template is created

${REPO_OWNER}/${REPO_NAME}/system/controllers/core.php

@@ -0,0 +1,121 @@
+<?php
+
+declare(strict_types=1);
+
+namespace {$REPO_OWNER}\{$REPO_NAME}\controllers;
+
+// Files of the project
+use {$REPO_OWNER}\{$REPO_NAME}\views\manager,
+	{$REPO_OWNER}\{$REPO_NAME}\models\core as models,
+	{$REPO_OWNER}\{$REPO_NAME}\models\account_model as account,
+	{$REPO_OWNER}\{$REPO_NAME}\models\session_model as session;
+
+// Library for ArangoDB
+use ArangoDBClient\Document as _document;
+
+// Framework for PHP
+use mirzaev\minimal\controller;
+
+/**
+ * Core of controllers
+ *
+ * @package {$REPO_OWNER}\{$REPO_NAME}\controllers
+ * @author {$REPO_OWNER} < mail >
+ */
+class core extends controller
+{
+	/**
+	 * Postfix for name of controllers files
+	 */
+	final public const POSTFIX = '';
+
+	/**
+	 * Instance of a session
+	 */
+	protected readonly session $session;
+
+	/**
+	 * Instance of an account
+	 */
+	protected readonly ?account $account;
+
+	/**
+	 * Registry of errors
+	 */
+	protected array $errors = [
+		'session' => [],
+		'account' => []
+	];
+
+	/**
+	 * Constructor of an instance
+	 *
+	 * @param bool $initialize Initialize a controller?
+	 *
+	 * @return void
+	 */
+	public function __construct(bool $initialize = true)
+	{
+		// Blocking requests from CloudFlare (better to write this blocking into nginx config file)
+		if ($_SERVER['HTTP_USER_AGENT'] === 'nginx-ssl early hints') return;
+
+		// For the extends system
+		parent::__construct($initialize);
+
+		if ($initialize) {
+			// Initializing is requested
+
+			// Initializing of models core (connect to ArangoDB...)
+			new models();
+
+			// Initializing of the date until which the session will be active
+			$expires = strtotime('+1 week');
+
+			// Initializing of default value of hash of the session
+			$_COOKIE["session"] ??= null;
+
+			// Initializing of session
+			$this->session = new session($_COOKIE["session"], $expires, $this->errors['session']);
+
+			// Handle a problems with initializing a session
+			if (!empty($this->errors['session'])) die;
+			else if ($_COOKIE["session"] !== $this->session->hash) {
+				// Hash of the session is changed (implies that the session has expired and recreated)
+
+				// Write a new hash of the session to cookies
+				setcookie(
+					'session',
+					$this->session->hash,
+					[
+						'expires' => $expires,
+						'path' => '/',
+						'secure' => true,
+						'httponly' => true,
+						'samesite' => 'strict'
+					]
+				);
+			}
+
+			// Initializing of preprocessor of views
+			$this->view = new templater($this->session);
+		}
+	}
+
+	/**
+	 * Check of initialization
+	 *
+	 * Checks whether a property is initialized in a document instance from ArangoDB
+	 *
+	 * @param string $name Name of the property from ArangoDB
+	 *
+	 * @return bool The property is initialized?
+	 */
+	public function __isset(string $name): bool
+	{
+		// Check of initialization of the property and exit (success)
+		return match ($name) {
+			default => isset($this->{$name})
+		};
+	}
+
+}

${REPO_OWNER}/${REPO_NAME}/system/controllers/index.php

@@ -0,0 +1,32 @@
+<?php
+
+declare(strict_types=1);
+
+namespace {$REPO_OWNER}\{$REPO_NAME}\controllers;
+
+// Files of the project
+use {$REPO_OWNER}\{$REPO_NAME}\controllers\core;
+
+/**
+ * Index controller
+ *
+ * @package {$REPO_OWNER}\{$REPO_NAME}\controllers
+ * @author {$REPO_OWNER} < mail >
+ */
+final class index extends core
+{
+	/**
+	 * Render the main page
+	 *
+	 * @param array $parameters Parameters of the request (POST + GET)
+	 */
+	public function index(array $parameters = []): ?string
+	{
+		// Exit (success)
+		if ($_SERVER['REQUEST_METHOD'] === 'GET') return $this->view->render(DIRECTORY_SEPARATOR . 'index.html');
+		else if ($_SERVER['REQUEST_METHOD'] === 'POST') return $main;
+
+		// Exit (fail)
+		return null;
+	}
+}

