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app/Models/Appendix.php

@@ -0,0 +1,31 @@
+<?php
+
+namespace App\Models;
+
+use Illuminate\Database\Eloquent\Concerns\HasUuids;
+use Illuminate\Database\Eloquent\Factories\HasFactory;
+use Illuminate\Database\Eloquent\Model;
+
+class Appendix extends Model
+{
+    use HasUuids, HasFactory;
+
+    protected $table = 'appendices'; // Đảm bảo khớp với migration
+
+    protected $guarded = [];
+
+    protected $casts = [
+        'custom_data' => 'array',
+        'signing_date' => 'date',
+    ];
+
+    public function contract()
+    {
+        return $this->belongsTo(Contract::class);
+    }
+
+    public function product()
+    {
+        return $this->belongsTo(Product::class);
+    }
+}