Files
2022-11-30 17:27:28 +01:00

536 lines
18 KiB
PHP

<?php
namespace Grav\Plugin\Aura;
use Grav\Common\Flex\Types\Pages\PageObject;
use Grav\Common\Grav;
class Aura
{
private $org;
private $website;
public $webpage;
private $person;
private $grav;
private $otherPresence = [
'facebook-url',
'instagram-url',
'linkedin-url',
'pinterest-url',
'youtube-url',
'wikipedia-url',
'website-url',
];
/**
* Initializes Aura variables for the page
*
* @param PageObject $page
*/
public function __construct($page)
{
$this->grav = $cache = Grav::instance();
$this->setOrg();
$this->setWebsite();
$this->setWebPage($page);
$this->setAuthor($page);
}
public function generateOpenGraphMeta()
{
$data = [
'og:url' => $this->webpage->url,
'og:type' => $this->webpage->type,
'og:title' => $this->webpage->title,
];
if ($this->webpage->description) {
$data['og:description'] = $this->webpage->description;
}
if ($this->webpage->image) {
$data['og:image'] = $this->webpage->image->url;
$data['og:image:type'] = $this->webpage->image->type;
$data['og:image:width'] = $this->webpage->image->width;
$data['og:image:height'] = $this->webpage->image->height;
}
if ($this->grav['config']->get('plugins.aura.org-facebook-appid')) {
$data['fb:app_id'] = $this->grav['config']->get('plugins.aura.org-facebook-appid');
}
if ($this->person) {
$data['og:author'] = $this->person->name;
} else {
$data['og:author'] = $this->org->name;
}
foreach ($data as $property => $content) {
$this->webpage->metadata[$property] = [
'property' => $property,
'content' => $content,
];
}
}
public function generateTwitterMeta()
{
$data = [
'twitter:card' => 'summary_large_image',
'twitter:title' => $this->webpage->title,
];
if ($this->webpage->description) {
$data['twitter:description'] = $this->webpage->description;
}
if ($this->grav['config']->get('plugins.aura.org-twitter-user')) {
$data['twitter:site'] = '@' . $this->grav['config']->get('plugins.aura.org-twitter-user');
}
if ($this->person && $this->person->twitterUser) {
$data['twitter:creator'] = '@' . $this->person->twitterUser;
} else {
if ($this->grav['config']->get('plugins.aura.org-twitter-user')) {
$data['twitter:creator'] = '@' . $this->grav['config']->get('plugins.aura.org-twitter-user');
}
}
if ($this->webpage->image) {
$data['twitter:image'] = $this->webpage->image->url;
}
foreach ($data as $name => $content) {
$this->webpage->metadata[$name] = [
'name' => $name,
'content' => $content,
];
}
}
public function generateLinkedInMeta()
{
$data = [
'article:published_time' => $this->webpage->datePublished,
'article:modified_time' => $this->webpage->dateModified,
];
if ($this->person) {
$data['article:author'] = $this->person->name;
} else {
$data['article:author'] = $this->org->name;
}
foreach ($data as $property => $content) {
$this->webpage->metadata[$property] = [
'property' => $property,
'content' => $content,
];
}
}
public function generateStructuredData()
{
$organization = [
'@type' => 'Organization',
'@id' => $this->org->id,
'name' => $this->org->name,
'url' => $this->org->url,
];
$website = [
'@type' => 'WebSite',
'@id' => $this->website->id,
'url' => $this->website->url,
'name' => $this->website->name,
'publisher' => [
'@id' => $this->org->id,
],
];
$webpage = [
'@type' => 'WebPage',
'@id' => $this->webpage->id,
'url' => $this->webpage->url,
'inLanguage' => $this->webpage->language,
'name' => $this->webpage->title,
'isPartOf' => [
'@id' => $this->website->id,
],
'datePublished' => $this->webpage->datePublished,
'dateModified' => $this->webpage->dateModified,
];
// Add Organization sameAs (if defined)
if ($this->org->sameAs) {
$organization['sameAs'] = $this->org->sameAs;
}
// Add logo (if defined)
if ($this->org->logo) {
$organization['logo'] = [
'@type' => 'ImageObject',
'@id' => $this->org->logo->id,
'url' => $this->org->logo->url,
'width' => $this->org->logo->width,
'height' => $this->org->logo->height,
'caption' => $this->org->logo->caption,
];
$organization['image'] = [
'@id' => $this->org->logo->id,
];
}
// Add page description (if defined)
if ($this->webpage->description) {
$webpage['description'] = $this->webpage->description;
}
// Add page image (if defined)
if ($this->webpage->image) {
$webpageImage = [
'@type' => 'ImageObject',
