chore: initial commit of existing codebase

app/Models/SalesOrderItem.php

@@ -0,0 +1,30 @@
+<?php
+
+namespace App\Models;
+
+use Illuminate\Database\Eloquent\Factories\HasFactory;
+use Illuminate\Database\Eloquent\Model;
+
+class SalesOrderItem extends Model
+{
+    use HasFactory;
+
+    protected $fillable = ['sales_order_id', 'item_id', 'quantity', 'price', 'total_amount', 'quantity_delivered'];
+
+    protected $casts = [
+        'quantity' => 'decimal:2',
+        'price' => 'decimal:2',
+        'total_amount' => 'decimal:2',
+        'quantity_delivered' => 'decimal:2',
+    ];
+
+    public function salesOrder()
+    {
+        return $this->belongsTo(SalesOrder::class);
+    }
+
+    public function item()
+    {
+        return $this->belongsTo(Item::class);
+    }
+}