Current File : //proc/self/root/home/tjamichg/cursos.tjamich.gob.mx/main/inc/lib/sub_language.class.php
<?php
/* For licensing terms, see /license.txt */
/**
* Class SubLanguageManager.
*
* @package chamilo.admin.sublanguage
*/
class SubLanguageManager
{
/**
* Constructor.
*/
public function __construct()
{
}
/**
* Get all the languages.
*
* @param bool $onlyActive Whether to return only active languages (default false)
*
* @return array All information about sub-language
*/
public static function getAllLanguages($onlyActive = false)
{
$table = Database::get_main_table(TABLE_MAIN_LANGUAGE);
$sql = 'SELECT * FROM '.$table;
if ($onlyActive) {
$sql .= ' WHERE available = 1';
}
$rs = Database::query($sql);
$all_languages = [];
while ($row = Database::fetch_array($rs, 'ASSOC')) {
$all_languages[$row['dokeos_folder']] = $row;
}
return $all_languages;
}
/**
* Get all files of lang folder (forum.inc.php,gradebook.inc.php,notebook.inc.php).
*
* @param string $path The lang path folder (/var/www/my_lms/main/lang/spanish)
* @param bool $only_main_name true if we only want the "subname" trad4all instead of trad4all.inc.php
*
* @return array All file of lang folder
*/
public static function get_lang_folder_files_list($path, $only_main_name = false)
{
$content_dir = [];
if (is_dir($path)) {
if ($dh = opendir($path)) {
while (($file = readdir($dh)) !== false) {
if ($file[0] != '.' && substr($file, -4, strlen($file)) == '.php') {
if ($only_main_name) {
if ($file != '' && strpos($file, '.inc.php')) {
$content_dir[] = substr($file, 0, strpos($file, '.inc.php'));
}
} else {
$content_dir[] = $file;
}
}
}
}
closedir($dh);
}
return $content_dir;
}
/**
* Get all information of sub-language.
*
* @param int $parent_id The parent id(Language father id)
* @param int $sub_language_id The sub language id
*
* @return array All information about sub-language
*/
public static function get_all_information_of_sub_language($parent_id, $sub_language_id)
{
$table = Database::get_main_table(TABLE_MAIN_LANGUAGE);
$parent_id = intval($parent_id);
$sub_language_id = intval($sub_language_id);
$sql = "SELECT * FROM $table
WHERE
parent_id = $parent_id AND
id = $sub_language_id";
$rs = Database::query($sql);
$all_information = [];
while ($row = Database::fetch_array($rs, 'ASSOC')) {
$all_information = $row;
}
return $all_information;
}
/**
* Get all information of language.
*
* @param int $parent_id The parent id(Language father id)
*
* @return array All information about language
*/
public static function get_all_information_of_language($parent_id)
{
$table = Database::get_main_table(TABLE_MAIN_LANGUAGE);
$sql = 'SELECT * FROM '.$table.' WHERE id = "'.intval($parent_id).'"';
$rs = Database::query($sql);
$all_information = [];
while ($row = Database::fetch_array($rs, 'ASSOC')) {
$all_information = $row;
}
return $all_information;
}
/**
* Get all information of chamilo file.
*
* @param string $system_path_file The chamilo path file (/var/www/chamilo/main/lang/spanish/gradebook.inc.php)
*
* @return array Contains all information of chamilo file
*/
public static function get_all_language_variable_in_file(string $system_path_file): array
{
ob_start();
include $system_path_file;
ob_end_clean();
$variables = get_defined_vars();
unset($variables['system_path_file']);
unset($variables['get_as_string_index']);
unset($variables['php_errormsg']);
return $variables;
}
/**
* Add file in sub-language directory and add header(tag php).
*
* @param string $system_path_file The chamilo path file (/var/www/chamilo/main/lang/spanish/gradebook.inc.php)
*
* @return bool
*/
public static function add_file_in_language_directory($system_path_file)
{
$return_value = @file_put_contents($system_path_file, '<?php'.PHP_EOL);
return $return_value;
}
/**
* Write in file of sub-language.
*
* @param string $path_file The path file (/var/www/chamilo/main/lang/spanish/gradebook.inc.php)
* @param string $new_term The new sub-language
* @param string $new_variable The language variable
*
* @return bool True on success, False on error
*/
public static function write_data_in_file($path_file, $new_term, $new_variable)
{
// Replace double quotes to avoid parse errors
$new_term = addcslashes($new_term, "\$\"\\");
// Replace new line signs to avoid parse errors - see #6773
$new_term = str_replace("\n", "\\n", $new_term);
$return_value = false;
$new_data = '$'.$new_variable.'="'.$new_term.'";'.PHP_EOL;
$resource = @fopen($path_file, "a");
if (file_exists($path_file) && $resource) {
$return_value = !(fwrite($resource, $new_data) === false);
fclose($resource);
}
return $return_value;
}
/**
* Add directory for sub-language.
