123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360361362363364365366367368369370371372373374375376377378379380381382383384385386387388389390391392393394395396397398399400401402403404405406407408409410411412413414415416417418419420421422423424425426427428429430431432433434435436437438439440441442443444445446447448449450451452453454455456457458459460461462463464465466467468469470471472473474475476477478479480481482483484485486487488489490491492493494495496497498499500501502503504505506507508509510511512513514515516517518519520521522523524525526527528529530531532533534535536537538539540541542543544545546547548549550551552553554555556557558559560561562563564565566567568569570571572573574575576577578579580581582583584585586587588589590591592593594595596597598599600601602603604605606607608609610611612613614615616617618619620621622623624625626627628629630631632633634635636637638639640641642643644645646647648649650651652653654655656657658659660661662663664665666667668669670671672673674675676677678679680681682683684685686687688689690691692693694695696697698699700701702703704705706707708709710711712713714715716717718719720721722723724725726727728729730731732733734735736737738739740741742743744745746747748749750751752753754755756757758759760761762763764765766767768769770771772773774775776777778779780781782783784785786787788789790791792793794795796797798799800801802803804805806807808809810811812813814815816817818819820821822823824825826827828829830831832833834835836837838839840841842843844845846847848849850851852853854855856857858859860861862863864865866867868869870871872873874875876877878879880881882883884885886887888889890891892893894895896897898899900901902903904905906907908909910911912913914915916917918919920921922923924925926927928929930931932933934935936937938939940941942943944945946947948949950951952953954955956957958959960961962963964965966967968969970971972973974975976977978979980981982983984985986987988989990991992993994995996997998999100010011002100310041005100610071008100910101011101210131014101510161017101810191020102110221023102410251026102710281029103010311032103310341035103610371038103910401041104210431044104510461047104810491050105110521053105410551056105710581059106010611062106310641065106610671068106910701071107210731074107510761077107810791080108110821083108410851086108710881089109010911092109310941095109610971098109911001101110211031104110511061107110811091110111111121113111411151116111711181119112011211122112311241125112611271128112911301131113211331134113511361137113811391140114111421143114411451146114711481149115011511152115311541155115611571158115911601161116211631164116511661167116811691170117111721173117411751176117711781179118011811182118311841185118611871188118911901191119211931194119511961197119811991200120112021203120412051206120712081209121012111212121312141215121612171218121912201221122212231224122512261227122812291230123112321233123412351236123712381239124012411242124312441245124612471248124912501251125212531254125512561257125812591260126112621263126412651266126712681269127012711272127312741275127612771278127912801281128212831284 |
- <?php
- /* For licensing terms, see /license.txt */
- /**
- * Chamilo LMS
- * Script handling the migration between an old Dokeos platform (<1.8.0) to
- * setup the new database system (4 scorm tables inside the course's database)
- * @package chamilo.scorm
- * @author Yannick Warnier <ywarnier@beeznest.org>
- */
- /**
- * Include mandatory libraries
- */
- Log::notice('Entering file');
- require_once api_get_path(LIBRARY_PATH).'document.lib.php';
- require_once api_get_path(LIBRARY_PATH).'fileManage.lib.php'; //check_name_exists()
- require_once api_get_path(SYS_CODE_PATH).'newscorm/learnpath.class.php';
- require_once api_get_path(SYS_CODE_PATH).'newscorm/scorm.class.php';
- $loglevel = 0;
- // Get table prefix from $prefix variable declared in update-db-....inc.php
- $table_prefix = $prefix;
