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chamilo-lms
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Remove unused code.

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1.10.x
Julio Montoya 10 years ago
parent 2a79af9206
commit fb3f0a2e97
3 changed files with 0 additions and 414 deletions
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  1. 13
      main/newscorm/back_compat.inc.php
  2. 23
      main/newscorm/lp_comm.common.php
  3. 378
      main/newscorm/lp_comm.server.php

13
main/newscorm/back_compat.inc.php
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<?php
/* For licensing terms, see /license.txt */
/**
* This script used to allow compatibility between the New SCORM tool and both
* version 1.6.3 and 1.8 of Dokeos by loading libraries in a different way.
* The switch is now deprecated and this file will be renamed later on to
* something like lp_includes.inc.php
* @package chamilo.learnpath
*/
/**
* Code
*/

23
main/newscorm/lp_comm.common.php
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<?php
/* For licensing terms, see /license.txt */
/**
* This script contains the server part of the xajax interaction process. The client part is located
* in lp_api.php or other api's.
* This is a first attempt at using xajax and AJAX in general, so the code might be a bit unsettling.
* @package chamilo.learnpath
* @author Yannick Warnier <ywarnier@beeznest.org>
*/
/**
* Code
*/
// Flag to allow for anonymous user - needs to be set before global.inc.php.
$use_anonymous = true;
require_once '../inc/global.inc.php';
$xajax = new xajax(api_get_path(WEB_CODE_PATH).'newscorm/lp_comm.server.php');
$xajax->registerFunction('save_item');
$xajax->registerFunction('save_objectives');
$xajax->registerFunction('switch_item_details');
$xajax->registerFunction('backup_item_details');
$xajax->registerFunction('start_timer');

378
main/newscorm/lp_comm.server.php
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<?php
/* For licensing terms, see /license.txt */
/**
* This script contains the server part of the xajax interaction process. The client part is located
* in lp_api.php or other api's.
* This is a first attempt at using xajax and AJAX in general, so the code might be a bit unsettling.
* @package chamilo.learnpath
* @author Yannick Warnier <ywarnier@beeznest.org>
*/
// Flag to allow for anonymous user - needs to be set before global.inc.php.
$use_anonymous = true;
require_once '../inc/global.inc.php';
/**
* Backup an item's values into the javascript API as "old" values (so we still have them at hand)
* @param integer Learnpath ID
* @param integer User ID
* @param integer View ID
* @param integer Item ID
* @param double Current score
* @param double Maximum score
* @param double Minimum score
* @param string Lesson status
* @param string Session time
* @param string Suspend data
* @param string Lesson location
*/
function backup_item_details($lp_id, $user_id, $view_id, $item_id, $score = -1, $max = -1, $min = -1, $status = '', $time = '', $suspend = '', $location = '') {
$objResponse = new xajaxResponse();
$objResponse->addScript(
"old_score=".$score.";" .
"old_max=".$max.";" .
"old_min=".$min.";" .
"old_lesson_status='".$status."';" .
"old_session_time='".$time."';" .
"lms_old_item_id='".$item_id."';" .
"old_suspend_data='".$suspend."';" .
"old_lesson_location='".$location."';");
//$objResponse->addAlert('data for item '.$item_id.', user '.$user_id.' backed up');
return $objResponse;
}
/**
* Writes an item's new values into the database and returns the operation result
* @param integer Learnpath ID
* @param integer User ID
* @param integer View ID
* @param integer Item ID
* @param double Current score
* @param double Maximum score
* @param double Minimum score
* @param string Lesson status
* @param string Session time
* @param string Suspend data
* @param string Lesson location
* @param string Core exit SCORM string
*/
function save_item($lp_id, $user_id, $view_id, $item_id, $score = -1, $max = -1, $min = -1, $status = '', $time = 0, $suspend = '', $location = '', $interactions = array(), $core_exit = 'none') {
global $_configuration;
$debug = 0;
if ($debug > 0) { error_log('In xajax_save_item('.$lp_id.','.$user_id.','.$view_id.','.$item_id.','.$score.','.$max.','.$min.',"'.$status.'",'.$time.',"'.$suspend.'","'.$location.'","'.(count($interactions)>0?$interactions[0]:'').'","'.$core_exit.'")', 0); }
$objResponse = new xajaxResponse();
$mylp = learnpath::getLpFromSession(api_get_course_id(), $lp_id, $user_id);
$prereq_check = $mylp->prerequisites_match($item_id);
if ($prereq_check === true) { // Launch the prerequisites check and set error if needed.
