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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
- */
- $TABLETRACK_LOGIN = Database::get_statistic_table(TABLE_STATISTIC_TRACK_E_LOGIN);
- $TABLETRACK_OPEN = Database::get_statistic_table(TABLE_STATISTIC_TRACK_E_OPEN);
- $TABLETRACK_ACCESS = Database::get_statistic_table(TABLE_STATISTIC_TRACK_E_ACCESS);
- $course_tracking_table = Database::get_statistic_table(TABLE_STATISTIC_TRACK_E_COURSE_ACCESS);
- $TABLETRACK_DOWNLOADS = Database::get_statistic_table(TABLE_STATISTIC_TRACK_E_DOWNLOADS);
- $TABLETRACK_UPLOADS = Database::get_statistic_table(TABLE_STATISTIC_TRACK_E_UPLOADS);
- $TABLETRACK_LINKS = Database::get_statistic_table(TABLE_STATISTIC_TRACK_E_LINKS);
- $TABLETRACK_EXERCICES = Database::get_statistic_table(TABLE_STATISTIC_TRACK_E_EXERCICES);
- $TABLETRACK_LASTACCESS = Database::get_statistic_table(TABLE_STATISTIC_TRACK_E_LASTACCESS); //for "what's new" notification
- $TABLETRACK_DEFAULT = Database::get_statistic_table(TABLE_STATISTIC_TRACK_E_DEFAULT);
- /* FUNCTIONS */
- /**
- * @author Sebastien Piraux <piraux_seb@hotmail.com>
- * @desc Record information for open event (when homepage is opened)
- */
- function event_open()
- {
- global $_configuration;
- global $TABLETRACK_OPEN;
- // @getHostByAddr($_SERVER['REMOTE_ADDR']) : will provide host and country information
- // $_SERVER['HTTP_USER_AGENT'] : will provide browser and os information
- // $_SERVER['HTTP_REFERER'] : provide information about refering url
- if (isset($_SERVER['HTT_REFERER'])) {
- $referer = Database::escape_string($_SERVER['HTTP_REFERER']);
- } else {
- $referer = '';
- }
- // record informations only if user comes from another site
- //if(!eregi($_configuration['root_web'],$referer))
- $pos = strpos($referer, $_configuration['root_web']);
- if ($pos === false && $referer != '') {
- $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()
- {
- global $TABLETRACK_LOGIN;
- global $_user;
- // @todo use api_get_user_info();
- //$userInfo = api_get_user_info();
- $userInfo = $_user;
- if (empty($userInfo)) {
- return false;
- }
- $userId = api_get_user_id();
- $reallyNow = api_get_utc_datetime();
- $sql = "INSERT INTO ".$TABLETRACK_LOGIN." (login_user_id, login_ip, login_date, logout_date) VALUES
- ('".$userId."',
- '".Database::escape_string(api_get_real_ip())."',
- '".$reallyNow."',
- '".$reallyNow."'
- )";
- Database::query($sql);
- // Auto subscribe
- $user_status = $userInfo['status'] == SESSIONADMIN ? 'sessionadmin' :
- $userInfo['status'] == COURSEMANAGER ? 'teacher' :
- $userInfo['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($userId, $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() {
- global $TABLETRACK_ACCESS, $TABLETRACK_LASTACCESS;
- $id_session = api_get_session_id();
- $now = api_get_utc_datetime();
- $_cid = api_get_course_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, access_cours_code, access_date, access_session_id) VALUES
- (".$user_id.", '".$_cid."', '".$now."','".$id_session."')";
- Database::query($sql);
- // added for "what's new" notification
- $sql = "UPDATE $TABLETRACK_LASTACCESS SET access_date = '$now'
- WHERE access_user_id = $user_id AND access_cours_code = '$_cid' AND access_tool IS NULL AND access_session_id=".$id_session;
- Database::query($sql);
- if (Database::affected_rows() == 0) {
- $sql = "INSERT INTO $TABLETRACK_LASTACCESS (access_user_id, access_cours_code, access_date, access_session_id)
- VALUES (".$user_id.", '".$_cid."', '$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;
- global $_cid;
- global $TABLETRACK_ACCESS;
- global $_course;
- global $TABLETRACK_LASTACCESS; //for "what's new" notification
- $id_session = api_get_session_id();
- $tool = Database::escape_string($tool);
- $reallyNow = api_get_utc_datetime();
- $user_id = 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);
- $coursePath = isset($_course['path']) ? $_course['path'] : null;
- $pos = isset($_SERVER['HTTP_REFERER']) ? strpos(strtolower($_SERVER['HTTP_REFERER']), strtolower(api_get_path(WEB_COURSE_PATH).$coursePath)) : 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,
- access_cours_code,
- access_tool,
- access_date,
- access_session_id
- )
- VALUES
- (".$user_id.",".// Don't add ' ' around value, it's already done.
