mirror of
https://github.com/BookStackApp/BookStack.git
synced 2024-10-30 15:42:41 +01:00
248 lines
6.2 KiB
PHP
248 lines
6.2 KiB
PHP
<?php
|
|
|
|
namespace BookStack\Settings;
|
|
|
|
use BookStack\Auth\User;
|
|
use Illuminate\Contracts\Cache\Repository as Cache;
|
|
|
|
/**
|
|
* Class SettingService
|
|
* The settings are a simple key-value database store.
|
|
* For non-authenticated users, user settings are stored via the session instead.
|
|
*/
|
|
class SettingService
|
|
{
|
|
protected $setting;
|
|
protected $cache;
|
|
protected $localCache = [];
|
|
|
|
protected $cachePrefix = 'setting-';
|
|
|
|
/**
|
|
* SettingService constructor.
|
|
*/
|
|
public function __construct(Setting $setting, Cache $cache)
|
|
{
|
|
$this->setting = $setting;
|
|
$this->cache = $cache;
|
|
}
|
|
|
|
/**
|
|
* Gets a setting from the database,
|
|
* If not found, Returns default, Which is false by default.
|
|
*/
|
|
public function get(string $key, $default = null)
|
|
{
|
|
if (is_null($default)) {
|
|
$default = config('setting-defaults.' . $key, false);
|
|
}
|
|
|
|
if (isset($this->localCache[$key])) {
|
|
return $this->localCache[$key];
|
|
}
|
|
|
|
$value = $this->getValueFromStore($key) ?? $default;
|
|
$formatted = $this->formatValue($value, $default);
|
|
$this->localCache[$key] = $formatted;
|
|
|
|
return $formatted;
|
|
}
|
|
|
|
/**
|
|
* Get a value from the session instead of the main store option.
|
|
*/
|
|
protected function getFromSession(string $key, $default = false)
|
|
{
|
|
$value = session()->get($key, $default);
|
|
|
|
return $this->formatValue($value, $default);
|
|
}
|
|
|
|
/**
|
|
* Get a user-specific setting from the database or cache.
|
|
*/
|
|
public function getUser(User $user, string $key, $default = null)
|
|
{
|
|
if (is_null($default)) {
|
|
$default = config('setting-defaults.user.' . $key, false);
|
|
}
|
|
|
|
if ($user->isDefault()) {
|
|
return $this->getFromSession($key, $default);
|
|
}
|
|
|
|
return $this->get($this->userKey($user->id, $key), $default);
|
|
}
|
|
|
|
/**
|
|
* Get a value for the current logged-in user.
|
|
*/
|
|
public function getForCurrentUser(string $key, $default = null)
|
|
{
|
|
return $this->getUser(user(), $key, $default);
|
|
}
|
|
|
|
/**
|
|
* Gets a setting value from the cache or database.
|
|
* Looks at the system defaults if not cached or in database.
|
|
* Returns null if nothing is found.
|
|
*/
|
|
protected function getValueFromStore(string $key)
|
|
{
|
|
// Check the cache
|
|
$cacheKey = $this->cachePrefix . $key;
|
|
$cacheVal = $this->cache->get($cacheKey, null);
|
|
if ($cacheVal !== null) {
|
|
return $cacheVal;
|
|
}
|
|
|
|
// Check the database
|
|
$settingObject = $this->getSettingObjectByKey($key);
|
|
if ($settingObject !== null) {
|
|
$value = $settingObject->value;
|
|
|
|
if ($settingObject->type === 'array') {
|
|
$value = json_decode($value, true) ?? [];
|
|
}
|
|
|
|
$this->cache->forever($cacheKey, $value);
|
|
|
|
return $value;
|
|
}
|
|
|
|
return null;
|
|
}
|
|
|
|
/**
|
|
* Clear an item from the cache completely.
|
|
*/
|
|
protected function clearFromCache(string $key)
|
|
{
|
|
$cacheKey = $this->cachePrefix . $key;
|
|
$this->cache->forget($cacheKey);
|
|
if (isset($this->localCache[$key])) {
|
|
unset($this->localCache[$key]);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Format a settings value.
|
|
*/
|
|
protected function formatValue($value, $default)
|
|
{
|
|
// Change string booleans to actual booleans
|
|
if ($value === 'true') {
|
|
$value = true;
|
|
} elseif ($value === 'false') {
|
|
$value = false;
|
|
}
|
|
|
|
// Set to default if empty
|
|
if ($value === '') {
|
|
$value = $default;
|
|
}
|
|
|
|
return $value;
|
|
}
|
|
|
|
/**
|
|
* Checks if a setting exists.
|
|
*/
|
|
public function has(string $key): bool
|
|
{
|
|
$setting = $this->getSettingObjectByKey($key);
|
|
|
|
return $setting !== null;
|
|
}
|
|
|
|
/**
|
|
* Add a setting to the database.
|
|
* Values can be an array or a string.
|
|
*/
|
|
public function put(string $key, $value): bool
|
|
{
|
|
$setting = $this->setting->newQuery()->firstOrNew([
|
|
'setting_key' => $key,
|
|
]);
|
|
$setting->type = 'string';
|
|
|
|
if (is_array($value)) {
|
|
$setting->type = 'array';
|
|
$value = $this->formatArrayValue($value);
|
|
}
|
|
|
|
$setting->value = $value;
|
|
$setting->save();
|
|
$this->clearFromCache($key);
|
|
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* Format an array to be stored as a setting.
|
|
* Array setting types are expected to be a flat array of child key=>value array items.
|
|
* This filters out any child items that are empty.
|
|
*/
|
|
protected function formatArrayValue(array $value): string
|
|
{
|
|
$values = collect($value)->values()->filter(function (array $item) {
|
|
return count(array_filter($item)) > 0;
|
|
});
|
|
|
|
return json_encode($values);
|
|
}
|
|
|
|
/**
|
|
* Put a user-specific setting into the database.
|
|
*/
|
|
public function putUser(User $user, string $key, string $value): bool
|
|
{
|
|
if ($user->isDefault()) {
|
|
session()->put($key, $value);
|
|
|
|
return true;
|
|
}
|
|
|
|
return $this->put($this->userKey($user->id, $key), $value);
|
|
}
|
|
|
|
/**
|
|
* Convert a setting key into a user-specific key.
|
|
*/
|
|
protected function userKey(string $userId, string $key = ''): string
|
|
{
|
|
return 'user:' . $userId . ':' . $key;
|
|
}
|
|
|
|
/**
|
|
* Removes a setting from the database.
|
|
*/
|
|
public function remove(string $key): void
|
|
{
|
|
$setting = $this->getSettingObjectByKey($key);
|
|
if ($setting) {
|
|
$setting->delete();
|
|
}
|
|
$this->clearFromCache($key);
|
|
}
|
|
|
|
/**
|
|
* Delete settings for a given user id.
|
|
*/
|
|
public function deleteUserSettings(string $userId)
|
|
{
|
|
return $this->setting->newQuery()
|
|
->where('setting_key', 'like', $this->userKey($userId) . '%')
|
|
->delete();
|
|
}
|
|
|
|
/**
|
|
* Gets a setting model from the database for the given key.
|
|
*/
|
|
protected function getSettingObjectByKey(string $key): ?Setting
|
|
{
|
|
return $this->setting->newQuery()
|
|
->where('setting_key', '=', $key)->first();
|
|
}
|
|
}
|