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1022 lines
39 KiB
1022 lines
39 KiB
<?php
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/* See license terms in /license.txt */
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/**
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* EVENTS LIBRARY
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*
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* This is the events library for Chamilo.
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* Include/require it in your code to use its functionality.
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* Functions of this library are used to record informations when some kind
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* of event occur. Each event has his own types of informations then each event
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* use its own function.
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*
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* @package chamilo.library
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*/
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/* INIT SECTION */
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$TABLETRACK_LOGIN = Database::get_statistic_table(TABLE_STATISTIC_TRACK_E_LOGIN);
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$TABLETRACK_OPEN = Database::get_statistic_table(TABLE_STATISTIC_TRACK_E_OPEN);
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$TABLETRACK_ACCESS = Database::get_statistic_table(TABLE_STATISTIC_TRACK_E_ACCESS);
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$TABLETRACK_DOWNLOADS = Database::get_statistic_table(TABLE_STATISTIC_TRACK_E_DOWNLOADS);
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$TABLETRACK_UPLOADS = Database::get_statistic_table(TABLE_STATISTIC_TRACK_E_UPLOADS);
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$TABLETRACK_LINKS = Database::get_statistic_table(TABLE_STATISTIC_TRACK_E_LINKS);
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$TABLETRACK_EXERCICES = Database::get_statistic_table(TABLE_STATISTIC_TRACK_E_EXERCICES);
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//$TABLETRACK_SUBSCRIPTIONS = $_configuration['statistics_database'].".track_e_subscriptions"; // this table is never use
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$TABLETRACK_LASTACCESS = Database::get_statistic_table(TABLE_STATISTIC_TRACK_E_LASTACCESS); //for "what's new" notification
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$TABLETRACK_DEFAULT = Database::get_statistic_table(TABLE_STATISTIC_TRACK_E_DEFAULT);
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/* FUNCTIONS */
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/**
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* @author Sebastien Piraux <piraux_seb@hotmail.com>
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* @desc Record information for open event (when homepage is opened)
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*/
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function event_open() {
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global $_configuration;
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global $TABLETRACK_OPEN;
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// @getHostByAddr($_SERVER['REMOTE_ADDR']) : will provide host and country information
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// $_SERVER['HTTP_USER_AGENT'] : will provide browser and os information
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// $_SERVER['HTTP_REFERER'] : provide information about refering url
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if(isset($_SERVER['HTT_REFERER']))
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{
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$referer = Database::escape_string($_SERVER['HTTP_REFERER']);
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} else {
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$referer = '';
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}
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// record informations only if user comes from another site
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//if(!eregi($_configuration['root_web'],$referer))
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$pos = strpos($referer, $_configuration['root_web']);
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if ($pos === false && $referer != '') {
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$remhost = @ getHostByAddr($_SERVER['REMOTE_ADDR']);
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if ($remhost == $_SERVER['REMOTE_ADDR'])
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$remhost = "Unknown"; // don't change this
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$reallyNow = api_get_utc_datetime();
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$sql = "INSERT INTO ".$TABLETRACK_OPEN."
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(open_remote_host,
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open_agent,
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open_referer,
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open_date)
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VALUES
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('".$remhost."',
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'".Database::escape_string($_SERVER['HTTP_USER_AGENT'])."', '".Database::escape_string($referer)."', '$reallyNow')";
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$res = Database::query($sql);
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}
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return 1;
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}
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/**
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* @author Sebastien Piraux <piraux_seb@hotmail.com>
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* @desc Record information for login event
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* (when an user identifies himself with username & password)
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*/
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function event_login() {
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global $_user;
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global $TABLETRACK_LOGIN;
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$reallyNow = api_get_utc_datetime();
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$sql = "INSERT INTO ".$TABLETRACK_LOGIN." (login_user_id, login_ip, login_date, logout_date)
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VALUES ('".$_user['user_id']."',
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'".Database::escape_string($_SERVER['REMOTE_ADDR'])."',
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'".$reallyNow."',
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'".$reallyNow."'
