chore: initial commit of existing codebase

app/Models/GoodsReceiptNote.php

@@ -0,0 +1,40 @@
+<?php
+
+namespace App\Models;
+
+use Illuminate\Database\Eloquent\Factories\HasFactory;
+use Illuminate\Database\Eloquent\Model;
+
+class GoodsReceiptNote extends Model
+{
+    use HasFactory;
+
+    protected $fillable = ['grn_number', 'purchase_order_id', 'supplier_id', 'warehouse_id', 'received_date', 'status', 'notes', 'received_by'];
+
+    protected $casts = ['received_date' => 'date'];
+
+    public function purchaseOrder()
+    {
+        return $this->belongsTo(PurchaseOrder::class);
+    }
+
+    public function supplier()
+    {
+        return $this->belongsTo(Supplier::class);
+    }
+
+    public function warehouse()
+    {
+        return $this->belongsTo(Warehouse::class);
+    }
+
+    public function items()
+    {
+        return $this->hasMany(GrnItem::class);
+    }
+
+    public function receivedBy()
+    {
+        return $this->belongsTo(\App\Models\User::class, 'received_by');
+    }
+}