Chamilo is a learning management system focused on ease of use and accessibility
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chamilo-lms/main/inc/lib/events.lib.inc.php

775 lines
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<?php
/* See license terms in /license.txt */
/**
* EVENTS LIBRARY
*
* This is the events library for Dokeos.
* Include/require it in your code to use its functionality.
* Functions of this library are used to record informations when some kind
* of event occur. Each event has his own types of informations then each event
* use its own function.
*
* @package dokeos.library
* @todo convert queries to use Database API
*/
/* INIT SECTION */
// REGROUP TABLE NAMES FOR MAINTENANCE PURPOSE
$TABLETRACK_LOGIN = $_configuration['statistics_database'].".track_e_login";
$TABLETRACK_OPEN = $_configuration['statistics_database'].".track_e_open";
$TABLETRACK_ACCESS = $_configuration['statistics_database'].".track_e_access";
$TABLETRACK_DOWNLOADS = $_configuration['statistics_database'].".track_e_downloads";
$TABLETRACK_UPLOADS = $_configuration['statistics_database'].".track_e_uploads";
$TABLETRACK_LINKS = $_configuration['statistics_database'].".track_e_links";
$TABLETRACK_EXERCICES = $_configuration['statistics_database'].".track_e_exercices";
$TABLETRACK_SUBSCRIPTIONS = $_configuration['statistics_database'].".track_e_subscriptions";
$TABLETRACK_LASTACCESS = $_configuration['statistics_database'].".track_e_lastaccess"; //for "what's new" notification
$TABLETRACK_DEFAULT = $_configuration['statistics_database'].".track_e_default";
/* FUNCTIONS */
/**
* @author Sebastien Piraux <piraux_seb@hotmail.com>
* @desc Record information for open event (when homepage is opened)
*/
function event_open() {
global $_configuration;
global $TABLETRACK_OPEN;
// if tracking is disabled record nothing
if (!$_configuration['tracking_enabled']) {
return 0;
}
// @getHostByAddr($_SERVER['REMOTE_ADDR']) : will provide host and country information
// $_SERVER['HTTP_USER_AGENT'] : will provide browser and os information
// $_SERVER['HTTP_REFERER'] : provide information about refering url
if(isset($_SERVER['HTT_REFERER']))
{
$referer = Database::escape_string($_SERVER['HTTP_REFERER']);
} else {
$referer = '';
}
// record informations only if user comes from another site
//if(!eregi($_configuration['root_web'],$referer))
$pos = strpos($referer, $_configuration['root_web']);
if ($pos === false && $referer != '') {
$remhost = @ getHostByAddr($_SERVER['REMOTE_ADDR']);
if ($remhost == $_SERVER['REMOTE_ADDR'])
$remhost = "Unknown"; // don't change this
$reallyNow = api_get_utc_datetime();
$sql = "INSERT INTO ".$TABLETRACK_OPEN."
(open_remote_host,
open_agent,
open_referer,
open_date)
VALUES
('".$remhost."',
'".Database::escape_string($_SERVER['HTTP_USER_AGENT'])."', '".Database::escape_string($referer)."', '$reallyNow')";
$res = Database::query($sql);
}
return 1;
}
/**
* @author Sebastien Piraux <piraux_seb@hotmail.com>
* @desc Record information for login event
* (when an user identifies himself with username & password)
*/
function event_login() {
global $_configuration;
global $_user;
global $TABLETRACK_LOGIN;
// if tracking is disabled record nothing
if (!$_configuration['tracking_enabled']) {
return 0;
}
$reallyNow = api_get_utc_datetime();
$sql = "INSERT INTO ".$TABLETRACK_LOGIN." (login_user_id, login_ip, login_date, logout_date)
VALUES ('".$_user['user_id']."',
'".Database::escape_string($_SERVER['REMOTE_ADDR'])."',
'".$reallyNow."',
'".$reallyNow."'
)";
$res = Database::query($sql);
}
/**
* @param tool name of the tool (name in mainDb.accueil table)
* @author Sebastien Piraux <piraux_seb@hotmail.com>
* @desc Record information for access event for courses
*/
function event_access_course() {
global $_configuration;
global $_user;
global $_cid;
global $TABLETRACK_ACCESS;
global $TABLETRACK_LASTACCESS; //for "what's new" notification
// if tracking is disabled record nothing
if (!$_configuration['tracking_enabled']){
return 0;
}
$id_session = api_get_session_id();
$reallyNow = api_get_utc_datetime();
if ($_user['user_id']) {
$user_id = "'".$_user['user_id']."'";
} else {
$user_id = "0"; // no one
}
$sql = "INSERT INTO ".$TABLETRACK_ACCESS."
