Implement creator studio and upload updates

app/Services/Sitemaps/AbstractSitemapBuilder.php

@@ -0,0 +1,82 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Services\Sitemaps;
+
+use DateTimeInterface;
+use Illuminate\Support\Carbon;
+use Illuminate\Support\Str;
+
+abstract class AbstractSitemapBuilder implements SitemapBuilder
+{
+    protected function contentTypeSlugs(): array
+    {
+        return array_values((array) config('sitemaps.content_type_slugs', []));
+    }
+
+    protected function newest(mixed ...$timestamps): ?DateTimeInterface
+    {
+        $filtered = array_values(array_filter(array_map(fn (mixed $value): ?Carbon => $this->dateTime($value), $timestamps)));
+
+        if ($filtered === []) {
+            return null;
+        }
+
+        usort($filtered, static fn (DateTimeInterface $left, DateTimeInterface $right): int => $left < $right ? 1 : -1);
+
+        return $filtered[0];
+    }
+
+    protected function dateTime(mixed $value): ?Carbon
+    {
+        if ($value instanceof Carbon) {
+            return $value;
+        }
+
+        if ($value instanceof DateTimeInterface) {
+            return Carbon::instance($value);
+        }
+
+        if (is_string($value) && trim($value) !== '') {
+            return Carbon::parse($value);
+        }
+
+        return null;
+    }
+
+    protected function absoluteUrl(?string $url): ?string
+    {
+        $value = trim((string) $url);
+
+        if ($value === '') {
+            return null;
+        }
+
+        if (Str::startsWith($value, ['http://', 'https://'])) {
+            return $value;
+        }
+
+        return url($value);
+    }
+
+    protected function image(?string $url, ?string $title = null): ?SitemapImage
+    {
+        $absolute = $this->absoluteUrl($url);
+
+        if ($absolute === null) {
+            return null;
+        }
+
+        return new SitemapImage($absolute, $title !== '' ? $title : null);
+    }
+
+    /**
+     * @param  array<int, SitemapImage|null>  $images
+     * @return list<SitemapImage>
+     */
+    protected function images(array $images): array
+    {
+        return array_values(array_filter($images, static fn (mixed $image): bool => $image instanceof SitemapImage));
+    }
+}