_COURSE_DESCRIPTION,
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'Groups' => TOOL_GROUP,
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'Users' => TOOL_USER,
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//'chapter' => 'dokeos_chapter', Chapters should all be in learnpath_chapter, no matter the nesting level
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);
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// MIGRATING LEARNPATH ITEMS
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$sql_lp_item = "ALTER TABLE $lp_item ADD INDEX ( chapter_id, display_order)";
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$res_lp_item = Database::query($sql_lp_item);
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$sql_lp_item = "SELECT * FROM $lp_item ORDER BY chapter_id, display_order";
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//echo "$sql_lp_item<br />\n";
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$res_lp_item = Database::query($sql_lp_item);
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while ($row = Database::fetch_array($res_lp_item)) {
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//echo "Treating chapter ".$row['chapter_id'].", item ".$row['id']."<br />\n";
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$type = $type_trans[$row['item_type']];
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$ref = $row['item_id'];
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//TODO: Build item path
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//TODO: Calculate "next_item_id" with the "ordre" field
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// Prepare prereqs
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// Prerequisites in Dokeos 1.6 is only authorised on previous items, so
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// We know that we are gonna talk about an item that has already been passed
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// through here - if none found, print message
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$prereq_id = '';
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if (!empty($row['prereq_id'])) {
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switch ($row['prereq_type']) {
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case 'c':
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// chapter-type prereq
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$prereq_id = $lp_chap_items[$row['prereq_id']];
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if (empty($prereq_id) && $loglevel > 1) { error_log("Could not find prereq chapter ".$row['prereq_id'], 0); }
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break;
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case 'i':
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default:
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// item type prereq
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$prereq_id = $lp_items[$parent_lps[$row['chapter_id']]][$row['prereq_id']];
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if (empty($prereq_id) && $loglevel > 1) { error_log("Could not find prereq item ".$row['prereq_id'], 0); }
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break;
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}
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}
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$my_parent_id = 0;
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if (isset($lp_chap_items[$row['chapter_id']])) {
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$my_parent_id = $lp_chap_items[$row['chapter_id']];
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}
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$title = '';
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if (empty($row['title']) && $type == 'Document' && !empty($row['item_id'])) {
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$my_sql_doctitle = "SELECT title FROM $lp_doc WHERE id = ".$row['item_id'];
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$my_res_doctitle = Database::query($my_sql_doctitle);
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if ($row_doctitle = Database::fetch_array($my_res_doctitle)) {
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$title = $row_doctitle['title'];
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} else {
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$title = '-';
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}
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} else {
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$title = $row['title'];
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}
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if (isset($lp_ids[$parent_lps[$row['chapter_id']]])) {
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// If there is a parent learnpath
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$ins_lp_sql = "INSERT INTO $my_new_lp_item (" .
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"lp_id," .
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"item_type," .
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"ref, " .
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"title," .
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"description," .
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"path, " .
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"parent_item_id," .
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"prerequisite," .
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"display_order" .
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") VALUES (" .
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"'".$lp_ids[$parent_lps[$row['chapter_id']]]."'," . // Insert new learnpath ID
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"'$type'," .
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"'$ref', " .
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"'".Database::escape_string($row['title'])."'," .
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"'".Database::escape_string($row['description'])."'," .
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"'$ref'," .
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"".$my_parent_id."," .
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"'$prereq_id'," .
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$row['display_order']." " .
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")";
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$ins_res = Database::query($ins_lp_sql);
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$in_id = Database::insert_id();
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//echo " Inserted item $in_id (".$row['title'].")<br />\n";
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if (empty($in_id) OR $in_id == false) die('Could not insert lp_item: '.$ins_sql);
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$lp_items[$parent_lps[$row['chapter_id']]][$row['id']] = $in_id;
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$lp_ordered_items[$parent_lps[$row['chapter_id']]][$row['chapter_id']][] = $in_id;
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}
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}
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//echo "<pre>lp_items:".print_r($lp_items,true)."</pre>\n";
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// Complete next_item_id field by going through the new table and looking at parent_id and display_order
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$order_sql = "ALTER TABLE $my_new_lp_item ADD INDEX (lp_id, parent_item_id, display_order)";
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$order_res = Database::query($order_sql);
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$order_sql = "SELECT * FROM $my_new_lp_item ORDER by lp_id ASC, parent_item_id ASC, display_order ASC";
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//echo "$order_sql<br />\n";
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$order_res = Database::query($order_sql);
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$order_item = array(); //this will contain a sequential list of item_id's, thus allowing to give a simple way to get next id...
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$lp_id = 0;
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//echo "<pre>";
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while ($row = Database::fetch_array($order_res)) {
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//print_r($row);
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if ($row['lp_id'] != $lp_id) {
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// Apply changes to the database and clean tool arrays
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$last = 0;
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foreach ($order_item as $order_id => $item_id) {
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$next = 0;
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if (!empty($order_item[$order_id+1])) {
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$next = $order_item[$order_id+1];
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}
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$upd = "UPDATE $my_new_lp_item " .
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"SET next_item_id = ".$next."," .
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" previous_item_id = ".$last." " .
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"WHERE id = ".$item_id;
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//echo "$upd<br />\n";
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Database::query($upd);
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$last = $item_id;
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}
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$order_item = array();
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$lp_id = $row['lp_id'];
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$order_item[] = $row['id'];
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} else {
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$order_item[] = $row['id'];
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}
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}
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// Process the last LP stack
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$last = 0;
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foreach ($order_item as $order_id => $item_id) {
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$next = 0;
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if (!empty($order_item[$order_id + 1])) {
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$next = $order_item[$order_id + 1];
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}
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$upd = "UPDATE $my_new_lp_item " .
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"SET next_item_id = ".$next."," .
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" previous_item_id = ".$last." " .
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"WHERE id = ".$item_id;
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//echo "$upd<br />\n";
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Database::query($upd);
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$last = $item_id;
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}
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//echo "</pre>\n";
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// MIGRATING THE learnpath_user TABLE (results)
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$mysql = "ALTER TABLE $my_new_lp_item_view ADD INDEX (lp_view_id)";
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$myres = Database::query($mysql);
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$sql_lp_user = "ALTER TABLE $lp_user ADD INDEX (user_id, learnpath_id, learnpath_item_id)";
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$res_lp_user = Database::query($sql_lp_user);
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$sql_lp_user = "SELECT * FROM $lp_user ORDER BY user_id, learnpath_id, learnpath_item_id";
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//echo "$sql_lp_user<br />\n";
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$res_lp_user = Database::query($sql_lp_user);
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$user_id = 0;
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$learnpath_id = 0;
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$lp_view = 0;
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while ($row = Database::fetch_array($res_lp_user)) {
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if ($row['user_id']!=$user_id OR $row['learnpath_id']!=$learnpath_id) { //the user has changed or this is the first
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// Insert a new lp_view
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$last = 0;
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if (!empty($lp_chaps_list[$row['learnpath_id']][0])) {
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$last = $lp_chaps_list[$row['learnpath_id']][0];
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}
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if (empty($lp_ids[$row['learnpath_id']])) {
|
|
// This can be ignored as it means there was an LP before, this user
|
|
// used it, but now it's been removed
|
|
//echo "Somehow we also miss a lp_ids[".$row['learnpath_id']."] here<br />\n";
|
|
$incoherences ++;
|
|
} else {
|
|
$mylpid = $lp_ids[$row['learnpath_id']];
|
|
$sql_ins_view = "INSERT INTO $my_new_lp_view(" .