(access_user_id,
access_cours_code,
access_date,
access_session_id)
VALUES
(".$user_id.",
'".$_cid."',
'".$reallyNow."',
'".$id_session."')";
$res = Database::query($sql);
// added for "what's new" notification
$sql = "UPDATE $TABLETRACK_LASTACCESS
SET access_date = '$reallyNow'
WHERE access_user_id = $user_id AND access_cours_code = '$_cid' AND access_tool IS NULL AND access_session_id=".$id_session;
$res = Database::query($sql);
if (Database::affected_rows() == 0) {
$sql = "INSERT INTO $TABLETRACK_LASTACCESS (access_user_id, access_cours_code, access_date, access_session_id)
VALUES (".$user_id.", '".$_cid."', '$reallyNow', '".$id_session."')";
$res = Database::query($sql);
}
// end "what's new" notification
return 1;
}
/**
* @param tool name of the tool (name in mainDb.accueil table)
* @author Sebastien Piraux <piraux_seb@hotmail.com>
* @desc Record information for access event for tools
*
* $tool can take this values :
* Links, Calendar, Document, Announcements,
* Group, Video, Works, Users, Exercices, Course Desc
* ...
* Values can be added if new modules are created (15char max)
* I encourage to use $nameTool as $tool when calling this function
*
* Functionality for "what's new" notification is added by Toon Van Hoecke
*/
function event_access_tool($tool, $id_session=0) {
global $_configuration;
// if tracking is disabled record nothing
// if( ! $_configuration['tracking_enabled'] ) return 0; //commented because "what's new" notification must always occur
global $_user;
global $_cid;
global $TABLETRACK_ACCESS;
global $_configuration;
global $_course;
global $TABLETRACK_LASTACCESS; //for "what's new" notification
$id_session = api_get_session_id();
$tool = Database::escape_string($tool);
$reallyNow = api_get_utc_datetime();
$user_id = $_user['user_id'] ? "'".$_user['user_id']."'" : "0"; // no one
// record information
// only if user comes from the course $_cid
//if( eregi($_configuration['root_web'].$_cid,$_SERVER['HTTP_REFERER'] ) )
//$pos = strpos($_SERVER['HTTP_REFERER'],$_configuration['root_web'].$_cid);
$pos = strpos(strtolower($_SERVER['HTTP_REFERER']), strtolower(api_get_path(WEB_COURSE_PATH).$_course['path']));
// added for "what's new" notification
$pos2 = strpos(strtolower($_SERVER['HTTP_REFERER']), strtolower($_configuration['root_web']."index"));
// end "what's new" notification
if ($_configuration['tracking_enabled'] && ($pos !== false || $pos2 !== false)) {
$sql = "INSERT INTO ".$TABLETRACK_ACCESS."
(access_user_id,
access_cours_code,
access_tool,
access_date,
access_session_id
)
VALUES
(".$user_id.",".// Don't add ' ' around value, it's already done.
"'".$_cid."' ,
'".$tool."',
'".$reallyNow."',
'".$id_session."')";
$res = Database::query($sql);
}
// "what's new" notification
$sql = "UPDATE $TABLETRACK_LASTACCESS
SET access_date = '$reallyNow'
WHERE access_user_id = ".$user_id." AND access_cours_code = '".$_cid."' AND access_tool = '".$tool."' AND access_session_id=".$id_session;
$res = Database::query($sql);
if (Database::affected_rows() == 0) {
$sql = "INSERT INTO $TABLETRACK_LASTACCESS (access_user_id,access_cours_code,access_tool, access_date, access_session_id)
VALUES (".$user_id.", '".$_cid."' , '$tool', '$reallyNow', $id_session)";
$res = Database::query($sql);
}
return 1;
}
/**
* @param doc_id id of document (id in mainDb.document table)
* @author Sebastien Piraux <piraux_seb@hotmail.com>
* @desc Record information for download event
* (when an user click to d/l a document)
* it will be used in a redirection page
* bug fixed: Roan Embrechts
* Roan:
* The user id is put in single quotes,
* (why? perhaps to prevent sql insertion hacks?)