- "'".$_cid."' ,
- '".$tool."',
- '".$reallyNow."',
- '".$id_session."')";
- Database::query($sql);
- }
- // "what's new" notification
- $sql = "UPDATE $TABLETRACK_LASTACCESS
- SET access_date = '$reallyNow'
- WHERE access_user_id = ".$user_id." AND access_cours_code = '".$_cid."' AND access_tool = '".$tool."' AND access_session_id=".$id_session;
- Database::query($sql);
- if (Database::affected_rows() == 0) {
- $sql = "INSERT INTO $TABLETRACK_LASTACCESS (access_user_id,access_cours_code,access_tool, access_date, access_session_id)
- VALUES (".$user_id.", '".$_cid."' , '$tool', '$reallyNow', $id_session)";
- Database::query($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_statistic_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_id();
- $sql = "INSERT INTO $tbl_stats_downloads (
- down_user_id,
- down_cours_id,
- down_doc_path,
- down_date,
- down_session_id
- )
- VALUES (
- ".$user_id.",
- '".$_cid."',
- '".$doc_url."',
- '".$reallyNow."',
- '".api_get_session_id()."'
- )";
- Database::query($sql);
- return 1;
- }
- /**
- * @param link_id (id in coursDb liens table)
- * @author Sebastien Piraux <piraux_seb@hotmail.com>
- * @desc Record information for link event (when an user click on an added link)
- * it will be used in a redirection page
- */
- function event_link($link_id)
- {
- global $TABLETRACK_LINKS;
- $reallyNow = api_get_utc_datetime();
- $user_id = api_get_user_id();
- $sql = "INSERT INTO ".$TABLETRACK_LINKS."
- ( links_user_id,
- links_cours_id,
- links_link_id,
- links_date,
- links_session_id
- ) VALUES (
- ".$user_id.",
- '".api_get_course_id()."',
- '".Database::escape_string($link_id)."',
- '".$reallyNow."',
- '".api_get_session_id()."'
- )";
- Database::query($sql);
- return 1;
- }
- /**
- * Update the TRACK_E_EXERCICES exercises
- *
- * @param int exeid id of the attempt
- * @param int exo_id exercise id
- * @param mixed result score
- * @param int weighting ( higher score )
- * @param int duration ( duration of the attempt in seconds )
- * @param int session_id
- * @param int learnpath_id (id of the learnpath)
- * @param int learnpath_item_id (id of the learnpath_item)
- *
- * @author Sebastien Piraux <piraux_seb@hotmail.com>
- * @author Julio Montoya Armas <gugli100@gmail.com> Reworked 2010
- * @desc Record result of user when an exercice was done
- */
- function update_event_exercice(
- $exeid,
- $exo_id,
- $score,
- $weighting,
- $session_id,
- $learnpath_id = 0,
- $learnpath_item_id = 0,
- $learnpath_item_view_id = 0,
- $duration = 0,
- $question_list = array(),
- $status = '',
- $remind_list = array(),
- $end_date = null
- ) {
- require_once api_get_path(SYS_CODE_PATH).'exercice/exercise.lib.php';
- global $debug;
- if ($debug) error_log('Called to update_event_exercice');
- if ($debug) error_log('duration:' . $duration);
- if ($exeid != '') {
- // Validation in case of fraud with actived control time
- if (!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);
- }
- $TABLETRACK_EXERCICES = Database::get_statistic_table(TABLE_STATISTIC_TRACK_E_EXERCICES);
- if (!empty($question_list)) {
- $question_list = array_map('intval', $question_list);
- }
- if (!empty($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($score)."',
- exe_weighting = '".Database::escape_string($weighting)."',
- session_id = '".Database::escape_string($session_id)."',
- orig_lp_id = '".Database::escape_string($learnpath_id)."',
- orig_lp_item_id = '".Database::escape_string($learnpath_item_id)."',
- orig_lp_item_view_id = '".Database::escape_string($learnpath_item_view_id)."',
- exe_duration = '".Database::escape_string($duration)."',
- exe_date = '".$end_date."',
- status = '".$status."',
- questions_to_check = '".$remind_list."',
- data_tracking = '".implode(',', $question_list)."'