*
* @param string $sub_language_dir The sub-language directory ( e.g. 'spanish_corporate' )
*
* @return bool True on success, false on failure
*/
public static function add_language_directory($sub_language_dir)
{
if (empty($sub_language_dir)) {
return false;
}
$dir = api_get_path(SYS_LANG_PATH).$sub_language_dir;
if (is_dir($dir)) {
return true;
} //even if the dir already exists, we reach the objective of having the directory there
return @mkdir($dir, api_get_permissions_for_new_directories());
}
/**
* Delete sub-language.
* In order to avoid deletion of main laguages, we check the existence of a parent.
*
* @param int $parent_id The parent id
* @param bool $sub_language_id
*
* @return mixed True on success, false on error
*/
public static function remove_sub_language($parent_id, $sub_language_id)
{
if (empty($parent_id) ||
(intval($parent_id) != $parent_id) ||
empty($sub_language_id) ||
(intval($sub_language_id) != $sub_language_id)
) {
return false;
}
$table = Database::get_main_table(TABLE_MAIN_LANGUAGE);
$sql = 'SELECT dokeos_folder FROM '.$table.'
WHERE parent_id = '.$parent_id.' and id = '.$sub_language_id;
$res = Database::query($sql);
if ($res === false or Database::num_rows($res) < 1) {
return false;
}
$row = Database::fetch_assoc($res);
$res = self::remove_language_directory($row['dokeos_folder']);
if ($res === false) {
return false;
} //can't delete dir, so do not delete language record
$sql = 'DELETE FROM '.$table.'
WHERE id= '.intval($sub_language_id);
$res = Database::query($sql);
return $res;
}
/**
* Remove directory for sub-language.
*
* @param string $sub_language_dir The sub-language path directory ( e.g. 'spanish_corporate'' )
*
* @return bool True on success, false on failure
*/
public static function remove_language_directory($sub_language_dir)
{
if (empty($sub_language_dir)) {
return false;
}
$dir = api_get_path(SYS_LANG_PATH).$sub_language_dir;
if (!is_dir($dir)) {
return true;
} //even if the dir does not exist, we reach the objective of not having the directory there
$content = self::get_lang_folder_files_list($dir);
if (count($content) > 0) {
foreach ($content as $value_content) {
$path_file = $dir.'/'.$value_content;
unlink($path_file);
}
return @rmdir($dir);
} else {
return @rmdir($dir);
}
}
/**
* check if language exist by id.
*
* @param int $language_id
*
* @return bool
*/
public static function check_if_exist_language_by_id($language_id)
{
$table = Database::get_main_table(TABLE_MAIN_LANGUAGE);
$sql = 'SELECT count(*) as count
FROM '.$table.'
WHERE id="'.intval($language_id).'"';
$rs = Database::query($sql);
if (Database::num_rows($rs) > 0) {
if (Database::result($rs, 0, 'count') == 1) {
return true;
} else {
return false;
}
} else {
return false;
}
}
/**
* Get name of language by id.
*
* @param int $language_id The language id
*
* @return string The original name of language
*/
public static function get_name_of_language_by_id($language_id)
{
$table = Database::get_main_table(TABLE_MAIN_LANGUAGE);
$language_id = intval($language_id);
$sql = "SELECT original_name
FROM $table
WHERE id = $language_id";
$rs = Database::query($sql);
if (Database::num_rows($rs) > 0) {
return Database::result($rs, 0, 'original_name');
} else {
return '';
}
}
/**
* Verified if language is sub-language.
*
* @param int $language_id
*
* @return bool
*/
public static function check_if_language_is_sub_language($language_id)
{
$table = Database::get_main_table(TABLE_MAIN_LANGUAGE);
$sql = 'SELECT count(*) AS count FROM '.$table.'
WHERE id = '.intval($language_id).' AND NOT ISNULL(parent_id)';
$rs = Database::query($sql);
if (Database::num_rows($rs) > 0 && Database::result($rs, '0', 'count') == 1) {
return true;
} else {
return false;
}
}
/**
* @param int $language_id
*
* @return bool
*/
public static function check_if_language_is_used($language_id)
{
$language_info = self::get_all_information_of_language($language_id);
$table = Database::get_main_table(TABLE_MAIN_USER);
$sql = 'SELECT count(*) AS count FROM '.$table.'
WHERE language = "'.Database::escape_string($language_info['english_name']).'"';
$rs = Database::query($sql);
if (Database::num_rows($rs) > 0 && Database::result($rs, '0', 'count') >= 1) {
return true;
} else {
$table = Database::get_main_table(TABLE_MAIN_COURSE);
$sql = 'SELECT count(*) AS count FROM '.$table.'
WHERE course_language = "'.Database::escape_string($language_info['english_name']).'"';
$rs = Database::query($sql);
return Database::num_rows($rs) > 0 && Database::result($rs, '0', 'count') >= 1;
}
}
/**
* Verified if language is father of an sub-language.