* and later again.
* Doing this twice causes an error, I remove one of them.
*/
function event_download($doc_url) {
global $_configuration, $_user, $_cid;
$tbl_stats_downloads = Database::get_statistic_table(TABLE_STATISTIC_TRACK_E_DOWNLOADS);
// if tracking is disabled record nothing
if (!$_configuration['tracking_enabled']) {
return 0;
}
$doc_url = Database::escape_string($doc_url);
$reallyNow = api_get_utc_datetime();
if ($_user['user_id']) {
$user_id = "'".$_user['user_id']."'";
} else {
$user_id = "0";
}
$sql = "INSERT INTO $tbl_stats_downloads (
down_user_id,
down_cours_id,
down_doc_path,
down_date,
down_session_id
)
VALUES (
".$user_id.",
'".$_cid."',
'".$doc_url."',
'".$reallyNow."',
'".api_get_session_id()."'
)";
$res = Database::query($sql);
return 1;
}
/**
* @param doc_id id of document (id in mainDb.document table)
* @author Sebastien Piraux <piraux_seb@hotmail.com>
* @desc Record information for upload event
* used in the works tool to record informations when
* an user upload 1 work
*/
function event_upload($doc_id) {
global $_configuration;
global $_user;
global $_cid;
global $TABLETRACK_UPLOADS;
// if tracking is disabled record nothing
if (!$_configuration['tracking_enabled']) {
return 0;
}
$reallyNow = api_get_utc_datetime();
if (isset($_user['user_id']) && $_user['user_id']!='') {
$user_id = "'".$_user['user_id']."'";
} else {
$user_id = "0"; // anonymous
}
$sql = "INSERT INTO ".$TABLETRACK_UPLOADS."
( upload_user_id,
upload_cours_id,
upload_work_id,
upload_date,
upload_session_id
)
VALUES (
".$user_id.",
'".$_cid."',
'".$doc_id."',
'".$reallyNow."',
'".api_get_session_id()."'
)";
$res = Database::query($sql);
return 1;
}
/**
* @param link_id (id in coursDb liens table)
* @author Sebastien Piraux <piraux_seb@hotmail.com>
* @desc Record information for link event (when an user click on an added link)
* it will be used in a redirection page
*/
function event_link($link_id) {
global $_configuration, $_user, $TABLETRACK_LINKS;
// if tracking is disabled record nothing
if (!$_configuration['tracking_enabled']) {
return 0;
}
$reallyNow = api_get_utc_datetime();
if (isset($_user['user_id']) && $_user['user_id']!='') {
$user_id = "'".Database::escape_string($_user['user_id'])."'";
} else {
// anonymous
$user_id = "0";
}
$sql = "INSERT INTO ".$TABLETRACK_LINKS."
( links_user_id,
links_cours_id,
links_link_id,
links_date,
links_session_id
) VALUES (
".$user_id.",
'".api_get_course_id()."',
'".Database::escape_string($link_id)."',
'".$reallyNow."',
'".api_get_session_id()."'
)";
$res = Database::query($sql);
return 1;
}
/**
* Update the TRACK_E_EXERCICES exercises
*
* @param int exeid id of the attempt
* @param int exo_id exercise id
* @param mixed result score
* @param int weighting ( higher score )
* @param int duration ( duration of the attempt, in seconds )
* @param int session_id
* @param int learnpath_id (id of the learnpath)
* @param int learnpath_item_id (id of the learnpath_item)
*
* @author Sebastien Piraux <piraux_seb@hotmail.com>
* @author Julio Montoya Armas <gugli100@gmail.com> Reworked 2010
* @desc Record result of user when an exercice was done
*/
function update_event_exercice($exeid, $exo_id, $score, $weighting,$session_id,$learnpath_id=0, $learnpath_item_id=0, $learnpath_item_view_id = 0, $duration) {
if ($exeid!='') {
// Validation in case of fraud with actived control time
if (!exercise_time_control_is_valid($exo_id)) {
$score = 0;
}
$now = time();
//Validation in case of wrong start_date
if (isset($_SESSION['exercice_start_date'])) {
$start_date = $_SESSION['exercice_start_date'];
$diff = abs($start_date - $now);
if ($diff > 14400) { // 14400 = 4h*60*60 more than 4h of diff
$start_date = $now - 1800; // Now - 30min
}
}
$TABLETRACK_EXERCICES = Database::get_statistic_table(TABLE_STATISTIC_TRACK_E_EXERCICES);
$sql = "UPDATE $TABLETRACK_EXERCICES SET
exe_exo_id = '".Database::escape_string($exo_id)."',
exe_result = '".Database::escape_string($score)."',
exe_weighting = '".Database::escape_string($weighting)."',
session_id = '".Database::escape_string($session_id)."',
orig_lp_id = '".Database::escape_string($learnpath_id)."',
orig_lp_item_id = '".Database::escape_string($learnpath_item_id)."',
orig_lp_item_view_id = '".Database::escape_string($learnpath_item_view_id)."',
exe_duration = '".Database::escape_string($duration)."',
exe_date = '".api_get_utc_datetime()."',
status = '',
start_date = '".api_get_utc_datetime($start_date)."'