$mylpi =& $mylp->items[$item_id];
//$mylpi->set_lp_view($view_id);
if ($max != -1) {
$mylpi->max_score = $max;
}
if ($min != -1) {
$mylpi->min_score = $min;
}
if ($score != -1) {
$mylpi->set_score($score);
}
if ($status != '') {
if ($debug > 1) { error_log('Calling set_status('.$status.') from xajax', 0); }
$mylpi->set_status($status);
if ($debug > 1) { error_log('Done calling set_status from xajax', 0); }
}
if ($time != '') {
// If big integer, then it's a timestamp, otherwise it's normal scorm time.
if ($time == intval(strval($time)) && $time > 1000000) {
$real_time = time() - $time;
//$real_time += $mylpi->get_total_time();
$mylpi->set_time($real_time, 'int');
} else {
$mylpi->set_time($time);
}
}
if ($suspend != '') {
$mylpi->current_data = $suspend; //escapetxt($suspend);
}
if ($location != '') {
$mylpi->set_lesson_location($location);
}
// Deal with interactions provided in arrays in the following format
// id(0), type(1), time(2), weighting(3), correct_responses(4), student_response(5), result(6), latency(7)
if (is_array($interactions) && count($interactions) > 0) {
foreach ($interactions as $index => $interaction) {
$mylpi->add_interaction($index, $interactions[$index]);
}
}
$mylpi->set_core_exit($core_exit);
$mylp->save_item($item_id, false);
} else {
return $objResponse;
}
$mystatus = $mylpi->get_status(false);
$mytotal = $mylp->get_total_items_count_without_chapters();
$mycomplete = $mylp->get_complete_items_count();
$myprogress_mode = $mylp->get_progress_bar_mode();
$myprogress_mode = ($myprogress_mode == '' ? '%' : $myprogress_mode);
//$mylpi->write_to_db();
$_SESSION['lpobject'] = serialize($mylp);
if ($mylpi->get_type()!='sco'){
// If this object's JS status has not been updated by the SCORM API, update now.
$objResponse->addScript("lesson_status='".$mystatus."';");
}
$objResponse->addScript("update_toc('".$mystatus."','".$item_id."');");
$update_list = $mylp->get_update_queue();
foreach ($update_list as $my_upd_id => $my_upd_status) {
if ($my_upd_id != $item_id) { // Only update the status from other items (i.e. parents and brothers), do not update current as we just did it already.
$objResponse->addScript("update_toc('".$my_upd_status."','".$my_upd_id."');");
}
}
$objResponse->addScript("update_progress_bar('$mycomplete','$mytotal','$myprogress_mode');");
if ($debug > 0) {
$objResponse->addScript("logit_lms('Saved data for item ".$item_id.", user ".$user_id." (status=".$mystatus.")',2)");
if ($debug > 1) { error_log('End of xajax_save_item()', 0); }
}
if (!isset($_SESSION['login_as'])) {
// If $_SESSION['login_as'] is set, then the user is an admin logged as the user.