|
|
"lp_id," .
|
|
"user_id," .
|
|
"view_count," .
|
|
"last_item" .
|
|
")VALUES(" .
|
|
"".$mylpid."," . // new learnpath id
|
|
"".$row['user_id']."," . // user IDs stay the same
|
|
"1," .
|
|
"".$last."" . // Use the first chapter from this learnpath
|
|
")";
|
|
//echo $sql_ins_view;
|
|
$res_ins_view = Database::query($sql_ins_view);
|
|
$in_id = Database::insert_id();
|
|
$user_id = $row['user_id'];
|
|
$learnpath_id = $row['learnpath_id'];
|
|
$lp_view = $in_id;
|
|
}
|
|
}
|
|
// Insert the record into lp_item_view
|
|
// TODO: fix the whole in here (missing one item at least)
|
|
$my_new_lp_item_id = $lp_items[$learnpath_id][$row['learnpath_item_id']];
|
|
if (empty($my_new_lp_item_id)) {
|
|
// This can be ignored safely as it just means a user used a learnpath_item
|
|
// before it was removed from items - maybe fix that in Dokeos?
|
|
//echo "Somehow we miss lp_items[".$learnpath_id."][".$row['learnpath_item_id']."] here...<br />";
|
|
$incoherences ++;
|
|
} else {
|
|
$start_time = 0;
|
|
$my_time = my_get_time($row['time']);
|
|
if ($my_time > 0) {
|
|
$start_time = time() - $my_time;
|
|
}
|
|
$sql_ins_iv = "INSERT INTO $my_new_lp_item_view(" .
|
|
"lp_item_id," .
|
|
"lp_view_id," .
|
|
"view_count," .
|
|
"start_time," .
|
|
"total_time," .
|
|
"score," .
|
|
"status" .
|
|
")VALUES(" .
|
|
"".$lp_items[$learnpath_id][$row['learnpath_item_id']]."," .
|
|
"".$lp_view."," .
|
|
"1," .
|
|
"$start_time," .
|
|
"".$my_time."," .
|
|
"".$row['score']."," .
|
|
"'".$row['status']."'" .
|
|
")";
|
|
//echo $sql_ins_iv;
|
|
$res_ins_iv = Database::query($sql_ins_iv);
|
|
}
|
|
// UPDATE THE LP_VIEW progress
|
|
$mysql = "SELECT count(distinct(lp_item_id)) FROM $my_new_lp_item_view WHERE lp_view_id = ".$lp_view." AND status IN ('passed','completed','succeeded','browsed','failed')";
|
|
$myres = Database::query($mysql);
|
|
$myrow = Database::fetch_array($myres);
|
|
$completed = $myrow[0];
|
|
$mylpid = $lp_ids[$row['learnpath_id']];
|
|
$sql = "SELECT count(*) FROM $my_new_lp_item WHERE lp_id = '".$mylpid."'";
|
|
$myres = Database::query($sql);
|
|
$myrow = Database::fetch_array($myres);
|
|
$total = $myrow[0];
|
|
$progress = ((float)$completed / (float)$total) * 100;
|
|
$progress = number_format($progress, 0);
|
|
$sql = "UPDATE $my_new_lp_view SET progress = '$progress' WHERE id = '$lp_view'";
|
|
$myres = Database::query($sql);
|
|
}
|
|
|
|
/**
|
|
* Move prerequisites
|
|
* TODO: Integrate prerequisites migration into learnpath_item migration
|
|
*/
|
|
|
|
$msg = '';
|
|
if ($incoherences > 0) {
|
|
$msg = "(found $incoherences incoherences between views and items - ignored)";
|
|
}
|
|
/**
|
|
* Migrate links on the homepage as well now (look into the TABLE_TOOL_LIST table and
|
|
* update the links to newscorm/lp_controller.php?action=view&lp_id=x)
|
|
* Only normal learnpaths were visible from the homepage so we only need to update here
|
|
*/
|
|
// MIGRATING LEARNPATH LINKS ON COURSES HOMEPAGES
|
|
$tbl_tool = $db.TABLE_TOOL_LIST;
|
|
$sql_tool = "SELECT * FROM $tbl_tool WHERE image='scormbuilder.gif' AND link LIKE '%learnpath_handler%'";
|
|
$res_tool = Database::query($sql_tool);
|
|
while ($row_tool = Database::fetch_array($res_tool)) {
|
|
$name = $row_tool['name'];
|
|
$link = $row_tool['link'];
|
|
// Get old lp_id from there
|
|
$matches = array();
|
|
if (preg_match('/learnpath_id=(\d+)$/', $link,$matches)) {
|
|
$old_lp_id = $matches[1];
|
|
$new_lp_id = $lp_ids[$old_lp_id];
|
|
$sql_tool_upd = "UPDATE $tbl_tool " .
|
|
"SET link='newscorm/lp_controller.php?action=view&lp_id=$new_lp_id' " .
