buid new app

app/Models/Expense.php

@@ -0,0 +1,42 @@
+<?php
+
+namespace App\Models;
+
+use Illuminate\Database\Eloquent\Model;
+
+class Expense extends Model
+{
+    protected $fillable = [
+        'user_id',
+        'category_id',
+        'subcategory_id',
+        'type',
+        'amount',
+        'note',
+        'date',
+        'invoice_number',
+        'seller_name',
+        'item_name',
+        'external_id',
+    ];
+
+    protected $casts = [
+        'date'   => 'date:Y-m-d',
+        'amount' => 'decimal:2',
+    ];
+
+    public function user()
+    {
+        return $this->belongsTo(User::class);
+    }
+
+    public function category()
+    {
+        return $this->belongsTo(Category::class);
+    }
+
+    public function subcategory()
+    {
+        return $this->belongsTo(Category::class, 'subcategory_id');
+    }
+}