${REPO_OWNER}/${REPO_NAME}/system/models/core.php

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

${REPO_OWNER}/${REPO_NAME}/system/models/session.php

@@ -0,0 +1,276 @@
+<?php
+
+declare(strict_types=1);
+
+namespace {$REPO_OWNER}\{$REPO_NAME}\models;
+
+// Files of the project
+use mirzaev\ebala\models\account,
+	mirzaev\ebala\models\traits\status;
+
+// Framework for ArangoDB
+use mirzaev\arangodb\collection,
+	mirzaev\arangodb\document;
+
+// Library для ArangoDB
+use ArangoDBClient\Document as _document;
+
+// Built-in libraries
+use exception;
+
+/**
+ * Model of session
+ *
+ * @package {$REPO_OWNER}\{$REPO_NAME}\controllers
+ * @author {$REPO_OWNER} < mail >
+ */
+final class session extends core
+{
+	/**
+	 * Name of the collection in ArangoDB
+	 */
+	final public const COLLECTION = 'session';
+
+	/**
+	 * An instance of the ArangoDB document from ArangoDB
+	 */
+	protected readonly _document $document;
+
+	/**
+	 * Constructor of an instance
+	 *
+	 * Initialize of a session and write them to the $this->document property
+	 *
+	 * @param ?string $hash Hash of the session in ArangoDB
+	 * @param ?int $expires Date of expiring of the session (used for creating a new session)
+	 * @param array &$errors Registry of errors
+	 *
+	 * @return static instance of the ArangoDB document of session
+	 */
+	public function __construct(?string $hash = null, ?int $expires = null, array &$errors = [])
+	{
+		try {
+			if (collection::init(static::$arangodb->session, self::COLLECTION)) {
+				// Initialized the collection
+
+				if ($this->search($hash, $errors)) {
+					// Found an instance of the ArangoDB document of session and received a session hash
+				} else {
+					// Not found an instance of the ArangoDB document of session
+
+					// Initializing a new session and write they into ArangoDB
+					$_id = document::write($this::$arangodb->session, self::COLLECTION, [
+						'active' => true,
+						'expires' => $expires ?? time() + 604800,
+						'ip' => $_SERVER['REMOTE_ADDR'],
+						'x-forwarded-for' => $_SERVER['HTTP_X_FORWARDED_FOR'] ?? null,
+						'referer' => $_SERVER['HTTP_REFERER'] ?? null,
+						'useragent' => $_SERVER['HTTP_USER_AGENT'] ?? null
+					]);
+
+					if ($session = collection::search($this::$arangodb->session, sprintf(
+						<<<AQL
+							FOR d IN %s
+								FILTER d._id == '%s' && d.expires > %d && d.active == true
+								RETURN d
+						AQL,
+						self::COLLECTION,
+						$_id,
+						time()
+					))) {
+						// Found an instance of just created new session
+
+						// Generate a hash and write into an instance of the ArangoDB document of session property
+						$session->hash = sodium_bin2hex(sodium_crypto_generichash($_id));
+
+						if (document::update($this::$arangodb->session, $session)) {
+							// Is writed update
+
+							// Write instance of the ArangoDB document of session into property and exit (success)
+							$this->document = $session;
+						} else throw new exception('Could not write the session data');
+					} else throw new exception('Could not create or find just created session');
+				}
+			} else throw new exception('Could not initialize the collection');
+		} catch (exception $e) {
+			// Write to the registry of errors
+			$errors[] = [
+				'text' => $e->getMessage(),
+				'file' => $e->getFile(),
+				'line' => $e->getLine(),
+				'stack' => $e->getTrace()
+			];
+		}
+	}
+
+	/**
+	 * Search
+	 *
+	 * Search for the session in ArangoDB by hash and write they into $this->document property if they are found
+	 *
+	 * @param ?string $hash Hash of the session in ArangoDB
+	 * @param array &$errors Registry of errors
+	 *
+	 * @return static instance of the ArangoDB document of session
+	 */
+	public function search(?string $hash, array &$errors = []): bool
+	{
+		try {
+			if (isset($hash)) {
+				// Recieved a hash
+
+				// Search the session data in ArangoDB
+				$_document = $session = collection::search($this::$arangodb->session, sprintf(
+					<<<AQL
+					FOR d IN %s
+						FILTER d.hash == '%s' && d.expires > %d && d.active == true