|
|
"WHERE id = ".$row_tool['id'];
|
|
error_log('New LP - Migration - Updating tool table: '.$sql_tool_upd, 0);
|
|
// Make sure there is a way of retrieving which links were updated (to revert)
|
|
fwrite($fh,$sql_tool_upd." AND link ='$link'");
|
|
fwrite($fh_revert, "UPDATE $tbl_tool SET link='$link' WHERE id=".$row_tool['id']." AND link ='newscorm/lp_controller.php?action=view&lp_id=$new_lp_id';\n");
|
|
//echo $sql_tool_upd." (and link='$link')<br />\n";
|
|
$res_tool_upd = Database::query($sql_tool_upd);
|
|
}
|
|
}
|
|
|
|
$tbl_tool = $db.TABLE_TOOL_LIST;
|
|
$sql_tool = "SELECT * FROM $tbl_tool";
|
|
$res_tool = Database::query($sql_tool);
|
|
while ($row_tool = Database::fetch_array($res_tool)) {
|
|
$link = $row_tool['link'];
|
|
$matches = array();
|
|
$pattern = '@scorm/showinframes\.php([^\s"\'&]*)(&|&)file=([^\s"\'&]*)@';
|
|
if (preg_match($pattern, $link, $matches)) {
|
|
//echo "Found match for scorm link in $tbl_tool: $link<br />";
|
|
if (!empty($matches[3]) && (strtolower(substr($matches[3], -15)) == 'imsmanifest.xml') && !is_file(realpath(urldecode($matches[3])))) {
|
|
//echo "Removing link $link from tools<br />";
|
|
$sql_tool_upd = "DELETE FROM $tbl_tool WHERE id = ".$row_tool['id'];
|
|
error_log('New LP - Migration - Updating tool table (dead link): '.$sql_tool_upd, 0);
|
|
// Make sure there is a way of retrieving which links were updated (to revert)
|
|
fwrite($fh, $sql_tool_upd." AND link ='$link'");
|
|
fwrite($fh_revert, "INSERT INTO $tbl_tool (link) VALUES ('$link');\n");
|
|
//echo $sql_tool_upd." (and link='$link')<br />\n";
|
|
$res_tool_upd = Database::query($sql_tool_upd);
|
|
}
|
|
} else {
|
|
//echo "No scorm link found in tool link $link<br />";
|
|
}
|
|
//flush();
|
|
}
|
|
/**
|
|
* Update course description (intro page) to use new links instead of learnpath/learnpath_handler.php
|
|
*/
|
|
$tbl_intro = $db.TABLE_TOOL_INTRO;
|
|
$sql_i = "SELECT * FROM $tbl_intro WHERE id='course_homepage'";
|
|
$res_i = Database::query($sql_i);
|
|
//$link_to_course1 = 'scorm/scormdocument.php';
|
|
while ($row_i = Database::fetch_array($res_i)) {
|
|
$intro = $row_i['intro_text'];
|
|
$update = 0;
|
|
$out = array();
|
|
if (preg_match_all('/claroline\/learnpath\/showinframes\.php([^\s"\']*)learnpath_id=(\d*)/', $intro, $out, PREG_SET_ORDER)) {
|
|
foreach ($out as $results) {
|
|
//echo "---> replace ".'/learnpath\/showinframes\.php([^\s"\']*)learnpath_id='.$results[2].'/ by newscorm/lp_controller.php'.$results[1].'action=view&lp_id='.$lp_ids[$results[2]];
|
|
$intro = preg_replace('/claroline\/learnpath\/showinframes\.php([^\s"\']*)learnpath_id='.$results[2].'/','main/newscorm/lp_controller.php'.$results[1].'action=view&lp_id='.$lp_ids[$results[2]], $intro);
|
|
}
|
|
}
|
|
if (preg_match_all('/claroline\/phpbb\/index.php/', $intro, $out, PREG_SET_ORDER)) {
|
|
foreach ($out as $results) {
|
|
$intro = preg_replace('/claroline\/phpbb\/index\.php([^\s"\']*)/','main/forum/index.php'.$results[1], $intro);
|
|
}
|
|
}
|
|
if ($intrp != $row_i['intro_text']) {
|
|
//echo "<pre>Replacing ".$row_i['intro_text']."\n by \n ".$intro."</pre><br />\n";
|
|
$sql_upd = "update $tbl_intro set intro_text = '".Database::escape_string($intro)."' WHERE id = 'course_homepage' AND intro_text = '".Database::escape_string($row_i['intro_text'])."'";
|
|
//echo $sql_upd."<br />\n";
|
|
fwrite($fh,"$sql_upd\n");
|
|
fwrite($fh_revert,"UPDATE $tbl_intro set intro_text = '".$row_i['intro_text']."' WHERE id = 'course_homepage' AND intro_text = '$intro';\n");
|
|
fwrite($fh_res,"$intro\n");
|
|
Database::query($sql_upd);
|
|
}
|
|
}
|
|
|
|
if ($loglevel > 0) { error_log("Done!".$msg, 0); }
|
|
//flush();
|
|
//ob_flush();
|
|
}
|
|
|
|
unset($lp_ids);
|
|
unset($lp_users);
|
|
unset($parent_chaps);
|
|
unset($lp_chap_items);
|
|
unset($ordered_chaps);
|
|
unset($lp_items);
|
|
unset($lp_ordered_items);
|
|
unset($parent_lps);
|
|
|
|
fwrite($fh, "-- Recording course homepages links changes for SCORM to enable reverting\n");
|
|
fwrite($fh_revert, "-- Recording reverted course homepages links changes for SCORM to enable reverting\n");
|
|
fwrite($fh_res, "-- Recording resulting course homepages links changes for SCORM\n");
|
|
|
|
/**
|
|
* SCORM
|
|
* The migration needs to take all data from the scorm.scorm_main and scorm.scorm_sco_data tables
|
|
* and add them to the new lp, lp_view, lp_item and lp_item_view tables.
|
|
*/
|
|
if ($loglevel > 0) { error_log("Now starting migration of scorm tables from global SCORM database", 0); }
|
|
|
|
$scorm_main = $dbScormForm.'.'.TABLE_SCORM_MAIN;
|
|
$scorm_item = $dbScormForm.'.'.TABLE_SCORM_SCO_DATA;
|
|
//$lp_main = Database::get_course_table(TABLE_LEARNPATH_MAIN,$db);
|
|
$course_pref = $table_prefix;
|
|
$lp_ids = array();
|
|
$lp_item_ids = array();
|
|
$lp_item_refs = array();
|
|
$lp_course = array();
|
|
$lp_course_code = array();
|
|
$scorm_lp_paths = array();
|
|
|
|
// Avoid empty dokeosCourse fields as they potentially break the rest
|
|
Database::select_db($dbNameForm);
|
|
$course_main = TABLE_MAIN_COURSE;
|
|
$sql_crs = "SELECT * FROM $course_main WHERE target_course_code IS NULL";
|
|
if ($loglevel > 0) { error_log("$sql_crs", 0); }
|
|
$res_crs = Database::query($sql_crs);
|
|
$num = Database::num_rows($res_crs);
|
|
|
|
// Prepare an array that will contain course codes and for each course code a list of lps [by path prefixed by '/']
|
|
$scorms = array();
|
|
$course_code_swap = '';
|
|
$scormdocuments_lps = array();
|
|
while ($course_row = Database::fetch_array($res_crs)) {
|
|
|
|
if ($loglevel > 0) { error_log("Now dealing with course ".$course_row['code']."...", 0); }
|
|
// Check the validity of this new course
|
|
$my_course_code = $course_row['code'];
|
|
|
|
// Reinit the scormdocuments list
|
|
//$scormdocuments_lps = array();
|
|
$db_name = $courses_id_full_table_prefix_list[$my_course_code];
|
|
if (strlen($courses_id_list[$course_code]) > 40) {
|
|
error_log('Database '.$courses_id_list[$course_code].' is too long, skipping', 0);
|
|
continue;
|
|
}
|
|
|
|
//echo "Now processing database $db_name<br />";
|
|
$tblscodoc = $db_name.TABLE_SCORMDOC;
|
|
$sql_scodoc = "SELECT path FROM $tblscodoc WHERE path IS NOT NULL AND path != ''";
|
|
if ($loglevel > 1) { error_log("$sql_scodoc", 0); }
|
|
$res_scodoc = Database::query($sql_scodoc);
|
|
while ($row_scodoc = Database::fetch_array($res_scodoc)) {
|
|
|
|
// Check if there's more than one slash in total
|
|
if (strpos($row_scodoc['path'], '/', 1) === false) {
|
|
$tmp_path = $row_scodoc['path'];
|
|
if ($loglevel > 1) { error_log("++Now opening $tmp_path", 0); }
|
|
|
|
// Add a prefixing slash if there is none
|
|
if (substr($tmp_path, 0, 1) != '/') {
|
|
$tmp_path = '/'.$tmp_path;
|
|
}
|
|
|
|
// If the path is just a slash, empty it
|
|
if ($tmp_path == '/') {
|
|
$tmp_path = '';
|
|
}
|
|
|
|
// There is only one 'slash' sign at the beginning, or none at all, so we assume
|
|
// it is a main directory that should be taken as path.
