Files
futurewalker/app/Http/Controllers/Front/FrontPostController.php

248 lines
9.3 KiB
PHP

<?php
namespace App\Http\Controllers\Front;
use App\Http\Controllers\Controller;
use App\Models\Post;
use Artesaos\SEOTools\Facades\JsonLdMulti;
use Artesaos\SEOTools\Facades\OpenGraph;
use Artesaos\SEOTools\Facades\SEOMeta;
use GrahamCampbell\Markdown\Facades\Markdown;
use Illuminate\Http\Request;
use JsonLd\Context;
use Symfony\Component\DomCrawler\Crawler;
class FrontPostController extends Controller
{
public function index(Request $request, $slug)
{
$post = Post::where('slug', $slug)->where('status', 'publish')->first();
if (is_null($post)) {
return abort(404);
}
$content = Markdown::convert($post->body)->getContent();
//dd($content);
$content = $this->injectTableOfContents($content);
$content = $this->injectBootstrapClasses($content);
$content = $this->injectFeaturedImage($post, $content);
$content = $this->injectPublishDateAndAuthor($post, $content);
$post_description = $post->excerpt.' '.$post->title.' by EchoScoop.';
// Generate breadcrumb data
$breadcrumbs = collect([
['name' => 'Home', 'url' => route('front.home')],
]);
if ($post->category) {
foreach ($post->category->ancestors as $ancestor) {
$breadcrumbs->push([
'name' => $ancestor->name,
'url' => route('front.category', $ancestor->slug),
]);
}
$breadcrumbs->push([
'name' => $post->category->name,
'url' => route('front.category', $post->category->slug),
]);
}
$breadcrumbs->push([
'name' => $post->title,
'url' => url()->current(), // The current page URL; the breadcrumb is not clickable
]);
SEOMeta::setTitle($post->title, false);
SEOMeta::setDescription($post_description);
SEOMeta::addMeta('article:published_time', $post->published_at->format('Y-m-d'), 'property');
SEOMeta::addMeta('article:section', $post->category->name, 'property');
SEOMeta::setRobots('INDEX, FOLLOW, MAX-IMAGE-PREVIEW:LARGE, MAX-SNIPPET:-1, MAX-VIDEO-PREVIEW:-1');
OpenGraph::setDescription($post_description);
OpenGraph::setTitle($post->title);
OpenGraph::setUrl(url()->current());
OpenGraph::addProperty('type', 'article');
OpenGraph::addProperty('locale', 'en_US');
OpenGraph::addImage($post->featured_image_cdn);
$jsonld_multi = JsonLdMulti::newJsonLd();
$jsonld_multi->setTitle($post->title)
->setDescription($post_description)
->setType('Article')
->addValue('headline', $post->title)
->addImage($post->featured_image_cdn)
->addValue('author', [
'type' => 'Person',
'name' => $post->author->name,
'url' => config('app.url'),
])
->addValue('publisher', [
'type' => 'Organization',
'name' => 'EchoScoop',
'logo' => [
'type' => 'ImageObject',
'url' => asset('echoscoop-logo-512x512.png'),
],
])
->addValue('datePublished', $post->published_at->format('Y-m-d'))
->addValue('dateCreated', $post->created_at->format('Y-m-d'))
->addValue('dateModified', $post->updated_at->format('Y-m-d'))
->addValue('description', $post_description)
->addValue('articleBody', trim(preg_replace('/\s\s+/', ' ', strip_tags($content))));
// breadcrumb json ld
$listItems = [];
foreach ($breadcrumbs as $index => $breadcrumb) {
$listItems[] = [
'name' => $breadcrumb['name'],
'url' => $breadcrumb['url'],
];
}
$breadcrumb_context = Context::create('breadcrumb_list', [
'itemListElement' => $listItems,
]);
return view('front.single_post', compact('post', 'content', 'breadcrumbs', 'breadcrumb_context'));
}
private function injectBootstrapClasses($content)
{
$crawler = new Crawler($content);
// Handle Headings
$crawler->filter('h1')->each(function (Crawler $node) {
$node->getNode(0)->setAttribute('class', trim($node->attr('class').' display-6 fw-bolder mt-3 mb-2'));
});
$crawler->filter('h2')->each(function (Crawler $node) {
$node->getNode(0)->setAttribute('class', trim($node->attr('class').' h4 mb-3'));
});
$crawler->filter('h3')->each(function (Crawler $node) {
$node->getNode(0)->setAttribute('class', trim($node->attr('class').' h6 mb-3'));
