added installer
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289
author/project/system/models/core.php
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289
author/project/system/models/core.php
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<?php
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declare(strict_types=1);
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namespace ${REPO_OWNER}\${REPO_NAME}\models;
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// Framework for PHP
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use mirzaev\minimal\model;
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// Framework for ArangoDB
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use mirzaev\arangodb\connection as arangodb,
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mirzaev\arangodb\collection,
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mirzaev\arangodb\document;
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// Libraries for ArangoDB
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use ArangoDBClient\Document as _document,
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ArangoDBClient\DocumentHandler as _document_handler;
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// Built-in libraries
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use exception;
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/**
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* Core of models
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*
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* @package ${REPO_OWNER}\${REPO_NAME}\controllers
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* @author ${REPO_OWNER} < mail >
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*/
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class core extends model
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{
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/**
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* Postfix for name of models files
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*/
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final public const POSTFIX = '';
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/**
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* Path to the file with settings of connecting to the ArangoDB
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*/
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final public const ARANGODB = '../settings/arangodb.php';
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/**
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* Instance of the session of ArangoDB
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*/
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protected static arangodb $arangodb;
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/**
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* Name of the collection in ArangoDB
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*/
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public const COLLECTION = 'THIS_COLLECTION_SHOULD_NOT_EXIST_REPLACE_IT_IN_THE_MODEL';
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/**
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* Constructor of an instance
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*
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* @param bool $initialize Initialize a model?
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* @param ?arangodb $arangodb Instance of a session of ArangoDB
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*
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* @return void
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*/
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public function __construct(bool $initialize = true, ?arangodb $arangodb = null)
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{
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// For the extends system
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parent::__construct($initialize);
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if ($initialize) {
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// Initializing is requested
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if (isset($arangodb)) {
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// Recieved an instance of a session of ArangoDB
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// Write an instance of a session of ArangoDB to the property
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$this->__set('arangodb', $arangodb);
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} else {
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// Not recieved an instance of a session of ArangoDB
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// Initializing of an instance of a session of ArangoDB
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$this->__get('arangodb');
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}
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}
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}
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/**
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* Read from ArangoDB
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*
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* @param string $filter Expression for filtering (AQL)
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* @param string $sort Expression for sorting (AQL)
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* @param int $amount Amount of documents for collect
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* @param int $page Page
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* @param string $return Expression describing the parameters to return (AQL)
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* @param array &$errors The registry on errors
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*
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* @return _document|array|null An array of instances of documents from ArangoDB, if they are found
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*/
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public static function read(
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string $filter = '',
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string $sort = 'd.created DESC, d._key DESC',
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int $amount = 1,
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int $page = 1,
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string $return = 'd',
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array &$errors = []
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): _document|array|null {
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try {
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if (collection::init(static::$arangodb->session, static::COLLECTION)) {
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// Initialized the collection
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// Read from ArangoDB and exit (success)
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return collection::search(
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static::$arangodb->session,
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sprintf(
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<<<'AQL'
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FOR d IN %s
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%s
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%s
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LIMIT %d, %d
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RETURN %s
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AQL,
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static::COLLECTION,
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empty($filter) ? '' : "FILTER $filter",
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empty($sort) ? '' : "SORT $sort",
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--$page <= 0 ? 0 : $amount * $page,
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$amount,
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$return
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)
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);
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} else throw new exception('Failed to initialize the collection');
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} catch (exception $e) {
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// Write to the registry of errors
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$errors[] = [
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'text' => $e->getMessage(),
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'file' => $e->getFile(),
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'line' => $e->getLine(),
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'stack' => $e->getTrace()
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];
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}
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// Exit (fail)
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return null;
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}
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/**
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* Delete from ArangoDB
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*
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* @param _document $instance Instance of the document from ArangoDB
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* @param array &$errors The registry on errors
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*
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* @return bool Deleted from ArangoDB without errors?
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*/
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public static function delete(_document $instance, array &$errors = []): bool
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{
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try {
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if (collection::init(static::$arangodb->session, static::COLLECTION)) {
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// Initialized the collection
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// Delete from ArangoDB and exit (success)
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return (new _document_handler(static::$arangodb->session))->remove($instance);
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} else throw new exception('Failed to initialize the collection');
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} catch (exception $e) {
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// Write to the registry of errors
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$errors[] = [
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'text' => $e->getMessage(),
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'file' => $e->getFile(),
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'line' => $e->getLine(),
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'stack' => $e->getTrace()
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];
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}
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// Exit (fail)
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return false;
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}
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/**
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* Update in ArangoDB
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*
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* @param _document $instance Instance of the document from ArangoDB
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*
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* @return bool Writed to ArangoDB without errors?
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*/
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public static function update(_document $instance): bool
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{
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// Update in ArangoDB and exit (success)
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return document::update(static::$arangodb->session, $instance);
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}
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/**
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* Write
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*
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* @param string $name Name of the property
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* @param mixed $value Value of the property
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*
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* @return void
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*/
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public function __set(string $name, mixed $value = null): void
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{
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match ($name) {
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'arangodb' => (function () use ($value) {
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if ($this->__isset('arangodb')) {
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// Is alredy initialized
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// Exit (fail)
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throw new exception('Forbidden to reinitialize the session of ArangoDB ($this::$arangodb)', 500);
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} else {
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// Is not already initialized
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if ($value instanceof arangodb) {
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// Recieved an appropriate value
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// Write the property and exit (success)
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self::$arangodb = $value;
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} else {
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// Recieved an inappropriate value
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// Exit (fail)
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throw new exception('Session of ArangoDB ($this::$arangodb) is need to be mirzaev\arangodb\connection', 500);
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}
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}
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})(),
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default => parent::__set($name, $value)
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};
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}
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/**
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* Read
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*
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* @param string $name Name of the property
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*
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* @return mixed Content of the property, if they are found
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*/
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public function __get(string $name): mixed
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{
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return match ($name) {
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'arangodb' => (function () {
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try {
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if (!$this->__isset('arangodb')) {
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// Is not initialized
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// Initializing of a default value from settings
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$this->__set('arangodb', new arangodb(require static::ARANGODB));
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}
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// Exit (success)
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return self::$arangodb;
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} catch (exception) {
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// Exit (fail)
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return null;
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}
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})(),
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default => parent::__get($name)
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};
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}
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/**
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* Delete
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*
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* @param string $name Name of the property
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*
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* @return void
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*/
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public function __unset(string $name): void
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{
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// Deleting a property and exit (success)
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parent::__unset($name);
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}
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/**
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* Check of initialization
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*
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* @param string $name Name of the property
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*
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* @return bool The property is initialized?
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*/
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public function __isset(string $name): bool
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{
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// Check of initialization of the property and exit (success)
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return parent::__isset($name);
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}
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/**
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* Call a static property or method
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*
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* @param string $name Name of the property or the method
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* @param array $arguments Arguments for the method
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*/
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public static function __callStatic(string $name, array $arguments): mixed
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{
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match ($name) {
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'arangodb' => (new static)->__get('arangodb'),
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default => throw new exception("Not found: $name", 500)
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};
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}
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}
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