|
|
$courses_dir = $sys_course_path.''.$courses_dir_list[$my_course_code].'/scorm'.$tmp_path;
|
|
if (!is_dir($courses_dir)) {
|
|
//echo "Scormdocument path $my_content_id: $tmp_path doesn't exist in ".$sys_course_path.$courses_dir_list[$my_course_code]."/scorm, skipping<br />\n";
|
|
continue;
|
|
// Avoid if contentTitle is not the name of an existing directory
|
|
} elseif (!is_file($courses_dir."/imsmanifest.xml")) {
|
|
// If the imsmanifest file was not found there
|
|
if ($loglevel > 2) { error_log(" !!imsmanifest.xml not found at scormdocument's $courses_dir/imsmanifest.xml, skipping", 0); }
|
|
// Try subdirectories on one level depth
|
|
if ($loglevel > 2) { error_log(" Trying subdirectories...", 0); }
|
|
$dh = opendir($courses_dir);
|
|
while ($entry = readdir($dh)) {
|
|
if (substr($entry, 0, 1) != '.') {
|
|
if (is_dir($courses_dir."/".$entry)) {
|
|
if (is_file($courses_dir."/".$entry."/imsmanifest.xml")) {
|
|
if ($loglevel > 2) { error_log(". .. and found $courses_dir/$entry/imsmanifest.xml!", 0); }
|
|
if (!in_array($tmp_path."/".$entry."/imsmanifest.xml",$scormdocuments_lps)) {
|
|
if ($loglevel > 2){ error_log(" Recording.<br />", 0); }
|
|
$scormdocuments_lps[] = $tmp_path."/".$entry;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
} else {
|
|
if ($loglevel > 2) { error_log(" Found scormdocument $tmp_path in ".$sys_course_path.$courses_dir_list[$my_course_code]."/scorm, treating it.", 0); }
|
|
$scormdocuments_lps[] = $tmp_path;
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
// Because certain people with no admin skills had fun adding direct links to SCORM
|
|
// from the courses introductions, we have to check for SCORM packages from there too...
|
|
$tbl_intro = $db_name.TABLE_TOOL_INTRO;
|
|
$sql_i = "SELECT * FROM $tbl_intro WHERE id='course_homepage'";
|
|
//echo $sql_i;
|
|
$res_i = Database::query($sql_i);
|
|
//$link_to_course1 = 'scorm/scormdocument.php';
|
|
while ($row_scodoc = Database::fetch_array($res_i)) {
|
|
$intro = $row_scodoc['intro_text'];
|
|
//echo $intro."<br />\n";
|
|
$matches = array();
|
|
$pattern = '@scorm/showinframes\.php([^\s"\']*)file=([^\s"\'&]*)@';
|
|
if (preg_match_all($pattern, $intro, $matches, PREG_SET_ORDER)) {
|
|
if (count($matches) < 1) {
|
|
// Skip
|
|
} else {
|
|
//echo "Found matches in $tbl_intro<br />";
|
|
foreach ($matches as $match) {
|
|
//echo "Found match ".print_r($match,true)."<br />";
|
|
$mymatch = urldecode($match[2]);
|
|
$mymatch = str_replace($sys_course_path, $upd_course_path, $mymatch);
|
|
if (!empty($mymatch) && (strtolower(substr($mymatch, -15)) == 'imsmanifest.xml') && is_file(realpath(urldecode($mymatch)))) {
|
|
|
|
//echo $mymatch." seems ok<br />";
|
|
// Found a new scorm course in the old directory
|
|
$courses_dir = $upd_course_path.''.$courses_dir_list[$my_course_code].'/scorm';
|
|
// Check if the file is in the current course path, otherwise just forget about it
|
|
// as it would be too difficult to migrate
|
|
//echo "Comparing $mymatch with $courses_dir<br />";
|
|
if (strpos($mymatch, $courses_dir) !== false) {
|
|
// Remove the course dir up to /scorm from this path
|
|
$entry = substr($mymatch, strlen($courses_dir));
|
|
// Remove the /imsmanifest.xml from the end of the path
|
|
$entry = substr($entry, 0, -16);
|
|
// If $entry was /var/www/dokeos/courses/ABC/scorm/tralala/imsmanifest.xml,
|
|
// $entry is now /tralala
|
|
//echo "Checking if manifest exists in ".$courses_dir.$entry."/imsmanifest.xml<br />";
|
|
if (is_file($courses_dir.$entry."/imsmanifest.xml")) {
|
|
//echo "found $courses_dir/$entry/imsmanifest.xml!<br />";
|
|
if ($loglevel > 2) { error_log(". .. and found $courses_dir/$entry/imsmanifest.xml!", 0); }
|
|
if (!in_array($entry."/imsmanifest.xml", $scormdocuments_lps)) {
|
|
if ($loglevel > 2) { error_log(" Recording.<br />", 0); }
|
|
//echo "Recording $entry<br />";
|
|
$scormdocuments_lps[] = $entry;
|
|
}
|
|
} else {
|
|
//echo "Manifest does not exist in ".$courses_dir.$entry."/imsmanifest.xml<br />";
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
// Prepare the new course's space in the scorms array
|
|
$scorms[$my_course_code] = array();
|
|
|
|
$sql_paths = "SELECT * FROM $scorm_main WHERE dokeosCourse = '".$my_course_code."'";
|
|
if ($loglevel > 0) { error_log("$sql_paths", 0); }
|
|
$res_paths = Database::query($sql_paths);
|
|
$num = Database::num_rows($res_paths);
|
|
while ($scorm_row = Database::fetch_array($res_paths)) {
|
|
// Check if this is a new course
|
|
$my_content_id = $scorm_row['contentId'];
|
|
$my_path = $scorm_row['contentTitle'];
|
|
if (substr($my_path, 0, 1) != '/') {
|
|
$my_path = '/'.$my_path;
|
|
}
|
|
if ($my_path == '/') {
|
|
$my_path = '';
|
|
}
|
|
if ($loglevel > 1) { error_log("++++Now opening $my_path", 0); }
|
|
if (!is_dir($courses_dir = $sys_course_path.''.$courses_dir_list[$my_course_code].'/scorm'.$my_path)) {
|
|
if ($loglevel > 1) { error_log("Path $my_content_id: $my_path doesn't exist in ".$sys_course_path.$courses_dir_list[$my_course_code]."/scorm, skipping", 0); }
|
|
continue;
|
|
// Avoid if contentTitle is not the name of an existing directory
|
|
} elseif (!is_file($sys_course_path.$courses_dir_list[$my_course_code].'/scorm'.$my_path."/imsmanifest.xml")) {
|
|
if ($loglevel > 1) { error_log("!!imsmanifest.xml not found at ".$sys_course_path.$courses_dir_list[$my_course_code].'/scorm'.$my_path."/imsmanifest.xml, skipping", 0); }
|
|
continue;
|
|
} else {
|
|
if ($loglevel > 1) { error_log("Found $my_path in ".$sys_course_path.$courses_dir_list[$my_course_code]."/scorm".$mypath."/imsmanifest.xml, keeping it.", 0); }
|
|
$scorms[$my_course_code][$my_path] = $my_content_id;
|
|
}
|
|
}
|
|