- WHERE exe_id = '".Database::escape_string($exeid)."'";
- $res = Database::query($sql);
- if ($debug) error_log('update_event_exercice called');
- if ($debug) error_log("$sql");
- //Deleting control time session track
- //exercise_time_control_delete($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_exercice() to update the exercise
- * @return $id the last id registered, or false on error
- * @author Julio Montoya <gugli100@gmail.com>
- * @desc Record result of user when an exercice was done
- * @deprecated this function seems to be deprecated
- */
- function create_event_exercice($exo_id)
- {
- if (empty($exo_id) or (intval($exo_id)!=$exo_id)) {
- return false;
- }
- $tbl_track_exe = Database::get_statistic_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 " .
- "exe_cours_id = '".api_get_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
- require_once api_get_path(SYS_CODE_PATH).'exercice/exercise.lib.php';
- $current_expired_time_key = get_time_control_key($exercise_id);
- if (isset($_SESSION['expired_time'][$current_expired_time_key])) { //Only for exercice of type "One page"
- $expired_date = $_SESSION['expired_time'][$current_expired_time_key];
- } else {
- $expired_date = '0000-00-00 00:00:00';
- }
- $sql = "INSERT INTO $tbl_track_exe ( exe_user_id, exe_cours_id, expired_time_control, exe_exo_id, session_id)
- VALUES ( $uid, '".api_get_course_id()."' ,'$expired_date','$exo_id','".api_get_session_id()."')";
- $res = Database::query($sql);
- $id= Database::insert_id();
- return $id;
- }
- /**
- * Record an event for this attempt at answering an exercise
- * @param float Score achieved
- * @param string Answer given
- * @param integer Question ID
- * @param integer Exercise ID
- * @param integer Position
- * @return boolean Result of the insert query
- */
- function exercise_attempt($score, $answer, $question_id, $exe_id, $position, $exercise_id = 0, $nano = null)
- {
- require_once api_get_path(SYS_CODE_PATH).'exercice/exercise.lib.php';
- global $debug, $learnpath_id, $learnpath_item_id;
- $score = Database::escape_string($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();
- $user_id = api_get_user_id();
- $TBL_TRACK_ATTEMPT = Database::get_statistic_table(TABLE_STATISTIC_TRACK_E_ATTEMPT);
- if ($debug) error_log("----- entering exercise_attempt() function ------");
- if ($debug) error_log("answer: $answer");
- if ($debug) error_log("score: $score");
- if ($debug) error_log("question_id : $question_id");
- if ($debug) error_log("position: $position");
- //Validation in case of fraud with actived control time
- if (!exercise_time_control_is_valid($exercise_id, $learnpath_id, $learnpath_item_id)) {
- if ($debug) error_log("exercise_time_control_is_valid is false");
- $score = 0;
- $answer = 0;
- }
- if (!empty($user_id)) {
- $user_id = "'".$user_id."'";
- } else {
- // anonymous
- $user_id = api_get_anonymous_id();
- }
- $file = '';
- if (isset($nano)) {
- $file = Database::escape_string(basename($nano->load_filename_if_exists(false)));
- }
- $course_code = api_get_course_id();
- $session_id = api_get_session_id();
- if (!empty($question_id) && !empty($exe_id) && !empty($user_id)) {
- //Check if attempt exists
- $sql = "SELECT exe_id FROM $TBL_TRACK_ATTEMPT
- WHERE course_code = '$course_code' 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_exercice() instead
- return false;
- }
- $sql = "INSERT INTO $TBL_TRACK_ATTEMPT (exe_id, user_id, question_id, answer, marks, course_code, session_id, position, tms, filename)
- VALUES (
- ".$exe_id.",
- ".$user_id.",
- '".$question_id."',
- '".$answer."',
- '".$score."',
- '".$course_code."',
- '".$session_id."',
- '".$position."',
- '".$now."',
- '".$file."'
