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

216 lines
8.3 KiB

<?php
require_once '../inc/global.inc.php';
define ('REPORTS_PROGRESS_COMPLETED', 1);
$reports_modules = array();
$reports_enabled_modules = array('quiz','course','scorm');
$reports_enabled_templates = array('exercicesMultiCourses', 'courseTime', 'courseArticulate');
// load templates
function reports_loadTemplates() {
global $reports_enabled_templates, $reports_template;
foreach ($reports_enabled_templates as $t)
require_once 'templates/'.$t.'.reports.php';
}
// clear all reporting data
/*
function reports_clearAll() {
//Database::query('DELETE FROM '.Database::get_main_table(TABLE_MAIN_REPORTS_KEYS));
//Database::query('DELETE FROM '.Database::get_main_table(TABLE_MAIN_REPORTS_VALUES));
Database::query('DROP TABLE '.Database::get_main_table(TABLE_MAIN_REPORTS_KEYS));
Database::query('DROP TABLE '.Database::get_main_table(TABLE_MAIN_REPORTS_VALUES));
Database::query('
CREATE TABLE '.Database::get_main_table(TABLE_MAIN_REPORTS_KEYS).' (
id int unsigned NOT NULL AUTO_INCREMENT primary key,
course_id int unsigned DEFAULT NULL,
tool_id int unsigned DEFAULT NULL,
child_id int unsigned DEFAULT NULL,
child_name varchar(64) DEFAULT NULL,
subchild_id int unsigned DEFAULT NULL,
subchild_name varchar(64) DEFAULT NULL,
subsubchild_id int unsigned DEFAULT NULL,
subsubchild_name varchar(64) DEFAULT NULL,
link varchar(256) DEFAULT NULL)');
Database::query('
CREATE TABLE '.Database::get_main_table(TABLE_MAIN_REPORTS_VALUES).' (
key_id int unsigned NOT NULL,
user_id int unsigned NOT NULL,
session_id int unsigned NOT NULL,
attempt int NOT NULL,
score decimal(5,3) DEFAULT NULL,
progress int DEFAULT NULL,
report_time int DEFAULT NULL,
ts datetime DEFAULT NULL)');
}
function reports_addDBKeys() {
// cannot had this primary key here due to mysql restrction on auto_increment
// Database::query('alter table '.Database::get_main_table(TABLE_MAIN_REPORTS_KEYS).
// ' primary key(id)');
Database::query('alter ignore table '.
Database::get_main_table(TABLE_MAIN_REPORTS_KEYS).
' add index(course_id)');
Database::query('alter table '.
Database::get_main_table(TABLE_MAIN_REPORTS_KEYS).
' add index(course_id,tool_id,child_id,subchild_id,subsubchild_id)');
Database::query('alter ignore table '.
Database::get_main_table(TABLE_MAIN_REPORTS_VALUES).
' add index(user_id)');
Database::query('alter ignore table '.
Database::get_main_table(TABLE_MAIN_REPORTS_VALUES).
' add primary key(key_id,user_id,session_id,attempt)');
}
// build all reporting data
function reports_build() {
global $reports_enabled_modules, $reports_modules;
// include + init
foreach($reports_enabled_modules as $module) {
require_once('modules/'.$module.'.php');
$initFunc = 'reports_modules_'.$module.'_init';
$initFunc();
}
// init For Each Courses
foreach($reports_enabled_modules as $module) {
$initFuncFEC = 'reports_modules_'.$module.'_init_forEachCourses';
foreach(CourseManager::get_courses_list() as $course)
$initFuncFEC($course['code'], $course['id'],
$course['db_name']);
}
// fetch data
foreach($reports_enabled_modules as $module)
foreach ($reports_modules[$module] as $keys)
reports_automaticAdd($keys['keys_query'],
$keys['values_query_function']);
}
// add a key and returns his id
// field are not checked for insertion since this function is for internal
// use only
function reports_addKey($course_id, $tool_id,
$child_id, $child_name,
$subchild_id, $subchild_name,
$subsubchild_id, $subsubchild_name,
$link) {
Database::query('INSERT into '.
Database::get_main_table(TABLE_MAIN_REPORTS_KEYS).
' (id, course_id, tool_id, child_id, child_name, '.
'subchild_id, subchild_name, subsubchild_id, subsubchild_name,'.
'link ) values (null, '.
($course_id == '' ? 'NULL' :$course_id).', '.
($tool_id == '' ? 'NULL' :$tool_id).', '.
($child_id == '' ? 'NULL' :$child_id).', '.
($child_name == '' ? 'NULL' :"'$child_name'").', '.
($subchild_id == '' ? 'NULL' :$subchild_id).', '.
