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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

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<?php
/* See license terms in /license.txt */
/**
* EVENTS LIBRARY
*
* This is the events library for Chamilo.
* 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 chamilo.library
*/
/**
* @author Sebastien Piraux <piraux_seb@hotmail.com>
* @desc Record information for open event (when homepage is opened)
*/
function event_open()
{
global $_configuration;
$TABLETRACK_OPEN = Database::get_main_table(TABLE_STATISTIC_TRACK_E_OPEN);
// @getHostByAddr($_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['HTTP_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 != '') {
$ip = api_get_real_ip();
$remhost = @ getHostByAddr($ip);
if ($remhost == $ip)
$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()
{
$TABLETRACK_LOGIN = Database::get_main_table(TABLE_STATISTIC_TRACK_E_LOGIN);
$_user = api_get_user_info();
$reallyNow = api_get_utc_datetime();
$sql = "INSERT INTO ".$TABLETRACK_LOGIN." (login_user_id, login_ip, login_date, logout_date) VALUES
('".api_get_user_id()."',
'".Database::escape_string(api_get_real_ip())."',
'".$reallyNow."',
'".$reallyNow."'
)";
Database::query($sql);
// auto subscribe
$user_status = $_user['status'] == SESSIONADMIN ? 'sessionadmin' :
$_user['status'] == COURSEMANAGER ? 'teacher' :
$_user['status'] == DRH ? 'DRH' : 'student';
$autoSubscribe = api_get_setting($user_status.'_autosubscribe');
if ($autoSubscribe) {
$autoSubscribe = explode('|', $autoSubscribe);
foreach ($autoSubscribe as $code) {
if (CourseManager::course_exists($code)) {
CourseManager::subscribe_user($_user['user_id'], $code);
}
}
}
}
/**
* @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()
{
$TABLETRACK_ACCESS = Database::get_main_table(TABLE_STATISTIC_TRACK_E_ACCESS);
$TABLETRACK_LASTACCESS = Database::get_main_table(TABLE_STATISTIC_TRACK_E_LASTACCESS); //for "what's new" notification
$id_session = api_get_session_id();
$now = api_get_utc_datetime();
$courseId = api_get_course_int_id();
$user_id = api_get_user_id();
if ($user_id) {
$user_id = "'".$user_id."'";
} else {
$user_id = "0"; // no one
}
$sql = "INSERT INTO ".$TABLETRACK_ACCESS." (access_user_id, c_id, access_date, access_session_id) VALUES
(".$user_id.", '".$courseId."', '".$now."','".$id_session."')";
Database::query($sql);
// added for "what's new" notification
$sql = "UPDATE $TABLETRACK_LASTACCESS SET access_date = '$now'
WHERE access_user_id = $user_id AND c_id = '$courseId' AND access_tool IS NULL AND access_session_id=".$id_session;
$result = Database::query($sql);
if (Database::affected_rows($result) == 0) {
$sql = "INSERT INTO $TABLETRACK_LASTACCESS (access_user_id, c_id, access_date, access_session_id)
VALUES (".$user_id.", '".$courseId."', '$now', '".$id_session."')";
Database::query($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;
$TABLETRACK_ACCESS = Database::get_main_table(TABLE_STATISTIC_TRACK_E_ACCESS);
$TABLETRACK_LASTACCESS = Database::get_main_table(TABLE_STATISTIC_TRACK_E_LASTACCESS); //for "what's new" notification
$_course = api_get_course_info();
$courseId = api_get_course_int_id();
$id_session = api_get_session_id();
$tool = Database::escape_string($tool);
$reallyNow = api_get_utc_datetime();
$user_id = api_get_user_id();
// 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);
$pos = isset($_SERVER['HTTP_REFERER']) ? strpos(strtolower($_SERVER['HTTP_REFERER']), strtolower(api_get_path(WEB_COURSE_PATH).$_course['path'])) : false;
// added for "what's new" notification
$pos2 = isset($_SERVER['HTTP_REFERER']) ? strpos(strtolower($_SERVER['HTTP_REFERER']), strtolower($_configuration['root_web']."index")) : false;
// end "what's new" notification
if ($pos !== false || $pos2 !== false) {
$sql = "INSERT INTO ".$TABLETRACK_ACCESS."
(access_user_id,
c_id,
access_tool,
access_date,
access_session_id
)
VALUES
(".$user_id.",".// Don't add ' ' around value, it's already done.
"'".$courseId."' ,
'".$tool."',
'".$reallyNow."',
'".$id_session."')";
Database::query($sql);
}
// "what's new" notification
$sql = "UPDATE $TABLETRACK_LASTACCESS
SET access_date = '$reallyNow'
WHERE access_user_id = ".$user_id." AND c_id = '".$courseId."' AND access_tool = '".$tool."' AND access_session_id=".$id_session;
$result = Database::query($sql);
if (Database::affected_rows($result) == 0) {
$sql = "INSERT INTO $TABLETRACK_LASTACCESS (access_user_id, c_id, access_tool, access_date, access_session_id)
VALUES (".$user_id.", '".$courseId."' , '$tool', '$reallyNow', $id_session)";
Database::query($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)
{
$tbl_stats_downloads = Database::get_main_table(TABLE_STATISTIC_TRACK_E_DOWNLOADS);
$doc_url = Database::escape_string($doc_url);
$reallyNow = api_get_utc_datetime();
$user_id = "'".api_get_user_id()."'";
$_cid = api_get_course_int_id();
$sql = "INSERT INTO $tbl_stats_downloads (
down_user_id,
c_id,
down_doc_path,
down_date,
down_session_id
)
VALUES (
".$user_id.",
'".$_cid."',
'".$doc_url."',
'".$reallyNow."',
'".api_get_session_id()."'
)";
Database::query($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)
{
$TABLETRACK_UPLOADS = Database::get_main_table(TABLE_STATISTIC_TRACK_E_UPLOADS);
$courseCode = api_get_course_id();
$reallyNow = api_get_utc_datetime();
$user_id = api_get_user_id();
$sql = "INSERT INTO ".$TABLETRACK_UPLOADS."
( upload_user_id,
upload_cours_id,
upload_work_id,
upload_date,
upload_session_id
)
VALUES (
".$user_id.",
'".$courseCode."',
'".$doc_id."',
'".$reallyNow."',
'".api_get_session_id()."'
)";
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)
{
$TABLETRACK_LINKS = Database::get_main_table(TABLE_STATISTIC_TRACK_E_LINKS);
$reallyNow = api_get_utc_datetime();
$user_id = api_get_user_id();
$sql = "INSERT INTO ".$TABLETRACK_LINKS."