+						RETURN d
+				AQL,
+					self::COLLECTION,
+					$hash,
+					time()
+				));
+
+				if ($_document instanceof _document) {
+					// An instance of the ArangoDB document of session is found
+
+					// Write the session data to the property
+					$this->document = $_document;
+
+					// Exit (success)
+					return true;
+				}
+			}
+		} catch (exception $e) {
+			// Write to the registry of errors
+			$errors[] = [
+				'text' => $e->getMessage(),
+				'file' => $e->getFile(),
+				'line' => $e->getLine(),
+				'stack' => $e->getTrace()
+			];
+		}
+
+		// Exit (fail)
+		return false;
+	}
+
+	/**
+	 * 	Write to buffer of the session
+	 *
+	 * @param array $data Data for merging
+	 * @param array &$errors Registry of errors
+	 *
+	 * @return bool Is data has written into the session buffer?
+	 */
+	public function write(array $data, array &$errors = []): bool
+	{
+		try {
+			if (collection::init($this::$arangodb->session, self::COLLECTION)) {
+				// Initialized the collection
+
+				// An instance of the ArangoDB document of session is initialized?
+				if (!isset($this->document)) throw new exception('An instance of the ArangoDB document of session is not initialized');
+
+				// Write data into buffwer of an instance of the ArangoDB document of session
+				$this->document->buffer = array_replace_recursive(
+					$this->document->buffer ?? [],
+					[$_SERVER['INTERFACE'] => array_replace_recursive($this->document->buffer[$_SERVER['INTERFACE']] ?? [], $data)]
+				);
+
+				// Write to ArangoDB and exit (success)
+				return document::update($this::$arangodb->session, $this->document) ? true : throw new exception('Не удалось записать данные в буфер сессии');
+			} else throw new exception('Could not initialize the collection');
+		} catch (exception $e) {
+			// Write to the registry of errors
+			$errors[] = [
+				'text' => $e->getMessage(),
+				'file' => $e->getFile(),
+				'line' => $e->getLine(),
+				'stack' => $e->getTrace()
+			];
+		}
+
+		return false;
+	}
+
+	/**
+	 * Write
+	 *
+	 * Write a property into an instance of the ArangoDB document
+	 *
+	 * @param string $name Name of the property
+	 * @param mixed $value Content of the property
+	 *
+	 * @return void
+	 */
+	public function __set(string $name, mixed $value = null): void
+	{
+		// Write to the property into an instance of the ArangoDB document and exit (success)
+		$this->document->{$name} = $value;
+	}
+
+	/**
+	 * Read
+	 *
+	 * Read a property from an instance of the ArangoDB docuemnt
+	 * 
+	 * @param string $name Name of the property
+	 *
+	 * @return mixed Content of the property
+	 */
+	public function __get(string $name): mixed
+	{
+		// Read a property from an instance of the ArangoDB document and exit (success)
+		return match ($name) {
+			'arangodb' => $this::$arangodb,
+			default => $this->document->{$name}
+		};
+	}
+
+	/**
+	 * Delete
+	 *
+	 * Deinitialize the property in an instance of the ArangoDB document
+	 *
+	 * @param string $name Name of the property
+	 *
+	 * @return void
+	 */
+	public function __unset(string $name): void
+	{
+		// Delete the property in an instance of the ArangoDB document and exit (success)
+		unset($this->document->{$name});
+	}
+
+	/**
+	 * Check of initialization
+	 *
+	 * Check of initialization of the property into an instance of the ArangoDB document
+	 *
+	 * @param string $name Name of the property
+	 *
+	 * @return bool The property is initialized?
+	 */
+	public function __isset(string $name): bool
+	{
+		// Check of initializatio nof the property and exit (success)
+		return isset($this->document->{$name});
+	}
+
+	/**
+	 * Execute a method
+	 *
+	 * Execute a method from an instance of the ArangoDB document
+	 *
+	 * @param string $name Name of the method
+	 * @param array $arguments Arguments for the method
+	 *
+	 * @return mixed Result of execution of the method
+	 */
+	public function __call(string $name, array $arguments = []): mixed
+	{
+		// Execute the method and exit (success)
+		if (method_exists($this->document, $name)) return $this->document->{$name}($arguments);
+	}
+}