($subchild_name == '' ? 'NULL' : "'$subchild_name'").', '.
($subsubchild_id == '' ? 'NULL' : $subsubchild_id).', '.
($subsubchild_name == '' ? 'NULL' : "'$subsubchild_name'").', '.
($link == '' ? 'NULL' : "'$link'").')');
return Database::insert_id();
}
// add a value
function reports_addValue($key, $session, $uid, $attempt, $score,
$progress, $time, $ts) {
Database::query('INSERT into '.
Database::get_main_table(TABLE_MAIN_REPORTS_VALUES).
' (key_id, user_id, session_id, attempt, score, '.
'progress, report_time) values ('.$key.', '.
$uid.', '.
// -1 instead of null because of primary key limitation with null column
($session == '' ? '-1' : $session).', '.
($attempt == '' ? '-1' : $attempt).', '.
($score == '' ? 'NULL' : $score).', '.
($progress == '' ? 'NULL' : $progress).', '.
($time == '' ? 'NULL' : $time).', '.
($ts == '' ? 'NULL' : $ts).')');
}
// add a value using a sub query warning take care about the order of the fields
function reports_addValueQuery($query) {
Database::query('INSERT into '.
Database::get_main_table(TABLE_MAIN_REPORTS_VALUES).
' (key_id, user_id, session_id, attempt, score, '.
'progress, report_time, ts) ('.$query.')');
}
*/
// return tools ID (parametre is a constant from main_api
function reports_getToolId($tool) {
$tools = array_flip(api_get_tools_lists());
if (array_key_exists($tool, $tools))
return $tools[$tool];
else
return null;
}
// return a sql clause returning triplet of (course, $session, $uid) the
// current user is authorized to reed
function reports_getVisibilitySQL () {
return "select cru.user_id from ".Database::get_main_table(TABLE_MAIN_COURSE_USER).' cru';
// fixme sessions
}
// this function execute keys_query (SQL statement)
// each rows may returns following fields course_id, tool_id, child_id,
// child_name, subchild_id, subchild_name, subsubchild_id, subsubchild_name,
// link
// row may contains other fields.
// rows are parsed using fetch_assoc
// assoc array are then given to values_query_function
// this function must return a assoc array
// return["type"] should be either 'static' or 'sql'
// return["static"] should contains an array of assoc array which may
// includes following headers: session, user_id, attempt, score progress and
// time.
// return["sql"] (when type==sql) an sql query returning the same fields.
// this sql stateuement MUST include a field key_id with the value given
// to the function as parametre. This statement will be passed to
// reports_addValueQuery
/*
function reports_automaticAdd($keys_query, $values_query_function) {
$keys_result = Database::query($keys_query);
if (!$keys_query) {
echo 'folowwing keys_query failed: '.$keys_query."\n";
return;
}
$num = Database::num_rows($keys_result);
for ($i = 0; $i < $num; $i++) {
$keys = Database::fetch_assoc($keys_result);
$key_id = reports_addKey(
array_key_exists('course_id', $keys) ? $keys['course_id'] : '',
array_key_exists('tool_id', $keys) ? $keys['tool_id'] : '',
array_key_exists('child_id', $keys) ? $keys['child_id'] : '',
array_key_exists('child_name', $keys) ? $keys['child_name'] : '',
array_key_exists('subchild_id', $keys) ? $keys['subchild_id'] : '',
array_key_exists('subchild_name', $keys) ? $keys['subchild_name'] : '',
array_key_exists('subsubchild_id', $keys) ? $keys['subsubchild_id'] : '',
array_key_exists('subsubchild_name', $keys) ? $keys['subsubchild_name'] : '',
array_key_exists('link', $keys) ? $keys['link'] : '');
$values = $values_query_function($keys, $key_id);
if ($values['type'] == 'static')
for ($j = 0; $j<sizeof($values['static']); $j++)
reports_addValue($key_id,
array_key_exists('session', $values['static'][$j]) ? $values['static'][$j]['session'] : '',
array_key_exists('user_id', $values['static'][$j]) ? $values['static'][$j]['user_id'] : '',
array_key_exists('attempt', $values['static'][$j]) ? $values['static'][$j]['attempt'] : '',
array_key_exists('score', $values['static'][$j]) ? $values['static'][$j]['score'] : '',
array_key_exists('progress', $values['static'][$j]) ? $values['static'][$j]['progress'] : '',
array_key_exists('report_time', $values['static'][$j]) ? $values['static'][$j]['report_time'] : '',
array_key_exists('ts', $values['static'][$j]) ? $values['static'][$j]['ts'] : '');
else
reports_addValueQuery($values['sql']);
}
}*/