WHERE exe_id = '".Database::escape_string($exeid)."'";
$res = @Database::query($sql);
//Deleting control time session track
exercise_time_control_delete($exo_id);
error_log('update_event_exercice');
error_log($sql);
return $res;
} else
return false;
}
/**
* This function creates an empty Exercise in STATISTIC_TRACK_E_EXERCICES table.
* After that in exercise_result.php we call the update_event_exercice() to update the exercise
* @return $id the last id registered
* @author Julio Montoya <gugli100@gmail.com>
* @desc Record result of user when an exercice was done
*/
function create_event_exercice($exo_id) {
global $_user, $_configuration;
error_log('create_event_exercice');
$TABLETRACK_EXERCICES = Database::get_statistic_table(TABLE_STATISTIC_TRACK_E_EXERCICES);
$TBL_EXERCICES = Database::get_course_table(TABLE_QUIZ_TEST);
$reallyNow = time();
if (isset($_user['user_id']) && $_user['user_id']!='') {
$user_id = "'".$_user['user_id']."'";
} else {
// anonymous
$user_id = "0";
}
//@todo who did this? should be remove, need other function instead
if(defined('ENABLED_LIVE_EXERCISE_TRACKING')){
$condition = ' WHERE ' .
'exe_exo_id = '."'".Database::escape_string($exo_id)."'".' AND ' .
'exe_user_id = '."'".api_get_user_id()."'".' AND ' .
'exe_cours_id = '."'".api_get_course_id()."'".' AND ' .
'status = '."'incomplete'".' AND '.
'session_id = '."'".api_get_session_id()."'";
$sql = Database::query('SELECT exe_id FROM '.$TABLETRACK_EXERCICES.$condition);
$row = Database::fetch_array($sql);
return $row['exe_id'];
}
// get exercise id
$sql_exe_id='SELECT exercises.id FROM '.$TBL_EXERCICES.' as exercises, '.$TABLETRACK_EXERCICES.' as track_exercises WHERE exercises.id=track_exercises.exe_exo_id AND track_exercises.exe_id="'.Database::escape_string($exo_id).'"';
$res_exe_id=Database::query($sql_exe_id);
$row_exe_id=Database::fetch_row($res_exe_id);
$exercise_id = intval($row_exe_id[0]);
// get expired_date
$current_expired_time_key = get_time_control_key($exercise_id);
if (isset($_SESSION['expired_time'][$current_expired_time_key])) { //Only for exercice of type "One page"
$expired_date = $_SESSION['expired_time'][$current_expired_time_key];
} else {
$expired_date = '0000-00-00 00:00:00';
}
$sql = "INSERT INTO $TABLETRACK_EXERCICES ( exe_user_id, exe_cours_id, expired_time_control, exe_exo_id)
VALUES ( ".$user_id.", '".api_get_course_id()."' ,'".$expired_date."','".$exo_id."')";
$res = Database::query($sql);
$id= Database::insert_id();
return $id;
}
/**
* Record an event for this attempt at answering an exercise
* @param float Score achieved
* @param string Answer given
* @param integer Question ID
* @param integer Exercise ID
* @param integer Position
* @return boolean Result of the insert query
*/
function exercise_attempt($score, $answer, $quesId, $exeId, $j, $exercise_id = 0) {
global $_configuration;
// If tracking is disabled record nothing
if (!$_configuration['tracking_enabled']) {
return 0;
}
$score = Database::escape_string($score);
$answer = Database::escape_string($answer);
$quesId = Database::escape_string($quesId);
$exeId = Database::escape_string($exeId);
$j = Database::escape_string($j);
$TBL_TRACK_ATTEMPT = Database::get_statistic_table(TABLE_STATISTIC_TRACK_E_ATTEMPT);
//Validation in case of fraud with actived control time
if (!exercise_time_control_is_valid($exercise_id)) {
$score = 0;
$answer = 0;
$j = 0;
}
$reallyNow = api_get_utc_datetime();
$user_id = api_get_user_id();
if (!empty($user_id)) {
$user_id = "'".$user_id."'";
} else {
// anonymous
$user_id = api_get_anonymous_id();
}
$sql = "INSERT INTO $TBL_TRACK_ATTEMPT (
exe_id,
user_id,
question_id,
answer,
marks,
course_code,
position,
tms
)
VALUES (
".$exeId.",
".$user_id.",
'".$quesId."',
'".$answer."',
'".$score."',
'".api_get_course_id()."',
'".$j."',
'".$reallyNow."'
