feat: implement product creation workflow with variants, attribute definitions, and validation logic

app/Domains/Catalog/Requests/UpdateAttributeRequest.php

@@ -0,0 +1,62 @@
+<?php
+
+namespace App\Domains\Catalog\Requests;
+
+use App\Domains\Catalog\Models\Attribute;
+use App\Domains\Shared\Enums\FieldType;
+use Illuminate\Foundation\Http\FormRequest;
+use Illuminate\Validation\Rule;
+use Illuminate\Validation\Validator;
+
+class UpdateAttributeRequest extends FormRequest
+{
+    public function authorize(): bool
+    {
+        return true;
+    }
+
+    /**
+     * @return array<string, mixed>
+     */
+    public function rules(): array
+    {
+        /** @var Attribute|null $attribute */
+        $attribute = $this->route('attribute');
+
+        return [
+            'codigo' => [
+                'required',
+                'string',
+                'max:255',
+                Rule::unique('attribute', 'codigo')
+                    ->ignore($attribute?->id)
+                    ->where(fn ($query) => $query->where('tenant_codigo', $attribute?->tenant_codigo)),
+            ],
+            'nombre' => ['required', 'string', 'max:255'],
+            'is_required' => ['sometimes', 'boolean'],
+            'metadata_schema' => ['nullable', 'array'],
+            'type' => ['required', Rule::enum(FieldType::class)],
+            'options' => ['sometimes', 'array'],
+            'options.*.value' => ['required', 'string', 'max:255'],
+            'options.*.label' => ['required', 'string', 'max:255'],
+            'options.*.sort_order' => ['sometimes', 'integer'],
+            'options.*.metadata' => ['nullable', 'array'],
+        ];
+    }
+
+    public function withValidator(Validator $validator): void
+    {
+        $validator->after(function (Validator $validator): void {
+            $type = $this->input('type');
+            $supportsOptions = in_array($type, [FieldType::Select->value, FieldType::Multiselect->value], true);
+
+            if (! $supportsOptions && $this->filled('metadata_schema')) {
+                $validator->errors()->add('metadata_schema', 'The metadata_schema field is only allowed for select and multiselect attributes.');
+            }
+
+            if (! $supportsOptions && $this->filled('options')) {
+                $validator->errors()->add('options', 'Options are only allowed for select and multiselect attributes.');
+            }
+        });
+    }
+}