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)";
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$res = Database::query($sql);
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}
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/**
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* @param tool name of the tool (name in mainDb.accueil table)
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* @author Sebastien Piraux <piraux_seb@hotmail.com>
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* @desc Record information for access event for courses
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*/
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function event_access_course() {
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global $_user;
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global $_cid;
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global $TABLETRACK_ACCESS;
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global $TABLETRACK_LASTACCESS; //for "what's new" notification
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$id_session = api_get_session_id();
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$reallyNow = api_get_utc_datetime();
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if ($_user['user_id']) {
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$user_id = "'".$_user['user_id']."'";
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} else {
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$user_id = "0"; // no one
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}
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$sql = "INSERT INTO ".$TABLETRACK_ACCESS." (access_user_id, access_cours_code, access_date, access_session_id) VALUES
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(".$user_id.", '".$_cid."', '".$reallyNow."','".$id_session."')";
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$res = Database::query($sql);
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// added for "what's new" notification
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$sql = "UPDATE $TABLETRACK_LASTACCESS SET access_date = '$reallyNow'
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WHERE access_user_id = $user_id AND access_cours_code = '$_cid' AND access_tool IS NULL AND access_session_id=".$id_session;
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$res = Database::query($sql);
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if (Database::affected_rows() == 0) {
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$sql = "INSERT INTO $TABLETRACK_LASTACCESS (access_user_id, access_cours_code, access_date, access_session_id)
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VALUES (".$user_id.", '".$_cid."', '$reallyNow', '".$id_session."')";
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$res = Database::query($sql);
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}
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// end "what's new" notification
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return 1;
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}
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/**
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* @param tool name of the tool (name in mainDb.accueil table)
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* @author Sebastien Piraux <piraux_seb@hotmail.com>
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* @desc Record information for access event for tools
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*
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* $tool can take this values :
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* Links, Calendar, Document, Announcements,
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* Group, Video, Works, Users, Exercices, Course Desc
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* ...
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* Values can be added if new modules are created (15char max)
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* I encourage to use $nameTool as $tool when calling this function
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*
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* Functionality for "what's new" notification is added by Toon Van Hoecke
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*/
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function event_access_tool($tool, $id_session=0) {
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global $_configuration;
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global $_user;
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global $_cid;
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global $TABLETRACK_ACCESS;
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global $_course;
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global $TABLETRACK_LASTACCESS; //for "what's new" notification
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$id_session = api_get_session_id();
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$tool = Database::escape_string($tool);
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$reallyNow = api_get_utc_datetime();
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$user_id = $_user['user_id'] ? "'".$_user['user_id']."'" : "0"; // no one
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// record information
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// only if user comes from the course $_cid
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//if( eregi($_configuration['root_web'].$_cid,$_SERVER['HTTP_REFERER'] ) )
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//$pos = strpos($_SERVER['HTTP_REFERER'],$_configuration['root_web'].$_cid);
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$pos = isset($_SERVER['HTTP_REFERER']) ? strpos(strtolower($_SERVER['HTTP_REFERER']), strtolower(api_get_path(WEB_COURSE_PATH).$_course['path'])) : false;
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// added for "what's new" notification
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$pos2 = isset($_SERVER['HTTP_REFERER']) ? strpos(strtolower($_SERVER['HTTP_REFERER']), strtolower($_configuration['root_web']."index")) : false;
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// end "what's new" notification
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if ($pos !== false || $pos2 !== false) {
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$sql = "INSERT INTO ".$TABLETRACK_ACCESS."
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(access_user_id,
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access_cours_code,
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access_tool,
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access_date,
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access_session_id
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)
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VALUES
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(".$user_id.",".// Don't add ' ' around value, it's already done.
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"'".$_cid."' ,
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'".$tool."',
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'".$reallyNow."',
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'".$id_session."')";
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$res = Database::query($sql);
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}
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// "what's new" notification
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$sql = "UPDATE $TABLETRACK_LASTACCESS
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SET access_date = '$reallyNow'
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WHERE access_user_id = ".$user_id." AND access_cours_code = '".$_cid."' AND access_tool = '".$tool."' AND access_session_id=".$id_session;
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$res = Database::query($sql);
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if (Database::affected_rows() == 0) {
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$sql = "INSERT INTO $TABLETRACK_LASTACCESS (access_user_id,access_cours_code,access_tool, access_date, access_session_id)
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VALUES (".$user_id.", '".$_cid."' , '$tool', '$reallyNow', $id_session)";
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$res = Database::query($sql);
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}
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return 1;
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}
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/**
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* @param doc_id id of document (id in mainDb.document table)
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* @author Sebastien Piraux <piraux_seb@hotmail.com>
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* @desc Record information for download event
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* (when an user click to d/l a document)
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* it will be used in a redirection page
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* bug fixed: Roan Embrechts
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* Roan:
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* The user id is put in single quotes,
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* (why? perhaps to prevent sql insertion hacks?)