- $sys_course_path = $pathForm.'courses/';
- $upd_course_path = $proposedUpdatePath.'courses/';
- function my_get_time($time) {
- $matches = array();
- if (preg_match('/(\d{1,4}):(\d{2})(:(\d{2})(\.\d*)?)?/', $time, $matches)) {
- if (count($matches) == 3) {
- return ($matches[1] * 60) + ($matches[2]);
- } else {
- return ($matches[1] * 3600) + ($matches[2] * 60) + ($matches[4]);
- }
- }
- else return 0;
- }
- // Open log file
- $fh = fopen(api_get_path(SYS_ARCHIVE_PATH).'newscorm_'.time().'.log', 'w');
- $fh_revert = fopen(api_get_path(SYS_ARCHIVE_PATH).'newscorm_'.time().'_revert.log', 'w');
- $fh_res = fopen(api_get_path(SYS_ARCHIVE_PATH).'newscorm_'.time().'_res.log', 'w');
- fwrite($fh, "-- Recording course homepages links changes to enable reverting\n");
- fwrite($fh_revert, "-- Recording reverted course homepages links changes to enable reverting\n");
- fwrite($fh_res, "-- Recording resulting course homepages links changes\n");
- //echo "<html><body>";
- /**
- * New tables definition:
- */
- $new_lp = 'lp';
- $new_lp_view = 'lp_view';
- $new_lp_item = 'lp_item';
- $new_lp_item_view = 'lp_item_view';
- $new_lp_type = 'lp_type';
- $max_dsp_lp = 0;
- $courses_list = array();
- $courses_id_list = array();
- $courses_id_full_table_prefix_list = array();
- $courses_dir_list = array();
- Database::select_db($dbNameForm);
- $sql = "SELECT * FROM course";
- $res = Database::query($sql);
- while ($row = Database::fetch_array($res)) {
- $course_pref = $table_prefix;
- if ($singleDbForm) {
- $dbname = $_configuration['main_database'].'.'.$course_pref.$row['db_name'].'_';
- } else {
- $dbname = $row['db_name'].'.'.$course_pref;
- }
- $courses_list[] = $row['db_name'];
- $courses_id_list[$row['code']] = $row['db_name'];
- $courses_id_full_table_prefix_list[$row['code']] = $dbname;
- $courses_dir_list[$row['code']] = $row['directory'];
- }
- if ($loglevel > 0) { Log::notice("Tables created/deleted for all courses"); }
- /**
- * The migration needs to take all data from the original learnpath tables and add them to the new
- * lp, lp_view, lp_item and lp_item_view tables
- */
- // MIGRATING LEARNPATHS
- // Test only one course
- foreach ($courses_id_full_table_prefix_list as $course_code => $db) {
- if (strlen($courses_id_list[$course_code]) > 40) {
- Log::error('Database '.$courses_id_list[$course_code].' is too long, skipping');
- continue;
- }
- $incoherences = 0;
- if ($loglevel > 0) { Log::notice("Now starting migration of learnpath tables from $db database..."); }
- $lp_doc = $db.TABLE_DOCUMENT;
- $lp_main = $db.TABLE_LEARNPATH_MAIN;
- $lp_ids = array();
- $lp_user = $db.TABLE_LEARNPATH_USER;
- $lp_users = array();
- $lp_chap = $db.TABLE_LEARNPATH_CHAPTER;
- $parent_chaps = array();
- $lp_chap_items = array();
- $ordered_chaps = array();
- $lp_item = $db.TABLE_LEARNPATH_ITEM;
- $lp_items = array();
- $lp_ordered_items = array();
- $parent_lps = array(); //keeps a track of chapter's learnpath ids
- $my_new_lp = $db.$new_lp;
- $my_new_lp_item = $db.$new_lp_item;
- $my_new_lp_view = $db.$new_lp_view;
- $my_new_lp_item_view = $db.$new_lp_item_view;
- // Migrate learnpaths
- $sql_test = "SELECT * FROM $my_new_lp";
- $res_test = Database::query($sql_test);
- $sql_lp = "SELECT * FROM $lp_main";
- if ($loglevel > 1) { Log::notice("$sql_lp"); }
- $res_lp = Database::query($sql_lp);
- if (!$res_lp or !$res_test) {
- if ($loglevel > 1) {
- Log::error("+++Problem querying DB $lp_main+++ skipping (".Database::error().")");
- if (!$res_test) {
- Log::error("This might be due to no existing table in the destination course");
- }
- }
- continue;
- }
- $dsp_ord = 1;
- while ($row = Database::fetch_array($res_lp)) {
- //echo "Treating lp id : ".$row['learnpath_id']."<br />\n";
- $ins_lp_sql = "INSERT INTO $my_new_lp (lp_type,name,description,display_order,content_maker) " .
- "VALUES (1," .
- "'".Database::escape_string($row['learnpath_name'])."'," .