( links_user_id,
c_id,
links_link_id,
links_date,
links_session_id
) VALUES (
".$user_id.",
'".api_get_course_int_id()."',
'".Database::escape_string($link_id)."',
'".$reallyNow."',
'".api_get_session_id()."'
)";
Database::query($sql);
return 1;
}
/**
* Update the TRACK_E_EXERCICES exercises
*
* @param int id of the attempt
* @param int exercise id
* @param mixed score obtained
* @param int highest score for this exercise (and combination of questions)
* @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_exercise($exeid, $exo_id, $score, $weight, $session_id, $learnpath_id = 0, $learnpath_item_id = 0, $learnpath_item_view_id = 0, $duration = 0, $status = '', $remind_list = array() , $end_date = null) {
global $debug;
$TABLETRACK_EXERCICES = Database::get_main_table(TABLE_STATISTIC_TRACK_E_EXERCICES);
if ($debug) {
error_log('Called to update_event_exercise');
error_log('duration:'.$duration);
}
if (!empty($exeid)) {
// Validation in case of fraud with actived control time
if (!ExerciseLib::exercise_time_control_is_valid($exo_id, $learnpath_id, $learnpath_item_id)) {
$score = 0;
}
if (!isset($status) || empty($status)) {
$status = '';
} else {
$status = Database::escape_string($status);
}
if (!empty($remind_list)) {
$remind_list = array_map('intval', $remind_list);
$remind_list = array_filter($remind_list);
$remind_list = implode(",", $remind_list);
} else {
$remind_list = '';
}
if (empty($end_date)) {
$end_date = api_get_utc_datetime();
}
$sql = "UPDATE $TABLETRACK_EXERCICES SET
exe_exo_id = '".Database::escape_string($exo_id)."',
exe_result = '".Database::escape_string($score)."',
exe_weighting = '".Database::escape_string($weight)."',
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($duration)."',
exe_date = '".$end_date."',
status = '".$status."',
questions_to_check = '".$remind_list."'
WHERE exe_id = '".Database::escape_string($exeid)."'";
$res = Database::query($sql);
if ($debug) {
error_log('update_event_exercise called');
error_log("$sql");
}
//Deleting control time session track
//ExerciseLib::exercise_time_control_delete($exo_id);
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_exercise() to update the exercise
* @return int $id the last id registered, or false on error
* @author Julio Montoya <gugli100@gmail.com>
* @desc Record result of user when an exercice was done
* @deprecated this function seems to be deprecated
*/
function createEventExercise($exo_id)
{
if (empty($exo_id) or (intval($exo_id) != $exo_id)) {
return false;
}
$tbl_track_exe = Database::get_main_table(TABLE_STATISTIC_TRACK_E_EXERCICES);
$tbl_exe = Database::get_course_table(TABLE_QUIZ_TEST);
$uid = api_get_user_id();
$course_id = api_get_course_int_id();
// First, check the exercise exists
$sql_exe_id = "SELECT exercises.id FROM $tbl_exe as exercises WHERE c_id = $course_id AND exercises.id=$exo_id";
$res_exe_id = Database::query($sql_exe_id);
if ($res_exe_id === false) {
return false;
} //sql error
if (Database::num_rows($res_exe_id) < 1) {
return false;
} //exe not found
$row_exe_id = Database::fetch_row($res_exe_id);
$exercise_id = intval($row_exe_id[0]);
// Second, check if the record exists in the database (looking for incomplete records)
$sql = "SELECT exe_id FROM $tbl_track_exe
WHERE exe_exo_id = $exo_id AND
exe_user_id = $uid AND c_id = '".$course_id."' AND ".
"status = 'incomplete' AND ".
"session_id = ".api_get_session_id();
$res = Database::query($sql);
if ($res === false) {
return false;
}
if (Database::num_rows($res) > 0) {
$row = Database::fetch_array($res);
return $row['exe_id'];
}
// No record was found, so create one
// get expire time to insert into the tracking record
$current_expired_time_key = ExerciseLib::get_time_control_key($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 $tbl_track_exe (exe_user_id, c_id, expired_time_control, exe_exo_id, session_id)
VALUES ($uid, '".$course_id."' ,'$expired_date','$exo_id','".api_get_session_id()."')";
Database::query($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
* @param integer Exercise attempt ID (from track_e_exercise)
* @param string Filename (for audio answers - using nanogong)
* @param integer ID of the user who's going to get this score. Default value of null means "get from context".
* @param integer Course ID (from the "id" column of course table). Default value of null means "get from context".
* @param integer Session ID (from the session table). Default value of null means "get from context".
* @param integer Learnpath ID (from c_lp table). Default value of null means "get from context".
* @param integer Learnpath item ID (from the c_lp_item table). Default value of null means "get from context".
* @return boolean Result of the insert query
*/
function saveExerciseAttempt(
$score,
$answer,
$question_id,
$exe_id,
$position,
$exercise_id = 0,
$nano = null,
$user_id = null,
$course_id = null,
$session_id = null,
$learnpath_id = null,
$learnpath_item_id = null
) {
global $debug;
$score = Database::escape_string($score);
$answer = Database::escape_string($answer);
$question_id = Database::escape_string($question_id);
$exe_id = Database::escape_string($exe_id);
$position = Database::escape_string($position);
$now = api_get_utc_datetime();
// check user_id or get from context
if (empty($user_id) or intval($user_id) != $user_id) {
$user_id = api_get_user_id();
// anonymous
if (empty($user_id)) {
$user_id = api_get_anonymous_id();
}
}
// check course_id or get from context
if (empty($course_id) or intval($course_id) != $course_id) {
$course_id = api_get_course_int_id();
}
// check session_id or get from context
if (empty($session_id) or intval($session_id) != $session_id) {
$session_id = api_get_session_id();
}
// check learnpath_id or get from context
if (empty($learnpath_id)) {
global $learnpath_id;
}
// check learnpath_item_id or get from context
if (empty($learnpath_item_id)) {
global $learnpath_item_id;
}
$TBL_TRACK_ATTEMPT = Database::get_main_table(TABLE_STATISTIC_TRACK_E_ATTEMPT);
if ($debug) {
error_log("----- entering saveExerciseAttempt() function ------");
error_log("answer: $answer");
error_log("score: $score");
error_log("question_id : $question_id");
error_log("position: $position");
}
//Validation in case of fraud with active control time
if (!ExerciseLib::exercise_time_control_is_valid($exercise_id, $learnpath_id, $learnpath_item_id)) {
if ($debug) {
error_log("exercise_time_control_is_valid is false");
}
$score = 0;
$answer = 0;
}
$file = '';
if (isset($nano)) {
$file = Database::escape_string(basename($nano->load_filename_if_exists(false)));
}
if (!empty($question_id) && !empty($exe_id) && !empty($user_id)) {
$attempt = array(
'user_id' => $user_id,
'question_id' => $question_id,
'answer' => $answer,
'marks' => $score,
'c_id' => $course_id,
'session_id' => $session_id,
'position' => $position,
'tms' => $now,
'filename' => $file,
);
// Check if attempt exists.
