tissue/app/Http/Controllers/Api/CardController.php

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<?php
namespace App\Http\Controllers\Api;
use App\Metadata;
use App\MetadataResolver\MetadataResolver;
use App\Tag;
use App\Utilities\Formatter;
use Illuminate\Http\Request;
class CardController
{
/**
* @var MetadataResolver
*/
private $resolver;
/**
* @var Formatter
*/
private $formatter;
public function __construct(MetadataResolver $resolver, Formatter $formatter)
{
$this->resolver = $resolver;
$this->formatter = $formatter;
}
public function show(Request $request)
{
$request->validate([
'url:required|url'
]);
$url = $this->formatter->normalizeUrl($request->input('url'));
$metadata = Metadata::find($url);
if ($metadata === null || ($metadata->expires_at !== null && $metadata->expires_at < now())) {
$resolved = $this->resolver->resolve($url);
$metadata = Metadata::updateOrCreate(['url' => $url], [
'title' => $resolved->title,
'description' => $resolved->description,
'image' => $resolved->image,
'expires_at' => $resolved->expires_at
]);
$tagIds = [];
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foreach ($resolved->normalizedTags() as $tagName) {
$tag = Tag::firstOrCreate(['name' => $tagName]);
$tagIds[] = $tag->id;
}
$metadata->tags()->sync($tagIds);
}
$metadata->load('tags');
$response = response($metadata);
if (!config('app.debug')) {
$response = $response->setCache(['public' => true, 'max_age' => 86400]);
}
return $response;
}
}