${REPO_OWNER}/${REPO_NAME}/system/models/traits/status.php

@@ -0,0 +1,45 @@
+<?php
+
+declare(strict_types=1);
+
+namespace {$REPO_OWNER}\{$REPO_NAME}\models\traits;
+
+// Built-in libraries
+use exception;
+
+/**
+ * Trait fo initialization of a status
+ *
+ * @package {$REPO_OWNER}\{$REPO_NAME}\models\traits
+ *
+ * @author {$REPO_OWNER} < mail >
+ */
+trait status
+{
+	/**
+	 * Initialize of a status
+	 *
+	 * @param array &$errors Registry of errors
+	 *
+	 * @return ?bool Status, if they are found
+	 */
+	public function status(array &$errors = []): ?bool
+	{
+		try {
+			// Read from ArangoDB and exit (success)
+			return $this->document->active ?? false;
+		} catch (exception $e) {
+			// Write to the registry of errors
+			$errors[] = [
+				'text' => $e->getMessage(),
+				'file' => $e->getFile(),
+				'line' => $e->getLine(),
+				'stack' => $e->getTrace()
+			];
+		}
+
+		// Exit (fail)
+		return null;
+	}
+}
+

${REPO_OWNER}/${REPO_NAME}/system/public/css/themes/default/main.css

@@ -0,0 +1,47 @@
+@charset "UTF-8";
+
+* {
+	text-decoration: none;
+	outline: none;
+	border: none;
+	/* font-family: , system-ui, sans-serif; */
+	font-family: "dejavu";
+	transition: 0.1s ease-out;
+}
+
+body {
+	margin: 0;
+	min-height: 100vh;
+	padding: 0;
+	display: flex;
+	flex-direction: column;
+	background-color: var(--background, #fafafa);
+}
+
+
+aside {
+}
+
+header {
+}
+
+main {
+	display: flex;
+	flex-direction: column;
+	align-items: center;
+	gap: 10px;
+	transition: 0s;
+}
+
+footer {
+}
+
+.unselectable {
+	-webkit-touch-callout: none;
+	-webkit-user-select: none;
+	-khtml-user-select: none;
+	-moz-user-select: none;
+	-ms-user-select: none;
+	user-select: none;
+}
+

${REPO_OWNER}/${REPO_NAME}/system/public/index.php

@@ -0,0 +1,32 @@
+<?php
+
+declare(strict_types=1);
+
+namespace {$REPO_OWNER}\{$REPO_NAME};
+
+use mirzaev\minimal\core;
+use mirzaev\minimal\router;
+
+/* ini_set('error_reporting', E_ALL);
+ini_set('display_errors', 1);
+ini_set('display_startup_errors', 1); */
+
+define('VIEWS', realpath('..' . DIRECTORY_SEPARATOR . 'views'));
+define('STORAGE', realpath('..' . DIRECTORY_SEPARATOR . 'storage'));
+define('INDEX', __DIR__);
+
+// Автозагрузка
+require __DIR__ . DIRECTORY_SEPARATOR . '..' . DIRECTORY_SEPARATOR . '..' . DIRECTORY_SEPARATOR . '..' . DIRECTORY_SEPARATOR . '..' . DIRECTORY_SEPARATOR . 'vendor' . DIRECTORY_SEPARATOR . 'autoload.php';
+
+// Инициализация маршрутизатора
+$router = new router;
+
+// Запись маршрутов
+$router->write('/', 'index', 'index');
+
+// Инициализация ядра
+$core = new core(namespace: __NAMESPACE__, router: $router);
+
+// Обработка запроса
+echo $core->start();
+