// Check if all the lps from scormdocuments_lps are already in the course array,
|
|
// otherwise add them (and set ID of 0 so no tracking will be available)
|
|
foreach ($scormdocuments_lps as $path) {
|
|
if (!in_array($path,array_keys($scorms[$my_course_code]))) {
|
|
// Add it (-1 means no ID)
|
|
if ($loglevel > 1) { error_log("** Scormdocument path $path wasn't recorded yet. Added.", 0); }
|
|
$scorms[$my_course_code][$path] = -1;
|
|
}
|
|
}
|
|
$course_code_swap = $my_course_code;
|
|
unset($scormdocuments_lps);
|
|
}
|
|
|
|
//echo "<pre>courses_id_list: ".print_r($courses_id_list,true)."</pre>\n";
|
|
|
|
$my_count = 0;
|
|
foreach ($scorms as $mycourse => $my_paths) {
|
|
$my_count += count($my_paths);
|
|
}
|
|
if ($loglevel > 0) { error_log("---- Scorms array now contains ".$mycount." paths to migrate. Starting migration...", 0); }
|
|
|
|
/**
|
|
* Looping through the SCO_MAIN table for SCORM learnpath attached to courses
|
|
* Order by course to try and reuse the maximum data
|
|
*/
|
|
$i_count = 0;
|
|
foreach ($scorms as $my_course_code => $paths_list) {
|
|
$max_dsp_lp = 0;
|
|
$course_lp_done = array();
|
|
$db_name = $courses_id_full_table_prefix_list[$my_course_code];
|
|
foreach ($paths_list as $my_path => $old_id) {
|
|
if ($loglevel > 1) { error_log("Migrating lp $my_path from course $my_course_code...", 0); }
|
|
$i_count ++;
|
|
//error_log('New LP - Migration script - Content '.$i_count.' on '.$num.' (course '.$scorm['dokeosCourse'].')',0);
|
|
// Check whether there is no embedded learnpaths into other learnpaths (one root-level and another embedded)
|
|
$embedded = false;
|
|
foreach ($course_lp_done as $tmp_lp) {
|
|
if (empty($tmp_lp)) {
|
|
$tmp_lp = '/'; // Allows finding the lp as a subitem, otherwise strstr returns false
|
|
}
|
|
if (strstr($my_path, $tmp_lp) === false) {
|
|
// Let it be
|
|
} else {
|
|
// This lp is embedded inside another lp who's imsmanifest exists, so prevent from parsing
|
|
if ($loglevel > 1) { error_log("LP $my_path is embedded into $tmp_lp, ignoring...", 0); }
|
|
$embedded = true;
|
|
continue;
|
|
}
|
|
}
|
|
if ($embedded) {
|
|
continue;
|
|
}
|
|
$course_lp_done[] = $my_path;
|
|
//echo "<pre>scorm row: ".print_r($scorm,true)."</pre>\n";
|
|
$my_content_id = $old_id;
|
|
$my_path = $my_path;
|
|
$my_name = basename($my_path);
|
|
|
|
if ($loglevel > 1) { error_log("Try importing LP $my_path from imsmanifest first as it is more reliable", 0); }
|
|
|
|
// Setup the ims path (path to the imsmanifest.xml file)
|
|
//echo "Looking for course with code ".$lp_course_code[$my_content_id]." (using $my_content_id)<br />\n";
|
|
//$courses_dir = $sys_course_path.$courses_dir_list[$my_course_code];
|
|
$courses_dir = $upd_course_path.$courses_dir_list[$my_course_code];
|
|
$sco_path_temp = ($my_path == '/') ? '' : $my_path;
|
|
$sco_middle_path = (empty($sco_path_temp) ? '' : (substr($sco_path_temp, 0, 1) == '/') ? substr($sco_path_temp, 1).'/' : $sco_path_temp.'/'); //same thing as sco_path_temp but with reversed slashes
|
|
$ims = $courses_dir.'/scorm'.$sco_path_temp.'/imsmanifest.xml';
|
|
|
|
if (is_file($ims)){
|
|
//echo "Path $ims exists, importing...(line ".__LINE__.")<br />";
|
|
$oScorm = new scorm();
|
|
// Check whether imsmanifest.xml exists at this location. If not, ignore the imsmanifest.
|
|
// That should have been done before already, now.
|
|
if ($loglevel > 1) { error_log("Found imsmanifest ($ims), importing...", 0); }
|
|
if (!empty($sco_middle_path)) { $oScorm->subdir = $sco_middle_path; } //this sets the subdir for the scorm package inside the scorm dir
|
|
// Parse manifest file
|
|
$manifest = $oScorm->parse_manifest($ims);
|
|
// The title is already escaped in the method
|
|
$oScorm->import_manifest($my_course_code);
|
|
//TODO: Add code to update the path in that new lp created, as it probably uses / where
|
|
// $sco_path_temp should be used...
|
|
$lp_ids[$my_content_id] = $oScorm->lp_id; // Contains the old LP ID => the new LP ID
|
|
if ($loglevel > 1) { error_log(" @@@ Created scorm lp ".$oScorm->lp_id." from imsmanifest [".$ims."] in course $my_course_code", 0); }
|
|
$lp_course[$my_content_id] = $courses_id_list[$my_course_code]; // Contains the old learnpath ID => the course DB name
|
|
$lp_course_code[$my_content_id] = $my_course_code;
|
|
$max_dsp_lp++;
|
|
|
|
/*
|
|
* QUERY SCORM ITEMS FROM SCORM_SCO_DATA
|
|
* The danger here is that we might have several users for the same data, and so
|
|
* we have to avoid entering the same elements twice
|
|
*/
|
|
$sql_items = "SELECT * FROM $scorm_item WHERE contentId = '".$my_content_id."' ORDER BY scoId";
|
|
//echo "$sql_items<br />\n";
|
|
$res_items = Database::query($sql_items);
|
|
while ($scormItem = Database::fetch_array($res_items)) {
|
|
$my_sco_id = $scormItem['scoId']; //the index for display??? (check that)
|
|
$my_identifier = $scormItem['scoIdentifier']; //the scorm item path/name
|
|
$my_title = Database::escape_string($scormItem['scoTitle']);
|
|
$my_status = $scormItem['status'];
|
|
$my_student = $scormItem['studentId'];
|
|
$my_score = $scormItem['score'];
|
|
$my_time = my_get_time($scormItem['time']);
|
|
$my_type = 'sco';
|
|
//$my_item_path = $scorm_lp_paths[$my_content_id]['path'];
|
|
$my_item_path = '';
|
|
|
|
//echo " FOUND item belonging to old learnpath num $my_content_id so belongs to course ".$lp_course[$my_content_id]."<br />\n";
|
|
$my_new_lp_item = $db_name.$new_lp_item;
|
|
$my_new_lp_view = $db_name.$new_lp_view;
|
|
$my_new_lp_item_view = $db_name.$new_lp_item_view;
|
|
|
|
/*
|
|
* Check if a view is needed
|
|
*/
|
|
if ($my_score != '' and $my_status != 'not attempted') {
|
|
// It is worth creating an lp_view and an lp_item_view - otherwise not
|
|
$sel_sqlb = "SELECT * FROM $my_new_lp_view " .
