*/
/**
* Include mandatory libraries
*/
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('../../archive/newscorm_'.time().'.log', 'w');
$fh_revert = fopen('../../archive/newscorm_'.time().'_revert.log', 'w');
$fh_res = fopen('../../archive/newscorm_'.time().'_res.log', 'w');
fwrite($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 "";
/**
* 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) { error_log("Tables created/deleted for all courses", 0); }
/**
* 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[$course_code]) > 40) {
error_log('Database '.$courses_id_list[$course_code].' is too long, skipping', 0);
continue;
}
$incoherences = 0;
if ($loglevel > 0) { error_log("Now starting migration of learnpath tables from $db database...", 0); }
$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) { error_log("$sql_lp", 0); }
$res_lp = Database::query($sql_lp);
if (!$res_lp or !$res_test) {
if ($loglevel > 1) {
error_log("+++Problem querying DB $lp_main+++ skipping (".Database::error().")", 0);
if (!$res_test) {
error_log("This might be due to no existing table in the destination course", 0);
}
}
continue;
}
$dsp_ord = 1;
while ($row = Database::fetch_array($res_lp)) {
//echo "Treating lp id : ".$row['learnpath_id']."
\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);
$in_id = Database::insert_id();
if (empty($in_id) or $in_id == false) die('Could not insert lp: '.$ins_lp_sql);
$lp_ids[$row['learnpath_id']] = $in_id;
$dsp_ord++;
$max_dsp_lp = $dsp_ord;
}
//echo "lp_ids:".print_r($lp_ids,true)."
\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
\n";
$res_lp_chap = Database::query($sql_lp_chap);
while ($row = Database::fetch_array($res_lp_chap)) {
//echo "Treating chapter id : ".$row['id']."
\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."
\n";
$ins_res = Database::query($ins_lp_sql);
$in_id = Database::insert_id();
//echo " Inserted item $in_id
\n";
if (empty($in_id) OR $in_id == false) die('Could not insert lp: '.$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']][] = $in_id;
}
//echo "parent_lps:".print_r($parent_lps,true)."
\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
\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']."
\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) && $loglevel > 1) { error_log("Could not find prereq chapter ".$row['prereq_id'], 0); }
break;
case 'i':
default:
// item type prereq
$prereq_id = $lp_items[$parent_lps[$row['chapter_id']]][$row['prereq_id']];
if (empty($prereq_id) && $loglevel > 1) { error_log("Could not find prereq item ".$row['prereq_id'], 0); }
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'].")
\n";
if (empty($in_id) OR $in_id == false) die('Could not insert lp_item: '.$ins_sql);
$lp_items[$parent_lps[$row['chapter_id']]][$row['id']] = $in_id;
$lp_ordered_items[$parent_lps[$row['chapter_id']]][$row['chapter_id']][] = $in_id;
}
}
//echo "lp_items:".print_r($lp_items,true)."
\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
\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...
$lp_id = 0;
//echo "";
while ($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 "$upd
\n";
Database::query($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 "$upd
\n";
Database::query($upd);
$last = $item_id;
}
//echo "\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
\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
\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...
";
$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')
\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: $link
";
if (!empty($matches[3]) && (strtolower(substr($matches[3], -15)) == 'imsmanifest.xml') && !is_file(realpath(urldecode($matches[3])))) {
//echo "Removing link $link from tools
";
$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')
\n";
$res_tool_upd = Database::query($sql_tool_upd);
}
} else {
//echo "No scorm link found in tool link $link
";
}
//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 != $row_i['intro_text']) {
//echo "Replacing ".$row_i['intro_text']."\n by \n ".$intro."
\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 $sql_upd."
\n";
fwrite($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
";
$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
\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.
", 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."
\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 $tbl_intro
";
foreach ($matches as $match) {
//echo "Found match ".print_r($match,true)."
";
$mymatch = urldecode($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
";
// 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 $courses_dir
";
if (strpos($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.$entry."/imsmanifest.xml
";
if (is_file($courses_dir.$entry."/imsmanifest.xml")) {
//echo "found $courses_dir/$entry/imsmanifest.xml!
";
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.
", 0); }
//echo "Recording $entry
";
$scormdocuments_lps[] = $entry;
}
} else {
//echo "Manifest does not exist in ".$courses_dir.$entry."/imsmanifest.xml
";
}
}
}
}
}
}
}
// 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 "courses_id_list: ".print_r($courses_id_list,true)."
\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[] = $my_path;
//echo "scorm row: ".print_r($scorm,true)."
\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 $my_content_id)
\n";
//$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__.")
";
$oScorm = new scorm();
// Check whether imsmanifest.xml exists at this location. If not, ignore the imsmanifest.
// That should have been done before already, now.
if ($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
\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]."
\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
";
$ins_res = Database::query($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
";
$ins_res = Database::query($ins_sql);
} else {
//echo " Didn't find corresponding item for $my_identifier in new tables
\n";
}
}
}
} else {
//echo "Could not find $ims... Proceeding from database...(line ".__LINE__.")
";
if ($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
\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)
\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']."
\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
\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]."
\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."
\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()."
\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) {
// $subarray is an array representing one item and that contains info like
// identifier, level, rel_order, prerequisites, title, masteryscore, etc.
//echo "Lookin for ".$subarray['identifier']." ".print_r($lp_item_refs,true)."
\n";
if (!empty($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
\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."
\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
";
}
$pattern = '@claroline/scorm/showinframes\.php([^\s"\']*)file=([^\s"\'&]*)'.$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], $intro);
}
} else {
//echo "No scorm link found in intro text
";
}
if ($intro != $row_i['intro_text']) {
//echo "Replacing ".$row_i['intro_text']."\n by \n ".$intro."
\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 $sql_upd."
\n";
fwrite($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 "";