$sql = "SELECT exe_id FROM $TBL_TRACK_ATTEMPT
WHERE c_id = $course_id AND
session_id = $session_id AND
exe_id = $exe_id AND
user_id = $user_id AND
question_id = $question_id AND
position = $position";
$result = Database::query($sql);
if (Database::num_rows($result)) {
if ($debug) {
error_log("Attempt already exist: exe_id: $exe_id - user_id:$user_id - question_id:$question_id");
}
//The attempt already exist do not update use update_event_exercise() instead
return false;
} else {
$attempt['exe_id'] = $exe_id;
}
if ($debug) {
error_log("Saving question attempt: ");
error_log($sql);
}
$attempt_id = Database::insert($TBL_TRACK_ATTEMPT, $attempt);
if (defined('ENABLED_LIVE_EXERCISE_TRACKING')) {
$recording_table = Database::get_main_table(TABLE_STATISTIC_TRACK_E_ATTEMPT_RECORDING);
if ($debug) {
error_log("Saving e attempt recording ");
}
$attempt_recording = array(
'exe_id' => $attempt_id,
'question_id' => $question_id,
'marks' => $score,
'insert_date' => $now,
'author' => '',
'session_id' => $session_id,
);
Database::insert($recording_table, $attempt_recording);
}
return $attempt_id;
} 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 $_user
*/
function saveExerciseAttemptHotspot($exe_id, $question_id, $answer_id, $correct, $coords, $exerciseId = 0)
{
global $safe_lp_id, $safe_lp_item_id;
//Validation in case of fraud with actived control time
if (!ExerciseLib::exercise_time_control_is_valid($exerciseId, $safe_lp_id, $safe_lp_item_id)) {
$correct = 0;
}
$tbl_track_e_hotspot = Database :: get_main_table(TABLE_STATISTIC_TRACK_E_HOTSPOT);
$sql = "INSERT INTO $tbl_track_e_hotspot (hotspot_user_id, c_id, hotspot_exe_id, hotspot_question_id, hotspot_answer_id, hotspot_correct, hotspot_coordinate)".
" VALUES ('".api_get_user_id()."',".
" '".api_get_course_int_id()."', ".
" '".Database :: escape_string($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);
}
/**
* Records information for common (or admin) events (in the track_e_default table)
* @author Yannick Warnier <yannick.warnier@beeznest.com>
* @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)
* @assert ('','','') === false
*/
function event_system($event_type, $event_value_type, $event_value, $datetime = null, $user_id = null, $course_code = null)
{
$TABLETRACK_DEFAULT = Database::get_main_table(TABLE_STATISTIC_TRACK_E_DEFAULT);
if (empty($event_type)) {
return false;
}
$event_type = Database::escape_string($event_type);
$event_value_type = Database::escape_string($event_value_type);
//Clean the user_info
if ($event_value_type == LOG_USER_OBJECT) {
if (is_array($event_value)) {
unset($event_value['complete_name']);
unset($event_value['complete_name_with_username']);
unset($event_value['firstName']);
unset($event_value['lastName']);
unset($event_value['avatar_small']);
unset($event_value['avatar_sys_path']);
unset($event_value['avatar']);
unset($event_value['mail']);
unset($event_value['password']);
unset($event_value['lastLogin']);
unset($event_value['picture_uri']);
$event_value = serialize($event_value);
}
}
$event_value = Database::escape_string($event_value);
$course_info = api_get_course_info($course_code);
if (!empty($course_info)) {
$course_id = $course_info['real_id'];
$course_code = $course_info['code'];
$course_code = Database::escape_string($course_code);
} else {
$course_id = null;
$course_code = null;
}
if (!isset($datetime)) {
$datetime = api_get_utc_datetime();
}
$datetime = Database::escape_string($datetime);
if (!isset($user_id)) {
$user_id = api_get_user_id();
}
$user_id = intval($user_id);
$sql = "INSERT INTO $TABLETRACK_DEFAULT
(default_user_id,
default_cours_code,
c_id,
default_date,
default_event_type,
default_value_type,
default_value
)
VALUES('$user_id.',
'$course_code',
'$course_id',
'$datetime',
'$event_type',
'$event_value_type',
'$event_value')";
Database::query($sql);
return true;
}
/**
* Get every email stored in the database
*
* @param int $etId
* @return type
* @assert () !== false
*/
function get_all_event_types()
{
global $event_config;
$sql = 'SELECT etm.id, event_type_name, activated, language_id, message, subject, dokeos_folder
FROM '.Database::get_main_table(TABLE_EVENT_EMAIL_TEMPLATE).' etm
INNER JOIN '.Database::get_main_table(TABLE_MAIN_LANGUAGE).' l
ON etm.language_id = l.id';
$events_types = Database::store_result(Database::query($sql), 'ASSOC');
$to_return = array();
foreach ($events_types as $et) {
$et['nameLangVar'] = $event_config[$et["event_type_name"]]["name_lang_var"];
$et['descLangVar'] = $event_config[$et["event_type_name"]]["desc_lang_var"];
$to_return[] = $et;
}
return $to_return;
}
/**
* Get users linked to an event
*
* @param int $etId
* @return type
*/
function get_users_subscribed_to_event($event_name)
{
$event_name = Database::escape_string($event_name);
$sql = 'SELECT u.* FROM '.Database::get_main_table(TABLE_MAIN_USER).' u,'
.Database::get_main_table(TABLE_MAIN_EVENT_TYPE).' e,'
.Database::get_main_table(TABLE_EVENT_TYPE_REL_USER).' ue
WHERE ue.user_id = u.user_id
AND e.name = "'.$event_name.'"