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* and later again.
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* Doing this twice causes an error, I remove one of them.
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*/
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function event_download($doc_url) {
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$tbl_stats_downloads = Database::get_statistic_table(TABLE_STATISTIC_TRACK_E_DOWNLOADS);
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$doc_url = Database::escape_string($doc_url);
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$reallyNow = api_get_utc_datetime();
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$user_id = "'".api_get_user_id()."'";
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$_cid = api_get_course_id();
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$sql = "INSERT INTO $tbl_stats_downloads (
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down_user_id,
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down_cours_id,
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down_doc_path,
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down_date,
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down_session_id
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)
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VALUES (
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".$user_id.",
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'".$_cid."',
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'".$doc_url."',
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'".$reallyNow."',
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'".api_get_session_id()."'
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)";
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$res = Database::query($sql);
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return 1;
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}
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/**
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* @param doc_id id of document (id in mainDb.document table)
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* @author Sebastien Piraux <piraux_seb@hotmail.com>
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* @desc Record information for upload event
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* used in the works tool to record informations when
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* an user upload 1 work
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*/
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function event_upload($doc_id) {
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global $_user;
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global $_cid;
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global $TABLETRACK_UPLOADS;
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$reallyNow = api_get_utc_datetime();
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if (isset($_user['user_id']) && $_user['user_id']!='') {
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$user_id = "'".$_user['user_id']."'";
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} else {
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$user_id = "0"; // anonymous
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}
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$sql = "INSERT INTO ".$TABLETRACK_UPLOADS."
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( upload_user_id,
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upload_cours_id,
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upload_work_id,
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upload_date,
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upload_session_id
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)
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VALUES (
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".$user_id.",
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'".$_cid."',
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'".$doc_id."',
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'".$reallyNow."',
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'".api_get_session_id()."'
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)";
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$res = Database::query($sql);
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return 1;
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}
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/**
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* @param link_id (id in coursDb liens table)
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* @author Sebastien Piraux <piraux_seb@hotmail.com>
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* @desc Record information for link event (when an user click on an added link)
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* it will be used in a redirection page
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*/
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function event_link($link_id) {
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global $_user, $TABLETRACK_LINKS;
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$reallyNow = api_get_utc_datetime();
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if (isset($_user['user_id']) && $_user['user_id']!='') {
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$user_id = "'".Database::escape_string($_user['user_id'])."'";
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} else {
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// anonymous
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$user_id = "0";
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}
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$sql = "INSERT INTO ".$TABLETRACK_LINKS."
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( links_user_id,
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links_cours_id,
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links_link_id,
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links_date,
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links_session_id
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) VALUES (
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".$user_id.",
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'".api_get_course_id()."',
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'".Database::escape_string($link_id)."',
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'".$reallyNow."',
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'".api_get_session_id()."'