|
|
"WHERE lp_id = ".$lp_ids[$my_content_id]." AND user_id = $my_student";
|
|
$sel_resb = Database::query($sel_sqlb);
|
|
if (Database::num_rows($sel_resb) > 0) {
|
|
// Don't insert
|
|
$rowb = Database::fetch_array($sel_resb);
|
|
$view_insert_id = $rowb['id'];
|
|
} else {
|
|
$ins_sql = "INSERT INTO $my_new_lp_view (" .
|
|
"lp_id," .
|
|
"user_id," .
|
|
"view_count" .
|
|
") VALUES (" .
|
|
$lp_ids[$my_content_id].", " .
|
|
$my_student.", " .
|
|
"1" .
|
|
")";
|
|
//echo "$ins_sql<br />";
|
|
$ins_res = Database::query($ins_sql);
|
|
$view_insert_id = Database::insert_id();
|
|
}
|
|
$sel_sqlc = "SELECT * FROM $my_new_lp_item " .
|
|
"WHERE lp_id = ".$lp_ids[$my_content_id]." AND ref = '$my_identifier'";
|
|
$sel_resc = Database::query($sel_sqlc);
|
|
if (Database::num_rows($sel_resc) > 0) {
|
|
$my_item_id_row = Database::fetch_array($sel_resc);
|
|
$item_insert_id = $my_item_id_row['id'];
|
|
$ins_sql = "INSERT INTO $my_new_lp_item_view (" .
|
|
"lp_item_id, lp_view_id, view_count," .
|
|
"start_time, total_time, score," .
|
|
"status" .
|
|
") VALUES (" .
|
|
"$item_insert_id, $view_insert_id, 1," .
|
|
"0, $my_time, $my_score," .
|
|
"'$my_status'" .
|
|
")";
|
|
//echo "$ins_sql<br />";
|
|
$ins_res = Database::query($ins_sql);
|
|
} else {
|
|
//echo " Didn't find corresponding item for $my_identifier in new tables<br />\n";
|
|
}
|
|
}
|
|
}
|
|
|
|
} else {
|
|
//echo "Could not find $ims... Proceeding from database...(line ".__LINE__.")<br />";
|
|
if ($loglevel > 1) { error_log("This is a normal SCORM path", 0); }
|
|
$scorm_lp_paths[$my_content_id]['path'] = $my_path;
|
|
//$scorm_lp_paths[$my_content_id]['ims'] = '';
|
|
$table_name = $db_name.$new_lp;
|
|
$sql_ins = "INSERT INTO $table_name (" .
|
|
"lp_type," .
|
|
"name," .
|
|
"description," .
|
|
"path," .
|
|
"force_commit, " .
|
|
"default_encoding," .
|
|
"display_order," .
|
|
"content_maker," .
|
|
"content_local," .
|
|
"js_lib" .
|
|
") VALUES (" .
|
|
"2," .
|
|
"'$my_name'," .
|
|
"''," .
|
|
"'$my_path'," .
|
|
"0," .
|
|
"'UTF-8'," .
|
|
"".$max_dsp_lp."," .
|
|
"'Unknown'," .
|
|
"'Unknown'," .
|
|
"'scorm_api.php'" .
|
|
")";
|
|
if ($loglevel > 1) { error_log("$sql_ins", 0); }
|
|
$sql_res = Database::query($sql_ins);
|
|
$in_id = Database::insert_id();
|
|
if (empty($in_id) or $in_id == false) die('Could not insert scorm lp: '.$sql_ins);
|
|
//echo " Inserted item $in_id<br />\n";
|
|
$lp_ids[$my_content_id] = $in_id; //contains the old LP ID => the new LP ID
|
|
$lp_course[$my_content_id] = $courses_id_list[$my_course_code]; // Contains the old learnpath ID => the course DB name
|
|
$lp_course_code[$my_content_id] = $my_course_code;
|
|
$max_dsp_lp++;
|
|
|
|
// Setup the ims path (path to the imsmanifest.xml file)
|
|
//echo "Looking for course with code ".$lp_course_code[$my_content_id]." (using $my_content_id)<br />\n";
|
|
$courses_dir = $sys_course_path.$courses_dir_list[$lp_course_code[$my_content_id]];
|
|
//$scorm_lp_paths[$my_content_id]['path'] = str_replace(' ', '\\ ', $scorm_lp_paths[$my_content_id]['path']);
|
|
$sco_path_temp = ($scorm_lp_paths[$my_content_id]['path'] == '/') ? '' : $scorm_lp_paths[$my_content_id]['path'];
|
|
$scorm_lp_paths[$my_content_id]['ims'] = $courses_dir.'/scorm'.$sco_path_temp.'/imsmanifest.xml';
|
|
|
|
// Generate an imsmanifest object to get more info about the learnpath from the file
|
|
$oScorm = new scorm();
|
|
// Check whether imsmanifest.xml exists at this location. If not, ignore the imsmanifest.
|
|
// That should have been done before already, now.
|
|
if (!is_file($scorm_lp_paths[$my_content_id]['ims'])) {
|
|
if ($loglevel > 1) { error_log("!!! imsmanifest file not found at ".$scorm_lp_paths[$my_content_id]['ims'].' for old lp '.$my_content_id.' and new '.$lp_ids[$my_content_id], 0); }
|
|
$manifest = false;
|
|
} else {
|
|
//echo "Parsing ".$scorm_lp_paths[$my_content_id]['ims']."<br />\n";
|
|
// Parse manifest file
|
|
$manifest = $oScorm->parse_manifest($scorm_lp_paths[$my_content_id]['ims']);
|
|
// The title is already escaped in the method
|
|
//$my_lp_title = api_convert_encoding($oScorm->get_title(),'ISO-8859-1',$oScorm->manifest_encoding);
|
|
$my_lp_title = api_convert_encoding($oScorm->get_title(), 'ISO-8859-1', 'UTF-8'); // TODO: This "magic" conversion to be checked.
|
|
if (!empty($my_lp_title)) {
|
|
$my_new_lp = $db_name.$new_lp;
|
|
$my_sql = "UPDATE $my_new_lp " .
|
|
"SET name = '$my_lp_title', " .
|
|
"default_encoding = '".strtoupper($oScorm->manifest_encoding)."' " .