- )";
- if ($debug) error_log("Saving question attempt: ");
- if ($debug) error_log($sql);
- $res = Database::query($sql);
- if (defined('ENABLED_LIVE_EXERCISE_TRACKING')){
- $recording_table = Database::get_statistic_table(TABLE_STATISTIC_TRACK_E_ATTEMPT_RECORDING);
- if ($debug) error_log("Saving e attempt recording ");
- $recording_changes = "INSERT INTO $recording_table (exe_id, question_id, marks, insert_date, author, session_id) VALUES ('$exe_id','$question_id','$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';
- global $safe_lp_id, $safe_lp_item_id;
- //Validation in case of fraud with actived control time
- if (!exercise_time_control_is_valid($exerciseId, $safe_lp_id, $safe_lp_item_id)) {
- $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);
- }
- /**
- * 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)
- * @param integer Session ID (defaults to null - only stored from 1.10 onwards)
- * @assert ('','','') === false
- */
- function event_system(
- $event_type,
- $event_value_type,
- $event_value,
- $datetime = null,
- $user_id = null,
- $course_code = null,
- $session_id = null
- ) {
- global $TABLETRACK_DEFAULT;
- if (empty($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['firstName']);
- unset($event_value['lastName']);
- unset($event_value['avatar_small']);
- unset($event_value['avatar']);
- unset($event_value['password']);
- unset($event_value['lastLogin']);
- unset($event_value['picture_uri']);
- }
- }
- if (is_array($event_value)) {
- $event_value = serialize($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 array
- * @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 string $event_name
- *
- * @return string
- */
- function get_users_subscribed_to_event($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.'"';
- $user_list = Database::store_result(Database::query($sql), 'ASSOC');
- return json_encode($user_list);
- }
- /**
- * @param int $user_id
- * @param string $event_type
- * @return array|bool
- */
- function get_events_by_user_and_type($user_id, $event_type) {
- global $TABLETRACK_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;
- }
- /**
- * @param int $user_id
- * @param string $event_type
- * @return mixed
- */
- function get_latest_event_by_user_and_type($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);
- }
- /**
- * @param $etId
- * @param $users
- * @param $message
- * @param $subject
- */
- function eventType_mod($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 $exe_id
- * @return mixed
- */
- function get_last_attempt_date_of_exercise($exe_id)
- {
- $exe_id = intval($exe_id);
- $track_attempts = Database::get_statistic_table(TABLE_STATISTIC_TRACK_E_ATTEMPT);
- $sql_track_attempt = 'SELECT max(tms) as last_attempt_date FROM '.$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;
- }
- }
- /**
- * @param int $user_id
- * @param int $exerciseId
- * @param int $lp_id
- * @param int $lp_item_id
- * @return int
- */
- function get_attempt_count_not_finished($user_id, $exerciseId, $lp_id, $lp_item_id)
- {
- $stat_table = Database :: get_statistic_table(TABLE_STATISTIC_TRACK_E_EXERCICES);
- $user_id = intval($user_id);
- $exerciseId = intval($exerciseId);
- $lp_id = intval($lp_id);
- $lp_item_id = intval($lp_item_id);
- $lp_item_view_id= intval($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
- 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;
- }
- }
- /**
- * Deletes a learning path view for a student
- * @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_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
- $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 = $session_id AND exe_cours_id = '{$course['code']}' 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);
- }
- event_system(LOG_LP_ATTEMPT_DELETE, LOG_LP_ID, $lp_id, null, null, $course['code'], $session_id);
- }
- /**
- * Delete all exercise attempts (included in LP or not)
- *
- * @param int user id
- * @param int exercise id
- * @param string course code
- * @param int session id
- */
- function delete_all_incomplete_attempts($user_id, $exercise_id, $course_code, $session_id = 0)
- {
- $track_e_exercises = Database::get_statistic_table(TABLE_STATISTIC_TRACK_E_EXERCICES);
- $user_id = intval($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 = $session_id AND status = 'incomplete' ";
- Database::query($sql);
- }
- event_system(LOG_EXERCISE_RESULT_DELETE, LOG_EXERCISE_AND_USER_ID, $exercise_id.'-'.$user_id, null, null, $course_code, $session_id);
- }
- /**
- * Gets all exercise results (NO Exercises in LPs ) from a given exercise id, course, session
- * @param int exercise id