AND e.id = ue.event_type_id';
$return = Database::store_result(Database::query($sql), 'ASSOC');
return json_encode($return);
}
/**
* Get the users related to one event
*
* @param string $event_name
*/
function get_event_users($event_name)
{
$event_name = Database::escape_string($event_name);
$sql = 'SELECT user.user_id, user.firstname, user.lastname FROM '.Database::get_main_table(TABLE_MAIN_USER).' user JOIN '.Database::get_main_table(TABLE_EVENT_TYPE_REL_USER).' relUser
ON relUser.user_id = user.user_id
WHERE user.status <> '.ANONYMOUS.' AND relUser.event_type_name = "'.$event_name.'"';
//For tests
//$sql = 'SELECT user.user_id, user.firstname, user.lastname FROM '.Database::get_main_table(TABLE_MAIN_USER);
$user_list = Database::store_result(Database::query($sql), 'ASSOC');
return json_encode($user_list);
}
function get_events_by_user_and_type($user_id, $event_type)
{
$TABLETRACK_DEFAULT = Database::get_main_table(TABLE_STATISTIC_TRACK_E_DEFAULT);
$user_id = intval($user_id);
$event_type = Database::escape_string($event_type);
$sql = "SELECT * FROM $TABLETRACK_DEFAULT
WHERE default_value_type = 'user_id' AND
default_value = $user_id AND
default_event_type = '$event_type'
ORDER BY default_date ";
$result = Database::query($sql);
if ($result) {
return Database::store_result($result, 'ASSOC');
}
return false;
}
function get_latest_event_by_user_and_type($user_id, $event_type)
{
$result = get_events_by_user_and_type($user_id, $event_type);
if ($result && !empty($result)) {
return $result[0];
}
}
/**
* Save the new message for one event and for one language
*
* @param string $eventName
* @param array $users
* @param string $message
* @param string $subject
* @param string $eventMessageLanguage
* @param int $activated
*/
function save_event_type_message($event_name, $users, $message, $subject, $event_message_language, $activated)
{
$event_name = Database::escape_string($event_name);
$activated = intval($activated);
$event_message_language = Database::escape_string($event_message_language);
// Deletes then re-adds the users linked to the event
$sql = 'DELETE FROM '.Database::get_main_table(TABLE_EVENT_TYPE_REL_USER).' WHERE event_type_name = "'.$event_name.'" ';
Database::query($sql);
foreach ($users as $user) {
$sql = 'INSERT INTO '.Database::get_main_table(TABLE_EVENT_TYPE_REL_USER).' (user_id,event_type_name) VALUES('.intval($user).',"'.$event_name.'")';
Database::query($sql);
}
$language_id = api_get_language_id($event_message_language);
// check if this template in this language already exists or not
$sql = 'SELECT COUNT(id) as total FROM '.Database::get_main_table(TABLE_EVENT_EMAIL_TEMPLATE).'
WHERE event_type_name = "'.$event_name.'" AND language_id = '.$language_id;
$sql = Database::store_result(Database::query($sql), 'ASSOC');
// if already exists, we update
if ($sql[0]["total"] > 0) {
$sql = 'UPDATE '.Database::get_main_table(TABLE_EVENT_EMAIL_TEMPLATE).'
SET message = "'.Database::escape_string($message).'",
subject = "'.Database::escape_string($subject).'",
activated = '.$activated.'
WHERE event_type_name = "'.$event_name.'" AND language_id = (SELECT id FROM '.Database::get_main_table(TABLE_MAIN_LANGUAGE).'
WHERE dokeos_folder = "'.$event_message_language.'")';
Database::query($sql);
} else { // else we create a new record
// gets the language_-_id
$lang_id = '(SELECT id FROM '.Database::get_main_table(TABLE_MAIN_LANGUAGE).'
WHERE dokeos_folder = "'.$event_message_language.'")';
$lang_id = Database::store_result(Database::query($lang_id), 'ASSOC');
if (!empty($lang_id[0]["id"])) {
$sql = 'INSERT INTO '.Database::get_main_table(TABLE_EVENT_EMAIL_TEMPLATE).' (event_type_name, language_id, message, subject, activated)
VALUES("'.$event_name.'", '.$lang_id[0]["id"].', "'.Database::escape_string($message).'", "'.Database::escape_string($subject).'", '.$activated.')';
Database::query($sql);
}
}
// set activated at every save
$sql = 'UPDATE '.Database::get_main_table(TABLE_EVENT_EMAIL_TEMPLATE).'
SET activated = '.$activated.'
WHERE event_type_name = "'.$event_name.'"';
Database::query($sql);
}
function eventType_mod($etId, $users, $message, $subject)
{
$etId = intval($etId);
$sql = 'DELETE FROM '.Database::get_main_table(TABLE_EVENT_TYPE_REL_USER).' WHERE event_type_id = '.$etId.' ';
Database::query($sql);
foreach ($users as $user) {
$sql = 'INSERT INTO '.Database::get_main_table(TABLE_EVENT_TYPE_REL_USER).' (user_id,event_type_id)
VALUES('.intval($user).','.$etId.') ';
Database::query($sql);
}
$sql = 'UPDATE '.Database::get_main_table(TABLE_MAIN_EVENT_TYPE_MESSAGE).'
SET message = "'.Database::escape_string($message).'",
subject = "'.Database::escape_string($subject).'"