${REPO_OWNER}/${REPO_NAME}/system/settings/.gitignore

@@ -0,0 +1,3 @@
+*
+!.gitignore
+!*.sample

${REPO_OWNER}/${REPO_NAME}/system/settings/arangodb.php.sample

@@ -0,0 +1,8 @@
+<?php
+
+return [
+    'endpoint' => 'unix:///var/run/arangodb3/arango.sock',
+    'database' => '{$REPO_NAME}',
+    'name' => '{$REPO_NAME}',
+    'password' => ''
+];

${REPO_OWNER}/${REPO_NAME}/system/views/templater.php

@@ -0,0 +1,202 @@
+<?php
+
+declare(strict_types=1);
+
+namespace {$REPO_OWNER}\{$REPO_NAME}\views;
+
+// Files of the project
+use {$REPO_OWNER}\{$REPO_NAME}\models\session,
+	{$REPO_OWNER}\{$REPO_NAME}\models\account;
+
+// Framework for PHP
+use mirzaev\minimal\controller;
+
+// Templater of views
+use Twig\Loader\FilesystemLoader,
+	Twig\Environment as twig,
+	Twig\Extra\Intl\IntlExtension as intl,
+	Twig\TwigFilter;
+
+
+// Built-in libraries
+use ArrayAccess;
+
+/**
+ * Templater core
+ *
+ * @package {$REPO_OWNER}\{$REPO_NAME}\views
+ * @author {$REPO_OWNER} < mail >
+ */
+final class templater extends controller implements ArrayAccess
+{
+	/**
+	 * Registry of global variables of view
+	 */
+	public array $variables = [];
+
+	/**
+	 * Instance of twig templater 
+	 */
+	readonly public twig $twig;
+
+	/**
+	 * Constructor of an instance
+	 *
+	 * @param ?session $session Instance of the session of ArangoDB
+	 *
+	 * @return void
+	 */
+	public function __construct(?session &$session = null): void
+	{
+		// Initializing of an instance of twig
+		$this->twig = new twig(new FilesystemLoader(VIEWS));
+
+		// Initializing of global variables
+		$this->twig->addGlobal('theme', 'default');
+		$this->twig->addGlobal('server', $_SERVER);
+		$this->twig->addGlobal('cookies', $_COOKIE);
+		if (!empty($session->status())) {
+			$this->twig->addGlobal('session', $session);
+		}
+
+		// Initializing of twig extensions
+		$this->twig->addExtension(new intl());
+	}
+
+	/**
+	 * Render a HTML-document
+	 *
+	 * @param string $file Related path to a HTML-document
+	 * @param ?array $variables Registry of variables to push into registry of global variables
+	 *
+	 * @return ?string HTML-документ
+	 */
+	public function render(string $file, ?array $variables = null): ?string
+	{
+		// Generation and exit (success)
+		return $this->twig->render('themes' . DIRECTORY_SEPARATOR . $this->twig->getGlobal('theme') . DIRECTORY_SEPARATOR . $file, $variables + $this->variables);
+	}
+
+	/**
+	 * Write
+	 *
+	 * Write a variable into registry of global variables
+	 *
+	 * @param string $name Name of the variable
+	 * @param mixed $value Value of the variable
+	 *
+	 * @return void
+	 */
+	public function __set(string $name, mixed $value = null): void
+	{
+		// Write the variable and exit (success)
+		$this->variables[$name] = $value;
+	}
+
+	/**
+	 * Read
+	 *
+	 * Read a variable from registry of global variables
+	 *
+	 * @param string $name Name of the variable
+	 *
+	 * @return mixed Content of the variable, if they are found
+	 */
+	public function __get(string $name): mixed
+	{
+    // Read the variable and exit (success)
+		return $this->variables[$name];
+	}
+
+	/**
+	 * Delete
+	 *
+	 * Delete a variable from the registry of global variables
+	 *
+	 * @param string $name Name of the variable 
+	 *
+	 * @return void
+	 */
+	public function __unset(string $name): void
+	{
+	 // Delete the variable and exit (success)
+		unset($this->variables[$name]);
+	}
+
+	/**
+	 * Check of initialization
+	 *
+	 * Check of initialization in registry of global variables
+	 *
+	 * @param string $name Name of the variable
+	 *
+	 * @return bool The variable is initialized?
+	 */
+	public function __isset(string $name): bool
+	{
+		// Check of initialization of the variable and exit (success)
+		return isset($this->variables[$name]);
+	}
+
+	/**
+	 * Write
+	 *
+	 * Write a variable into registry of global variables
+	 *
+	 * @param mixed $name Name of an offset of the variable
+	 * @param mixed $value Value of the variable
+	 *
+	 * @return void
+	 */
+	public function offsetSet(mixed $name, mixed $value): void
+	{
+		// Write the variable and exit (success)
+		$this->variables[$name] = $value;
+	}
+
+	/**
+	 * Read
+	 *
+	 * Read a variable from registry of global variables
+	 *
+	 * @param mixed $name Name of the variable
+	 *
+	 * @return mixed Content of the variable, if they are found
+	 */
+	public function offsetGet(mixed $name): mixed
+	{
+    // Read the variable and exit (success)
+		return $this->variables[$name];
+	}
+
+	/**
+	 * Delete
+	 *
+	 * Delete a variable from the registry of global variables
+	 *
+	 * @param mixed $name Name of the variable 
+	 *
+	 * @return void
+	 */
+	public function offsetUnset(mixed $name): void
+	{
+	 // Delete the variable and exit (success)
+		unset($this->variables[$name]);
+	}
+
+	/**
+	 * Check of initialization
+	 *
+	 * Check of initialization in registry of global variables
+	 *
+	 * @param mixed $name Name of the variable
+	 *
+	 * @return bool The variable is initialized?
+	 */
+	public function offsetExists(mixed $name): bool
+	{
+		// Check of initialization of the variable and exit (success)
+		return isset($this->variables[$name]);
+	}
+}
+

