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Settings.php
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Settings.php
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<?php
namespace Sunlight;
use Kuria\Debug\Dumper;
use Sunlight\Database\Database as DB;
abstract class Settings
{
/** @var array */
private static $settings = [];
private static $initialized = false;
static function init(): void
{
if (self::$initialized) {
throw new \LogicException('Already initialized');
}
$cond = Core::$env === Core::ENV_ADMIN
? 'admin=1'
: 'web=1';
$query = DB::query('SELECT var,val FROM ' . DB::table('setting') . ' WHERE preload=1 AND ' . $cond);
while ($row = DB::row($query)) {
self::$settings[$row['var']] = $row['val'];
}
Extend::call('settings.init');
self::$initialized = true;
}
/**
* Get a setting
*/
static function get(string $setting): string
{
if (!isset(self::$settings[$setting])) {
// lazy-load settings that haven't been preloaded
self::loadSetting($setting);
}
return self::$settings[$setting];
}
/**
* Get multiple settings
*/
static function getMultiple(array $settings): array
{
$result = [];
$missing = [];
foreach ($settings as $setting) {
$result[$setting] = self::$settings[$setting] ?? null;
if ($result[$setting] === null) {
$missing[] = $setting;
}
}
if (!empty($missing)) {
self::loadSettings($missing);
foreach ($missing as $setting) {
$result[$setting] = self::$settings[$setting];
}
}
return $result;
}
/**
* Update a setting
*/
static function update(string $setting, string $newValue, bool $log = true): void
{
$oldValue = self::get($setting);
DB::update('setting', 'var=' . DB::val($setting), ['val' => $newValue]);
if ($log) {
Logger::notice(
'system',
sprintf(
'Updated setting "%s" from %s to %s',
$setting,
Dumper::dump($oldValue),
Dumper::dump($newValue)
),
['setting' => $setting, 'old_value' => $oldValue, 'new_value' => $newValue]
);
}
self::$settings[$setting] = $newValue;
}
/**
* Overwrite a setting for the current request (not saved to the database)
*/
static function overwrite(string $setting, string $newValue): void
{
self::$settings[$setting] = $newValue;
}
private static function loadSetting(string $setting): void
{
$result = DB::queryRow('SELECT val FROM ' . DB::table('setting') . ' WHERE var=' . DB::val($setting));
if ($result === false) {
throw new \OutOfBoundsException(sprintf('Unknown setting "%s"', $setting));
}
self::$settings[$setting] = $result['val'];
}
private static function loadSettings(array $settings): void
{
$values = DB::queryRows('SELECT var,val FROM ' . DB::table('setting') . ' WHERE var IN(' . DB::arr($settings) . ')', 'var', 'val');
if (count($values) !== count($settings)) {
$unknownSettings = [];
foreach ($settings as $setting) {
if (!isset($values[$setting])) {
$unknownSettings[] = $setting;
}
}
throw new \OutOfBoundsException(sprintf(
'Unknown settings: %s',
implode(', ', array_map(function (string $setting) { return '"' . $setting . '"'; }, $unknownSettings))
));
}
self::$settings += $values;
}
}