WHERE event_type_id = '.$etId.'';
Database::query($sql);
}
/**
* Gets the last attempt of an exercise based in the exe_id
* @param int $exe_id
* @return mixed
*/
function getLastAttemptDateOfExercise($exe_id)
{
$exe_id = intval($exe_id);
$track_attempts = Database::get_main_table(TABLE_STATISTIC_TRACK_E_ATTEMPT);
$sql_track_attempt = 'SELECT max(tms) as last_attempt_date FROM '.$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;
}
/**
* Gets the last attempt of an exercise based in the exe_id
* @param int $exe_id
* @return mixed
*/
function getLatestQuestionIdFromAttempt($exe_id)
{
$exe_id = intval($exe_id);
$track_attempts = Database::get_main_table(TABLE_STATISTIC_TRACK_E_ATTEMPT);
$sql = 'SELECT question_id FROM '.$track_attempts.' WHERE exe_id='.$exe_id.' ORDER BY tms DESC LIMIT 1';
$result = Database::query($sql);
if (Database::num_rows($result)) {
$row = Database::fetch_array($result);
return $row['question_id'];
} else {
return false;
}
}
/**
* Gets how many attempts exists by user, exercise, learning path
* @param int user id
* @param int exercise id
* @param int lp id
* @param int lp item id
* @param int lp item view id
*/
function get_attempt_count($user_id, $exerciseId, $lp_id, $lp_item_id, $lp_item_view_id)
{
$stat_table = Database :: get_main_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);
$lp_item_view_id = intval($lp_item_view_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
orig_lp_item_view_id = $lp_item_view_id AND
c_id = '".api_get_course_int_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 $attempt['count'];
} else {
return 0;
}
}
function get_attempt_count_not_finished($user_id, $exerciseId, $lp_id, $lp_item_id)
{
$stat_table = Database :: get_main_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);
//$lp_item_view_id = intval($lp_item_view_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
c_id = '".api_get_course_int_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;
}
}
/**
* @param int $user_id
* @param int $lp_id
* @param array $course
* @param int $session_id
*/
function delete_student_lp_events($user_id, $lp_id, $course, $session_id)
{
$lp_view_table = Database::get_course_table(TABLE_LP_VIEW);
$lp_item_view_table = Database::get_course_table(TABLE_LP_ITEM_VIEW);
$course_id = $course['real_id'];
if (empty($course_id)) {
$course_id = api_get_course_int_id();
}
$track_e_exercises = Database::get_main_table(TABLE_STATISTIC_TRACK_E_EXERCICES);
$track_attempts = Database::get_main_table(TABLE_STATISTIC_TRACK_E_ATTEMPT);
$recording_table = Database::get_main_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
$sql = "SELECT id FROM $lp_view_table WHERE c_id = $course_id AND user_id = $user_id AND lp_id = $lp_id AND session_id = $session_id ";
$result = Database::query($sql);
if (Database::num_rows($result)) {
$view = Database::fetch_array($result, 'ASSOC');
$lp_view_id = $view['id'];
$sql = "DELETE FROM $lp_item_view_table WHERE c_id = $course_id AND lp_view_id = $lp_view_id ";
Database::query($sql);
}
$sql = "DELETE FROM $lp_view_table WHERE c_id = $course_id AND user_id = $user_id AND lp_id= $lp_id AND session_id = $session_id ";
Database::query($sql);
$sql = "SELECT exe_id FROM $track_e_exercises
WHERE exe_user_id = $user_id AND
session_id = $session_id AND
c_id = $course_id AND
orig_lp_id = $lp_id";
$result = Database::query($sql);
$exe_list = array();
while ($row = Database::fetch_array($result, 'ASSOC')) {
$exe_list[] = $row['exe_id'];
}
if (!empty($exe_list) && is_array($exe_list) && count($exe_list) > 0) {
$sql_delete = "DELETE FROM $track_e_exercises WHERE exe_id IN (".implode(',', $exe_list).")";
Database::query($sql_delete);
$sql_delete = "DELETE FROM $track_attempts WHERE exe_id IN (".implode(',', $exe_list).")";
Database::query($sql_delete);
$sql_delete = "DELETE FROM $recording_table WHERE exe_id IN (".implode(',', $exe_list).")";
Database::query($sql_delete);
}
}
/**
* Delete all exercise attempts (included in LP or not)
*
* @param int user id
* @param int exercise id
* @param string course code
* @param int session id
*/
function delete_all_incomplete_attempts($user_id, $exercise_id, $course_id, $session_id = 0)
{
$track_e_exercises = Database::get_main_table(TABLE_STATISTIC_TRACK_E_EXERCICES);
$user_id = intval($user_id);
$exercise_id = intval($exercise_id);
$course_id = intval($course_id);
$session_id = intval($session_id);
if (!empty($user_id) && !empty($exercise_id) && !empty($course_code)) {
$sql = "DELETE FROM $track_e_exercises
WHERE exe_user_id = $user_id AND
exe_exo_id = $exercise_id AND
c_id = '$course_id' AND
session_id = $session_id AND
status = 'incomplete' ";
Database::query($sql);
}
}
/**
* Gets all exercise results (NO Exercises in LPs ) from a given exercise id, course, session
* @param int exercise id
* @param string course code
* @param int session id
* @return array with the results
*
*/
function get_all_exercise_results($exercise_id, $courseId, $session_id = 0, $load_question_list = true, $user_id = null)
{
$TABLETRACK_EXERCICES = Database::get_main_table(TABLE_STATISTIC_TRACK_E_EXERCICES);
$TBL_TRACK_ATTEMPT = Database::get_main_table(TABLE_STATISTIC_TRACK_E_ATTEMPT);
$courseId = intval($courseId);
$exercise_id = intval($exercise_id);
$session_id = intval($session_id);
$user_condition = null;
if (!empty($user_id)) {
$user_id = intval($user_id);
$user_condition = "AND exe_user_id = $user_id ";
}
$sql = "SELECT * FROM $TABLETRACK_EXERCICES
WHERE status = '' AND
c_id = '$courseId' AND
exe_exo_id = '$exercise_id' AND
session_id = $session_id AND
orig_lp_id =0 AND
orig_lp_item_id = 0
$user_condition
ORDER BY exe_id";
$res = Database::query($sql);
$list = array();
while ($row = Database::fetch_array($res, 'ASSOC')) {
$list[$row['exe_id']] = $row;
if ($load_question_list) {
$sql = "SELECT * FROM $TBL_TRACK_ATTEMPT WHERE exe_id = {$row['exe_id']}";
$res_question = Database::query($sql);
while ($row_q = Database::fetch_array($res_question, 'ASSOC')) {
$list[$row['exe_id']]['question_list'][$row_q['question_id']] = $row_q;
}
}
}
return $list;
}
/**
* Gets all exercise results (NO Exercises in LPs ) from a given exercise id, course, session
* @param string course code
* @param int session id
* @return array with the results
*
*/
function get_all_exercise_results_by_course($courseId, $session_id = 0, $get_count = true)
{
$table_track_exercises = Database::get_main_table(TABLE_STATISTIC_TRACK_E_EXERCICES);
$table_track_attempt = Database::get_main_table(TABLE_STATISTIC_TRACK_E_ATTEMPT);
