<?php /* For licensing terms, see /license.txt */
/**
* SubLanguageManager class definition file
* @package chamilo.admin.sublanguage
* @todo clean this lib and move to main/inc/lib
*/
class SubLanguageManager {
private function __construct() {
//void
}
/**
* Get all files of lang folder (forum.inc.php,gradebook.inc.php,notebook.inc.php)
* @param String The lang path folder (/var/www/my_lms/main/lang/spanish)
* @param bool 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) {
$content_dir=array();
if (is_dir($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 $content_dir;
}
}
/**
* Get all information of sub-language
* @param Integer The parent id(Language father id)
* @param Integer The sub language id
* @return Array All information about sub-language
*/
public static function get_all_information_of_sub_language ($parent_id,$sub_language_id) {
$tbl_admin_languages = Database :: get_main_table(TABLE_MAIN_LANGUAGE);
$sql='SELECT * FROM '.$tbl_admin_languages.' WHERE parent_id="'.Database::escape_string($parent_id).'" AND id="'.Database::escape_string($sub_language_id).'"';
$rs=Database::query($sql);
$all_information=array();
while ($row=Database::fetch_array($rs,'ASSOC')) {
$all_information=$row;
}
return $all_information;
}
/**
* Get all information of language
* @param Integer The parent id(Language father id)
* @return Array All information about language
*/
public static function get_all_information_of_language ($parent_id) {
$tbl_admin_languages = Database :: get_main_table(TABLE_MAIN_LANGUAGE);
$sql='SELECT * FROM '.$tbl_admin_languages.' WHERE id = "'.intval($parent_id).'"';
$rs=Database::query($sql);
$all_information=array();
while ($row=Database::fetch_array($rs, 'ASSOC')) {
$all_information=$row;
}
return $all_information;
}
/**
* Get all information of chamilo file
* @param String The chamilo path file (/var/www/chamilo/main/lang/spanish/gradebook.inc.php)
* @return Array Contains all information of chamilo file
*/
public static function get_all_language_variable_in_file($system_path_file, $get_as_string_index=false) {
$res_list = array();
if (!is_readable($system_path_file)) {
return $res_list;
}
$info_file=file($system_path_file);
foreach ($info_file as $line) {
if (substr($line,0,1)!='$') { continue; }
list($var,$val) = split('=',$line,2);
$var = trim($var); $val = trim($val);
if ($get_as_string_index) { //remove the prefix $
$var = substr($var,1);
}
$res_list[$var] = $val;
}
return $res_list;
}
/**
* Add file in sub-language directory and add header(tag php)
* @param String The chamilo path file (/var/www/chamilo/main/lang/spanish/gradebook.inc.php)
* @return bool
*/
public static function add_file_in_language_directory($system_path_file) {
$return_value = false;
$return_value = @file_put_contents($system_path_file,'<?php ' . PHP_EOL );
return $return_value;
}
/**
* Write in file of sub-language
* @param String The path file (/var/www/chamilo/main/lang/spanish/gradebook.inc.php)
* @param String The new sub-language
* @param String The language variable
* @return void()
*/
public static function write_data_in_file($path_file, $new_term, $new_variable) {
$return_value = false;
$new_data=$new_variable.'='.$new_term;
$resource = @fopen($path_file, "a");
if (file_exists($path_file) & & $resource) {
if (fwrite($resource, $new_data.PHP_EOL) === false) {
//not allow to write
$return_value = false;
} else {
$return_value = true;
}
fclose($resource);
}
return $return_value;
}
/**
* Add directory for sub-language
* @param String The sub-language directory ( e.g. 'spanish_corporate' )
* @return boolean True on success, false on failure
*/
public static function add_language_directory($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 Integer The parent id
* @return bool True on success, false on error
*/
public static function remove_sub_language ($parent_id,$sub_language_id) {
if (empty($parent_id) or (intval($parent_id)!=$parent_id) or empty($sub_language_id) or (intval($sub_language_id) != $sub_language_id)) { return false; }
$tbl_admin_languages = Database :: get_main_table(TABLE_MAIN_LANGUAGE);
$sql = 'SELECT dokeos_folder FROM '.$tbl_admin_languages.' 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);
$res = SubLanguageManager::remove_language_directory($row['dokeos_folder']);
if ($res === false) { return false; } //can't delete dir, so do not delete language record