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)";
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$res = Database::query($sql);
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return 1;
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}
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/**
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* Update the TRACK_E_EXERCICES exercises
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*
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* @param int exeid id of the attempt
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* @param int exo_id exercise id
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* @param mixed result score
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* @param int weighting ( higher score )
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* @param int duration ( duration of the attempt, in seconds )
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* @param int session_id
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* @param int learnpath_id (id of the learnpath)
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* @param int learnpath_item_id (id of the learnpath_item)
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*
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* @author Sebastien Piraux <piraux_seb@hotmail.com>
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* @author Julio Montoya Armas <gugli100@gmail.com> Reworked 2010
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* @desc Record result of user when an exercice was done
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*/
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function update_event_exercice($exeid, $exo_id, $score, $weighting,$session_id,$learnpath_id=0, $learnpath_item_id=0, $learnpath_item_view_id = 0, $duration , $question_list) {
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require_once api_get_path(SYS_CODE_PATH).'exercice/exercise.lib.php';
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if ($exeid!='') {
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// Validation in case of fraud with actived control time
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if (!exercise_time_control_is_valid($exo_id)) {
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$score = 0;
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}
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$now = time();
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//Validation in case of wrong start_date
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if (isset($_SESSION['exercice_start_date'])) {
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$start_date = $_SESSION['exercice_start_date'];
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$diff = abs($start_date - $now);
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if ($diff > 14400) { // 14400 = 4h*60*60 more than 4h of diff
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$start_date = $now - 1800; // Now - 30min
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}
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}
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$TABLETRACK_EXERCICES = Database::get_statistic_table(TABLE_STATISTIC_TRACK_E_EXERCICES);
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array_map('intval', $question_list);
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$sql = "UPDATE $TABLETRACK_EXERCICES SET
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exe_exo_id = '".Database::escape_string($exo_id)."',
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exe_result = '".Database::escape_string($score)."',
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exe_weighting = '".Database::escape_string($weighting)."',
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session_id = '".Database::escape_string($session_id)."',
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orig_lp_id = '".Database::escape_string($learnpath_id)."',
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orig_lp_item_id = '".Database::escape_string($learnpath_item_id)."',
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orig_lp_item_view_id = '".Database::escape_string($learnpath_item_view_id)."',
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exe_duration = '".Database::escape_string($duration)."',
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exe_date = '".api_get_utc_datetime()."',
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status = '',
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start_date = '".api_get_utc_datetime($start_date)."',
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data_tracking = '".implode(',', $question_list)."'
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WHERE exe_id = '".Database::escape_string($exeid)."'";
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$res = @Database::query($sql);
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//Deleting control time session track
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exercise_time_control_delete($exo_id);
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return $res;
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} else {
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return false;
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}
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}
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/**
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* This function creates an empty Exercise in STATISTIC_TRACK_E_EXERCICES table.
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* After that in exercise_result.php we call the update_event_exercice() to update the exercise
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* @return $id the last id registered, or false on error
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* @author Julio Montoya <gugli100@gmail.com>
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* @desc Record result of user when an exercice was done
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*/
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function create_event_exercice($exo_id) {
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if (empty($exo_id) or (intval($exo_id)!=$exo_id)) { return false; }
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//error_log('create_event_exercice');
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$tbl_track_exe = Database::get_statistic_table(TABLE_STATISTIC_TRACK_E_EXERCICES);
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$tbl_exe = Database::get_course_table(TABLE_QUIZ_TEST);
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$now = api_get_utc_datetime();
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$uid = api_get_user_id();
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// First, check the exercise exists
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$sql_exe_id="SELECT exercises.id FROM $tbl_exe as exercises WHERE exercises.id=$exo_id";
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$res_exe_id=Database::query($sql_exe_id);
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if ($res_exe_id === false) { return false; } //sql error
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if (Database::num_rows($res_exe_id)<1) { return false;} //exe not found
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$row_exe_id=Database::fetch_row($res_exe_id);
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$exercise_id = intval($row_exe_id[0]);
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// Second, check if the record exists in the database (looking for incomplete records)
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$sql = "SELECT exe_id FROM $tbl_track_exe ";
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$condition = " WHERE exe_exo_id = $exo_id AND " .
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"exe_user_id = $uid AND " .
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"exe_cours_id = '".api_get_course_id()."' AND " .
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"status = 'incomplete' AND ".
