mirror of https://github.com/friendica/friendica
137 lines
3.3 KiB
PHP
137 lines
3.3 KiB
PHP
<?php
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namespace Friendica\Core\Config;
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use Friendica\Model;
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/**
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* This class is responsible for all system-wide configuration values in Friendica
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* There are two types of storage
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* - The Config-Files (loaded into the FileCache @see Cache\ConfigCache )
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* - The Config-DB-Table (per Config-DB-model @see Model\Config\Config )
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*/
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class JitConfiguration extends Configuration
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{
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/** @var array */
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private $in_db;
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/**
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* @param Cache\ConfigCache $configCache The configuration cache (based on the config-files)
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* @param Model\Config\Config $configModel The configuration model
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*/
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public function __construct(Cache\ConfigCache $configCache, Model\Config\Config $configModel)
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{
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parent::__construct($configCache, $configModel);
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$this->in_db = [];
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// take the values of the given cache instead of loading them from the model again
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$preSet = $configCache->getAll();
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if (!empty($preSet)) {
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foreach ($preSet as $cat => $data) {
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foreach ($data as $key => $value) {
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$this->in_db[$cat][$key] = true;
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}
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}
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}
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$this->load();
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}
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/**
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* {@inheritDoc}
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*
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*/
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public function load(string $cat = 'config')
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{
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// If not connected, do nothing
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if (!$this->configModel->isConnected()) {
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return;
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}
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$config = $this->configModel->load($cat);
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if (!empty($config[$cat])) {
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foreach ($config[$cat] as $key => $value) {
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$this->in_db[$cat][$key] = true;
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}
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}
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// load the whole category out of the DB into the cache
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$this->configCache->load($config, true);
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}
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/**
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* {@inheritDoc}
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*/
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public function get(string $cat, string $key, $default_value = null, bool $refresh = false)
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{
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// if the value isn't loaded or refresh is needed, load it to the cache
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if ($this->configModel->isConnected() &&
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(empty($this->in_db[$cat][$key]) ||
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$refresh)) {
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$dbvalue = $this->configModel->get($cat, $key);
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if (isset($dbvalue)) {
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$this->configCache->set($cat, $key, $dbvalue);
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unset($dbvalue);
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$this->in_db[$cat][$key] = true;
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}
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}
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// use the config cache for return
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$result = $this->configCache->get($cat, $key);
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return (isset($result)) ? $result : $default_value;
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}
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/**
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* {@inheritDoc}
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*/
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public function set(string $cat, string $key, $value)
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{
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// set the cache first
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$cached = $this->configCache->set($cat, $key, $value);
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// If there is no connected adapter, we're finished
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if (!$this->configModel->isConnected()) {
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return $cached;
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}
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$stored = $this->configModel->set($cat, $key, $value);
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$this->in_db[$cat][$key] = $stored;
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return $cached && $stored;
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}
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/**
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* @brief Deletes the given key from the system configuration.
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*
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* Removes the configured value from the stored cache in $this->configCache
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* (@param string $cat The category of the configuration value
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*
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* @param string $key The configuration key to delete
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*
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* @return bool
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* @see ConfigCache ) and removes it from the database (@see IConfigAdapter ).
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*
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*/
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public function delete(string $cat, string $key)
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{
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$cacheRemoved = $this->configCache->delete($cat, $key);
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if (isset($this->in_db[$cat][$key])) {
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unset($this->in_db[$cat][$key]);
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}
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if (!$this->configModel->isConnected()) {
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return $cacheRemoved;
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}
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$storeRemoved = $this->configModel->delete($cat, $key);
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return $cacheRemoved || $storeRemoved;
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}
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}
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