)";
if (!empty($quesId) && !empty($exeId) && !empty($user_id)) {
$res = Database::query($sql);
if (defined('ENABLED_LIVE_EXERCISE_TRACKING')){
$TBL_RECORDING = Database::get_statistic_table(TABLE_STATISTIC_TRACK_E_ATTEMPT_RECORDING);
$recording_changes = "INSERT INTO $TBL_RECORDING (exe_id, question_id, marks, insert_date, author) VALUES ('$exeId','$quesId','$score','".api_get_utc_datetime()."','') ";
Database::query($recording_changes);
}
return $res;
} else {
return false;
}
}
/**
* Record an hotspot spot for this attempt at answering an hotspot question
* @param int Exercise ID
* @param int Question ID
* @param int Answer ID
* @param int Whether this answer is correct (1) or not (0)
* @param string Coordinates of this point (e.g. 123;324)
* @return boolean Result of the insert query
* @uses Course code and user_id from global scope $_cid and $_user
*/
function exercise_attempt_hotspot($exe_id, $question_id, $answer_id, $correct, $coords, $exerciseId = 0) {
global $_configuration, $_user;
// if tracking is disabled record nothing
if (!$_configuration['tracking_enabled']) {
return 0;
}
//Validation in case of fraud with actived control time
if (!exercise_time_control_is_valid($exerciseId)) {
$correct = 0;
}
$tbl_track_e_hotspot = Database :: get_statistic_table(TABLE_STATISTIC_TRACK_E_HOTSPOT);
$sql = "INSERT INTO $tbl_track_e_hotspot " .
"(hotspot_user_id, hotspot_course_code, hotspot_exe_id, hotspot_question_id, hotspot_answer_id, hotspot_correct, hotspot_coordinate)".
" VALUES ('" . Database :: escape_string($_user['user_id']) . "'," .
" '" . api_get_course_id() . "', " .
" '" . Database :: escape_string($exe_id) . "', " .
" '" . Database :: escape_string($question_id) . "'," .
" '" . Database :: escape_string($answer_id) . "'," .
" '" . Database :: escape_string($correct) . "'," .
