chore: initial commit of existing codebase

app/Models/PurchaseRequestItem.php

@@ -0,0 +1,26 @@
+<?php
+
+namespace App\Models;
+
+use Illuminate\Database\Eloquent\Factories\HasFactory;
+use Illuminate\Database\Eloquent\Model;
+
+class PurchaseRequestItem extends Model
+{
+    use HasFactory;
+
+    protected $fillable = [
+        'purchase_request_id', 'description', 'unit',
+        'quantity_required', 'purpose_use', 'required_date',
+    ];
+
+    protected $casts = [
+        'required_date'     => 'date',
+        'quantity_required' => 'decimal:2',
+    ];
+
+    public function purchaseRequest()
+    {
+        return $this->belongsTo(PurchaseRequest::class);
+    }
+}