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"session_id = ".api_get_session_id();
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$res = Database::query($sql.$condition);
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if ($res === false) {return false;}
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if (Database::num_rows($res) > 0) {
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$row = Database::fetch_array($res);
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return $row['exe_id'];
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}
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// No record was found, so create one
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// get expire time to insert into the tracking record
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require_once api_get_path(SYS_CODE_PATH).'exercice/exercise.lib.php';
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$current_expired_time_key = get_time_control_key($exercise_id);
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if (isset($_SESSION['expired_time'][$current_expired_time_key])) { //Only for exercice of type "One page"
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$expired_date = $_SESSION['expired_time'][$current_expired_time_key];
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} else {
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$expired_date = '0000-00-00 00:00:00';
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}
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$sql = "INSERT INTO $tbl_track_exe ( exe_user_id, exe_cours_id, expired_time_control, exe_exo_id, session_id)
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VALUES ( $uid, '".api_get_course_id()."' ,'$expired_date','$exo_id','".api_get_session_id()."')";
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$res = Database::query($sql);
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$id= Database::insert_id();
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return $id;
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}
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/**
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* Record an event for this attempt at answering an exercise
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* @param float Score achieved
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* @param string Answer given
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* @param integer Question ID
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* @param integer Exercise ID
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* @param integer Position
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* @return boolean Result of the insert query
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*/
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function exercise_attempt($score, $answer, $quesId, $exeId, $j, $exercise_id = 0) {
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require_once api_get_path(SYS_CODE_PATH).'exercice/exercise.lib.php';
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$score = Database::escape_string($score);
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$answer = Database::escape_string($answer);
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$quesId = Database::escape_string($quesId);
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$exeId = Database::escape_string($exeId);
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$j = Database::escape_string($j);
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$TBL_TRACK_ATTEMPT = Database::get_statistic_table(TABLE_STATISTIC_TRACK_E_ATTEMPT);
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//Validation in case of fraud with actived control time
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if (!exercise_time_control_is_valid($exercise_id)) {
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$score = 0;
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$answer = 0;
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$j = 0;
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}
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$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 $TBL_TRACK_ATTEMPT (exe_id, user_id, question_id, answer, marks, course_code, session_id, position, tms )
|
|
VALUES (
|
|
".$exeId.",
|
|
".$user_id.",
|
|
'".$quesId."',
|
|
'".$answer."',
|
|
'".$score."',
|
|
'".api_get_course_id()."',
|
|
'".api_get_session_id()."',
|
|
'".$j."',
|
|
'".$reallyNow."'
|
|
)";
|
|
//error_log($sql);
|
|
if (!empty($quesId) && !empty($exeId) && !empty($user_id)) {
|
|
$res = Database::query($sql);
|
|
if (defined('ENABLED_LIVE_EXERCISE_TRACKING')){
|
|
$recording_table = Database::get_statistic_table(TABLE_STATISTIC_TRACK_E_ATTEMPT_RECORDING);
|
|
$recording_changes = "INSERT INTO $recording_table (exe_id, question_id, marks, insert_date, author, session_id) VALUES ('$exeId','$quesId','$score','".api_get_utc_datetime()."','', '".api_get_session_id()."') ";
|
|
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, $exerciseId = 0) {
