<?php namespace BookStack\Services;
use BookStack\Setting;
+use BookStack\User;
use Illuminate\Contracts\Cache\Repository as Cache;
/**
protected $setting;
protected $cache;
+ protected $localCache = [];
protected $cachePrefix = 'setting-';
*/
public function get($key, $default = false)
{
- $value = $this->getValueFromStore($key, $default);
- return $this->formatValue($value, $default);
+ if ($default === false) $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 user-specific setting from the database or cache.
+ * @param User $user
+ * @param $key
+ * @param bool $default
+ * @return bool|string
+ */
+ public function getUser($user, $key, $default = false)
+ {
+ return $this->get($this->userKey($user->id, $key), $default);
}
/**
* Gets a setting value from the cache or database.
+ * Looks at the system defaults if not cached or in database.
* @param $key
* @param $default
* @return mixed
*/
protected function getValueFromStore($key, $default)
{
+ // Check for an overriding value
+ $overrideValue = $this->getOverrideValue($key);
+ if ($overrideValue !== null) return $overrideValue;
+
+ // Check the cache
$cacheKey = $this->cachePrefix . $key;
- if ($this->cache->has($cacheKey)) {
- return $this->cache->get($cacheKey);
- }
+ $cacheVal = $this->cache->get($cacheKey, null);
+ if ($cacheVal !== null) return $cacheVal;
+ // Check the database
$settingObject = $this->getSettingObjectByKey($key);
- if($settingObject !== null) {
+ if ($settingObject !== null) {
$value = $settingObject->value;
$this->cache->forever($cacheKey, $value);
return $value;
return $default;
}
+ /**
+ * Clear an item from the cache completely.
+ * @param $key
+ */
protected function clearFromCache($key)
{
$cacheKey = $this->cachePrefix . $key;
return $setting !== null;
}
+ /**
+ * Check if a user setting is in the database.
+ * @param $key
+ * @return bool
+ */
+ public function hasUser($key)
+ {
+ return $this->has($this->userKey($key));
+ }
+
/**
* Add a setting to the database.
* @param $key
return true;
}
+ /**
+ * Put a user-specific setting into the database.
+ * @param User $user
+ * @param $key
+ * @param $value
+ * @return bool
+ */
+ public function putUser($user, $key, $value)
+ {
+ return $this->put($this->userKey($user->id, $key), $value);
+ }
+
+ /**
+ * Convert a setting key into a user-specific key.
+ * @param $key
+ * @return string
+ */
+ protected function userKey($userId, $key = '')
+ {
+ return 'user:' . $userId . ':' . $key;
+ }
+
/**
* Removes a setting from the database.
* @param $key
return true;
}
+ /**
+ * Delete settings for a given user id.
+ * @param $userId
+ * @return mixed
+ */
+ public function deleteUserSettings($userId)
+ {
+ return $this->setting->where('setting_key', 'like', $this->userKey($userId) . '%')->delete();
+ }
+
/**
* Gets a setting model from the database for the given key.
* @param $key
* @return mixed
*/
- private function getSettingObjectByKey($key)
+ protected function getSettingObjectByKey($key)
{
return $this->setting->where('setting_key', '=', $key)->first();
}
+
+ /**
+ * Returns an override value for a setting based on certain app conditions.
+ * Used where certain configuration options overrule others.
+ * Returns null if no override value is available.
+ * @param $key
+ * @return bool|null
+ */
+ protected function getOverrideValue($key)
+ {
+ if ($key === 'registration-enabled' && config('auth.method') === 'ldap') return false;
+ return null;
+ }
+
}
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