$courseId = intval($courseId);
$session_id = intval($session_id);
$select = '*';
if ($get_count) {
$select = 'count(*) as count';
}
$sql = "SELECT $select FROM $table_track_exercises
WHERE status = '' AND
c_id = '$courseId' AND
session_id = $session_id AND
orig_lp_id = 0 AND
orig_lp_item_id = 0
ORDER BY exe_id";
$res = Database::query($sql);
if ($get_count) {
$row = Database::fetch_array($res, 'ASSOC');
return $row['count'];
} else {
$list = array();
while ($row = Database::fetch_array($res, 'ASSOC')) {
$list[$row['exe_id']] = $row;
$sql = "SELECT * FROM $table_track_attempt WHERE exe_id = {$row['exe_id']}";
$res_question = Database::query($sql);
while ($row_q = Database::fetch_array($res_question, 'ASSOC')) {
$list[$row['exe_id']]['question_list'][$row_q['question_id']] = $row_q;
}
}
return $list;
}
}
/**
* Gets all exercise results (NO Exercises in LPs) from a given exercise id, course, session
* @param int exercise id
* @param string course code
* @param int session id
* @return array with the results
*
*/
function get_all_exercise_results_by_user($user_id, $courseId, $session_id = 0)
{
$table_track_exercises = Database::get_main_table(TABLE_STATISTIC_TRACK_E_EXERCICES);
$table_track_attempt = Database::get_main_table(TABLE_STATISTIC_TRACK_E_ATTEMPT);
$courseId = intval($courseId);
$session_id = intval($session_id);
$user_id = intval($user_id);
$sql = "SELECT * FROM $table_track_exercises
WHERE status = '' AND
exe_user_id = $user_id AND
c_id = '$courseId' AND
session_id = $session_id AND
orig_lp_id = 0 AND
orig_lp_item_id = 0
ORDER by exe_id";
$res = Database::query($sql);
$list = array();
while ($row = Database::fetch_array($res, 'ASSOC')) {
$list[$row['exe_id']] = $row;
$sql = "SELECT * FROM $table_track_attempt WHERE exe_id = {$row['exe_id']}";
$res_question = Database::query($sql);
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 $list;
}
/**
* Gets exercise results (NO Exercises in LPs) from a given exercise id, course, session
* @param int exercise id
* @param string course code
* @param int session id
* @return array with the results
*
*/
function get_exercise_results_by_attempt($exe_id)
{
$table_track_exercises = Database::get_main_table(TABLE_STATISTIC_TRACK_E_EXERCICES);
$table_track_attempt = Database::get_main_table(TABLE_STATISTIC_TRACK_E_ATTEMPT);
$table_track_attempt_recording = Database::get_main_table(TABLE_STATISTIC_TRACK_E_ATTEMPT_RECORDING);
$exe_id = intval($exe_id);
$sql = "SELECT * FROM $table_track_exercises WHERE status = '' AND exe_id = $exe_id";
$res = Database::query($sql);
$list = array();
if (Database::num_rows($res)) {
$row = Database::fetch_array($res, 'ASSOC');
//Checking if this attempt was revised by a teacher
$sql_revised = 'SELECT exe_id FROM '.$table_track_attempt_recording.' WHERE author != "" AND exe_id = '.$exe_id.' LIMIT 1';
$res_revised = Database::query($sql_revised);
$row['attempt_revised'] = 0;
if (Database::num_rows($res_revised) > 0) {
$row['attempt_revised'] = 1;
}
$list[$exe_id] = $row;
$sql = "SELECT * FROM $table_track_attempt WHERE exe_id = $exe_id ORDER BY tms ASC";
$res_question = Database::query($sql);
while ($row_q = Database::fetch_array($res_question, 'ASSOC')) {
$list[$exe_id]['question_list'][$row_q['question_id']] = $row_q;
}
}
return $list;
}
/**
* Gets exercise results (NO Exercises in LPs) from a given user, exercise id, course, session, lp_id, lp_item_id
* @param int user id
* @param int exercise id
* @param string course code
* @param int session id
* @param int lp id
* @param int lp item id
* @param string order asc or desc
* @return array with the results
*
*/
function getExerciseResultsByUser($user_id, $exercise_id, $courseId, $session_id = 0, $lp_id = 0, $lp_item_id = 0, $order = null)
{
$table_track_exercises = Database::get_main_table(TABLE_STATISTIC_TRACK_E_EXERCICES);
$table_track_attempt = Database::get_main_table(TABLE_STATISTIC_TRACK_E_ATTEMPT);
$table_track_attempt_recording = Database::get_main_table(TABLE_STATISTIC_TRACK_E_ATTEMPT_RECORDING);
$courseId = intval($courseId);
$exercise_id = intval($exercise_id);
$session_id = intval($session_id);
$user_id = intval($user_id);
$lp_id = intval($lp_id);
$lp_item_id = intval($lp_item_id);
if (!in_array(strtolower($order), array('asc', 'desc'))) {
$order = 'asc';
}
$sql = "SELECT * FROM $table_track_exercises
WHERE status = '' AND
exe_user_id = $user_id AND
c_id = $courseId AND
exe_exo_id = $exercise_id AND
session_id = $session_id AND
orig_lp_id = $lp_id AND
orig_lp_item_id = $lp_item_id
ORDER by exe_id $order ";
$res = Database::query($sql);
$list = array();
while ($row = Database::fetch_array($res, 'ASSOC')) {
//Checking if this attempt was revised by a teacher
$sql_revised = 'SELECT exe_id FROM '.$table_track_attempt_recording.' WHERE author != "" AND exe_id = '.$row['exe_id'].' LIMIT 1';
$res_revised = Database::query($sql_revised);
$row['attempt_revised'] = 0;
if (Database::num_rows($res_revised) > 0) {
$row['attempt_revised'] = 1;
}
$list[$row['exe_id']] = $row;
$sql = "SELECT * FROM $table_track_attempt WHERE exe_id = {$row['exe_id']}";
$res_question = Database::query($sql);
while ($row_q = Database::fetch_array($res_question, 'ASSOC')) {
$list[$row['exe_id']]['question_list'][$row_q['question_id']] = $row_q;
}
}
return $list;
}
/**
* Count exercise attempts (NO Exercises in LPs ) from a given exercise id, course, session
* @param int exercise id
* @param int course id
* @param int session id
* @return array with the results
*
*/
function count_exercise_attempts_by_user($user_id, $exercise_id, $courseId, $session_id = 0)
{
$TABLETRACK_EXERCICES = Database::get_main_table(TABLE_STATISTIC_TRACK_E_EXERCICES);
$courseId = intval($courseId);
$exercise_id = intval($exercise_id);
$session_id = intval($session_id);
$user_id = intval($user_id);
$sql = "SELECT count(*) as count FROM $TABLETRACK_EXERCICES
WHERE status = '' AND
exe_user_id = '$user_id' AND
c_id = '$courseId' AND
exe_exo_id = '$exercise_id' AND
session_id = $session_id AND
orig_lp_id =0 AND
orig_lp_item_id = 0
ORDER BY exe_id";
$res = Database::query($sql);
$result = 0;
if (Database::num_rows($res) > 0) {
$row = Database::fetch_array($res, 'ASSOC');
$result = $row['count'];
}
return $result;
}
/**
* Gets all exercise BEST results attempts (NO Exercises in LPs ) from a given exercise id, course, session per user
* @param int exercise id
* @param int course id
* @param int session id
* @return array with the results
* @todo rename this function
*
*/