${REPO_OWNER}/${REPO_NAME}/system/views/themes/default/core.html

@@ -0,0 +1,31 @@
+<!DOCTYPE html>
+
+<html lang="ru">
+
+<head>
+	{% use 'head.html' with title as head_title, meta as head_meta, css as head_css %}
+
+	{% block title %}
+	{{ block('head_title') }}
+	{% endblock %}
+
+	{% block meta %}
+	{{ block('head_meta') }}
+	{% endblock %}
+
+	{{ block('head_css') }}
+	{% block css %}
+	{% endblock %}
+</head>
+
+<body>
+	{% block body %}
+	{% endblock %}
+
+	{% include 'js.html' %}
+	{% block js %}
+	{% endblock %}
+</body>
+
+</html>
+

${REPO_OWNER}/${REPO_NAME}/system/views/themes/default/footer.html

@@ -0,0 +1,10 @@
+{% block css %}
+{% endblock %}
+
+{% block body %}
+<footer>
+</footer>
+{% endblock %}
+
+{% block js %}
+{% endblock %}

${REPO_OWNER}/${REPO_NAME}/system/views/themes/default/head.html

@@ -0,0 +1,15 @@
+{% block title %}
+<title>{% if head.title != empty %}{{head.title}}{% else %}${REPO_NAME} by ${REPO_OWNER}{% endif %}</title>
+{% endblock %}
+
+{% block meta %}
+<meta charset="utf-8">
+<meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">
+{% for meta in head.metas %}
+<meta {% for name, value in meta.attributes %}{{name}}="{{value}}" {% endfor %}>
+{% endfor %}
+{% endblock %}
+
+{% block css %}
+<link type="text/css" rel="stylesheet" href="/css/themes/default/main.css" />
+{% endblock %}

