73 lines
2.3 KiB
PHP
73 lines
2.3 KiB
PHP
<?php
|
|
|
|
namespace App\Services\Posts;
|
|
|
|
use App\Models\Artwork;
|
|
use App\Models\Post;
|
|
use App\Models\PostTarget;
|
|
use App\Models\User;
|
|
use App\Services\ContentSanitizer;
|
|
use Carbon\Carbon;
|
|
use Illuminate\Support\Facades\DB;
|
|
use Illuminate\Validation\ValidationException;
|
|
|
|
class PostShareService
|
|
{
|
|
/**
|
|
* Share an artwork to a user's profile feed.
|
|
*
|
|
* Enforces:
|
|
* - artwork must be public
|
|
* - no duplicate share within 24 hours (for same user+artwork)
|
|
*
|
|
* @throws ValidationException
|
|
*/
|
|
public function shareArtwork(
|
|
User $user,
|
|
Artwork $artwork,
|
|
?string $body,
|
|
string $visibility = Post::VISIBILITY_PUBLIC,
|
|
): Post {
|
|
// Ensure artwork is shareable
|
|
if (! $artwork->is_public || ! $artwork->is_approved) {
|
|
throw ValidationException::withMessages([
|
|
'artwork_id' => ['This artwork cannot be shared because it is not publicly available.'],
|
|
]);
|
|
}
|
|
|
|
// Duplicate share prevention: same user + same artwork within 24h
|
|
$alreadyShared = Post::where('user_id', $user->id)
|
|
->where('type', Post::TYPE_ARTWORK_SHARE)
|
|
->where('created_at', '>=', Carbon::now()->subHours(24))
|
|
->whereHas('targets', function ($q) use ($artwork) {
|
|
$q->where('target_type', 'artwork')->where('target_id', $artwork->id);
|
|
})
|
|
->exists();
|
|
|
|
if ($alreadyShared) {
|
|
throw ValidationException::withMessages([
|
|
'artwork_id' => ['You already shared this artwork recently. Please wait 24 hours before sharing it again.'],
|
|
]);
|
|
}
|
|
|
|
$sanitizedBody = $body ? ContentSanitizer::render($body) : null;
|
|
|
|
return DB::transaction(function () use ($user, $artwork, $sanitizedBody, $visibility) {
|
|
$post = Post::create([
|
|
'user_id' => $user->id,
|
|
'type' => Post::TYPE_ARTWORK_SHARE,
|
|
'visibility' => $visibility,
|
|
'body' => $sanitizedBody,
|
|
]);
|
|
|
|
PostTarget::create([
|
|
'post_id' => $post->id,
|
|
'target_type' => 'artwork',
|
|
'target_id' => $artwork->id,
|
|
]);
|
|
|
|
return $post;
|
|
});
|
|
}
|
|
}
|