function get_best_exercise_results_by_user($exercise_id, $courseId, $session_id = 0)
{
$table_track_exercises = Database::get_main_table(TABLE_STATISTIC_TRACK_E_EXERCICES);
$table_track_attempt = Database::get_main_table(TABLE_STATISTIC_TRACK_E_ATTEMPT);
$courseId = intval($courseId);
$exercise_id = intval($exercise_id);
$session_id = intval($session_id);
$sql = "SELECT * FROM $table_track_exercises
WHERE status = '' AND
c_id = $courseId AND
exe_exo_id = '$exercise_id' AND
session_id = $session_id AND
orig_lp_id = 0 AND
orig_lp_item_id = 0
ORDER BY exe_id";
$res = Database::query($sql);
$list = array();
while ($row = Database::fetch_array($res, 'ASSOC')) {
$list[$row['exe_id']] = $row;
$sql = "SELECT * FROM $table_track_attempt WHERE exe_id = {$row['exe_id']}";
$res_question = Database::query($sql);
while ($row_q = Database::fetch_array($res_question, 'ASSOC')) {
$list[$row['exe_id']]['question_list'][$row_q['question_id']] = $row_q;
}
}
//Getting the best results of every student
$best_score_return = array();
foreach ($list as $student_result) {
$user_id = $student_result['exe_user_id'];
$current_best_score[$user_id] = $student_result['exe_result'];
if (isset($current_best_score[$user_id]) && isset($best_score_return[$user_id]) && $current_best_score[$user_id] > $best_score_return[$user_id]['exe_result']) {
$best_score_return[$user_id] = $student_result;
}
}
return $best_score_return;
}
/**
* @param int $user_id
* @param int $exercise_id
* @param int $courseId
* @param int $session_id
* @return array
*/
function get_best_attempt_exercise_results_per_user($user_id, $exercise_id, $courseId, $session_id = 0)
{
$table_track_exercises = Database::get_main_table(TABLE_STATISTIC_TRACK_E_EXERCICES);
$courseId = intval($courseId);
$exercise_id = intval($exercise_id);
$session_id = intval($session_id);
$user_id = intval($user_id);
$sql = "SELECT * FROM $table_track_exercises
WHERE status = '' AND
c_id = '$courseId' AND
exe_exo_id = '$exercise_id' AND
session_id = $session_id AND
exe_user_id = $user_id AND
orig_lp_id =0 AND
orig_lp_item_id = 0
ORDER BY exe_id";
$res = Database::query($sql);
$list = array();
while ($row = Database::fetch_array($res, 'ASSOC')) {
$list[$row['exe_id']] = $row; /*
$sql = "SELECT * FROM $table_track_attempt WHERE exe_id = {$row['exe_id']}";
$res_question = Database::query($sql);
while($row_q = Database::fetch_array($res_question,'ASSOC')) {
$list[$row['exe_id']]['question_list'][$row_q['question_id']] = $row_q;
} */
}
//Getting the best results of every student
$best_score_return = array();
$best_score_return['exe_result'] = 0;
foreach ($list as $result) {
$current_best_score = $result;
if ($current_best_score['exe_result'] > $best_score_return['exe_result']) {
$best_score_return = $result;
}
}
if (!isset($best_score_return['exe_weighting'])) {
$best_score_return = array();
}
return $best_score_return;
}
/**
* @param int $exercise_id
* @param int $courseId
* @param int $session_id
* @return mixed
*/
function count_exercise_result_not_validated($exercise_id, $courseId, $session_id = 0)
{
$table_track_exercises = Database::get_main_table(TABLE_STATISTIC_TRACK_E_EXERCICES);
$table_track_attempt = Database::get_main_table(TABLE_STATISTIC_TRACK_E_ATTEMPT_RECORDING);
$courseId = intval($courseId);
$session_id = intval($session_id);
$exercise_id = intval($exercise_id);
$sql = "SELECT count(e.exe_id) as count
FROM $table_track_exercises e LEFT JOIN $table_track_attempt a ON e.exe_id = a.exe_id
WHERE exe_exo_id = $exercise_id AND
c_id = '$courseId' AND
e.session_id = $session_id AND
orig_lp_id = 0 AND
marks IS NULL AND
status = '' AND
orig_lp_item_id = 0 ORDER BY e.exe_id";
$res = Database::query($sql);
$row = Database::fetch_array($res, 'ASSOC');
return $row['count'];
}
/**
* Gets all exercise BEST results attempts (NO Exercises in LPs ) from a given exercise id, course, session per user
* @param int exercise id
* @param int course id
* @param int session id
* @return array with the results
*
*/
function get_count_exercises_attempted_by_course($courseId, $session_id = 0)
{
$table_track_exercises = Database::get_main_table(TABLE_STATISTIC_TRACK_E_EXERCICES);
$courseId = intval($courseId);
$session_id = intval($session_id);
$sql = "SELECT DISTINCT exe_exo_id, exe_user_id
FROM $table_track_exercises
WHERE status = '' AND
c_id = '$courseId' AND
session_id = $session_id AND
orig_lp_id =0 AND
orig_lp_item_id = 0
ORDER BY exe_id";
$res = Database::query($sql);
$count = 0;
if (Database::num_rows($res) > 0) {
$count = Database::num_rows($res);
}
return $count;
}
/**
* Gets all exercise events from a Learning Path within a Course nd Session
* @param int exercise id
* @param string course_code
* @param int session id
* @return array
*/
function get_all_exercise_event_from_lp($exercise_id, $courseId, $session_id = 0)
{
$table_track_exercises = Database::get_main_table(TABLE_STATISTIC_TRACK_E_EXERCICES);
$table_track_attempt = Database::get_main_table(TABLE_STATISTIC_TRACK_E_ATTEMPT);
$courseId = intval($courseId);
$exercise_id = intval($exercise_id);
$session_id = intval($session_id);
$sql = "SELECT * FROM $table_track_exercises
WHERE status = '' AND
c_id = $courseId AND
exe_exo_id = '$exercise_id' AND
session_id = $session_id AND
orig_lp_id !=0 AND
orig_lp_item_id != 0";
$res = Database::query($sql);
$list = array();
while ($row = Database::fetch_array($res, 'ASSOC')) {
$list[$row['exe_id']] = $row;
$sql = "SELECT * FROM $table_track_attempt WHERE exe_id = {$row['exe_id']}";
$res_question = Database::query($sql);
while ($row_q = Database::fetch_array($res_question, 'ASSOC')) {
$list[$row['exe_id']]['question_list'][$row_q['question_id']] = $row_q;
}
}
return $list;
}
function get_all_exercises_from_lp($lp_id, $course_id)
{
$lp_item_table = Database :: get_course_table(TABLE_LP_ITEM);
$course_id = intval($course_id);
$lp_id = intval($lp_id);
$sql = "SELECT * FROM $lp_item_table WHERE c_id = $course_id AND lp_id = '".$lp_id."' ORDER BY parent_item_id, display_order";
$res = Database::query($sql);
$my_exercise_list = array();
while ($row = Database::fetch_array($res, 'ASSOC')) {
if ($row['item_type'] == 'quiz') {
$my_exercise_list[] = $row;
}
}
return $my_exercise_list;
}
/**
* This function gets the comments of an exercise
*
* @param int $id
* @param int $question_id
* @return string the comment
*/
function get_comments($exe_id, $question_id)
{
$table_track_attempt = Database::get_main_table(TABLE_STATISTIC_TRACK_E_ATTEMPT);
$sql = "SELECT teacher_comment FROM ".$table_track_attempt."