|
|
"WHERE id = ".$lp_ids[$my_content_id];
|
|
if ($loglevel > 1) { error_log("Updating title and encoding: ".$my_sql, 0); }
|
|
$my_res = Database::query($my_sql);
|
|
}
|
|
}
|
|
|
|
/*
|
|
* QUERY SCORM ITEMS FROM SCORM_SCO_DATA
|
|
* The danger here is that we might have several users for the same data, and so
|
|
* we have to avoid entering the same elements twice
|
|
*/
|
|
$sql_items = "SELECT * FROM $scorm_item WHERE contentId = '".$my_content_id."' ORDER BY scoId";
|
|
//echo "$sql_items<br />\n";
|
|
$res_items = Database::query($sql_items);
|
|
while ($scormItem = Database::fetch_array($res_items)) {
|
|
$my_sco_id = $scormItem['scoId']; // The index for display??? (check that)
|
|
$my_identifier = $scormItem['scoIdentifier']; //the scorm item path/name
|
|
$my_title = Database::escape_string($scormItem['scoTitle']);
|
|
$my_status = $scormItem['status'];
|
|
$my_student = $scormItem['studentId'];
|
|
$my_score = $scormItem['score'];
|
|
$my_time = my_get_time($scormItem['time']);
|
|
$my_type = 'sco';
|
|
//$my_item_path = $scorm_lp_paths[$my_content_id]['path'];
|
|
$my_item_path = '';
|
|
|
|
//echo " FOUND item belonging to old learnpath num $my_content_id so belongs to course ".$lp_course[$my_content_id]."<br />\n";
|
|
$my_new_lp_item = $db_name.$new_lp_item;
|
|
$my_new_lp_view = $db_name.$new_lp_view;
|
|
$my_new_lp_item_view = $db_name.$new_lp_item_view;
|
|
|
|
/*
|
|
* Query items from the new table to check if it doesn't exist already
|
|
* Otherwise insert it
|
|
*/
|
|
$sel_sql = "SELECT * FROM $my_new_lp_item " .
|
|
"WHERE ref = '$my_identifier' " .
|
|
"AND lp_id = ".$lp_ids[$my_content_id]."";
|
|
//echo $sel_sql."<br />\n";
|
|
$sel_res = Database::query($sel_sql);
|
|
if (Database::num_rows($sel_res) > 0) {
|
|
// This item already exists, reuse
|
|
$row = Database::fetch_array($sel_res);
|
|
$item_insert_id = $row['lp_id'];
|
|
} else {
|
|
$ins_sql = "INSERT INTO $my_new_lp_item (" .
|
|
"lp_id," .
|
|
"item_type," .
|
|
"ref," .
|
|
"title," .
|
|
"path" .
|
|
") " .
|
|
"VALUES (" .
|
|
"'".$lp_ids[$my_content_id]."'," . //insert new learnpath ID
|
|
"'$my_type'," .
|
|
"'".$my_identifier."'," .
|
|
"'".$my_title."'," .
|
|
"'$my_item_path'" .
|
|
")";
|
|
$ins_res = Database::query($ins_sql);
|
|
$item_insert_id = Database::insert_id();
|
|
$lp_item_ids[$lp_ids[$my_content_id]][$my_sco_id] = $item_insert_id;
|
|
$lp_item_refs[$lp_ids[$my_content_id]][$my_identifier] = $item_insert_id;
|
|
}
|
|
/*
|
|
* Check if a view is needed
|
|
*/
|
|
if ($my_score != '' and $my_status != 'not attempted') {
|
|
// It is worth creating an lp_view and an lp_item_view - otherwise not
|
|
$sel_sqlb = "SELECT * FROM $my_new_lp_view " .
|
|
"WHERE lp_id = ".$lp_ids[$my_content_id]." AND user_id = $my_student";
|
|
$sel_resb = Database::query($sel_sqlb);
|
|
if (Database::num_rows($sel_resb) > 0) {
|
|
// Don't insert
|
|
$rowb = Database::fetch_array($sel_resb);
|
|
$view_insert_id = $rowb['id'];
|
|
} else {
|
|
$ins_sql = "INSERT INTO $my_new_lp_view (" .
|
|
"lp_id," .
|
|
"user_id," .
|
|
"view_count" .
|
|
") VALUES (" .
|
|
$lp_ids[$my_content_id].", " .
|
|
$my_student.", " .
|
|
"1" .
|
|
")";
|
|
$ins_res = Database::query($ins_sql);
|
|
$view_insert_id = Database::insert_id();
|
|
}
|
|
$ins_sql = "INSERT INTO $my_new_lp_item_view (" .
|
|
"lp_item_id, lp_view_id, view_count," .
|
|
"start_time, total_time, score," .
|
|
"status" .
|
|
") VALUES (" .
|
|
"$item_insert_id, $view_insert_id, 1," .
|
|
"0, $my_time, $my_score," .
|
|
"'$my_status'" .
|
|
")";
|
|
$ins_res = Database::query($ins_sql);
|
|
}
|
|
}
|
|
// UPDATE THE LP_VIEW progress
|
|
if (!empty($view_insert_id)) {
|
|
$sql = "SELECT count(distinct(lp_item_id)) FROM $my_new_lp_item_view WHERE lp_view_id = ".$view_insert_id." AND status IN ('passed','completed','succeeded','browsed','failed')";
|
|
$myres = Database::query($sql);
|
|
$myrow = Database::fetch_array($myres);
|
|
$completed = $myrow[0];
|
|
$mylpid = $lp_ids[$my_content_id];
|
|
$sql = "SELECT count(*) FROM $my_new_lp_item WHERE lp_id = '".$mylpid."'";
|
|
$myres = Database::query($sql);
|
|
$myrow = Database::fetch_array($myres);
|
|
$total = $myrow[0];
|
|
$progress = ((float)$completed / (float)$total) * 100;
|
|
$progress = number_format($progress, 0);
|
|
$sql = "UPDATE $my_new_lp_view SET progress = '$progress' WHERE id = '$view_insert_id'";
|
|
$myres = Database::query($sql);
|
|
}
|
|
|
|
/*
|
|
* Set all information that might be more correct coming from imsmanifest
|
|
*/
|
|
|
|
//$my_new_lp = $db_name.$new_lp;
|
|
//$my_new_lp_item = $db_name.$new_lp_item;
|
|
//$my_new_lp_view = $db_name.$new_lp_view;
|
|
//$my_new_lp_item_view = $db_name.$new_lp_item_view;
|
|
//$sel_sql = "SELECT * FROM $my_new_lp WHERE id = $in_id";
|
|
//$res = @Database::query($sel_sql);
|
|
//if (!$res) {
|
|
// echo "Error selecting lp: $sel_sql - ".Database::error()."<br />\n";
|
|
//}
|
|
$lp_details = array();
|
|
//while ($row = Database::fetch_array($res)) {
|
|
$ordered_list = array();
|
|
$mylist = array();
|
|
foreach ($oScorm->organizations as $org) {
|
|
// There should be only one organization (generally)
|
|
// and if there are more, we are not supposed to have been
|
|
// able to manage them before the new tool, so ignore
|
|
if (count($ordered_list) > 0) {
|
|
break;
|
|
}
|
|
$ordered_list = $org->get_flat_items_list();
|
|
}
|
|
$previous = 0;
|
|
$stock = array(0);
|
|
$level = 0;
|
|
$parent_id = 0;
|
|
foreach ($ordered_list as $index => $subarray) {
|
|
// $subarray is an array representing one item and that contains info like
|
|
// identifier, level, rel_order, prerequisites, title, masteryscore, etc.