$tbl_track_login = Database :: get_main_table(TABLE_STATISTIC_TRACK_E_LOGIN);
$sql_last_connection = "SELECT login_id, login_date FROM $tbl_track_login
WHERE login_user_id='".api_get_user_id()."' ORDER BY login_date DESC LIMIT 0,1";
$q_last_connection = Database::query($sql_last_connection);
if (Database::num_rows($q_last_connection) > 0) {
$row = Database::fetch_array($q_last_connection);
$i_id_last_connection = $row['login_id'];
$now = api_get_utc_datetime();
$s_sql_update_logout_date = "UPDATE $tbl_track_login SET logout_date = '$now' WHERE login_id='$i_id_last_connection'";
Database::query($s_sql_update_logout_date);
}
}
return $objResponse;
}
/**
* Writes an item's new values into the database and returns the operation result
* @param integer Learnpath ID
* @param integer User ID
* @param integer View ID
* @param integer Item ID
* @param array Objectives array
*/
function save_objectives($lp_id, $user_id, $view_id, $item_id, $objectives = array()) {
global $_configuration;
$debug = 0;
if ($debug > 0) { error_log('In xajax_save_objectives('.$lp_id.','.$user_id.','.$view_id.','.$item_id.',"'.(count($objectives) > 0 ? count($objectives) : '').'")', 0); }
$objResponse = new xajaxResponse();
$mylp = learnpath::getLpFromSession(api_get_course_id(), $lp_id, $user_id);
$mylpi =& $mylp->items[$item_id];
if (is_array($objectives) && count($objectives)>0){
foreach($objectives as $index=>$objective){
//error_log(__FILE__.' '.__LINE__.' '.$objectives[$index][0], 0);
$mylpi->add_objective($index,$objectives[$index]);
}
$mylpi->write_objectives_to_db();
}
return $objResponse;
}
/**
* Get one item's details
* @param integer LP ID
* @param integer user ID
* @param integer View ID
* @param integer Current item ID
* @param integer New item ID
*/
function switch_item_details($lp_id, $user_id, $view_id, $current_item, $next_item) {
global $charset;
$debug = 0;
if ($debug > 0) { error_log('In xajax_switch_item_details('.$lp_id.','.$user_id.','.$view_id.','.$current_item.','.$next_item.')', 0); }
$objResponse = new xajaxResponse();
/*$item_id may be one of:
* -'next'
* -'previous'
* -'first'
* -'last'
* - a real item ID
*/
$mylp = learnpath::getLpFromSession(api_get_course_id(), $lp_id, $user_id);
$new_item_id = 0;
switch ($next_item) {
case 'next':
$mylp->set_current_item($current_item);
$mylp->next();
$new_item_id = $mylp->get_current_item_id();
if ($debug > 1) { error_log('In {next} - next item is '.$new_item_id.'(current: '.$current_item.')', 0); }
break;
case 'previous':
$mylp->set_current_item($current_item);
$mylp->previous();
$new_item_id = $mylp->get_current_item_id();
if ($debug > 1) { error_log('In {previous} - next item is '.$new_item_id.'(current: '.$current_item.')', 0); }
break;
case 'first':
$mylp->set_current_item($current_item);
$mylp->first();
$new_item_id = $mylp->get_current_item_id();
if ($debug > 1) { error_log('In {first} - next item is '.$new_item_id.'(current: '.$current_item.')', 0); }
break;
case 'last':
break;
default:
// Should be filtered to check it's not hacked.
if($next_item == $current_item){
// If we're opening the same item again.
$mylp->items[$current_item]->restart();
}
$new_item_id = $next_item;
$mylp->set_current_item($new_item_id);
if ($debug > 1) { error_log('In {default} - next item is '.$new_item_id.'(current: '.$current_item.')', 0); }
break;
}
$mylp->start_current_item(true);
if ($mylp->force_commit){
$mylp->save_current();
}
//$objResponse->addAlert(api_get_path(REL_CODE_PATH).'newscorm/learnpathItem.class.php');
if (is_object($mylp->items[$new_item_id])) {
$mylpi = $mylp->items[$new_item_id];
} else {
if ($debug > 1) { error_log('In switch_item_details - generating new item object', 0); }
$mylpi = new learnpathItem($new_item_id, $user_id);
$mylpi->set_lp_view($view_id);
}
/*
* now get what's needed by the SCORM API:
* -score
* -max
* -min
* -lesson_status
* -session_time
* -suspend_data
*/
$myscore = $mylpi->get_score();
$mymax = $mylpi->get_max();
$mymin = $mylpi->get_min();
$mylesson_status = $mylpi->get_status();
$mylesson_location = $mylpi->get_lesson_location();
$mytotal_time = $mylpi->get_scorm_time('js');
$mymastery_score = $mylpi->get_mastery_score();
$mymax_time_allowed = $mylpi->get_max_time_allowed();
$mylaunch_data = $mylpi->get_launch_data();
/*
if ($mylpi->get_type() == 'asset') {
// Temporary measure to save completion of an asset. Later on, Chamilo should trigger something on unload, maybe... (even though that would mean the last item cannot be completed)
$mylesson_status = 'completed';
$mylpi->set_status('completed');
$mylpi->save();
}
*/
$mysession_time = $mylpi->get_total_time();
$mysuspend_data = $mylpi->get_suspend_data();
$mylesson_location = $mylpi->get_lesson_location();
$objResponse->addScript(
"score=".$myscore.";" .