|
|
require_once api_get_path(SYS_CODE_PATH).'exercice/exercise.lib.php';
|
|
//Validation in case of fraud with actived control time
|
|
if (!exercise_time_control_is_valid($exerciseId)) {
|
|
$correct = 0;
|
|
}
|
|
|
|
$tbl_track_e_hotspot = Database :: get_statistic_table(TABLE_STATISTIC_TRACK_E_HOTSPOT);
|
|
$sql = "INSERT INTO $tbl_track_e_hotspot (hotspot_user_id, hotspot_course_code, hotspot_exe_id, hotspot_question_id, hotspot_answer_id, hotspot_correct, hotspot_coordinate)".
|
|
" VALUES ('" . api_get_user_id() . "'," .
|
|
" '" . api_get_course_id() . "', " .
|
|
" '" . Database :: escape_string($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, $datetime = null, $user_id=null, $course_code=null) {
|
|
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);
|
|
$datetime = Database::escape_string($datetime);
|
|
$user_id = Database::escape_string($user_id);
|
|
$course_code = Database::escape_string($course_code);
|
|
|
|
if(!isset($datetime)) {
|
|
$datetime = api_get_utc_datetime();
|
|
}
|
|
if(!isset($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.',
|
|
'$course_code',
|
|
'$datetime',
|
|
'$event_type',
|
|
'$event_value_type',
|
|
'$event_value')";
|
|
$res = Database::query($sql);
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* Gets the last attempt of an exercise based in the exe_id
|
|
*/
|
|
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 $last_attempt_date;
|
|
}
|
|
|
|
/**
|
|
* Gets how many attempts exists by user, exercise, learning path
|
|
* @param int user id
|
|
* @param int exercise id
|
|
* @param int lp id
|
|
* @param int lp item id
|
|
* @param int lp item view id
|
|
*/
|
|
function get_attempt_count($user_id, $exerciseId, $lp_id, $lp_item_id,$lp_item_view_id) {
|
|
$stat_table = Database :: get_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);
|
|
$lp_item_view_id= intval($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 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);
|
|
$recording_table = 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['code']}' 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) > 0) {
|
|
$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 $recording_table WHERE exe_id IN (".implode(',',$exe_list).")";
|
|
$result = Database::query($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_code, $session_id = 0) {
|
|
$track_e_exercises = Database::get_statistic_table(TABLE_STATISTIC_TRACK_E_EXERCICES);
|
|
$track_attempts = Database::get_statistic_table(TABLE_STATISTIC_TRACK_E_ATTEMPT);
|
|
$user_id = intval($user_id);
|
|
$exercise_id = intval($exercise_id);
|
|
$course_code = Database::escape_string($course_code);
|
|
$session_id = intval($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 = $exercise_id AND exe_cours_id = '$course_code' AND session_id = $session_id AND status = 'incomplete' ";
|
|
$result = Database::query($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, $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 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 $TBL_TRACK_ATTEMPT WHERE exe_id = {$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 $list;
|
|
}
|
|
|
|
|
|
/**
|
|
* Gets all exercise results (NO Exercises in LPs ) from a given exercise id, course, session
|
|
* @param string course code
|
|
* @param int session id
|
|
* @return array with the results
|
|
*
|
|
*/
|
|
function get_all_exercise_results_by_course($course_code, $session_id = 0, $get_count = true) {
|
|
$table_track_exercises = Database::get_statistic_table(TABLE_STATISTIC_TRACK_E_EXERCICES);
|
|
$table_track_attempt = Database::get_statistic_table(TABLE_STATISTIC_TRACK_E_ATTEMPT);
|
|
$course_code = Database::escape_string($course_code);
|
|
|
|
$session_id = intval($session_id);
|
|
$select = '*';
|
|
if ($get_count) {
|
|
$select = 'count(*) as count';
|
|
}
|
|
$sql = "SELECT $select FROM $table_track_exercises WHERE status = '' AND exe_cours_id = '$course_code' 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, $course_code, $session_id = 0) {
|
|
$table_track_exercises = Database::get_statistic_table(TABLE_STATISTIC_TRACK_E_EXERCICES);
|
|
$table_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);
|
|
$user_id = intval($user_id);
|
|
|
|
$sql = "SELECT * FROM $table_track_exercises WHERE status = '' AND exe_user_id = $user_id AND exe_cours_id = '$course_code' 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_statistic_table(TABLE_STATISTIC_TRACK_E_EXERCICES);
|
|
$table_track_attempt = Database::get_statistic_table(TABLE_STATISTIC_TRACK_E_ATTEMPT);
|
|
$table_track_attempt_recording = Database::get_statistic_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";
|
|
$res_question = Database::query($sql);
|
|
while ($row_q = Database::fetch_array($res_question,'ASSOC')) {
|
|
$list[$exe_id]['question_list'][$row_q['question_id']] = $row_q;
|
|
}
|
|
}
|
|
//echo '<pre>'; print_r($list);
|
|
return $list;
|
|
}
|
|
|
|
/**
|
|
* Gets exercise results (NO Exercises in LPs) from a given exercise id, course, session
|
|
* @param int exercise id
|
|
* @param string course code
|
|
* @param int session id
|
|
* @return array with the results
