daux.io/libs/daux_page.php

200 lines
7.1 KiB
PHP
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<?php
namespace Todaymade\Daux;
interface Page
{
function get_page_content();
function display();
}
class SimplePage implements Page
{
protected $title;
protected $content;
protected $html = null;
public function __construct($title, $content) {
$this->initialize_page($title, $content);
}
public function initialize_page($title, $content) {
$this->title = $title;
$this->content = $content;
}
public function display() {
header('Content-type: text/html; charset=utf-8');
echo $this->get_page_content();
}
public function get_page_content() {
if (is_null($this->html)) {
$this->html = $this->generate_page();
}
return $this->html;
}
private function generate_page() {
return $this->content;
}
}
class ErrorPage extends SimplePage
{
const NORMAL_ERROR_TYPE = 'NORMAL_ERROR';
const MISSING_PAGE_ERROR_TYPE = 'MISSING_PAGE_ERROR';
const FATAL_ERROR_TYPE = 'FATAL_ERROR';
private $params;
private $type;
private static $template;
public function __construct($title, $content, $params) {
parent::__construct($title, $content);
$this->params = $params;
$this->type = $params['error_type'];
}
public function display() {
http_response_code($this->type === static::MISSING_PAGE_ERROR_TYPE ? 404 : 500);
parent::display();
}
public function get_page_content() {
if ($this->type !== static::FATAL_ERROR_TYPE && is_null(static::$template)) {
include_once($this->params['theme']['error-template']);
static::$template = new Template();
}
if (is_null($this->html)) {
$this->html = $this->generate_page();
}
return $this->html;
}
public function generate_page() {
if ($this->type === static::FATAL_ERROR_TYPE) return $this->content;
$params = $this->params;
$page['title'] = $this->title;
$page['theme'] = $params['theme'];
$page['content'] = $this->content;
$page['google_analytics'] = $params['google_analytics'];
$page['piwik_analytics'] = $params['piwik_analytics'];
return static::$template->get_content($page, $params);
}
}
class MarkdownPage extends SimplePage
{
private $filename;
private $params;
private $language;
private $mtime;
private $homepage;
private $breadcrumb_trail;
private static $template;
public function __construct() {
}
// For Future Expansion
public static function fromFile($file, $params) {
$instance = new self();
$instance->initialize_from_file($file, $params);
return $instance;
}
private function initialize_from_file($file, $params) {
$this->title = $file->title;
$this->filename = $file->name;
$this->path = $file->local_path;
$this->mtime = $file->last_modified;
$this->params = $params;
if ($this->title === 'index') {
$this->homepage = ($this->filename === '_index');
$minimum_parent_dir_size = ($params['multilanguage']) ? 2 : 1;
if (count($file->parents) >= $minimum_parent_dir_size) {
$parent = end($file->parents);
$this->title = $parent->title;
} else $this->title = $params['title'];
} else {
$this->homepage = false;
}
if ($params['breadcrumbs'])
$this->breadcrumb_trail = $this->build_breadcrumb_trail($file->parents, $params['multilanguage']);
$this->language = '';
if ($params['multilanguage'] && !empty($file->parents)) {
reset($file->parents);
$language_dir = current($file->parents);
$this->language = $language_dir->name;
}
if (is_null(static::$template)) {
include_once($params['theme']['template']);
static::$template = new Template();
}
}
private function build_breadcrumb_trail($parents, $multilanguage) {
if ($multilanguage && !empty($parents)) $parents = array_splice($parents, 1);
$breadcrumb_trail = array();
if (!empty($parents)) {
foreach ($parents as $node) {
$breadcrumb_trail[$node->title] = $node->get_url();
}
}
return $breadcrumb_trail;
}
public function get_page_content() {
if (is_null($this->html)) {
$this->content = file_get_contents($this->path);
$this->html = $this->generate_page();
}
return $this->html;
}
private function generate_page() {
$params = $this->params;
$Parsedown = new \Parsedown();
if ($params['request'] === $params['index_key']) {
if ($params['multilanguage']) {
foreach ($params['languages'] as $key => $name) {
$entry_page[utf8_encode($name)] = utf8_encode($params['base_page'] . $params['entry_page'][$key]->get_url());
}
} else $entry_page['View Documentation'] = utf8_encode($params['base_page'] . $params['entry_page']->uri);
} else if ($params['file_uri'] === 'index')
$entry_page[utf8_encode($params['entry_page']->title)] = utf8_encode($params['base_page'].
$params['entry_page']->get_url());
$page['entry_page'] = (isset($entry_page)) ? $entry_page : null;
$page['homepage'] = $this->homepage;
$page['title'] = $this->title;
$page['tagline'] = $params['tagline'];
$page['author'] = $params['author'];
$page['filename'] = $this->filename;
if ($page['breadcrumbs'] = $params['breadcrumbs']) {
$page['breadcrumb_trail'] = $this->breadcrumb_trail;
$page['breadcrumb_separator'] = $params['breadcrumb_separator'];
}
$page['language'] = $this->language;
$page['path'] = $this->path;
$page['request'] = utf8_encode($params['request']);
$page['theme'] = $params['theme'];
$page['modified_time'] = filemtime($this->path);
$page['markdown'] = $this->content;
$page['content'] = $Parsedown->text($this->content);
$page['file_editor'] = $params['file_editor'];
$page['google_analytics'] = $params['google_analytics'];
$page['piwik_analytics'] = $params['piwik_analytics'];
return static::$template->get_content($page, $params);
}
}
?>