Getting a static site out of Cockpit CMS

static.php

<?php
use Pug; // https://github.com/pug-php/pug
use Cockpit;

require_once __DIR__.'/vendor/autoload.php'; // Composer
require_once __DIR__.'/cockpit/bootstrap.php'; // https://github.com/COCOPi/cockpit
chdir(dirname(__FILE__)); // Keep this directory if called directly or from Cockpit 

//setlocale(LC_TIME, 'et_EE', 'et', 'EE', 'ET', 'Estonia');
//define('DATE_FORMAT', "%e. %B %G");

if (basename(__FILE__) == basename($_SERVER["SCRIPT_FILENAME"])) define ('INCLUDED', true);


// Cleanup
array_map('unlink', glob("public/uudised/*html*"));
array_map('unlink', glob("public/teenused/*html*"));
array_map('unlink', glob("public/*html*"));


// Sensible defaults
$default_params = [
	'site'=>[
		'base_url'=>'/'
	],
	'page'=>[
		'title'=>'Default',
		'title_slug'=>'default', // May be worth it to generate here?
		'description'=>'Default',
		'content'=>'Default'
	],
	'template'=>'page.pug',
	'filename'=>'page.html'
];
$default_params['site']['favicon'] = getFavicon('faviconData.json');


// Initialize
$export = configure($default_params);
$date = prettyDate([
	'et_EE',
	\IntlDateFormatter::LONG,
	\IntlDateFormatter::NONE,
	'Europe/Tallinn'
]);

// Pages
$pages = array_map(function($page) use ($date) { // Transform pages
	$page['date'] = $date($page['created']);
	return $page;
}, cockpit("collections")->find('Lehed')->toArray());

foreach($pages as $page) { // Export pages
	$params = [
		'page'=>$page,
		'filename'=>$page['name_slug'].'.html'
	];
	if ($page['name_slug'] == 'index') $params['template'] = 'index.pug';
	$export($params);
}

// Error pages
$export([
	'page'=>[
		'title'=>'Viga',
		'content'=>'Vabandust, tundub et meil on tekkinud mingi probleem.',
	],
	'filename'=>'500.html'
]);
$export([
	'page'=>[
		'title'=>'Lehte pole',
		'content'=>'Vabandust, tundub et seda lehte praegu pole.',
	],
	'filename'=>'404.html'
]);

// News
// $news = cockpit('collections')->find('news', ['sort'=> ['created'=>1]]);
$news = array_map(function($item) use ($date) { // Transform items
	$item['date'] = $date($item['created']);
	return $item;
}, cockpit("collections")->find('Uudised')->toArray());

foreach ($news as $item){ // Export items
	$export([
		'page'=>$item,
		'filename'=>'uudised/'.$item['title_slug'].'.html'
	]);
}

// News: index
$links = array_map(function($item) use ($date) { // Transform items
	$item['date'] = $date($item['created']);
	return $item;
}, cockpit("collections")->find('Meedialingid')->toArray());

$news = array_merge($news, $links);
$export([
	'page'=>[
		'title'=>'Uudised',
		'description'=>'SMITis juhtub',
	],
	'news'=>$news,
	'template'=>'news.pug',
	'filename'=>'uudised/index.html'
]);


// Static generator configurator
function configure($default_params) {
	$pug = new Pug();
	return function(...$params) use ($default_params, $pug) {
		$params = array_reduce($params, "array_merge", $default_params);
		if (defined('INCLUDED')) {
			echo '<pre>'.htmlspecialchars(print_r($params, true)).'</pre>';
		}
		
		$pug = new Pug();
		$html = $pug->render(__DIR__.'/source/views/'.$params['template'], $params);
		file_put_contents(__DIR__.'/public/'.$params['filename'], $html);
		file_put_contents(__DIR__.'/public/'.$params['filename'].'.gz', gzencode($html, 9)); // http://nginx.org/en/docs/http/ngx_http_gzip_static_module.html
	};
}

// Formatted date
function prettyDate($config){
	$formatter = datefmt_create(...$config);
	return function($timestamp) use ($formatter) {
		return datefmt_format($formatter, $timestamp);
	};
}

// Favicon html (http://realfavicongenerator.net/)
function getFavicon($filename){
	$favicon = json_decode(file_get_contents($filename), true);
	return str_replace(array("\r", "\n"), '', $favicon['favicon']['html_code']);
}