$sql = 'DELETE FROM '.$tbl_admin_languages.' WHERE id="'.Database::escape_string($sub_language_id).'" ';
$res = Database::query($sql);
return $res;
}
/**
* Remove directory for sub-language
* @param String The sub-language path directory ( e.g. 'spanish_corporate'' )
* @return boolean True on success, false on failure
*/
public static function remove_language_directory($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
$content = SubLanguageManager::get_lang_folder_files_list($dir);
if (count($content)>0) {
foreach ($content as $value_content) {
$path_file = $dir.'/'.$value_content;
unlink($path_file);
}
return @rmdir($dir);
} else {
return @rmdir($dir);
}
}
/**
* check if language exist by id
* @param Integer The language id
* @return Boolean
*/
public static function check_if_exist_language_by_id ($language_id) {
$tbl_admin_languages = Database :: get_main_table(TABLE_MAIN_LANGUAGE);
$sql='SELECT count(*) as count FROM '.$tbl_admin_languages.' 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 Integer The language id
* @return String The original name of language
*/
public static function get_name_of_language_by_id ($language_id) {
$tbl_admin_languages = Database :: get_main_table(TABLE_MAIN_LANGUAGE);
$sql='SELECT original_name FROM '.$tbl_admin_languages.' WHERE id="'.Database::escape_string($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 Integer The language id
* @return Boolean
*/
public static function check_if_language_is_sub_language ($language_id) {
$tbl_admin_languages = Database :: get_main_table(TABLE_MAIN_LANGUAGE);
$sql='SELECT count(*) AS count FROM '.$tbl_admin_languages.' WHERE id="'.Database::escape_string($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;
}
}
/**
* Verified if language is father of an sub-language
* @param Integer The language id
* @return Boolean
*/
public static function check_if_language_is_father ($language_id) {
$tbl_admin_languages = Database :: get_main_table(TABLE_MAIN_LANGUAGE);
$sql='SELECT count(*) AS count FROM '.$tbl_admin_languages.' WHERE parent_id="'.Database::escape_string($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 Integer The language id
* @return void()
*/
public static function make_unavailable_language ($language_id) {
$tbl_admin_languages= Database :: get_main_table(TABLE_MAIN_LANGUAGE);
$sql_make_unavailable = "UPDATE $tbl_admin_languages SET available='0' WHERE id='".Database::escape_string($language_id)."'";
$result = Database::query($sql_make_unavailable);
return $result !== false; //only return false on sql error
}
/**
* Make available the language
* @param Integer The language id
* @return void
*/
public static function make_available_language ($language_id) {
$tbl_admin_languages= Database :: get_main_table(TABLE_MAIN_LANGUAGE);
$sql_make_available = "UPDATE $tbl_admin_languages SET available='1' WHERE id='".Database::escape_string($language_id)."'";
$result = Database::query($sql_make_available);
return $result !== false; //only return false on sql error
}
/**
* Set platform language
* @param Integer The language id
* @return void()
*/
public static function set_platform_language ($language_id) {
if (empty($language_id) or (intval($language_id)!=$language_id)) { return false; }
$tbl_admin_languages = Database :: get_main_table(TABLE_MAIN_LANGUAGE);
$tbl_settings_current = Database :: get_main_table(TABLE_MAIN_SETTINGS_CURRENT);
$sql_update = "SELECT english_name FROM ". $tbl_admin_languages." WHERE id='".Database::escape_string($language_id)."'";
$result = Database::query($sql_update);
$lang=Database::fetch_array($result);
$sql_update_2 = "UPDATE ".$tbl_settings_current." SET selected_value='".$lang['english_name']."' WHERE variable='platformLanguage'";
$result_2 = Database::query($sql_update_2);
return $result_2 !== 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 $row['id'];
}
/*
* Get parent language path (or null if no parent)
* @param string Children language path
* @return string Parent language path or null
*/
public static function get_parent_language_path ($language_path) {
$tbl_admin_languages = Database :: get_main_table(TABLE_MAIN_LANGUAGE);
$tbl_settings_current = Database :: get_main_table(TABLE_MAIN_SETTINGS_CURRENT);
$sql_update = "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_update);
if (Database::num_rows($result) == 0) {
return null;
}
$row = Database::fetch_array($result);
return $row['dokeos_folder'];
}
}
?>