|
|
*
|
|
*/
|
|
function get_exercise_results_by_user($user_id, $exercise_id, $course_code, $session_id = 0, $lp_id = 0, $lp_item_id = 0) {
|
|
$table_track_exercises = Database::get_statistic_table(TABLE_STATISTIC_TRACK_E_EXERCICES);
|
|
$table_track_attempt = Database::get_statistic_table(TABLE_STATISTIC_TRACK_E_ATTEMPT);
|
|
$table_track_attempt_recording = Database::get_statistic_table(TABLE_STATISTIC_TRACK_E_ATTEMPT_RECORDING);
|
|
$course_code = Database::escape_string($course_code);
|
|
$exercise_id = intval($exercise_id);
|
|
$session_id = intval($session_id);
|
|
$user_id = intval($user_id);
|
|
$lp_id = intval($lp_id);
|
|
$lp_item_id = intval($lp_item_id);
|
|
|
|
$sql = "SELECT * FROM $table_track_exercises
|
|
WHERE status = '' AND exe_user_id = $user_id AND exe_cours_id = '$course_code' 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";
|
|
|
|
$res = Database::query($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']] = $row_q;
|
|
}
|
|
}
|
|
//echo '<pre>'; print_r($list);
|
|
return $list;
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
* Count exercise attempts (NO Exercises in LPs ) from a given exercise id, course, session
|
|
* @param int exercise id
|
|
* @param string course code
|
|
* @param int session id
|
|
* @return array with the results
|
|
*
|
|
*/
|
|
function count_exercise_attempts_by_user($user_id, $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);
|
|
$user_id = intval($user_id);
|
|
|
|
$sql = "SELECT count(*) as count FROM $TABLETRACK_EXERCICES
|
|
WHERE status = '' AND exe_user_id = '$user_id' 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 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 $result;
|
|
}
|
|
|
|
/**
|
|
* Gets all exercise BEST results attempts (NO Exercises in LPs ) from a given exercise id, course, session per user
|
|
* @param int exercise id
|
|
* @param string course code
|
|
* @param int session id
|
|
* @return array with the results
|
|
*
|
|
*/
|
|
function get_best_exercise_results_by_user($exercise_id, $course_code, $session_id = 0) {
|
|
$table_track_exercises = Database::get_statistic_table(TABLE_STATISTIC_TRACK_E_EXERCICES);
|
|
$table_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 $table_track_exercises WHERE status = '' AND exe_cours_id = '$course_code' AND exe_exo_id = '$exercise_id' AND session_id = $session_id AND orig_lp_id =0 AND orig_lp_item_id = 0 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']] = $row_q;
|
|
}
|
|
}
|
|
/*
|
|
echo count($list);
|
|
echo '<br>';
|
|
echo '<pre>'; print_r($list);*/
|
|
//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'];
|
|
//echo $current_best_score[$user_id].' - '.$best_score_return[$user_id]['exe_result'].'<br />';
|
|
if ($current_best_score[$user_id] > $best_score_return[$user_id]['exe_result']) {
|
|
$best_score_return[$user_id] = $student_result;
|
|
}
|
|
}
|
|
/*
|
|
echo count($best_score_return);
|
|
echo '<pre>'; print_r($best_score_return);*/
|
|
return $best_score_return;
|
|
}
|
|
|
|
|
|
/**
|
|
* Gets all exercise BEST results attempts (NO Exercises in LPs ) from a given exercise id, course, session per user
|
|
* @param int exercise id
|
|
* @param string course code
|
|
* @param int session id
|
|
* @return array with the results
|
|
*
|
|
*/
|
|
function get_count_exercises_attempted_by_course($course_code, $session_id = 0) {
|
|
$table_track_exercises = Database::get_statistic_table(TABLE_STATISTIC_TRACK_E_EXERCICES);
|
|
$table_track_attempt = Database::get_statistic_table(TABLE_STATISTIC_TRACK_E_ATTEMPT);
|
|
$course_code = Database::escape_string($course_code);
|
|
$session_id = intval($session_id);
|
|
|
|
$sql = "SELECT DISTINCT exe_exo_id, exe_user_id FROM $table_track_exercises WHERE status = '' AND exe_cours_id = '$course_code' 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, $course_code, $session_id = 0) {
|
|
$table_track_exercises = Database::get_statistic_table(TABLE_STATISTIC_TRACK_E_EXERCICES);
|
|
$table_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 $table_track_exercises WHERE status = '' AND exe_cours_id = '$course_code' AND exe_exo_id = '$exercise_id' AND session_id = $session_id AND orig_lp_id !=0 AND orig_lp_item_id != 0";
|
|
|
|
$res = Database::query($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 $list;
|
|
}
|
|
/*
|
|
function get_all_exercise_event_from_lp($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";
|
|
$res = Database::query($sql);
|
|
$list = array();
|
|
|
|
while($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";
|
|
$res = Database::query($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 $question_id
|
|
* @return str the comment
|
|
*/
|
|
function get_comments($id,$question_id) {
|
|
$table_track_attempt = Database::get_statistic_table(TABLE_STATISTIC_TRACK_E_ATTEMPT);
|
|
$sql = "SELECT teacher_comment FROM ".$table_track_attempt." where exe_id='".Database::escape_string($id)."' and question_id = '".Database::escape_string($question_id)."' ORDER by question_id";
|
|
$sqlres = Database::query($sql);
|
|
$comm = Database::result($sqlres,0,"teacher_comment");
|
|
return $comm;
|
|
}
|
|
|
|
|