GNUsocial/gnu-social
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load configuration options from database at runtime

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This commit is contained in:
Evan Prodromou 2009-08-21 16:14:32 -04:00
parent 888ed474a1
commit 538dcf2eef
2 changed files with 136 additions and 21 deletions
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109
classes/Config.php
View File

@ -1,8 +1,29 @@
<?php
/*
* Laconica - a distributed open-source microblogging tool
* Copyright (C) 2008, 2009, Control Yourself, Inc.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
if (!defined('LACONICA')) { exit(1); }
/**
* Table Definition for config
*/
require_once 'classes/Memcached_DataObject.php';
require_once INSTALLDIR.'/classes/Memcached_DataObject.php';
class Config extends Memcached_DataObject
{
@ -19,4 +40,90 @@ class Config extends Memcached_DataObject
/* the code above is auto generated do not remove the tag below */
###END_AUTOCODE
const settingsKey = 'config:settings';
static function loadSettings()
{
$settings = self::_getSettings();
if (!empty($settings)) {
self::_applySettings($settings);
}
}
static function _getSettings()
{
$c = self::memcache();
if (!empty($c)) {
$settings = $c->get(common_cache_key(self::settingsKey));
if (!empty($settings)) {
return $settings;
}
}
$settings = array();
$config = new Config();
$config->find();
while ($config->fetch()) {
$settings[] = array($config->section, $config->setting, $config->value);
}
$config->free();
if (!empty($c)) {
$c->set(common_cache_key(self::settingsKey), $settings);
}
return $settings;
}
static function _applySettings($settings)
{
global $config;
foreach ($settings as $s) {
list($section, $setting, $value) = $s;
$config[$section][$setting] = $value;
}
}
function insert()
{
$result = parent::insert();
if ($result) {
Config::_blowSettingsCache();
}
return $result;
}
function delete()
{
$result = parent::delete();
if ($result) {
Config::_blowSettingsCache();
}
return $result;
}
function update($orig=null)
{
$result = parent::update($orig);
if ($result) {
Config::_blowSettingsCache();
}
return $result;
}
function _blowSettingsCache()
{
$c = self::memcache();
if (!empty($c)) {
$c->delete(common_cache_key(self::settingsKey));
}
}
}

48
lib/common.php
View File

@ -21,6 +21,8 @@ if (!defined('LACONICA')) { exit(1); }
define('LACONICA_VERSION', '0.9.0dev');
// XXX: move these to class variables
define('AVATAR_PROFILE_SIZE', 96);
define('AVATAR_STREAM_SIZE', 48);
define('AVATAR_MINI_SIZE', 24);
@ -369,26 +371,6 @@ if ($_db_name != 'laconica' && !array_key_exists('ini_'.$_db_name, $config['db']
$config['db']['ini_'.$_db_name] = INSTALLDIR.'/classes/laconica.ini';
}
// XXX: how many of these could be auto-loaded on use?
require_once 'Validate.php';
require_once 'markdown.php';
require_once INSTALLDIR.'/lib/util.php';
require_once INSTALLDIR.'/lib/action.php';
require_once INSTALLDIR.'/lib/theme.php';
require_once INSTALLDIR.'/lib/mail.php';
require_once INSTALLDIR.'/lib/subs.php';
require_once INSTALLDIR.'/lib/Shorturl_api.php';
require_once INSTALLDIR.'/lib/twitter.php';
require_once INSTALLDIR.'/lib/clientexception.php';
require_once INSTALLDIR.'/lib/serverexception.php';
// XXX: other formats here
define('NICKNAME_FMT', VALIDATE_NUM.VALIDATE_ALPHA_LOWER);
function __autoload($cls)
{
if (file_exists(INSTALLDIR.'/classes/' . $cls . '.php')) {
@ -405,6 +387,32 @@ function __autoload($cls)
}
}
// XXX: how many of these could be auto-loaded on use?
// XXX: note that these files should not use config options
// at compile time since DB config options are not yet loaded.
require_once 'Validate.php';
require_once 'markdown.php';
require_once INSTALLDIR.'/lib/util.php';
require_once INSTALLDIR.'/lib/action.php';
require_once INSTALLDIR.'/lib/theme.php';
require_once INSTALLDIR.'/lib/mail.php';
require_once INSTALLDIR.'/lib/subs.php';
require_once INSTALLDIR.'/lib/Shorturl_api.php';
require_once INSTALLDIR.'/lib/twitter.php';
require_once INSTALLDIR.'/lib/clientexception.php';
require_once INSTALLDIR.'/lib/serverexception.php';
// Load settings from database; note we need autoload for this
Config::loadSettings();
// XXX: other formats here
define('NICKNAME_FMT', VALIDATE_NUM.VALIDATE_ALPHA_LOWER);
// Give plugins a chance to initialize in a fully-prepared environment
Event::handle('InitializePlugin');