*/
namespace Friendica\Core;
-use Friendica\App;
-use Friendica\BaseObject;
+use Friendica\Core\Config\ConfigCache;
+use Friendica\Core\Config\IConfigAdapter;
+use Friendica\Core\Config\IConfigCache;
/**
* @brief Arbitrary system configuration storage
* If we ever would decide to return exactly the variable type as entered,
* we will have fun with the additional features. :-)
*/
-class Config extends BaseObject
+class Config
{
- public static $config = [];
+ /**
+ * @var Config\IConfigAdapter|null
+ */
+ private static $adapter;
/**
- * @var \Friendica\Core\Config\IConfigAdapter
+ * @var Config\IConfigCache
*/
- private static $adapter = null;
+ private static $cache;
- public static function init()
+ /**
+ * Initialize the config with only the cache
+ *
+ * @param Config\IConfigCache $cache The configuration cache
+ */
+ public static function init(Config\IConfigCache $cache)
{
- // Database isn't ready or populated yet
- if (!self::getApp()->getMode()->has(App\Mode::DBCONFIGAVAILABLE)) {
- return;
- }
+ self::$cache = $cache;
+ }
- if (self::getConfigValue('system', 'config_adapter') == 'preload') {
- self::$adapter = new Config\PreloadConfigAdapter();
- } else {
- self::$adapter = new Config\JITConfigAdapter();
- }
+ /**
+ * Add the adapter for DB-backend
+ *
+ * @param Config\IConfigAdapter $adapter
+ */
+ public static function setAdapter(Config\IConfigAdapter $adapter)
+ {
+ self::$adapter = $adapter;
}
/**
* @brief Loads all configuration values of family into a cached storage.
*
- * All configuration values of the system are stored in global cache
- * which is available under the global variable self::$config
+ * All configuration values of the system are stored in the cache ( @see IConfigCache )
*
* @param string $family The category of the configuration value
*
* @return void
- * @throws \Friendica\Network\HTTPException\InternalServerErrorException
*/
public static function load($family = "config")
{
- // Database isn't ready or populated yet
- if (!self::getApp()->getMode()->has(App\Mode::DBCONFIGAVAILABLE)) {
+ if (!isset(self::$adapter) || !self::$adapter->isConnected()) {
return;
}
- if (empty(self::$adapter)) {
- self::init();
- }
-
self::$adapter->load($family);
}
* ($family) and a key.
*
* Get a particular config value from the given category ($family)
- * and the $key from a cached storage in static::config[$uid].
- * $instore is only used by the set_config function
- * to determine if the key already exists in the DB
- * If a key is found in the DB but doesn't exist in
- * local config cache, pull it into the cache so we don't have
- * to hit the DB again for this item.
+ * and the $key from a cached storage either from the self::$adapter
+ * (@see IConfigAdapter ) or from the static::$cache (@see IConfigCache ).
*
* @param string $family The category of the configuration value
* @param string $key The configuration key to query
* @param boolean $refresh optional, If true the config is loaded from the db and not from the cache (default: false)
*
* @return mixed Stored value or null if it does not exist
- * @throws \Friendica\Network\HTTPException\InternalServerErrorException
*/
public static function get($family, $key, $default_value = null, $refresh = false)
{
- // Database isn't ready or populated yet, fallback to file config
- if (!self::getApp()->getMode()->has(App\Mode::DBCONFIGAVAILABLE)) {
- return self::getConfigValue($family, $key, $default_value);
- }
-
- if (empty(self::$adapter)) {
- self::init();
+ if (!isset(self::$adapter) || !self::$adapter->isConnected()) {
+ return self::$cache->get($family, $key, $default_value);
}
return self::$adapter->get($family, $key, $default_value, $refresh);
* @brief Sets a configuration value for system config
*
* Stores a config value ($value) in the category ($family) under the key ($key)
- * for the user_id $uid.
*
* Note: Please do not store booleans - convert to 0/1 integer values!