" '" . Database :: escape_string($coords) . "')";
return $result = Database::query($sql);
}
/**
* @author Yannick Warnier <yannick.warnier@dokeos.com>
* @desc Record information for common (or admin) events (in the track_e_default table)
* @param string Type of event
* @param string Type of value
* @param string Value
* @param string Timestamp (defaults to null)
* @param integer User ID (defaults to null)
* @param string Course code (defaults to null)
*/
function event_system($event_type, $event_value_type, $event_value, $timestamp = null, $user_id=null, $course_code=null) {
global $_configuration;
global $_user;
global $TABLETRACK_DEFAULT;
$event_type = Database::escape_string($event_type);
$event_value_type = Database::escape_string($event_value_type);
$event_value = Database::escape_string($event_value);
$timestamp = Database::escape_string($timestamp);
$user_id = Database::escape_string($user_id);
$course_code = Database::escape_string($course_code);
// if tracking is disabled record nothing
if (!$_configuration['tracking_enabled']) {
return 0;
}
if(!isset($timestamp)) {
$timestamp = api_get_utc_datetime();
}
if(!isset($user_id)) {
$user_id = 0;
}
if(!isset($course_code)) {
$course_code = '';
}
$sql = "INSERT INTO $TABLETRACK_DEFAULT
(default_user_id,
default_cours_code,
default_date,
default_event_type,
default_value_type,
default_value
)
VALUES
('$user_id.',
'$course_code',
'$timestamp',
'$event_type',
'$event_value_type',
'$event_value')";
$res = Database::query($sql);
return true;
}
function get_last_attempt_date_of_exercise($exe_id) {
$exe_id = intval($exe_id);
$track_attempts = Database::get_statistic_table(TABLE_STATISTIC_TRACK_E_ATTEMPT);
$track_exercises = Database :: get_statistic_table(TABLE_STATISTIC_TRACK_E_EXERCICES);
$sql_track_attempt = 'SELECT max(tms) as last_attempt_date FROM '.$track_attempts.' WHERE exe_id='.$exe_id;
$rs_last_attempt = Database::query($sql_track_attempt);
$row_last_attempt = Database::fetch_array($rs_last_attempt);
$last_attempt_date = $row_last_attempt['last_attempt_date'];//Get the date of last attempt
return $last_attempt_date;
}
function get_attempt_count($user_id, $exerciseId, $lp_id, $lp_item_id) {
$stat_table = Database :: get_statistic_table(TABLE_STATISTIC_TRACK_E_EXERCICES);
$user_id = intval($user_id);
$exerciseId = intval($exerciseId);
$lp_id = intval($lp_id);
$lp_item_id = intval($lp_item_id);
$sql = "SELECT count(*) as count FROM $stat_table WHERE exe_exo_id = '$exerciseId'
AND exe_user_id = '$user_id' AND status != 'incomplete'
AND orig_lp_id = $lp_id AND orig_lp_item_id = $lp_item_id AND exe_cours_id = '".api_get_course_id()."' AND session_id = '" . api_get_session_id() . "'";
$query = Database::query($sql);
if (Database::num_rows($query) > 0 ) {
$attempt = Database :: fetch_array($query,'ASSOC');
return $attempt['count'];
} else {
return 0;
}
}
function delete_student_lp_events($user_id, $lp_id, $course, $session_id) {
$lp_view_table = Database::get_course_table(TABLE_LP_VIEW, $course['dbName']);
$lp_item_view_table = Database::get_course_table(TABLE_LP_ITEM_VIEW, $course['dbName']);
$track_e_exercises = Database::get_statistic_table(TABLE_STATISTIC_TRACK_E_EXERCICES);
$track_attempts = Database::get_statistic_table(TABLE_STATISTIC_TRACK_E_ATTEMPT);
$TBL_RECORDING = Database::get_statistic_table(TABLE_STATISTIC_TRACK_E_ATTEMPT_RECORDING);
$user_id = intval($user_id);
$lp_id = intval($lp_id);
$session_id = intval($session_id);
//make sure we have the exact lp_view_id
$sqlview = "SELECT id FROM $lp_view_table WHERE user_id = $user_id AND lp_id = $lp_id AND session_id = $session_id ";
$resultview = Database::query($sqlview);
$view = Database::fetch_array($resultview, 'ASSOC');
$lp_view_id = $view['id'];
$sql_delete = "DELETE FROM $lp_item_view_table WHERE lp_view_id = $view_id ";
$result = Database::query($sql_delete);
$sql_delete = "DELETE FROM $lp_view_table WHERE user_id = $user_id AND lp_id= $lp_id AND session_id= $session_id ";
$result = Database::query($sql_delete);
$select_all_attempts = "SELECT exe_id FROM $track_e_exercises WHERE exe_user_id = $user_id AND session_id= $session_id AND exe_cours_id = '{$course['id']}' AND orig_lp_id = $lp_id";
