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chamilo-lms
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documentAPI + gestion leaderboard in storage API

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skala
Arnaud Ligot 14 years ago
parent ca04bce15d
commit 205946b2ab
6 changed files with 279 additions and 12 deletions
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  1. 101
      main/document/remote.php
  2. 28
      main/newscorm/js/documentapi.js
  3. 63
      main/newscorm/js/storageapi.js
  4. 7
      main/newscorm/lp_controller.php
  5. 14
      main/newscorm/lp_view.php
  6. 78
      main/newscorm/storageapi.php

101
main/document/remote.php
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@ -0,0 +1,101 @@
<?php
// By Arnaud Ligot <arnaud@cblue.be>
// Based on work done for old videoconference application
// params:
// action=list cidReq=course_Code cwd=folder result: json output
// I have about 30 minutes to write this peace of code so if somebody has more time, feel free to rewrite it...
/* See license terms in /license.txt */
/* FIX for IE cache when using https */
session_cache_limiter("none");
/*==== DEBUG ====*/
$debug=0;
if ($debug>0)
{
// dump the request
$v = array_keys(get_defined_vars());
error_log(var_export($v, true),3, '/tmp/log');
foreach (array_keys(get_defined_vars()) as $k) {
if ($k == 'GLOBALS')
continue;
error_log($k, 3, '/tmp/log');
error_log(var_export($$k, true), 3, '/tmp/log');
}
}
/*==== INCLUDE ====*/
require_once '../inc/global.inc.php';
api_block_anonymous_users();
require_once (api_get_path(LIBRARY_PATH)."course.lib.php");
require_once (api_get_path(LIBRARY_PATH)."document.lib.php");
require_once ("../newscorm/learnpath.class.php");
/*==== Variables initialisation ====*/
$action = $_REQUEST["action"]; //safe as only used in if()'s
$seek = array('/','%2F','..');
$destroy = array('','','');
$cidReq = str_replace($seek,$destroy,$_REQUEST["cidReq"]);
$cidReq = Security::remove_XSS($cidReq);
$user_id = api_get_user_id();
$coursePath = api_get_path(SYS_COURSE_PATH).$cidReq.'/document';
$_course = CourseManager::get_course_information($cidReq);
if ($_course == null) die ("problem when fetching course information");
// stupid variable initialisation for old version of DocumentManager functions.
$_course['path'] = $_course['directory'];
$_course['dbName'] = $_course['db_name'];
$is_manager = (CourseManager::get_user_in_course_status($user_id, $cidReq) == COURSEMANAGER);
if ($debug>0) error_log($coursePath, 0);
// FIXME: check security around $_REQUEST["cwd"]
$cwd = $_REQUEST["cwd"];
// treat /..
$nParent = 0; // the number of /.. into the url
while (substr($cwd, -3, 3) == "/..")
{
// go to parent directory
$cwd= substr($cwd, 0, -3);
if (strlen($cwd) == 0) $cwd="/";
$nParent++;
}
for (;$nParent >0; $nParent--){
$cwd = (strrpos($cwd,'/')>-1 ? substr($cwd, 0, strrpos($cwd,'/')) : $cwd);
}
if (strlen($cwd) == 0) $cwd="/";
if (Security::check_abs_path($cwd,api_get_path(SYS_PATH)))
die();
if ($action == "list")
{
/*==== List files ====*/
if ($debug>0) error_log("sending file list",0);
// get files list
$files = DocumentManager::get_all_document_data($_course, $cwd, 0, NULL, false);
// adding download link to files
foreach($files as $k=>$f)
if ($f['filetype'] == 'file')
$files[$k]['download'] = api_get_path(WEB_CODE_PATH)."/document/document.php?cidReq=$cidReq&action=download&id=".urlencode($f['path']);
print json_encode($files);
exit;
}
?>

28
main/newscorm/js/documentapi.js
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@ -0,0 +1,28 @@
// JS interface enabling scrom content to use main/document/remote.php easily
// CBlue SPRL, Arnaud Ligot <arnaud@cblue.be>
lms_documents_list = function(path) {
var result;
$.ajax({
async: false,
type: "POST",
datatype: "json",
url: "../document/remote.php",
data: {
action: "list",
cwd: path,
cidReq: chamilo_courseCode,
},
success: function(data) {
result = eval("("+data+")");
}
});
return result;
}
// Accessor object
function DOCUMENTAPIobject() {
this.list = lms_documents_list;
}
var DOCUMENTAPI = new DOCUMENTAPIobject();