- "'".Database::escape_string($row['learnpath_description'])."',$dsp_ord,'Dokeos')";
- $ins_lp_res = Database::query($ins_lp_sql);
- $in_id = Database::insert_id();
- if (!$in_id) die('Could not insert lp: '.$ins_lp_sql);
- $lp_ids[$row['learnpath_id']] = $in_id;
- $dsp_ord++;
- $max_dsp_lp = $dsp_ord;
- }
- //echo "<pre>lp_ids:".print_r($lp_ids,true)."</pre>\n";
- // MIGRATING LEARNPATH CHAPTERS
- $sql_lp_chap = "ALTER TABLE $lp_chap ADD INDEX ( parent_chapter_id, display_order )";
- $res_lp_chap = Database::query($sql_lp_chap);
- $sql_lp_chap = "SELECT * FROM $lp_chap ORDER BY parent_chapter_id, display_order";
- //echo "$sql_lp_chap<br />\n";
- $res_lp_chap = Database::query($sql_lp_chap);
- while ($row = Database::fetch_array($res_lp_chap)) {
- //echo "Treating chapter id : ".$row['id']."<br />\n";
- //TODO: Build path for this chapter (although there is no real path for any chapter)
- //TODO: Find out how to calculate the "next_item_id" with the "ordre" field
- $my_lp_item = $my_new_lp_item;
- $myname = Database::escape_string($row['chapter_name']);
- $mydesc = Database::escape_string($row['chapter_description']);
- $ins_lp_sql = "INSERT INTO $my_new_lp_item (" .
- "lp_id," .
- "item_type," .
- "title," .
- "description," .
- "path, " .
- "display_order, " .
- "next_item_id) " .
- "VALUES (" .
- "'".$lp_ids[$row['learnpath_id']]."'," . //insert new learnpath ID
- "'dokeos_chapter'," .
- "'".$myname."'," .
- "'".$mydesc."'," .
- "''," .
- $row['display_order'].", " .
- "123456" .
- ")";
- //echo $ins_lp_sql."<br />\n";
- $ins_res = Database::query($ins_lp_sql);
- $in_id = Database::insert_id();
- //echo " Inserted item $in_id<br />\n";
- if (!$in_id) die('Could not insert lp: '.$ins_sql);
- $parent_chaps[$row['id']] = $row['parent_chapter_id'];
- $lp_chap_items[$row['id']] = $in_id;
- $parent_lps[$row['id']] = $row['learnpath_id'];
- $ordered_chaps[$row['parent_chapter_id']][$row['display_order']] = $in_id;
- $lp_chaps_list[$row['learnpath_id']][] = $in_id;
- }
- //echo "<pre>parent_lps:".print_r($parent_lps,true)."</pre>\n";
- // Now one loop to update the parent_chapter_ids
- foreach ($parent_chaps as $old_chap => $old_parent_chap) {
- if ($old_parent_chap != 0) {
- $new_chap = $lp_chap_items[$old_chap];
- $new_parent = $lp_chap_items[$old_parent_chap];
- if (isset($new_chap) && $new_chap != '' && isset($new_parent) && $new_parent != '') {
- $sql_par_chap = "UPDATE $my_new_lp_item " .
- "SET parent_item_id = $new_parent " .
- "WHERE id = $new_chap";
- $res_par_chap = Database::query($sql_par_chap);
- }
- }
- }
- unset($parent_chaps);
- // Now one loop to set the next_item_id and the previous_item_id
- foreach ($ordered_chaps as $parent_chap) {
- $last = 0;
- foreach ($ordered_chaps[$parent_chap] as $order => $new_id) {
- $sql_upd_chaps = "UPDATE $my_new_lp_item " .
- "SET previous_item_id = $last " .
- "WHERE id = $new_id";
- $res_upd_chaps = Database::query($sql_upd_chaps);
- $next = 0;
- if (!empty($ordered_chaps[$parent_chap][$order + 1])) {
- $next = $ordered_chaps[$parent_chap][$order + 1];
- }
- $sql_upd_chaps = "UPDATE $my_new_lp_item " .
- "SET next_item_id = $next " .
