@ -1,11 +1,13 @@
<?php
<?php
/* For licensing terms, see /license.txt */
/**
* This class takes the creation and querying of an SQLite DB in charge. The
* goal of this DB is to get stats on the usage of language vars for a common
* user.
* @package chamilo.cron.lang
*/
/**
* This class takes the creation and querying of an SQLite DB in charge. The
* goal of this DB is to get stats on the usage of language vars for a common
@ -13,146 +15,180 @@
* check for the availability of sqlite_open() should be made before calling
* the constructor (preferrably)
*/
class langstats {
class langstats
{
public $db; //database connector
public $error; //errores almacenados
public $db_type = 'sqlite';
public $db; //database connector
public $error; //errores almacenados
public $db_type = 'sqlite';
public function __construct($file='') {
switch ($this->db_type) {
case 'sqlite':
if (!class_exists('SQLite3')) {
$this->error = 'SQLiteNotAvailable';
return false; //cannot use if sqlite not installed
public function __construct($file = '')
{
switch ($this->db_type) {
case 'sqlite':
if (!class_exists('SQLite3')) {
$this->error = 'SQLiteNotAvailable';
return false; //cannot use if sqlite not installed
}
if (empty($file)) {
$file = api_get_path(SYS_ARCHIVE_PATH) . '/langstasdb';
}
if (is_file($file) & & is_writeable($file)) {
$this->db = new SQLite3($file, SQLITE3_OPEN_READWRITE);
} else {
try {
$this->db = new SQLite3($file);
} catch (Exception $e) {
$this->error = 'DatabaseCreateError';
error_log('Exception: ' . $e->getMessage());
return false;
}
$err = $this->db->exec(
'CREATE TABLE lang_freq ('
. ' id integer PRIMARY KEY AUTOINCREMENT, '
. ' term_name text, term_file text, term_count integer default 0)'
);
if ($err === false) {
$this->error = 'CouldNotCreateTable';
return false;
}
$err = $this->db->exec(
'CREATE INDEX lang_freq_terms_idx ON lang_freq(term_name, term_file)'
);
if ($err === false) {
$this->error = 'CouldNotCreateIndex';
return false;
}
// Table and index created, move on.
}
break;
case 'mysql': //implementation not finished
if (!function_exists('mysql_connect')) {
$this->error = 'SQLiteNotAvailable';
return false; //cannot use if sqlite not installed
}
$err = Database::query('SELECT * FROM lang_freq');
if ($err === false) { //the database probably does not exist, create it
$err = Database::query(
'CREATE TABLE lang_freq ('
. ' id int PRIMARY KEY AUTO_INCREMENT, '
. ' term_name text, term_file text default \'\', term_count int default 0)'
);
if ($err === false) {
$this->error = 'CouldNotCreateTable';
return false;
}
} // if no error, we assume the table exists
break;
}
if (empty($file)) {
$file = api_get_path(SYS_ARCHIVE_PATH).'/langstasdb';
}
if (is_file($file) & & is_writeable($file)) {
$this->db = new SQLite3($file,SQLITE3_OPEN_READWRITE);
} else {
try {
$this->db = new SQLite3($file);
} catch (Exception $e) {
$this->error = 'DatabaseCreateError';
error_log('Exception: '. $e->getMessage());
return $this->db;
}
/**
* Add a count for a specific term
* @param string The language term used
* @param string The file from which the language term came from
* @return boolean true
*/
public function add_use($term, $term_file = '')
{
$term = $this->db->escapeString($term);
$term_file = $this->db->escapeString($term_file);
$sql = "SELECT id, term_name, term_file, term_count FROM lang_freq WHERE term_name='$term' and term_file='$term_file'";
$ress = $this->db->query($sql);
if ($ress === false) {
$this->error = 'CouldNotQueryTermFromTable';
return false;
}
$err = $this->db->exec('CREATE TABLE lang_freq ('
.' id integer PRIMARY KEY AUTOINCREMENT, '
.' term_name text, term_file text, term_count integer default 0)');
if ($err === false) { $this->error = 'CouldNotCreateTable'; return false;}
$err = $this->db->exec('CREATE INDEX lang_freq_terms_idx ON lang_freq(term_name, term_file)');
if ($err === false) { $this->error = 'CouldNotCreateIndex'; return false; }
// Table and index created, move on.