$result = Database::query($select_all_attempts);
$exe_list = array();
while ($row = Database::fetch_array($result, 'ASSOC')) {
$exe_list[] = $row['exe_id'];
}
if (!empty($exe_list) && is_array($exe_list) && count($exe_list) > 1) {
$sql_delete = "DELETE FROM $track_e_exercises WHERE exe_id IN (".implode(',',$exe_list).")";
$result = Database::query($sql_delete);
$sql_delete = "DELETE FROM $track_attempts WHERE exe_id IN (".implode(',',$exe_list).")";
$result = Database::query($sql_delete);
$sql_delete = "DELETE FROM $TBL_RECORDING WHERE exe_id IN (".implode(',',$exe_list).")";
$result = Database::query($sql_delete);
}
}
function get_all_exercise_event($exercise_id, $course_code, $session_id = 0) {
$TABLETRACK_EXERCICES = Database::get_statistic_table(TABLE_STATISTIC_TRACK_E_EXERCICES);
$TBL_TRACK_ATTEMPT = Database::get_statistic_table(TABLE_STATISTIC_TRACK_E_ATTEMPT);
$course_code = Database::escape_string($course_code);
$exercise_id = intval($exercise_id);
$session_id = intval($session_id);
$sql = "SELECT * FROM $TABLETRACK_EXERCICES WHERE status = '' AND exe_cours_id = '$course_code' AND exe_exo_id = '$exercise_id' AND session_id = $session_id";
$res = api_sql_query($sql,__FILE__,__LINE__);
$list = array();
while($row = Database::fetch_array($res,'ASSOC')) {
$list[$row['exe_id']] = $row;
$sql = "SELECT * FROM $TBL_TRACK_ATTEMPT WHERE exe_id = {$row['exe_id']}";
$res_question = api_sql_query($sql,__FILE__,__LINE__);
while($row_q = Database::fetch_array($res_question,'ASSOC')) {
$list[$row['exe_id']]['question_list'][$row_q['question_id']] = $row_q;
}
}
//echo '<pre>'; print_r($list);
return $list;
}
function get_all_exercise_event_from_lp($exercise_id, $course_code, $session_id = 0) {
$TABLETRACK_EXERCICES = Database::get_statistic_table(TABLE_STATISTIC_TRACK_E_EXERCICES);
$TBL_TRACK_ATTEMPT = Database::get_statistic_table(TABLE_STATISTIC_TRACK_E_ATTEMPT);
$course_code = Database::escape_string($course_code);
$exercise_id = intval($exercise_id);
$session_id = intval($session_id);
$sql = "SELECT * FROM $TABLETRACK_EXERCICES WHERE status = '' AND exe_cours_id = '$course_code' AND exe_exo_id = '$exercise_id' AND session_id = $session_id AND orig_lp_id !=0 AND orig_lp_item_id != 0";
$res = api_sql_query($sql,__FILE__,__LINE__);
$list = array();
while($row = Database::fetch_array($res,'ASSOC')) {
$list[$row['exe_id']] = $row;
$sql = "SELECT * FROM $TBL_TRACK_ATTEMPT WHERE exe_id = {$row['exe_id']}";
$res_question = api_sql_query($sql,__FILE__,__LINE__);
while($row_q = Database::fetch_array($res_question,'ASSOC')) {
$list[$row['exe_id']]['question_list'][$row_q['question_id']] = $row_q;
}
}
return $list;
}
/*
function get_all_exercise_event_from_lp($exercise_id, $course_db, $session_id ) {
$lp_item_table = Database :: get_course_table(TABLE_LP_ITEM,$course_db);
$lp_item_view_table = Database :: get_course_table(TABLE_LP_ITEM_VIEW,$course_db);
$lp_view_table = Database :: get_course_table(TABLE_LP_VIEW,$course_db);
$exercise_id = intval($exercise_id);
$session_id = intval($session_id);
$sql = "SELECT title, user_id, score , iv.max_score, status, session_id
FROM $lp_item_table as i INNER JOIN $lp_item_view_table iv ON (i.id = iv.lp_item_id ) INNER JOIN $lp_view_table v ON iv.lp_view_id = v.id
WHERE path = $exercise_id AND status ='completed' AND session_id = $session_id";
$res = api_sql_query($sql,__FILE__,__LINE__);
$list = array();
while($row = Database::fetch_array($res,'ASSOC')) {
$list[$row['exe_id']]['question_list'][$row['question_id']] = $row;
}
//echo '<pre>'; print_r($list);
return $list;
}*/
function get_all_exercises_from_lp($lp_id, $course_db) {
$lp_item_table = Database :: get_course_table(TABLE_LP_ITEM,$course_db);
$lp_id = intval($lp_id);
$sql = "SELECT * FROM $lp_item_table WHERE lp_id = '".$lp_id."' ORDER BY parent_item_id, display_order";
$res = api_sql_query($sql, __FILE__, __LINE__);
$my_exercise_list = array();
while($row = Database::fetch_array($res,'ASSOC')) {
if ($row['item_type'] == 'quiz') {
$my_exercise_list[] = $row;
}
}
return $my_exercise_list;
}