- "WHERE id = $new_id";
- $res_upd_chaps = Database::query($sql_upd_chaps);
- $last = $new_id;
- }
- }
- unset($ordered_chaps);
- // Migrate learnpath_items
- // TODO: Define this array thanks to types defined in the learnpath_building scripts
- // TODO: Set order correctly
- $type_trans = array(
- 'document' => TOOL_DOCUMENT,
- 'exercise' => TOOL_QUIZ,
- 'forum' => TOOL_FORUM,
- 'Agenda' => TOOL_CALENDAR_EVENT,
- 'Ad_Valvas' => TOOL_ANNOUNCEMENT,
- 'Link' => TOOL_LINK,
- 'Link _blank' => TOOL_LINK,
- 'Exercise' => TOOL_QUIZ,
- 'HotPotatoes'=> 'HotPotatoes',
- 'Forum' => TOOL_FORUM,
- 'Thread' => TOOL_THREAD,
- 'Topic' => TOOL_THREAD,
- 'Post' => TOOL_POST,
- 'Document' => TOOL_DOCUMENT,
- 'Assignments'=> 'Assignments',
- 'Dropbox' => TOOL_DROPBOX,
- 'Introduction_text'=> 'Introduction_text',
- 'Course_description' => TOOL_COURSE_DESCRIPTION,
- 'Groups' => TOOL_GROUP,
- 'Users' => TOOL_USER,
- //'chapter' => 'dokeos_chapter', Chapters should all be in learnpath_chapter, no matter the nesting level
- );
- // MIGRATING LEARNPATH ITEMS
- $sql_lp_item = "ALTER TABLE $lp_item ADD INDEX ( chapter_id, display_order)";
- $res_lp_item = Database::query($sql_lp_item);
- $sql_lp_item = "SELECT * FROM $lp_item ORDER BY chapter_id, display_order";
- //echo "$sql_lp_item<br />\n";
- $res_lp_item = Database::query($sql_lp_item);
- while ($row = Database::fetch_array($res_lp_item)) {
- //echo "Treating chapter ".$row['chapter_id'].", item ".$row['id']."<br />\n";
- $type = $type_trans[$row['item_type']];
- $ref = $row['item_id'];
- //TODO: Build item path
- //TODO: Calculate "next_item_id" with the "ordre" field
- // Prepare prereqs
- // Prerequisites in Dokeos 1.6 is only authorised on previous items, so
- // We know that we are gonna talk about an item that has already been passed
- // through here - if none found, print message
- $prereq_id = '';
- if (!empty($row['prereq_id'])) {
- switch ($row['prereq_type']) {
- case 'c':
- // chapter-type prereq
- $prereq_id = $lp_chap_items[$row['prereq_id']];
- if (empty($prereq_id) && $loglevel > 1) { Log::error("Could not find prereq chapter ".$row['prereq_id']); }
- break;
- case 'i':
- default:
- // item type prereq
- $prereq_id = $lp_items[$parent_lps[$row['chapter_id']]][$row['prereq_id']];
- if (empty($prereq_id) && $loglevel > 1) { Log::error("Could not find prereq item ".$row['prereq_id']); }
- break;
- }
- }
- $my_parent_id = 0;
- if (isset($lp_chap_items[$row['chapter_id']])) {
- $my_parent_id = $lp_chap_items[$row['chapter_id']];
- }
- $title = '';
- if (empty($row['title']) && $type == 'Document' && !empty($row['item_id'])) {
- $my_sql_doctitle = "SELECT title FROM $lp_doc WHERE id = ".$row['item_id'];
- $my_res_doctitle = Database::query($my_sql_doctitle);
- if ($row_doctitle = Database::fetch_array($my_res_doctitle)) {
- $title = $row_doctitle['title'];
- } else {
- $title = '-';
- }
- } else {
- $title = $row['title'];
- }
- if (isset($lp_ids[$parent_lps[$row['chapter_id']]])) {
- // If there is a parent learnpath
- $ins_lp_sql = "INSERT INTO $my_new_lp_item (" .
- "lp_id," .
- "item_type," .
- "ref, " .
- "title," .
- "description," .
- "path, " .
- "parent_item_id," .
- "prerequisite," .
- "display_order" .
- ") VALUES (" .
- "'".$lp_ids[$parent_lps[$row['chapter_id']]]."'," . // Insert new learnpath ID
- "'$type'," .
- "'$ref', " .
- "'".Database::escape_string($row['title'])."'," .
- "'".Database::escape_string($row['description'])."'," .
- "'$ref'," .
- "".$my_parent_id."," .
