user affiliation schema completed

backend/app/Http/Requests/UpdateUserAffiliationRequest.php

@@ -2,12 +2,14 @@
 
 namespace App\Http\Requests;
 
+use App\Http\Traits\ValidatesUserAffiliation;
 use Illuminate\Contracts\Validation\ValidationRule;
 use Illuminate\Foundation\Http\FormRequest;
-use Illuminate\Validation\Rule;
 
 class UpdateUserAffiliationRequest extends FormRequest
 {
+    use ValidatesUserAffiliation;
+
     /**
      * L'autorizzazione (solo Admin) è gestita dal middleware di rotta.
      */
@@ -21,26 +23,6 @@ class UpdateUserAffiliationRequest extends FormRequest
      */
     public function rules(): array
     {
-        $id = $this->route('user_affiliation')->id;
-
-        $rules = [
-            'institution_id' => ['required', 'integer', 'exists:institutions,id'],
-            'user_id' => ['required', 'integer', 'exists:users,id'],
-            'user_position_id' => ['required', 'integer', 'exists:user_positions,id'],
-            'start_year' => ['required', 'integer', 'min:1800', 'max:'.now()->year],
-            'end_year' => ['nullable', 'integer', 'min:1800', 'gte:start_year'],
-        ];
-
-        // Stesso vincolo di StoreUserAffiliationRequest: niente doppio incarico
-        // aperto sullo stesso ente, escludendo il record che si sta modificando.
-        if (! $this->filled('end_year')) {
-            $rules['institution_id'][] = Rule::unique('user_affiliations', 'institution_id')
-                ->where('user_id', $this->input('user_id'))
-                ->whereNull('end_year')
-                ->whereNull('deleted_at')
-                ->ignore($id);
-        }
-
-        return $rules;
+        return $this->userAffiliationRules($this->route('user_affiliation')->id);
     }
 }