- * @param string course code
- * @param int session id
- * @return array with the results
- */
- function get_all_exercise_results($exercise_id, $course_code, $session_id = 0, $load_question_list = true, $user_id = null) {
- $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);
- $user_condition = null;
- if (!empty($user_id)) {
- $user_id = intval($user_id);
- $user_condition = "AND exe_user_id = $user_id ";
- }
- $sql = "SELECT * FROM $TABLETRACK_EXERCICES
- WHERE status = '' AND
- exe_cours_id = '$course_code' AND
- exe_exo_id = '$exercise_id' AND
- session_id = $session_id AND
- orig_lp_id =0 AND
- orig_lp_item_id = 0
- $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 $list;
- }
- /**
- * Gets all exercise results (NO Exercises in LPs ) from a given exercise id, course, session
- * @param string course code
- * @param int session id
- * @return array with the results
- *
- */
- function get_all_exercise_results_by_course($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;
- }
- }
- 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 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']] = $row_q;
- }
- }
- // echo '<pre>'; print_r($list); echo "</pre>";
- return $list;
- }
- /**
- * Gets exercise results (NO Exercises in LPs) from a given user, exercise id, course, session, lp_id, lp_item_id
- * @param int user id
- * @param int exercise id
- * @param string course code
- * @param int session id
- * @param int lp id
- * @param int lp item id
- * @param string order asc or desc
- * @return array with the results
- *
- */
- function get_exercise_results_by_user($user_id, $exercise_id, $course_code, $session_id = 0, $lp_id = 0, $lp_item_id = 0, $order = null)
- {
- $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);
- if (!in_array(strtolower($order), array('asc', 'desc'))) {
- $order = 'asc';
- }
- $sql = "SELECT * FROM $table_track_exercises
- WHERE status = '' AND
- exe_user_id = $user_id AND
- exe_cours_id = '$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 $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 $list;
- }
- /**
- * Count exercise attempts (NO Exercises in LPs ) from a given exercise id, course, session
- * @param int exercise id
- * @param string course code
- * @param int session id
- * @return array with the results
- *
- */
- function count_exercise_attempts_by_user($user_id, $exercise_id, $course_code, $session_id = 0)
- {
- $TABLETRACK_EXERCICES = Database::get_statistic_table(TABLE_STATISTIC_TRACK_E_EXERCICES);
- $course_code = Database::escape_string($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 $result;
- }
- /**
- * Gets all exercise BEST results attempts (NO Exercises in LPs ) from a given exercise id, course, session per user
- * @param int exercise id
- * @param string course code
- * @param int session id
- * @return array with the results
- * @todo rename this function
- *
- */
- function get_best_exercise_results_by_user($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;
- }
- }
- //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;
- }
- }
- return $best_score_return;
- }
- function get_best_attempt_exercise_results_per_user($user_id, $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);
- $user_id = intval($user_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
- 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;
- }
- //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 string $course_code
- * @param int $session_id
- * @return mixed
- */
- function count_exercise_result_not_validated($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_RECORDING);
- $course_code = Database::escape_string($course_code);
- $session_id = intval($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 = $exercise_id AND
- exe_cours_id = '$course_code' 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 $row['count'];
- }
- /**
- * Gets all exercise BEST results attempts (NO Exercises in LPs ) from a given exercise id, course, session per user
- * @param int exercise id
- * @param string course code
- * @param int session id
- * @return array with the results
- *
- */
- function get_count_exercises_attempted_by_course($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;
- }
- /**
- * @param int $lp_id
- * @param int $course_id
- * @return array
- */
- function get_all_exercises_from_lp($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 $question_id
- * @return str the comment
- */
- function get_comments($exe_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($exe_id)."' AND question_id = '".Database::escape_string($question_id)."'