}
break;
case 'mysql': //implementation not finished
if (!function_exists('mysql_connect')) {
$this->error = 'SQLiteNotAvailable';
return false; //cannot use if sqlite not installed
$i = 0;
while ($row = $ress->fetchArray(SQLITE3_BOTH)) {
$num = $row[3];
$num++;
$res = $this->db->query(
'UPDATE lang_freq SET term_count = ' . $num . ' WHERE id = ' . $row[0]
);
if ($res === false) {
$this->error = 'CouldNotUpdateTerm';
return false;
} else {
return $row[0];
}
$i++;
}
if ($i == 0) {
//No term found in the table, register as new term
$resi = $this->db->query(
"INSERT INTO lang_freq(term_name, term_file, term_count) VALUES ('$term', '$term_file', 1)"
);
if ($resi === false) {
$this->error = 'CouldNotInsertRow';
return false;
} else {
return $this->db->lastInsertRowID();
}
}
$err = Database::query('SELECT * FROM lang_freq');
if ($err === false) { //the database probably does not exist, create it
$err = Database::query('CREATE TABLE lang_freq ('
.' id int PRIMARY KEY AUTO_INCREMENT, '
.' term_name text, term_file text default \'\', term_count int default 0)');
if ($err === false) { $this->error = 'CouldNotCreateTable'; return false;}
} // if no error, we assume the table exists
break;
}
return $this->db;
}
/**
* Add a count for a specific term
* @param string The language term used
* @param string The file from which the language term came from
* @return boolean true
*/
public function add_use($term, $term_file='') {
$term = $this->db->escapeString($term);
$term_file = $this->db->escapeString($term_file);
$sql = "SELECT id, term_name, term_file, term_count FROM lang_freq WHERE term_name='$term' and term_file='$term_file'";
$ress = $this->db->query($sql);
if ($ress === false) {
$this->error = 'CouldNotQueryTermFromTable';
return false;
}
$i = 0;
while ($row = $ress->fetchArray(SQLITE3_BOTH)) {
$num = $row[3];
$num++;
$res = $this->db->query('UPDATE lang_freq SET term_count = '.$num.' WHERE id = '.$row[0]);
if ($res === false) {
$this->error = 'CouldNotUpdateTerm';
return false;
} else {
return $row[0];
}
$i++;
/**
* Function to get a list of the X most-requested terms
* @param integer Limit of terms to show
* @return array List of most requested terms
*/
public function get_popular_terms($num = 1000)
{
$res = $this->db->query(
'SELECT * FROM lang_freq ORDER BY term_count DESC LIMIT ' . $num
);
$list = array();
while ($row = $res->fetchArray()) {
$list[] = $row;
}
return $list;
}
if ($i == 0) {
//No term found in the table, register as new term
$resi = $this->db->query("INSERT INTO lang_freq(term_name, term_file, term_count) VALUES ('$term', '$term_file', 1)");
if ($resi === false) {
$this->error = 'CouldNotInsertRow';
return false;
} else {
return $this->db->lastInsertRowID();
}
}
}
/**
* Function to get a list of the X most-requested terms
* @param integer Limit of terms to show
* @return array List of most requested terms
*/
public function get_popular_terms($num=1000) {
$res = $this->db->query('SELECT * FROM lang_freq ORDER BY term_count DESC LIMIT '.$num);
$list = array();
while ($row = $res->fetchArray()) {
$list[] = $row;
}
return $list;
}
/**
* Clear all records in lang_freq
* @return boolean true
*/
public function clear_all() {
$res = sqlite_query($this->db, 'DELETE FROM lang_freq WHERE 1=1');
return $list;
}
/**
* Returns an array of all the language variables with their corresponding
* file of origin. This function tolerates a certain rate of error due to
* the duplication of variables in language files.
* @return array variable => origin file
*/
public function get_variables_origin() {
require_once '../../admin/sub_language.class.php';
$path = api_get_path(SYS_LANG_PATH).'english/';
$vars = array();
$priority = array('trad4all', 'notification', 'accessibility');
foreach ($priority as $file) {
$list = SubLanguageManager::get_all_language_variable_in_file($path.$file.'.inc.php', true);
foreach ($list as $var => $trad) {
$vars[$var] = $file.'.inc.php';
}
/**
* Clear all records in lang_freq
* @return boolean true
*/
public function clear_all()
{
$res = sqlite_query($this->db, 'DELETE FROM lang_freq WHERE 1=1');
return $list;
}
$files = scandir($path);
foreach ($files as $file) {
if (substr($file,0,1) == '.' or in_array($file,$priority)) {
continue;
}
$list = SubLanguageManager::get_all_language_variable_in_file($path.$file, true);
foreach ($list as $var => $trad) {
$vars[$var] = $file;
}
/**
* Returns an array of all the language variables with their corresponding
* file of origin. This function tolerates a certain rate of error due to
* the duplication of variables in language files.
* @return array variable => origin file
*/
public function get_variables_origin()
{
$path = api_get_path(SYS_LANG_PATH) . 'english/';
$vars = array();
$priority = array('trad4all', 'notification', 'accessibility');
foreach ($priority as $file) {
$list = SubLanguageManager::get_all_language_variable_in_file(
$path . $file . '.inc.php',
true
);
foreach ($list as $var => $trad) {
$vars[$var] = $file . '.inc.php';
}
}
$files = scandir($path);
foreach ($files as $file) {
if (substr($file, 0, 1) == '.' or in_array($file, $priority)) {
continue;
}
$list = SubLanguageManager::get_all_language_variable_in_file(
$path . $file,
true
);
foreach ($list as $var => $trad) {
$vars[$var] = $file;
}
}
return $vars;
}
return $vars;
}
}
}
Julio Montoya
11 years ago