*
* @param mixed $value The value to store
*
* @return bool Operation success
- * @throws \Friendica\Network\HTTPException\InternalServerErrorException
*/
public static function set($family, $key, $value)
{
- // Database isn't ready or populated yet
- if (!self::getApp()->getMode()->has(App\Mode::DBCONFIGAVAILABLE)) {
- return false;
- }
-
- if (empty(self::$adapter)) {
- self::init();
+ if (!isset(self::$adapter) || !self::$adapter->isConnected()) {
+ return self::$cache->set($family, $key, $value);
}
return self::$adapter->set($family, $key, $value);
/**
* @brief Deletes the given key from the system configuration.
*
- * Removes the configured value from the stored cache in Config::$config
- * and removes it from the database.
+ * Removes the configured value from the stored cache in self::$config
+ * (@see ConfigCache ) and removes it from the database (@see IConfigAdapter ).
*
* @param string $family The category of the configuration value
* @param string $key The configuration key to delete
*
* @return mixed
- * @throws \Friendica\Network\HTTPException\InternalServerErrorException
*/
public static function delete($family, $key)
{
- // Database isn't ready or populated yet
- if (!self::getApp()->getMode()->has(App\Mode::DBCONFIGAVAILABLE)) {
- return false;
- }
-
- if (empty(self::$adapter)) {
- self::init();
+ if (!isset(self::$adapter) || !self::$adapter->isConnected()) {
+ self::$cache->delete($family, $key);
}
return self::$adapter->delete($family, $key);
}
-
- /**
- * Tries to load the specified configuration array into the App->config array.
- * Doesn't overwrite previously set values by default to prevent default config files to supersede DB Config.
- *
- * @param array $config
- * @param bool $overwrite Force value overwrite if the config key already exists
- */
- public static function loadConfigArray(array $config, $overwrite = false)
- {
- foreach ($config as $category => $values) {
- foreach ($values as $key => $value) {
- if ($overwrite) {
- self::setConfigValue($category, $key, $value);
- } else {
- self::setDefaultConfigValue($category, $key, $value);
- }
- }
- }
- }
-
- /**
- * @param string $cat Config category
- * @param string $k Config key
- * @param mixed $default Default value if it isn't set
- *
- * @return string Returns the value of the Config entry
- */
- public static function getConfigValue($cat, $k = null, $default = null)
- {
- $return = $default;
-
- if ($cat === 'config') {
- if (isset(self::$config[$k])) {
- $return = self::$config[$k];
- }
- } else {
- if (isset(self::$config[$cat][$k])) {
- $return = self::$config[$cat][$k];
- } elseif ($k == null && isset(self::$config[$cat])) {
- $return = self::$config[$cat];
- }
- }
-
- return $return;
- }
-
- /**
- * Sets a default value in the config cache. Ignores already existing keys.
- *
- * @param string $cat Config category
- * @param string $k Config key
- * @param mixed $v Default value to set
- */
- private static function setDefaultConfigValue($cat, $k, $v)
- {
- if (!isset(self::$config[$cat][$k])) {
- self::setConfigValue($cat, $k, $v);
- }
- }
-
- /**
- * Sets a value in the config cache. Accepts raw output from the config table
- *
- * @param string $cat Config category
- * @param string $k Config key
- * @param mixed $v Value to set
- */
- public static function setConfigValue($cat, $k, $v)
- {
- // Only arrays are serialized in database, so we have to unserialize sparingly
- $value = is_string($v) && preg_match("|^a:[0-9]+:{.*}$|s", $v) ? unserialize($v) : $v;
-
- if ($cat === 'config') {
- self::$config[$k] = $value;
- } else {
- if (!isset(self::$config[$cat])) {
- self::$config[$cat] = [];
- }
-
- self::$config[$cat][$k] = $value;
- }
- }
-
- /**
- * Deletes a value from the config cache
- *
- * @param string $cat Config category
- * @param string $k Config key
- */
- public static function deleteConfigValue($cat, $k)
- {
- if ($cat === 'config') {
- if (isset(self::$config[$k])) {
- unset(self::$config[$k]);
- }
- } else {
- if (isset(self::$config[$cat][$k])) {
- unset(self::$config[$cat][$k]);
- }
- }
- }
-
- /**
- * Returns the whole configuration
- *
- * @return array The configuration
- */
- public static function getAll()
- {
- return self::$config;
- }
}
projects / friendica.git / blobdiff