WHERE exe_id='".Database::escape_string($exe_id)."' AND question_id = '".Database::escape_string($question_id)."'
ORDER by question_id";
$sqlres = Database::query($sql);
$comm = Database::result($sqlres, 0, "teacher_comment");
return $comm;
}
/**
* @param int $exe_id
* @return array
*/
function getAllExerciseEventByExeId($exe_id)
{
$table_track_attempt = Database::get_main_table(TABLE_STATISTIC_TRACK_E_ATTEMPT);
$exe_id = intval($exe_id);
$list = array();
$sql = "SELECT * FROM $table_track_attempt WHERE exe_id = $exe_id ORDER BY position";
$res_question = Database::query($sql);
if (Database::num_rows($res_question)) {
while ($row_q = Database::fetch_array($res_question, 'ASSOC')) {
$list[$row_q['question_id']][] = $row_q;
}
}
return $list;
}
/**
*
* @param int $exe_id
* @param int $user_id
* @param int $courseId
* @param int $session_id
* @param int $question_id
*/
function delete_attempt($exe_id, $user_id, $courseId, $session_id, $question_id)
{
$table_track_attempt = Database::get_main_table(TABLE_STATISTIC_TRACK_E_ATTEMPT);
$exe_id = intval($exe_id);
$user_id = intval($user_id);
$courseId = intval($courseId);
$session_id = intval($session_id);
$question_id = intval($question_id);
$sql = "DELETE FROM $table_track_attempt
WHERE exe_id = $exe_id AND
user_id = $user_id AND
c_id = $courseId AND
session_id = $session_id AND
question_id = $question_id ";
Database::query($sql);
}
/**
* @param $exe_id
* @param $user_id
* @param int $courseId
* @param $question_id
*/
function delete_attempt_hotspot($exe_id, $user_id, $courseId, $question_id)
{
$table_track_attempt = Database::get_main_table(TABLE_STATISTIC_TRACK_E_HOTSPOT);
$exe_id = intval($exe_id);
$user_id = intval($user_id);
$courseId = intval($courseId);
$question_id = intval($question_id);
$sql = "DELETE FROM $table_track_attempt
WHERE hotspot_exe_id = $exe_id AND
hotspot_user_id = $user_id AND
c_id = $courseId AND
hotspot_question_id = $question_id ";
Database::query($sql);
}
function getAnsweredQuestionsFromAttempt($exe_id, $objExercise)
{
$attempt_list = getAllExerciseEventByExeId($exe_id);
$exercise_result = array();
if (!empty($attempt_list)) {
foreach ($attempt_list as $question_id => $options) {
foreach ($options as $item) {
$question_obj = Question::read($item['question_id']);
switch ($question_obj->type) {
case FILL_IN_BLANKS:
$item['answer'] = $objExercise->fill_in_blank_answer_to_string($item['answer']);
break;
case HOT_SPOT:
//var_dump($item['answer']);
break;
}
if ($item['answer'] != '0' && !empty($item['answer'])) {
$exercise_result[] = $question_id;
break;
}
}
}
}
return $exercise_result;
}
/**
* User logs in for the first time to a course
* @param $course_code
* @param $user_id
* @param $session_id
*/
function event_course_login($courseId, $user_id, $session_id)
{
$course_tracking_table = Database::get_main_table(TABLE_STATISTIC_TRACK_E_COURSE_ACCESS);
$time = api_get_datetime();
$courseId = Database::escape_string($courseId);
$user_id = Database::escape_string($user_id);
$session_id = Database::escape_string($session_id);
$sql = "INSERT INTO $course_tracking_table(c_id, user_id, login_course_date, logout_course_date, counter, session_id)
VALUES('".$courseId."', '".$user_id."', '$time', '$time', '1', '".$session_id."')";
Database::query($sql);
//Course catalog stats modifications see #4191
CourseManager::update_course_ranking(null, null, null, null, true, false);
}
/**
* For the sake of genericity, this function is a switch.
* It's called by EventsDispatcher and fires the good function
* with the good require_once.
*
* @param string $event_name
* @param array $params
*/
function event_send_mail($event_name, $params)
{
EventsMail::send_mail($event_name, $params);
}
/**
* Internal function checking if the mail was already sent from that user to that user
* @param string $event_name
* @param int $user_from
* @param int $user_to
* @return boolean
*/
function check_if_mail_already_sent($event_name, $user_from, $user_to = null)
{
if ($user_to == null) {
$sql = 'SELECT COUNT(*) as total FROM '.Database::get_main_table(TABLE_EVENT_SENT).'
WHERE user_from = '.$user_from.' AND event_type_name = "'.$event_name.'"';
} else {
$sql = 'SELECT COUNT(*) as total FROM '.Database::get_main_table(TABLE_EVENT_SENT).'
WHERE user_from = '.$user_from.' AND user_to = '.$user_to.' AND event_type_name = "'.$event_name.'"';
}
$result = Database::store_result(Database::query($sql), 'ASSOC');
return $result[0]["total"];
}
/**
*
* Filter EventEmailTemplate Filters see the main/inc/conf/events.conf.dist.php
*
*/
/**
* Basic template event message filter (to be used by other filters as default)
* @param array $values (passing by reference)
* @return boolean True if everything is OK, false otherwise
*/
function _event_send_mail_filter_func(&$values)
{
return true;
}
/**
* user_registration - send_mail filter
* @param array $values (passing by reference)
* @return boolean True if everything is OK, false otherwise
*/
function user_registration_event_send_mail_filter_func(&$values)
{
$res = _event_send_mail_filter_func($values);
// proper logic for this filter
return $res;
}
/**
* portal_homepage_edited - send_mail filter
* @param array $values (passing by reference)
* @return boolean True if everything is OK, false otherwise
*/
function portal_homepage_edited_event_send_mail_filter_func(&$values)
{
$res = _event_send_mail_filter_func($values);
// proper logic for this filter
return $res;
}