63
main/newscorm/js/storageapi.js
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@ -48,6 +48,51 @@ lms_storage_getValue_user = function(sv_key, sv_user) {
return result;
}
lms_storage_getPosition_user = function(sv_key, sv_user, sv_asc) {
var result;
$.ajax({
async: false,
type: "POST",
url: "storageapi.php",
data: {
action: "getposition",
svkey: sv_key,
svuser: sv_user,
svcourse: sv_course,
svsco: sv_sco,
svasc: sv_asc
},
success: function(data) {
result = data;
}
});
return result;
}
lms_storage_getLeaders_user = function(sv_key, sv_user, sv_asc, sv_length) {
var result;
$.ajax({
async: false,
type: "POST",
url: "storageapi.php",
data: {
action: "getleaders",
svkey: sv_key,
svuser: sv_user,
svcourse: sv_course,
svsco: sv_sco,
svasc: sv_asc,
svlength: sv_length
},
success: function(data) {
result = eval("("+data+")");
}
});
return result;
}
lms_storage_getAll_user = function(sv_user) {
var result;
$.ajax({
@ -61,7 +106,7 @@ lms_storage_getAll_user = function(sv_user) {
svsco: sv_sco
},
success: function(data) {
result = eval(data);
result = eval("("+data+")");
}
});
return result;
@ -162,7 +207,7 @@ lms_storage_stack_getAll_user = function(sv_key, sv_user) {
svsco: sv_sco
},
success: function(data) {
result = eval(data);
result = eval("("+data+")");
}
});
return result;
@ -178,7 +223,7 @@ lms_storage_getAllUsers = function() {
action: "usersgetall"
},
success: function(data) {
result = eval(data);
result = eval("("+data+")");
}
});
return result;
@ -192,6 +237,14 @@ lms_storage_getValue = function(sv_key) {
return lms_storage_getValue_user(sv_key, sv_user);
}
lms_storage_getPosition = function(sv_key, sv_asc) {
return lms_storage_getPosition_user(sv_key, sv_user, sv_asc);
}
lms_storage_getLeaders = function(sv_key, sv_asc, sv_length) {
return lms_storage_getLeaders_user(sv_key, sv_user, sv_asc, sv_length);
}
lms_storage_getAll = function() {
return lms_storage_getAll_user(sv_user);
}
@ -226,6 +279,10 @@ function STORAGEAPIobject() {
this.getValue_user = lms_storage_getValue_user;
this.getAll = lms_storage_getAll;
this.getAll_user = lms_storage_getAll_user;
this.getPosition_user = lms_storage_getPosition_user;
this.getPosition = lms_storage_getPosition;
this.getLeaders_user = lms_storage_getLeaders_user;
this.getLeaders = lms_storage_getLeaders;
this.stack_push = lms_storage_stack_push;
this.stack_push_user = lms_storage_stack_push_user;
this.stack_pop = lms_storage_stack_pop;

7
main/newscorm/lp_controller.php
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@ -54,13 +54,6 @@ $(window).load(function () {
});
</script>';
// Storage API
$htmlHeadXtra[] = '<script type="text/javascript">
var sv_user = \''.api_get_user_id().'\';
var sv_course = \''.api_get_course_id().'\';
var sv_sco = \''.$_REQUEST['lp_id'].'\';
</script>';
$htmlHeadXtra[] = '<script type="text/javascript" src="js/storageapi.js"></script>';
// Flag to allow for anonymous user - needs to be set before global.inc.php.
$use_anonymous = true;

14
main/newscorm/lp_view.php
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@ -120,6 +120,20 @@ if (isset($exerciseResult) || isset($_SESSION['exerciseResult'])) {
unset($_SESSION['objExercise']);
unset($_SESSION['questionList']);
///// additional APIs
$htmlHeadXtra[] = '<script type="text/javascript" language="javascript">
chamilo_courseCode = "'.$course_code.'";
</script>';
// Document API
$htmlHeadXtra[] = '<script src="js/documentapi.js" type="text/javascript" language="javascript"></script>';
// Storage API
$htmlHeadXtra[] = '<script type="text/javascript">
var sv_user = \''.api_get_user_id().'\';
var sv_course = chamilo_courseCode;
var sv_sco = \''.$_REQUEST['lp_id'].'\';
</script>'; // FIXME fetch sco and userid from a more reliable source directly in sotrageapi.js
$htmlHeadXtra[] = '<script type="text/javascript" src="js/storageapi.js"></script>';
/**
* Get a link to the corresponding document.
*/