- "'$prereq_id'," .
- $row['display_order']." " .
- ")";
- $ins_res = Database::query($ins_lp_sql);
- $in_id = Database::insert_id();
- //echo " Inserted item $in_id (".$row['title'].")<br />\n";
- if (!$in_id) die('Could not insert lp_item: '.$ins_sql);
- $lp_items[$parent_lps[$row['chapter_id']]][$row['id']] = $in_id;
- $lp_ordered_items[$parent_lps[$row['chapter_id']]][$row['chapter_id']][] = $in_id;
- }
- }
- //echo "<pre>lp_items:".print_r($lp_items,true)."</pre>\n";
- // Complete next_item_id field by going through the new table and looking at parent_id and display_order
- $order_sql = "ALTER TABLE $my_new_lp_item ADD INDEX (lp_id, parent_item_id, display_order)";
- $order_res = Database::query($order_sql);
- $order_sql = "SELECT * FROM $my_new_lp_item ORDER by lp_id ASC, parent_item_id ASC, display_order ASC";
- //echo "$order_sql<br />\n";
- $order_res = Database::query($order_sql);
- $order_item = array(); //this will contain a sequential list of item_id's, thus allowing to give a simple way to get next id...
- $lp_id = 0;
- //echo "<pre>";
- while ($row = Database::fetch_array($order_res)) {
- //print_r($row);
- if ($row['lp_id'] != $lp_id) {
- // Apply changes to the database and clean tool arrays
- $last = 0;
- foreach ($order_item as $order_id => $item_id) {
- $next = 0;
- if (!empty($order_item[$order_id+1])) {
- $next = $order_item[$order_id+1];
- }
- $upd = "UPDATE $my_new_lp_item " .
- "SET next_item_id = ".$next."," .
- " previous_item_id = ".$last." " .
- "WHERE id = ".$item_id;
- //echo "$upd<br />\n";
- Database::query($upd);
- $last = $item_id;
- }
- $order_item = array();
- $lp_id = $row['lp_id'];
- $order_item[] = $row['id'];
- } else {
- $order_item[] = $row['id'];
- }
- }
- // Process the last LP stack
- $last = 0;
- foreach ($order_item as $order_id => $item_id) {
- $next = 0;
- if (!empty($order_item[$order_id + 1])) {
- $next = $order_item[$order_id + 1];
- }
- $upd = "UPDATE $my_new_lp_item " .
- "SET next_item_id = ".$next."," .
- " previous_item_id = ".$last." " .
- "WHERE id = ".$item_id;
- //echo "$upd<br />\n";
- Database::query($upd);
- $last = $item_id;
- }
- //echo "</pre>\n";
- // MIGRATING THE learnpath_user TABLE (results)
- $mysql = "ALTER TABLE $my_new_lp_item_view ADD INDEX (lp_view_id)";
- $myres = Database::query($mysql);
- $sql_lp_user = "ALTER TABLE $lp_user ADD INDEX (user_id, learnpath_id, learnpath_item_id)";
- $res_lp_user = Database::query($sql_lp_user);
- $sql_lp_user = "SELECT * FROM $lp_user ORDER BY user_id, learnpath_id, learnpath_item_id";
- //echo "$sql_lp_user<br />\n";
- $res_lp_user = Database::query($sql_lp_user);
- $user_id = 0;
- $learnpath_id = 0;
- $lp_view = 0;
- while ($row = Database::fetch_array($res_lp_user)) {
- if ($row['user_id']!=$user_id OR $row['learnpath_id']!=$learnpath_id) { //the user has changed or this is the first
- // Insert a new lp_view
- $last = 0;
- if (!empty($lp_chaps_list[$row['learnpath_id']][0])) {
- $last = $lp_chaps_list[$row['learnpath_id']][0];
- }
- 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 = ".$row_tool['id'];
- Log::notice('New LP - Migration - Updating tool table: '.$sql_tool_upd);
- // 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'];
- Log::notice('New LP - Migration - Updating tool table (dead link): '.$sql_tool_upd);
- // Make sure there is a way of retrieving which links were updated (to revert)
- fwrite($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 ($loglevel > 0) { Log::notice("Done!".$msg); }
- //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) { Log::notice("Now starting migration of scorm tables from global SCORM database"); }
- $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) { Log::notice("$sql_crs"); }
- $res_crs = Database::query($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) { Log::notice("Now dealing with course ".$course_row['code']."..."); }
- // 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) {
- Log::notice('Database '.$courses_id_list[$course_code].' is too long, skipping');
- 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) { Log::notice("$sql_scodoc"); }
