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Document.php
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Document.php
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<?php
/*
* This file is part of Flarum.
*
* For detailed copyright and license information, please view the
* LICENSE file that was distributed with this source code.
*/
namespace Flarum\Frontend;
use Illuminate\Contracts\Support\Renderable;
use Illuminate\Contracts\View\Factory;
use Illuminate\Contracts\View\View;
use Illuminate\Support\Arr;
/**
* A view which renders a HTML skeleton for Flarum's frontend app.
*/
class Document implements Renderable
{
/**
* The title of the document, displayed in the <title> tag.
*
* @var null|string
*/
public $title;
/**
* The language of the document, displayed as the value of the attribute `lang` in the <html> tag.
*
* @var null|string
*/
public $language;
/**
* The text direction of the document, displayed as the value of the attribute `dir` in the <html> tag.
*
* @var null|string
*/
public $direction;
/**
* The name of the frontend app view to display.
*
* @var string
*/
public $appView = 'flarum::frontend.app';
/**
* The name of the frontend layout view to display.
*
* @var string
*/
public $layoutView;
/**
* The name of the frontend content view to display.
*
* @var string
*/
public $contentView = 'flarum::frontend.content';
/**
* The SEO content of the page, displayed within the layout in <noscript> tags.
*
* @var string|Renderable
*/
public $content;
/**
* Other variables to preload into the Flarum JS.
*
* @var array
*/
public $payload = [];
/**
* An array of meta tags to append to the page's <head>.
*
* @var array
*/
public $meta = [];
/**
* The canonical URL for this page.
*
* This will signal to search engines what URL should be used for this
* content, if it can be found under multiple addresses. This is an
* important tool to tackle duplicate content.
*
* @var null|string
*/
public $canonicalUrl;
/**
* An array of strings to append to the page's <head>.
*
* @var array
*/
public $head = [];
/**
* An array of strings to prepend before the page's </body>.
*
* @var array
*/
public $foot = [];
/**
* An array of JavaScript URLs to load.
*
* @var array
*/
public $js = [];
/**
* An array of CSS URLs to load.
*
* @var array
*/
public $css = [];
/**
* @var Factory
*/
protected $view;
/**
* @var array
*/
protected $forumApiDocument;
/**
* @param Factory $view
* @param array $forumApiDocument
*/
public function __construct(Factory $view, array $forumApiDocument)
{
$this->view = $view;
$this->forumApiDocument = $forumApiDocument;
}
/**
* @return string
*/
public function render(): string
{
$this->view->share('forum', Arr::get($this->forumApiDocument, 'data.attributes'));
return $this->makeView()->render();
}
/**
* @return View
*/
protected function makeView(): View
{
return $this->view->make($this->appView)->with([
'title' => $this->makeTitle(),
'payload' => $this->payload,
'layout' => $this->makeLayout(),
'language' => $this->language,
'direction' => $this->direction,
'js' => $this->makeJs(),
'head' => $this->makeHead(),
'foot' => $this->makeFoot(),
]);
}
/**
* @return string
*/
protected function makeTitle(): string
{
return ($this->title ? $this->title.' - ' : '').Arr::get($this->forumApiDocument, 'data.attributes.title');
}
/**
* @return View
*/
protected function makeLayout(): View
{
if ($this->layoutView) {
return $this->view->make($this->layoutView)->with('content', $this->makeContent());
}
}
/**
* @return View
*/
protected function makeContent(): View
{
return $this->view->make($this->contentView)->with('content', $this->content);
}
/**
* @return string
*/
protected function makeHead(): string
{
$head = array_map(function ($url) {
return '<link rel="stylesheet" href="'.e($url).'">';
}, $this->css);
if ($this->canonicalUrl) {
$head[] = '<link rel="canonical" href="'.e($this->canonicalUrl).'">';
}
$head = array_merge($head, array_map(function ($content, $name) {
return '<meta name="'.e($name).'" content="'.e($content).'">';
}, $this->meta, array_keys($this->meta)));
return implode("\n", array_merge($head, $this->head));
}
/**
* @return string
*/
protected function makeJs(): string
{
return implode("\n", array_map(function ($url) {
return '<script src="'.e($url).'"></script>';
}, $this->js));
}
/**
* @return string
*/
protected function makeFoot(): string
{
return implode("\n", $this->foot);
}
/**
* @return array
*/
public function getForumApiDocument(): array
{
return $this->forumApiDocument;
}
/**
* @param array $forumApiDocument
*/
public function setForumApiDocument(array $forumApiDocument)
{
$this->forumApiDocument = $forumApiDocument;
}
}