${REPO_OWNER}/${REPO_NAME}/system/views/themes/default/header.html

@@ -0,0 +1,10 @@
+{% block css %}
+{% endblock %}
+
+{% block body %}
+<header>
+</header>
+{% endblock %}
+
+{% block js %}
+{% endblock %}

${REPO_OWNER}/${REPO_NAME}/system/views/themes/default/index.html

@@ -0,0 +1,27 @@
+{% extends "core.html" %}
+
+{% use "core.html" with css as core_css, body as core, js as core_js %}
+{% use "header.html" with css as header_css, body as header, js as header_js %}
+{% use "footer.html" with css as footer_css, body as footer, js as footer_js %}
+
+{% block css %}
+{{ block('core_css') }}
+{{ block('header_css') }}
+{{ block('footer_css') }}
+{% endblock %}
+
+{% block body %}
+{{ block('header') }}
+<main>
+	{% block main %}
+	{{ main|raw }}
+	{% endblock %}
+</main>
+{{ block('footer') }}
+{% endblock %}
+
+{% block js %}
+{{ block('footer_js') }}
+{{ block('header_js') }}
+{{ block('core_js') }}
+{% endblock %}

${REPO_OWNER}/${REPO_NAME}/system/views/themes/default/js.html

@@ -0,0 +1,2 @@
+{% block js %}
+{% endblock %}

.gitignore

@@ -0,0 +1,4 @@
+!.gitignore
+composer.phar
+composer.lock
+vendor

LICENSE

@@ -0,0 +1,11 @@
+DO WHAT THE FUCK YOU WANT TO PUBLIC LICENSE
+Version 2, December 2004
+
+Copyright (C) 2004 Sam Hocevar <sam@hocevar.net>
+
+Everyone is permitted to copy and distribute verbatim or modified copies of this license document, and changing it is allowed as long as the name is changed.
+
+DO WHAT THE FUCK YOU WANT TO PUBLIC LICENSE
+TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION
+
+  0. You just DO WHAT THE FUCK YOU WANT TO.

README.md

@@ -0,0 +1,2 @@
+# ${REPO_NAME}
+${REPO_DESCRIPTION}

composer.json

@@ -0,0 +1,43 @@
+{
+	"name": "${REPO_OWNER}/${REPO_NAME}",
+	"description": "${REPO_DESCRIPTION}",
+	"readme": "README.md",
+	"keywords": [],
+	"type": "",
+	"homepage": "{$REPO_SSH_URL}",
+	"license": "WTFPL",
+	"authors": [
+		{
+			"name": "${REPO_OWNER}",
+			"email": "",
+			"homepage": "",
+			"role": "Programmer"
+		}
+	],
+	"support": {
+		"docs": "{$REPO_SSH_URL}/manual",
+		"issues": "{$REPO_SSH_URL}/issues"
+	},
+	"require": {
+		"php": "~8.3",
+		"ext-sodium": "~8.3",
+		"mirzaev/minimal": "^2.2.0",
+		"mirzaev/accounts": "~1.2.x-dev",
+		"mirzaev/arangodb": "^1.0.0",
+		"triagens/arangodb": "~3.9.x-dev",
+		"twig/twig": "^3.4"
+	},
+	"require-dev": {
+		"phpunit/phpunit": "~9.5"
+	},
+	"autoload": {
+		"psr-4": {
+			"{$REPO_OWNER}\\{$REPO_NAME}\\": "{$REPO_OWNER}/{$REPO_NAME}/system"
+		}
+	},
+	"autoload-dev": {
+		"psr-4": {
+			"{$REPO_OWNER}\\{$REPO_NAME}\\tests\\": "{$REPO_OWNER}/{$REPO_NAME}/tests"
+		}
+	}
+}