"max=".$mymax.";" .
"min=".$mymin.";" .
"lesson_status='".$mylesson_status."';" .
"lesson_location='".$mylesson_location."';" .
"session_time='".$mysession_time."';" .
"suspend_data='".$mysuspend_data."';" .
"lesson_location='".$mylesson_location."';" .
"total_time = '".$mytotal_time."';" .
"mastery_score = '".$mymastery_score."';" .
"max_time_allowed = '".$mymax_time_allowed."';" .
"launch_data = '".$mylaunch_data."';" .
"interactions = new Array();" .
"item_objectives = new Array();" .
"G_lastError = 0;" .
"G_LastErrorMessage = 'No error';");
/*
* and re-initialise the rest
* -saved_lesson_status = 'not attempted'
* -lms_lp_id
* -lms_item_id
* -lms_old_item_id
* -lms_new_item_id
* -lms_been_synchronized
* -lms_initialized
* -lms_total_lessons
* -lms_complete_lessons
* -lms_progress_bar_mode
* -lms_view_id
* -lms_user_id
*/
$mytotal = $mylp->get_total_items_count_without_chapters();
$mycomplete = $mylp->get_complete_items_count();
$myprogress_mode = $mylp->get_progress_bar_mode();
$myprogress_mode = ($myprogress_mode == '' ? '%' : $myprogress_mode);
$mynext = $mylp->get_next_item_id();
$myprevious = $mylp->get_previous_item_id();
$myitemtype = $mylpi->get_type();
$mylesson_mode = $mylpi->get_lesson_mode();
$mycredit = $mylpi->get_credit();
$mylaunch_data = $mylpi->get_launch_data();
$myinteractions_count = $mylpi->get_interactions_count();
$myobjectives_count = $mylpi->get_objectives_count();
$mycore_exit = $mylpi->get_core_exit();
$objResponse->addScript(
"saved_lesson_status='not attempted';" .
"lms_lp_id=".$lp_id.";" .
"lms_item_id=".$new_item_id.";" .
"lms_old_item_id=0;" .
"lms_been_synchronized=0;" .
"lms_initialized=0;" .
"lms_total_lessons=".$mytotal.";" .
"lms_complete_lessons=".$mycomplete.";" .
"lms_progress_bar_mod='".$myprogress_mode."';" .
"lms_view_id=".$view_id.";" .
"lms_user_id=".$user_id.";" .
"next_item=".$new_item_id.";" . // This one is very important to replace possible literal strings.
"lms_next_item=".$mynext.";" .
"lms_previous_item=".$myprevious.";" .
"lms_item_type = '".$myitemtype."';" .
"lms_item_credit = '".$mycredit."';" .
"lms_item_lesson_mode = '".$mylesson_mode."';" .
"lms_item_launch_data = '".$mylaunch_data."';" .
"lms_item_interactions_count = '".$myinteractions_count."';" .
"lms_item_objectives_count = '".$myinteractions_count."';" .
"lms_item_core_exit = '".$mycore_exit."';" .
"asset_timer = 0;"
);
$objResponse->addScript("update_toc('unhighlight','".$current_item."');");
$objResponse->addScript("update_toc('highlight','".$new_item_id."');");
$objResponse->addScript("update_toc('$mylesson_status','".$new_item_id."');");
$objResponse->addScript("update_progress_bar('$mycomplete','$mytotal','$myprogress_mode');");
$mylp->set_error_msg('');
$mylp->prerequisites_match(); // Check the prerequisites are all complete.
if ($debug > 1) { error_log('Prereq_match() returned '.api_htmlentities($mylp->error, ENT_QUOTES, $charset), 0); }
$objResponse->addScript("update_message_frame('".str_replace("'", "\'", api_htmlentities($mylp->error, ENT_QUOTES, $charset))."');");
$_SESSION['scorm_item_id'] = $new_item_id; // Save the new item ID for the exercise tool to use.
$_SESSION['lpobject'] = serialize($mylp);
return $objResponse;
}
/**
* Start a timer and hand it back to the JS by assigning the current time (of start) to
* var asset_timer
*/
function start_timer() {
$objResponse = new xajaxResponse();
$time = time();
$objResponse->addScript("asset_timer='$time';asset_timer_total=0;");
return $objResponse;
}
require 'lp_comm.common.php';
$xajax->processRequests();
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