'@id' => $this->webpage->image->id,
'url' => $this->webpage->image->url,
'width' => $this->webpage->image->width,
'height' => $this->webpage->image->height,
'caption' => $this->webpage->image->caption,
];
$webpage['primaryImageOfPage'] = [
'@id' => $this->webpage->image->id,
];
}
// Additional based on page type i.e. article
if ($this->webpage->type == 'article') {
$article = [
'@type' => 'Article',
'@id' => $this->webpage->url . '#article',
'isPartOf' => [
'@id' => $this->webpage->id,
],
'headline' => $this->webpage->title,
'datePublished' => $this->webpage->datePublished,
'dateModified' => $this->webpage->dateModified,
'mainEntityOfPage' => [
'@id' => $this->webpage->id,
],
'publisher' => [
'@id' => $this->org->id,
],
];
// Add Image
if ($this->webpage->image) {
$article['image'] = [
'@id' => $this->webpage->image->id,
];
}
// Add Author
if ($this->person) {
// Use Person (if defined)
$person = [
'@type' => 'Person',
'@id' => $this->person->id,
'name' => $this->person->name,
];
// Add Person description (if defined)
if ($this->person->description) {
$person['description'] = $this->person->description;
}
// Add Person sameAs (if defined)
if ($this->person->sameAs) {
$person['sameAs'] = $this->person->sameAs;
}
// Add Person image (if defined)
if ($this->person->image) {
$person['image'] = [
'@type' => 'ImageObject',
'@id' => $this->person->image->id,
'url' => $this->person->image->url,
'width' => $this->person->image->width,
'height' => $this->person->image->height,
'caption' => $this->person->image->caption,
];
}
$article['author'] = [
'@id' => $this->person->id,
];
} else {
// Use Organization
$article['author'] = [
'@id' => $this->org->id,
];
}
}
// Build the empty structured data block
$data = [
'@context' => 'https://schema.org',
'@graph' => [],
];
// Add the elements in order
$data['@graph'][] = $organization;
$data['@graph'][] = $website;
if (isset($webpageImage)) {
$data['@graph'][] = $webpageImage;
}
$data['@graph'][] = $webpage;
if (isset($article)) {
$data['@graph'][] = $article;
}
if (isset($person)) {
$data['@graph'][] = $person;
}
return json_encode($data, JSON_UNESCAPED_SLASHES);
}
/**
* @return void
*/
protected function setOrg(): void
{
$this->org = new Organization();
$this->org->url = (string)$this->grav['config']->get('plugins.aura.org-url');
$this->org->id = $this->org->url . '#organization';
$this->org->name = $this->grav['config']->get('plugins.aura.org-name');
// Org SameAs
$sameAs = [];
foreach ($this->otherPresence as $platform) {
$key = 'plugins.aura.org-' . $platform;
if ($this->grav['config']->get($key)) {
$sameAs[] = $this->grav['config']->get($key);
}
}
$key = 'plugins.aura.org-twitter-user';
if ($this->grav['config']->get($key)) {
$sameAs[] = 'https://twitter.com/' . $this->grav['config']->get($key);
}
if (!empty($sameAs)) {
$this->org->sameAs = $sameAs;
}
$this->setOrgLogo();
}
/**
* @return void
*/
protected function setOrgLogo(): void
{
// Org Logo
if ($this->grav['config']->get('plugins.aura.org-logo')) {
$imageArray = $this->grav['config']->get('plugins.aura.org-logo');
$firstImage = reset($imageArray);
$imagePath = ROOT_DIR . $firstImage['path'];
if (file_exists($imagePath)) {
$size = getimagesize($imagePath);
$this->org->logo = new Image();
$this->org->logo->url = $this->grav['base_url_absolute'] . '/' . $firstImage['path'];
$this->org->logo->id = $this->org->url . '#logo';
$this->org->logo->width = $size[0];
$this->org->logo->height = $size[1];
$this->org->logo->caption = $this->org->name;
$this->org->logo->type = $size['mime'];
}
}
}
/**
* @return void
*/
protected function setWebsite(): void
{
$this->website = new WebSite;
$this->website->url = $this->grav['base_url_absolute'];
$this->website->id = $this->website->url . '#website';
$this->website->name = $this->grav['config']->get('site.title');
}
/**
* @param PageObject $page
*
* @return mixed
*/
protected function setWebPage($page)
{
$this->webpage = new WebPage;
$this->webpage->url = $page->url(true);
$this->webpage->id = $this->webpage->url . '#webpage';
$this->webpage->title = $page->title() . ' | ' . $this->grav['config']->get('site.title');
$header = $page->header();
if (isset($header->aura['description']) && $header->aura['description'] != '') {