});
// Handle Paragraphs
$crawler->filter('p')->each(function (Crawler $pNode) {
$precedingHeaders = $pNode->previousAll()->filter('h2');
if (! $precedingHeaders->count()) {
$existingClasses = $pNode->attr('class');
$newClasses = trim($existingClasses.' mt-2 mb-4');
$pNode->getNode(0)->setAttribute('class', $newClasses);
return;
}
$precedingHeader = $precedingHeaders->first();
if (trim($precedingHeader->text()) !== 'FAQs') {
$existingClasses = $pNode->attr('class');
$newClasses = trim($existingClasses.' mt-2 mb-4');
$pNode->getNode(0)->setAttribute('class', $newClasses);
}
if (strpos($pNode->text(), 'Q:') === 0) {
$currentClasses = $pNode->attr('class');
$newClasses = trim($currentClasses.' fw-bold');
$pNode->getNode(0)->setAttribute('class', $newClasses);
}
});
// Handle Lists
$crawler->filter('ul')->each(function (Crawler $node) {
$node->getNode(0)->setAttribute('class', trim($node->attr('class').' py-2'));
});
$crawler->filter('ol')->each(function (Crawler $node) {
$node->getNode(0)->setAttribute('class', trim($node->attr('class').' py-2'));
});
// Handle Tables
$crawler->filter('table')->each(function (Crawler $node) {
$node->getNode(0)->setAttribute('class', trim($node->attr('class').' table table-bordered mb-4'));
});
// Convert the modified DOM back to string
$modifiedContent = '';
foreach ($crawler as $domElement) {
$modifiedContent .= $domElement->ownerDocument->saveHTML($domElement);
}
return $modifiedContent;
}
private function injectTableOfContents($html)
{
$crawler = new Crawler($html);
$h2Elements = $crawler->filter('h2');
if ($h2Elements->count() < 3) {
// Return the original HTML if there are fewer than 3 h2 tags
return $html;
}
// Create the Table of Contents
$domDocument = $crawler->getNode(0)->ownerDocument;
$tocDiv = $domDocument->createElement('div');
$tocDiv->setAttribute('class', 'p-3 rounded-3 bg-light mb-3');
$ol = $domDocument->createElement('ol');
$tocDiv->appendChild($ol);
$h2Elements->each(function (Crawler $node, $i) use ($ol) {
$content = htmlspecialchars($node->text(), ENT_XML1 | ENT_COMPAT, 'UTF-8');
$id = 'link-'.$i;
$node->getNode(0)->setAttribute('id', $id);
$li = $ol->appendChild(new \DOMElement('li'));
$li->setAttribute('class', 'py-1');
$a = $li->appendChild(new \DOMElement('a', $content));
$a->setAttribute('class', 'text-decoration-none hover-text-decoration-underline');
$a->setAttribute('href', '#'.$id);
});
// Insert TOC after h1
$h1Node = $crawler->filter('h1')->getNode(0);
$h1Node->parentNode->insertBefore($tocDiv, $h1Node->nextSibling);
// Get the updated HTML
$updatedHtml = $crawler->filter('body')->html();
return $updatedHtml;
}
private function injectPublishDateAndAuthor($post, $content)
{
$publishedAtFormatted = $post->published_at->format('F j, Y');
$authorName = $post->author->name;
// Create the HTML structure for publish date and author
$publishInfo = "<div class=\"mb-4\"><span class=\"text-secondary small\">Published on {$publishedAtFormatted} by {$authorName}</span></div>";
// Inject the publish date and author information after the `h1` tag
$content = preg_replace('/(<\/h1>)/', '$1'.$publishInfo, $content, 1);
return $content;
}
private function injectFeaturedImage($post, $content)
{
if (! empty($post->featured_image)) {
$featured_image_alt = strtolower($post->short_title);
$featured_image_alt_caps = strtoupper($post->short_title);
// Update the HTML structure
$featured_image = "<div class=\"w-100 d-flex justify-content-center\"><figure class=\"text-center\"><img decoding=\"async\" class=\"img-fluid rounded mb-2 shadow lqip-blur\" src=\"{$post->featured_image_lqip_cdn}\" data-src=\"{$post->featured_image_cdn}\" alt=\"{$featured_image_alt}\"><figcaption class=\"text-secondary small\">{$featured_image_alt_caps}</figcaption></figure></div>";
$content = preg_replace('/(<\/h1>)/', '$1'.$featured_image, $content, 1);
}
return $content;
}
}