friendica/src/Model/Config/PConfig.php

136 lines
3.6 KiB
PHP

<?php
namespace Friendica\Model\Config;
/**
* The Config model backend for users, which is using the general DB-model backend for user-configs
*/
class PConfig extends DbaConfig
{
/**
* Loads all configuration values and returns the loaded category as an array.
*
* @param int $uid The id of the user to load
* @param string|null $cat The category of the configuration values to load
*
* @return array The config array
*
* @throws \Exception In case DB calls are invalid
*/
public function load(int $uid, string $cat = null)
{
$return = [];
if (empty($cat)) {
$configs = $this->dba->select('pconfig', ['cat', 'v', 'k'], ['uid' => $uid]);
} else {
$configs = $this->dba->select('pconfig', ['cat', 'v', 'k'], ['cat' => $cat, 'uid' => $uid]);
}
while ($config = $this->dba->fetch($configs)) {
$key = $config['k'];
$value = $this->toConfigValue($config['v']);
// just save it in case it is set
if (isset($value)) {
$return[$config['cat']][$key] = $value;
}
}
$this->dba->close($configs);
return $return;
}
/**
* Get a particular user config variable out of the DB with the
* given category name ($cat) and a key ($key).
*
* Note: Boolean variables are defined as 0/1 in the database
*
* @param int $uid The id of the user to load
* @param string $cat The category of the configuration value
* @param string $key The configuration key to query
*
* @return array|string|null Stored value or null if it does not exist
*
* @throws \Exception In case DB calls are invalid
*/
public function get(int $uid, string $cat, string $key)
{
if (!$this->isConnected()) {
return null;
}
$config = $this->dba->selectFirst('pconfig', ['v'], ['uid' => $uid, 'cat' => $cat, 'k' => $key]);
if ($this->dba->isResult($config)) {
$value = $this->toConfigValue($config['v']);
// just return it in case it is set
if (isset($value)) {
return $value;
}
}
return null;
}
/**
* Stores a config value ($value) in the category ($cat) under the key ($key) for a
* given user ($uid).
*
* Note: Please do not store booleans - convert to 0/1 integer values!
*
* @param int $uid The id of the user to load
* @param string $cat The category of the configuration value
* @param string $key The configuration key to set
* @param mixed $value The value to store
*
* @return bool Operation success
*
* @throws \Exception In case DB calls are invalid
*/
public function set(int $uid, string $cat, string $key, $value)
{
if (!$this->isConnected()) {
return false;
}
// We store our setting values in a string variable.
// So we have to do the conversion here so that the compare below works.
// The exception are array values.
$compare_value = (!is_array($value) ? (string)$value : $value);
$stored_value = $this->get($uid, $cat, $key);
if (isset($stored_value) && ($stored_value === $compare_value)) {
return true;
}
$dbvalue = $this->toDbValue($value);
$result = $this->dba->update('pconfig', ['v' => $dbvalue], ['uid' => $uid, 'cat' => $cat, 'k' => $key], true);
return $result;
}
/**
* Removes the configured value of the given user.
*
* @param int $uid The id of the user to load
* @param string $cat The category of the configuration value
* @param string $key The configuration key to delete
*
* @return bool Operation success
*
* @throws \Exception In case DB calls are invalid
*/
public function delete(int $uid, string $cat, string $key)
{
if (!$this->isConnected()) {
return false;
}
return $this->dba->delete('pconfig', ['uid' => $uid, 'cat' => $cat, 'k' => $key]);
}
}