$this->webpage->description = (string)$header->aura['description'];
}
if (isset($header->language) && $header->language != '') {
$this->webpage->language = $header->language;
} else {
$this->webpage->language = $this->grav['language']->getActive();
if (!$this->webpage->language) {
$this->webpage->language = $this->grav['config']->get('site.default_lang');
}
}
$datePublishedRaw = time();
if ($page->publishDate()) {
$datePublishedRaw = $page->publishDate();
} elseif ($page->date()) {
$datePublishedRaw = $page->date();
} elseif ($page->modified()) {
$datePublishedRaw = $page->modified();
}
$dateModifiedRaw = $page->modified() ? $page->modified() : time();
$this->webpage->datePublished = date('c', $datePublishedRaw);
$this->webpage->dateModified = date('c', $dateModifiedRaw);
$this->setWebpageImage($page);
if ((isset($header->aura['pagetype'])) && ($header->aura['pagetype'] != '')) {
$this->webpage->type = $header->aura['pagetype'];
}
}
/**
* @param PageObject $page
*
* @return void
*/
protected function setWebpageImage($page): void
{
$image = null;
$header = $page->header();
if (isset($header->aura['image']) && $header->aura['image'] !== '') {
$image = $page->media()->images()[$header->aura['image']] ?? null;
} elseif (isset($header->media_order) && $header->media_order !== '') {
$images = explode(',', $header->media_order);
if (is_array($images) && !empty($images)) {
$image = $page->media()->images()[reset($images)] ?? null;
}
}
if ($image !== null) {
$url_data = array_merge(
parse_url($this->grav->get('base_url_absolute')),
parse_url($image->url())
);
$url = call_user_func(
static function (array $parts) {
return (isset($parts['scheme']) ? "{$parts['scheme']}:" : '') .
((isset($parts['user']) || isset($parts['host'])) ? '//' : '') .
(isset($parts['user']) ? (string)($parts['user']) : '') .
(isset($parts['pass']) ? ":{$parts['pass']}" : '') .
(isset($parts['user']) ? '@' : '') .
(isset($parts['host']) ? (string)($parts['host']) : '') .
(isset($parts['port']) ? ":{$parts['port']}" : '') .
(isset($parts['path']) ? (string)($parts['path']) : '') .
(isset($parts['query']) ? "?{$parts['query']}" : '') .
(isset($parts['fragment']) ? "#{$parts['fragment']}" : '');
}, $url_data
);
$this->webpage->image = new Image();
$this->webpage->image->id = $this->webpage->url . '#primaryimage';
$this->webpage->image->caption = $this->webpage->title;
$this->webpage->image->url = $url;
$this->webpage->image->width = $image->get('width');
$this->webpage->image->height = $image->get('height');
$this->webpage->image->type = $image->get('mime');
}
}
/**
* @param PageObject $page
*/
protected function setAuthor($page): void
{
if (!$this->grav['config']->get('plugins.aura-authors.enabled') || !isset($page->header()->aura['author'])) {
return;
}
$authors = $this->grav['config']->get('plugins.aura-authors.authors');
$key = array_search($page->header()->aura['author'], array_column($authors, 'label'));
if ($key !== false) {
$author = $authors[$key];
$this->person = new Person();
$this->person->id = $this->org->url . '#person/' . $author['label'];
$this->person->name = $author['name'];
$this->person->description = $author['description'];
// Person SameAs
$sameAs = [];
foreach ($this->otherPresence as $platform) {
$key = 'person-' . $platform;
if (isset($author[$key]) && $author[$key] != '') {
$sameAs[] = $author[$key];
}
}
$key = 'person-twitter-user';
if (isset($author[$key]) && $author[$key] != '') {
$this->person->twitterUser = $author[$key];
$sameAs[] = 'https://twitter.com/' . $author[$key];
}
if (!empty($sameAs)) {
$this->person->sameAs = $sameAs;
}
// Person Image
if (isset($author['image']) && !empty($author['image'])) {
$firstImage = reset($author['image']);
$imagePath = ROOT_DIR . $firstImage['path'];
if (file_exists($imagePath)) {
$size = getimagesize($imagePath);
$this->person->image = new Image();
$this->person->image->url = $this->grav['base_url_absolute'] . '/' . $firstImage['path'];
$this->person->image->id = $this->org->url . '#personimage/' . $author['label'];
$this->person->image->width = $size[0];
$this->person->image->height = $size[1];
$this->person->image->caption = $author['name'];
$this->person->image->type = $size['mime'];
}
}
}
}
}