|
|
//echo "<pre>Lookin for ".$subarray['identifier']." ".print_r($lp_item_refs,true)."</pre>\n";
|
|
if (!empty($lp_item_refs[$in_id][$subarray['identifier']])) {
|
|
$new_id = $lp_item_refs[$in_id][$subarray['identifier']];
|
|
$next = 0;
|
|
$dsp = $subarray['rel_order'];
|
|
if ($subarray['level'] > $level) {
|
|
// Getting one level deeper, just consult
|
|
$parent_id = $previous;
|
|
array_push($stock,$previous);
|
|
$level = $subarray['level'];
|
|
} elseif ($subarray['level'] == $level) {
|
|
// We are on the same level, going to the next id
|
|
//array_pop($stock);
|
|
//array_push($stock, $new_id);
|
|
} else {
|
|
// Getting back from one level deeper
|
|
array_pop($stock);
|
|
$parent_id = array_pop($stock);
|
|
array_push($stock, $parent_id);
|
|
$level = $subarray['level'];
|
|
}
|
|
if (!empty($ordered_list[$index + 1]['identifier']) && !empty($lp_item_refs[$in_id][$ordered_list[$index + 1]['identifier']])){
|
|
$next = $lp_item_refs[$in_id][$ordered_list[$index + 1]['identifier']];
|
|
}
|
|
$path = $oScorm->get_res_path($subarray['identifierref']);
|
|
$update_path = '';
|
|
if (!empty($path)) {
|
|
// If new path is not empty, update
|
|
$update_path = "path = '$path', ";
|
|
}
|
|
$type = $oScorm->get_res_type($subarray['identifierref']);
|
|
$update_type = '';
|
|
if (!empty($type)) {
|
|
// If type is defined, update
|
|
$update_type = "item_type = '$type', ";
|
|
}
|
|
if (empty($path)) {
|
|
// If path is empty, it is a dir anyway
|
|
$update_type = "item_type = 'dir', ";
|
|
}
|
|
$prereq = $subarray['prerequisites'];
|
|
$update_prereq = '';
|
|
if (!empty($prereq)) {
|
|
$update_prereq = "prerequisite = '$prereq', ";
|
|
}
|
|
|
|
// We had previous data about this element, update
|
|
$sql2 = "UPDATE $my_new_lp_item " .
|
|
"SET parent_item_id = $parent_id, " .
|
|
"previous_item_id = $previous, " .
|
|
"next_item_id = $next, " .
|
|
$update_path.
|
|
$update_type.
|
|
$update_prereq.
|
|
"display_order = $dsp " .
|
|
"WHERE lp_id = ".$in_id." AND id = ".$new_id;
|
|
//echo "$sql2<br />\n";
|
|
$res2 = Database::query($sql2);
|
|
$previous = $new_id;
|
|
}
|
|
}
|
|
/**
|
|
* Migrate links on the homepage as well now (look into the TABLE_TOOL_LIST table and
|
|
* update the links to newscorm/lp_controller.php?action=view&lp_id=x)
|
|
* See scorm_migrate_hometools.php
|
|
*/
|
|
//}
|
|
// end of case where $my_content_id != -1
|
|
|
|
}
|
|
|
|
/**
|
|
* Update course description (intro page) to use new links instead of learnpath/learnpath_handler.php
|
|
*/
|
|
$tbl_intro = $db_name.TABLE_TOOL_INTRO;
|
|
$sql_i = "SELECT * FROM $tbl_intro WHERE id='course_homepage'";
|
|
$res_i = Database::query($sql_i);
|
|
//$link_to_course1 = 'scorm/scormdocument.php';
|
|
while ($row_i = Database::fetch_array($res_i)) {
|
|
$intro = $row_i['intro_text'];
|
|
$out = array();
|
|
$enc_path = str_replace('/', '%2F', $my_path);
|
|
$enc_path = str_replace(' ', '\+', $enc_path);
|
|
//echo "Looking for path ".$enc_path."<br />\n";
|
|
$pattern = '@claroline/scorm/scormdocument\.php([^\s"\']*)openDir='.$enc_path.'([\\"\'\s&]*)@';
|
|
if (preg_match_all($pattern, $intro, $out, PREG_SET_ORDER)) {
|
|
foreach ($out as $results) {
|
|
//echo "---> replace ".'/'.$results[0].'/ by newscorm/lp_controller.php'.$results[1].'action=view&lp_id='.$lp_ids[$my_content_id];
|
|
//$intro = preg_replace('/scorm\/scormdocument\.php([^\s"\']*)openDir='.$enc_path.'([\\"\'\s&])/', 'newscorm/lp_controller.php'.$results[1].'action=view&lp_id='.$lp_ids[$my_content_id], $intro);
|
|
$intro = preg_replace('@claroline/scorm/scormdocument\.php([^\s"\']*)openDir='.$enc_path.'([^\s"\']*)@','main/newscorm/lp_controller.php'.$results[1].'action=view&lp_id='.$lp_ids[$my_content_id], $intro);
|
|
}
|
|
} else {
|
|
//echo "No scorm link found in intro text<br />";
|
|
}
|
|
$pattern = '@claroline/scorm/showinframes\.php([^\s"\']*)file=([^\s"\'&]*)'.$enc_path.'@';
|
|
if (preg_match_all($pattern, $intro, $out, PREG_SET_ORDER)) {
|
|
foreach ($out as $results) {
|
|
//echo "---> replace ".'/'.$results[0].'/ by newscorm/lp_controller.php'.$results[1].'action=view&lp_id='.$lp_ids[$my_content_id];
|
|
//$intro = preg_replace('/scorm\/showinframes\.php([^\s"\']*)file=([^\s"\']*)'.$enc_path.'/', 'newscorm/lp_controller.php'.$results[1].'action=view&lp_id='.$lp_ids[$my_content_id], $intro);
|
|
$intro = preg_replace('@claroline/scorm/showinframes\.php([^\s"\']*)file=([^\s"\'&]*)'.$enc_path.'([^\s"\']*)@','main/newscorm/lp_controller.php'.$results[1].'action=view&lp_id='.$lp_ids[$my_content_id], $intro);
|
|
}
|
|
} else {
|
|
//echo "No scorm link found in intro text<br />";
|
|
}
|
|
if ($intro != $row_i['intro_text']) {
|
|
//echo "<pre>Replacing ".$row_i['intro_text']."\n by \n ".$intro."</pre><br />\n";
|
|
$sql_upd = "update $tbl_intro set intro_text = '".Database::escape_string($intro)."' WHERE id = 'course_homepage' AND intro_text = '".Database::escape_string($row_i['intro_text'])."'";
|
|
//echo $sql_upd."<br />\n";
|
|
fwrite($fh, $sql_upd."\n");
|
|
fwrite($fh_revert, "UPDATE $tbl_intro set intro_text = '".$row_i['intro_text']."' WHERE id = 'course_homepage' AND intro_text = '$intro';\n");
|
|
fwrite($fh_res, $intro."\n");
|
|
Database::query($sql_upd);
|
|
}
|
|
}
|
|
|
|
flush();
|
|
}
|
|
}
|
|
fclose($fh);
|
|
fclose($fh_revert);
|
|
fclose($fh_res);
|
|
if ($loglevel > 0) { error_log("All done!", 0); }
|
|
//echo "</body></html>";
|
|
|