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loading all translations in one go from cachem, saving some latency

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This commit is contained in:
Ralf Becker 2012-11-05 13:24:52 +00:00
parent a709f6104f
commit 1e53272309
1 changed files with 45 additions and 38 deletions
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83
phpgwapi/inc/class.translation.inc.php
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@ -192,15 +192,19 @@ class translation
{ {
self::$userlang = $GLOBALS['egw_info']['user']['preferences']['common']['lang']; self::$userlang = $GLOBALS['egw_info']['user']['preferences']['common']['lang'];
} }
self::add_app('common'); $apps = array('common');
// for eTemplate apps, load etemplate before app itself (allowing app to overwrite etemplate translations)
if (class_exists('etemplate', false)) $apps[] = 'etemplate';
if ($GLOBALS['egw_info']['flags']['currentapp']) $apps[] = $GLOBALS['egw_info']['flags']['currentapp'];
// load instance specific translations last, so they can overwrite everything
$apps[] = 'custom';
self::add_app($apps);
if (!count(self::$lang_arr)) if (!count(self::$lang_arr))
{ {
self::$userlang = 'en'; self::$userlang = 'en';
self::add_app('common'); self::add_app($apps);
} }
self::add_app($GLOBALS['egw_info']['flags']['currentapp']);
// load instance specific translations
self::add_app('custom');
} }
} }
@ -254,7 +258,7 @@ class translation
} }
/** /**
* Adds translations for an application * Adds translations for (multiple) application(s)
* *
* By default the translations are read from the tree-wide cache * By default the translations are read from the tree-wide cache
* *
@ -262,65 +266,68 @@ class translation
* if multiple names given, they are requested in one request from cache and loaded in given order * if multiple names given, they are requested in one request from cache and loaded in given order
* @param string $lang=false 2 or 5 char lang-code or false for the users language * @param string $lang=false 2 or 5 char lang-code or false for the users language
*/ */
static function add_app($apps,$lang=null) static function add_app($apps, $lang=null)
{ {
$lang = $lang ? $lang : self::$userlang; //$start = microtime(true);
if (!$lang) $lang = self::$userlang;
$tree_level = $instance_level = array(); $tree_level = $instance_level = array();
foreach((array)$apps as $app) $apps = (array)$apps;
foreach($apps as $key => $app)
{ {
if (!isset(self::$loaded_apps[$app]) || self::$loaded_apps[$app] != $lang && $app != 'common') if (!isset(self::$loaded_apps[$app]) || self::$loaded_apps[$app] != $lang && $app != 'common')
{ {
if (in_array($app, self::$instance_specific_translations)) if (in_array($app, self::$instance_specific_translations))
{ {
$instance_level[] = $app; $instance_level[] = $app.':'.($app == 'custom' ? 'en' : $lang);
} }
else else
{ {
$tree_level[] = $app; $tree_level[] = $app.':'.$lang;
} }
} }
} else
if ($app == 'custom') $lang = 'en'; // custom translations use only 'en'
if (!isset(self::$loaded_apps[$app]) || self::$loaded_apps[$app] != $lang)
{
//$start = microtime(true);
// for loginscreen we have to use a instance specific cache!
$instance_specific = in_array($app, self::$instance_specific_translations);
$loaded = egw_cache::getCache($instance_specific ? egw_cache::INSTANCE : egw_cache::TREE,
__CLASS__,$app.':'.$lang);
// do NOT use automatic callback to cache result, as installing languages in setup can create
// a racecondition, therefore only cache existing non-instance-specific translations,
// never cache nothing found === array(), instance-specific translations can and should always be cached!
//error_log(__METHOD__."('$app', '$lang') egw_cache::getCache() returned ".(is_array($loaded)?'Array('.count($loaded).')':array2string($loaded)));
if (!$loaded && (!$instance_specific || is_null($loaded)))
{ {
//error_log(__METHOD__."('$app', '$lang') instance_specific=$instance_specific, egw_cache::getCache() returned ".(is_array($loaded)?'Array('.count($loaded).')':array2string($loaded))); unset($apps[$key]);
if ($instance_specific) }
}
// load all translations from cache at once
if ($tree_level) $tree_level = egw_cache::getTree(__CLASS__, $tree_level);
if ($instance_level) $instance_level = egw_cache::getInstance(__CLASS__, $instance_level);
// merging loaded translations together
foreach((array)$apps as $app)
{
$l = $app == 'custom' ? 'en' : $lang;
if (isset($tree_level[$app.':'.$l]))
{
$loaded =& $tree_level[$app.':'.$l];
}
elseif (isset($instance_level[$app.':'.$l]))
{
$loaded =& $instance_level[$app.':'.$l];
}
else
{
if (($instance_specific = in_array($app, self::$instance_specific_translations)))
{ {
$loaded =& self::load_app($app, $lang); $loaded =& self::load_app($app, $l);
} }
else else
{ {
$loaded =& self::load_app_files($app, $lang); $loaded =& self::load_app_files($app, $l);
} }
//error_log(__METHOD__."('$app', '$lang') instance_specific=$instance_specific, load_app(_files)() returned ".(is_array($loaded)?'Array('.count($loaded).')':array2string($loaded))); //error_log(__METHOD__."('$app', '$lang') instance_specific=$instance_specific, load_app(_files)() returned ".(is_array($loaded)?'Array('.count($loaded).')':array2string($loaded)));
if ($loaded || $instance_specific) if ($loaded || $instance_specific)
{ {
$ok=egw_cache::setCache($instance_specific ? egw_cache::INSTANCE : egw_cache::TREE, $ok=egw_cache::setCache($instance_specific ? egw_cache::INSTANCE : egw_cache::TREE,
__CLASS__,$app.':'.$lang,$loaded); __CLASS__, $app.':'.$l, $loaded);
//error_log(__METHOD__."('$app', '$lang') caching now ".(is_array($loaded)?'Array('.count($loaded).')':array2string($loaded))." egw_cache::setCache() returned ".array2string($ok)); //error_log(__METHOD__."('$app', '$lang') caching now ".(is_array($loaded)?'Array('.count($loaded).')':array2string($loaded))." egw_cache::setCache() returned ".array2string($ok));
} }
} }
//error_log(__METHOD__."('$app', '$lang') loaded = ".(is_array($loaded)?'Array('.count($loaded).')':array2string($loaded)));
// we have to use array_merge! (+= does not overwrite common translations with different ones in an app)
// array_merge messes up translations of numbers, which make no sense and should be avoided anyway.
if ($loaded) self::$lang_arr = array_merge(self::$lang_arr, $loaded); if ($loaded) self::$lang_arr = array_merge(self::$lang_arr, $loaded);
self::$loaded_apps[$app] = $lang; self::$loaded_apps[$app] = $l;
//error_log(__METHOD__."($app,$lang) took ".(1000*(microtime(true)-$start))." ms, loaded ".count($loaded)." phrases -> total=".count(self::$lang_arr).": ".function_backtrace());
} }
//error_log(__METHOD__.'('.array2string($apps).", '$lang') took ".(1000*(microtime(true)-$start))." ms, loaded ".count($loaded)." phrases -> total=".count(self::$lang_arr));//.": ".function_backtrace());
} }
/** /**