feature test su institution

backend/app/Models/InstitutionLink.php

@@ -0,0 +1,46 @@
+<?php
+
+namespace App\Models;
+
+use App\Enums\InstitutionLinkType;
+use Illuminate\Database\Eloquent\Factories\HasFactory;
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\Relations\BelongsTo;
+use OwenIt\Auditing\Auditable as AuditableTrait;
+use OwenIt\Auditing\Contracts\Auditable;
+
+class InstitutionLink extends Model implements Auditable
+{
+    use AuditableTrait;
+    use HasFactory;
+
+    protected $fillable = [
+        'institution_id',
+        'url',
+        'type',
+        'label',
+        'sort_order',
+    ];
+
+    /**
+     * @return array<string, string>
+     */
+    protected function casts(): array
+    {
+        return [
+            'institution_id' => 'integer',
+            'type' => InstitutionLinkType::class,
+            'sort_order' => 'integer',
+        ];
+    }
+
+    /**
+     * Istituzione a cui appartiene il link.
+     *
+     * @return BelongsTo<Institution, $this>
+     */
+    public function institution(): BelongsTo
+    {
+        return $this->belongsTo(Institution::class);
+    }
+}