*
* @param int $language_id The language id
*
* @return bool
*/
public static function check_if_language_is_father($language_id)
{
$table = Database::get_main_table(TABLE_MAIN_LANGUAGE);
$sql = 'SELECT count(*) AS count FROM '.$table.'
WHERE parent_id= '.intval($language_id).' AND NOT ISNULL(parent_id);';
$rs = Database::query($sql);
if (Database::num_rows($rs) > 0 && Database::result($rs, '0', 'count') == 1) {
return true;
} else {
return false;
}
}
/**
* Make unavailable the language.
*
* @param int $language_id The language id
*
* @return bool
*/
public static function make_unavailable_language($language_id)
{
$tbl_admin_languages = Database::get_main_table(TABLE_MAIN_LANGUAGE);
$sql = "UPDATE $tbl_admin_languages SET available='0'
WHERE id = ".intval($language_id)."";
$result = Database::query($sql);
return $result !== false; //only return false on sql error
}
/**
* Make available the language.
*
* @param int $language_id language id
*
* @return bool
*/
public static function make_available_language($language_id)
{
$tbl_admin_languages = Database::get_main_table(TABLE_MAIN_LANGUAGE);
$sql = "UPDATE $tbl_admin_languages SET available='1'
WHERE id = ".intval($language_id)."";
$result = Database::query($sql);
return $result !== false; //only return false on sql error
}
/**
* Set platform language.
*
* @param int $languageId The language id
*
* @return bool
*/
public static function set_platform_language($languageId)
{
if (empty($languageId) || intval($languageId) != $languageId) {
return false;
}
$languageId = intval($languageId);
$tblAdminLanguages = Database::get_main_table(TABLE_MAIN_LANGUAGE);
$sql = "SELECT english_name FROM $tblAdminLanguages WHERE id = $languageId";
$result = Database::query($sql);
$lang = Database::fetch_array($result);
if ($lang) {
$success = api_set_setting(
'platformLanguage',
$lang['english_name'],
null,
null,
api_get_current_access_url_id()
);
if ($success) {
Event::addEvent(
LOG_PLATFORM_LANGUAGE_CHANGE,
LOG_PLATFORM_LANGUAGE,
$lang['english_name']
);
}
return $success;
}
return false;
}
/**
* Get platform language ID.
*
* @return int The platform language ID
*/
public static function get_platform_language_id()
{
$name = api_get_setting('platformLanguage');
$tbl_admin_languages = Database::get_main_table(TABLE_MAIN_LANGUAGE);
$sql = "SELECT id FROM $tbl_admin_languages WHERE english_name ='$name'";
$res = Database::query($sql);
if (Database::num_rows($res) < 1) {
return false;
}
$row = Database::fetch_array($res);
return (int) $row['id'];
}
/**
* Get parent language path (or null if no parent).
*
* @param string $language_path Children language path
*
* @return string Parent language path or null
*/
public static function get_parent_language_path($language_path)
{
$tbl_admin_languages = Database::get_main_table(TABLE_MAIN_LANGUAGE);
$sql = "SELECT dokeos_folder
FROM ".$tbl_admin_languages."
WHERE id = (
SELECT parent_id FROM ".$tbl_admin_languages."
WHERE dokeos_folder = '".Database::escape_string($language_path)."'
)
";
$result = Database::query($sql);
if (Database::num_rows($result) == 0) {
return null;
}
$row = Database::fetch_array($result);
return $row['dokeos_folder'];
}
/**
* Get language matching isocode.
*
* @param string $isocode The language isocode (en, es, fr, zh-TW, etc)
*
* @return mixed English name of the matching language, or false if no active language could be found
*/
public static function getLanguageFromIsocode($isocode)
{
$isocode = Database::escape_string($isocode);
$adminLanguagesTable = Database::get_main_table(TABLE_MAIN_LANGUAGE);
// select language - if case several languages match, get the last (more recent) one
$sql = "SELECT english_name
FROM ".$adminLanguagesTable."
WHERE
isocode ='$isocode' AND
available = 1
ORDER BY id
DESC LIMIT 1";
$res = Database::query($sql);
if (Database::num_rows($res) < 1) {
return false;
}
$row = Database::fetch_assoc($res);
return $row['english_name'];
}
/**
* Get best language in browser preferences.
*
* @param string $preferences The browser-configured language preferences (e.g. "en,es;q=0.7;en-us;q=0.3", etc)
*
* @return mixed English name of the matching language, or false if no active language could be found
*/
public static function getLanguageFromBrowserPreference($preferences)
{
if (empty($preferences)) {
return false;
}
$preferencesArray = explode(',', $preferences);
if (count($preferencesArray) > 0) {
foreach ($preferencesArray as $pref) {
$s = strpos($pref, ';');
if ($s >= 2) {
$code = substr($pref, 0, $s);
} else {
$code = $pref;
}
$name = self::getLanguageFromIsocode($code);
if ($name !== false) {
return $name;
}
}
}
return false;
}
}
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