- ORDER by question_id";
- $sqlres = Database::query($sql);
- $comm = Database::result($sqlres, 0, "teacher_comment");
- return $comm;
- }
- /**
- * @param int $exe_id
- * @return array
- */
- function get_all_exercise_event_by_exe_id($exe_id)
- {
- $table_track_attempt = Database::get_statistic_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 string $course_code
- * @param int $session_id
- * @param int $question_id
- */
- function delete_attempt($exe_id, $user_id, $course_code, $session_id, $question_id)
- {
- $table_track_attempt = Database::get_statistic_table(TABLE_STATISTIC_TRACK_E_ATTEMPT);
- $exe_id = intval($exe_id);
- $user_id = intval($user_id);
- $course_code = Database::escape_string($course_code);
- $session_id = intval($session_id);
- $question_id = intval($question_id);
- $sql = "DELETE FROM $table_track_attempt
- WHERE exe_id = $exe_id AND user_id = $user_id AND course_code = '$course_code' AND session_id = $session_id AND question_id = $question_id ";
- Database::query($sql);
- event_system(LOG_QUESTION_RESULT_DELETE, LOG_EXERCISE_ATTEMPT_QUESTION_ID, $exe_id.'-'.$question_id, null, null, $course_code, $session_id);
- }
- /**
- * @param int $exe_id
- * @param int $user_id
- * @param string $course_code
- * @param int $question_id
- * @todo add session_id for 10
- */
- function delete_attempt_hotspot($exe_id, $user_id, $course_code, $session_id = 0, $question_id) {
- $table_track_attempt = Database::get_statistic_table(TABLE_STATISTIC_TRACK_E_HOTSPOT);
- $exe_id = intval($exe_id);
- $user_id = intval($user_id);
- $course_code = Database::escape_string($course_code);
- $session_id = intval($session_id);
- $question_id = intval($question_id);
- $sql = "DELETE FROM $table_track_attempt
- WHERE hotspot_exe_id = $exe_id AND hotspot_user_id = $user_id AND hotspot_course_code = '$course_code' AND hotspot_question_id = $question_id ";
- Database::query($sql);
- event_system(LOG_QUESTION_RESULT_DELETE, LOG_EXERCISE_ATTEMPT_QUESTION_ID, $exe_id.'-'.$question_id, null, null, $course_code, $session_id);
- }
- /**
- * User logs in for the first time to a course
- * @param string $course_code
- * @param int $user_id
- * @param int $session_id
- */
- function event_course_login($course_code, $user_id, $session_id)
- {
- global $course_tracking_table;
- //@todo use api_get_utc_datetime
- $time = api_get_utc_datetime();
- $course_code = Database::escape_string($course_code);
- $user_id = intval($user_id);
- $session_id = intval($session_id);
- $session_lifetime = 3600;
- //We select the last record for the current course in the course tracking table
- $sql = "SELECT course_access_id
- FROM $course_tracking_table
- WHERE
- user_id = $user_id AND
- course_code = '$course_code' AND
- session_id = $session_id AND
- login_course_date > '$time' - INTERVAL $session_lifetime SECOND
- ORDER BY login_course_date DESC LIMIT 0,1";
- $result = Database::query($sql);
- if (Database::num_rows($result) > 0) {
- $i_course_access_id = Database::result($result,0,0);
- //We update the course tracking table
- $sql = "UPDATE $course_tracking_table SET logout_course_date = '$time', counter = counter+1
- WHERE course_access_id = ".intval($i_course_access_id)." AND session_id = ".$session_id;
- Database::query($sql);
- } else {
- $sql="INSERT INTO $course_tracking_table (course_code, user_id, login_course_date, logout_course_date, counter, session_id)" .
- "VALUES('".$course_code."', '".$user_id."', '$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) {
- $event_name = Database::escape_string($event_name);
- $user_to = Database::escape_string($user_to);
- $user_from = Database::escape_string($user_from);
- 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;
- }
- /* End of filters */
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