- $res_scodoc = Database::query($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) { Log::notice("++Now opening $tmp_path"); }
- // Add a prefixing slash if there is none
- if (substr($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) { Log::error(" !!imsmanifest.xml not found at scormdocument's $courses_dir/imsmanifest.xml, skipping"); }
- // Try subdirectories on one level depth
- if ($loglevel > 2) { Log::notice(" Trying subdirectories..."); }
- $dh = opendir($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) { Log::notice(". .. and found $courses_dir/$entry/imsmanifest.xml!"); }
- if (!in_array($tmp_path."/".$entry."/imsmanifest.xml",$scormdocuments_lps)) {
- if ($loglevel > 2){ Log::notice(" Recording.<br />"); }
- $scormdocuments_lps[] = $tmp_path."/".$entry;
- }
- }
- }
- }
- }
- } else {
- if ($loglevel > 2) { Log::notice(" Found scormdocument $tmp_path in ".$sys_course_path.$courses_dir_list[$my_course_code]."/scorm, treating it."); }
- $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) { Log::notice(". .. and found $courses_dir/$entry/imsmanifest.xml!"); }
- if (!in_array($entry."/imsmanifest.xml", $scormdocuments_lps)) {
- if ($loglevel > 2) { Log::notice(" Recording.<br />"); }
- //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 ($loglevel > 0) { Log::notice("$sql_paths"); }
- $res_paths = Database::query($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) { Log::notice("++++Now opening $my_path"); }
- if (!is_dir($courses_dir = $sys_course_path.''.$courses_dir_list[$my_course_code].'/scorm'.$my_path)) {
- if ($loglevel > 1) { Log::notice("Path $my_content_id: $my_path doesn't exist in ".$sys_course_path.$courses_dir_list[$my_course_code]."/scorm, skipping"); }
- 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 ($loglevel > 1) { Log::notice("!!imsmanifest.xml not found at ".$sys_course_path.$courses_dir_list[$my_course_code].'/scorm'.$my_path."/imsmanifest.xml, skipping"); }
- continue;
- } else {
- if ($loglevel > 1) { Log::notice("Found $my_path in ".$sys_course_path.$courses_dir_list[$my_course_code]."/scorm".$mypath."/imsmanifest.xml, keeping it."); }
- $scorms[$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) { Log::notice("** Scormdocument path $path wasn't recorded yet. Added."); }
- $scorms[$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 ($loglevel > 0) { Log::notice("---- Scorms array now contains ".$mycount." paths to migrate. Starting migration..."); }
- /**
- * 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) { Log::notice("Migrating lp $my_path from course $my_course_code..."); }
- $i_count ++;
- //Log::notice('New LP - Migration script - Content '.$i_count.' on '.$num.' (course '.$scorm['dokeosCourse'].')');
- // 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) { Log::notice("LP $my_path is embedded into $tmp_lp, ignoring..."); }
- $embedded = true;
- continue;
- }
- }
- if ($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) { Log::notice("Try importing LP $my_path from imsmanifest first as it is more reliable"); }
- // Setup the ims path (path to the imsmanifest.xml file)
- //echo "Looking for course with code ".$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) { Log::notice("Found imsmanifest ($ims), importing..."); }
- if (!empty($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) { Log::notice(" @@@ Created scorm lp ".$oScorm->lp_id." from imsmanifest [".$ims."] in course $my_course_code"); }
- $lp_course[$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) { Log::notice("This is a normal SCORM path"); }
- $scorm_lp_paths[$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 ($loglevel > 1) { Log::notice("$sql_ins"); }
- $sql_res = Database::query($sql_ins);
- $in_id = Database::insert_id();
- if (!$in_id) 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) { Log::notice("!!! 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]); }
- $manifest = false;
- } else {
- //echo "Parsing ".$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) { Log::notice("Updating title and encoding: ".$my_sql); }
- $my_res = Database::query($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) { Log::notice("All done!"); }
- //echo "</body></html>";
|