optimizations

app/Http/Requests/Collections/UpdateCollectionSeriesRequest.php

@@ -0,0 +1,54 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Http\Requests\Collections;
+
+use Illuminate\Foundation\Http\FormRequest;
+
+class UpdateCollectionSeriesRequest extends FormRequest
+{
+    public function authorize(): bool
+    {
+        return $this->user() !== null;
+    }
+
+    protected function prepareForValidation(): void
+    {
+        foreach (['series_key', 'series_title', 'series_description'] as $field) {
+            if ($this->has($field) && trim((string) $this->input($field)) === '') {
+                $this->merge([$field => null]);
+            }
+        }
+
+        if ($this->has('series_order') && trim((string) $this->input('series_order')) === '') {
+            $this->merge(['series_order' => null]);
+        }
+    }
+
+    public function rules(): array
+    {
+        return [
+            'series_key' => ['nullable', 'string', 'max:80'],
+            'series_title' => ['nullable', 'string', 'max:160'],
+            'series_description' => ['nullable', 'string', 'max:400'],
+            'series_order' => ['nullable', 'integer', 'min:1', 'max:9999'],
+        ];
+    }
+
+    public function withValidator($validator): void
+    {
+        $validator->after(function ($validator): void {
+            $seriesKey = $this->input('series_key');
+            $seriesTitle = $this->input('series_title');
+            $seriesDescription = $this->input('series_description');
+            $seriesOrder = $this->input('series_order');
+
+            $hasSeriesMetadata = filled($seriesTitle) || filled($seriesDescription) || filled($seriesOrder);
+
+            if ($hasSeriesMetadata && blank($seriesKey)) {
+                $validator->errors()->add('series_key', 'Series key is required when series metadata is provided.');
+            }
+        });
+    }
+}