chore: initial commit of existing codebase

app/Models/PurchaseOrderItem.php

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