78
main/newscorm/storageapi.php
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@ -5,6 +5,14 @@
require_once('../inc/global.inc.php');
// variable cleaning...
foreach (Array("svkey", "svvalue") as $key)
//FIXME use chamilo api
$_REQUEST[$key] = mysql_escape_string($_REQUEST[$key]);
foreach (Array("svuser", "svcourse", "svsco", "svlength", "svasc") as $key)
$_REQUEST[$key] = intval($_REQUEST[$key]);
switch ($_REQUEST['action']) {
case "get":
print storage_get($_REQUEST['svuser'], $_REQUEST['svcourse'], $_REQUEST['svsco'], $_REQUEST['svkey']);
@ -36,10 +44,19 @@ switch ($_REQUEST['action']) {
}
break;
case "stackgetall":
print storage_stack_getall($_REQUEST['svuser'], $_REQUEST['svcourse'], $_REQUEST['svsco'], $_REQUEST['svkey']);
if (storage_can_set($_REQUEST['svuser']))
print storage_stack_getall($_REQUEST['svuser'], $_REQUEST['svcourse'], $_REQUEST['svsco'], $_REQUEST['svkey']);
break;
case "getposition":
print storage_get_position($_REQUEST['svuser'], $_REQUEST['svcourse'], $_REQUEST['svsco'], $_REQUEST['svkey'], $_REQUEST['svasc']);
break;
case "getleaders":
print storage_get_leaders($_REQUEST['svuser'], $_REQUEST['svcourse'], $_REQUEST['svsco'], $_REQUEST['svkey'], $_REQUEST['svasc'], $_REQUEST['svlength']);
break;
case "usersgetall":
print storage_get_all_users();
// security issue
print "NOT allowed, security issue, see sources";
// print storage_get_all_users();
break;
default:
// Do nothing
@ -75,6 +92,63 @@ function storage_get($sv_user, $sv_course, $sv_sco, $sv_key) {
return null;
}
}
function storage_get_leaders($sv_user, $sv_course, $sv_sco, $sv_key, $sv_asc, $sv_length) {
// get leaders
$sql_leaders = "select u.user_id, firstname, lastname, email, username, sv_value as value
from ".Database::get_main_table(TABLE_MAIN_STORED_VALUES)." sv,
".Database::get_main_table(TABLE_MAIN_USER)." u
where u.user_id=sv.user_id
and sco_id = '$sv_sco'
and course_id = '$sv_course'
and sv_key = '$sv_key'
order by sv_value ".($sv_asc ? "ASC": "DESC")." limit $sv_length";
// $sql_data = "select sv.user_id as user_id, sv_key as variable, sv_value as value
// from ".Database::get_main_table(TABLE_MAIN_STORED_VALUES)." sv
// where sv.user_id in (select u2.user_id from ($sql_leaders) u2)
// and sco_id = '$sv_sco'
// and course_id = '$sv_course'";
// $resData = Database::query($sql_data);
// $data = Array();
// while($row = Database::fetch_assoc($resData))
// $data[] = $row; // fetching all data
//
$resLeaders = Database::query($sql_leaders);
$result = array();
while ($row = Database::fetch_assoc($resLeaders)) {
$row["values"] = array();
// foreach($data as $dataRow) {
// if ($dataRow["user_id"] = $row["user_id"])
// $row["values"][$dataRow["variable"]] = $dataRow["value"];
// }
$result[] = $row;
}
return json_encode($result);
}
function storage_get_position($sv_user, $sv_course, $sv_sco, $sv_key, $sv_asc, $sv_length) {
$sql = "select count(list.user_id) as position
from ".Database::get_main_table(TABLE_MAIN_STORED_VALUES)." search,
".Database::get_main_table(TABLE_MAIN_STORED_VALUES)." list
where search.user_id= '$sv_user'
and search.sco_id = '$sv_sco'
and search.course_id = '$sv_course'
and search.sv_key = '$sv_key'
and list.sv_value ".($sv_asc ? "<=": ">=")." search.sv_value
and list.sco_id = search.sco_id
and list.course_id = search.course_id
and list.sv_key = search.sv_key
order by list.sv_value" ;
$res = Database::query($sql);
if (mysql_num_rows($res) > 0) {
$row = Database::fetch_assoc($res);
return $row['position'];
}
else {
return null;
}
}
function storage_set($sv_user, $sv_course, $sv_sco, $sv_key, $sv_value) {
$sv_value = mysql_real_escape_string($sv_value);

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