chore: initial commit of existing codebase

app/Http/Controllers/Purchase/PurchaseOrderController.php

@@ -0,0 +1,101 @@
+<?php
+
+namespace App\Http\Controllers\Purchase;
+
+use App\Http\Controllers\Controller;
+use App\Models\Item;
+use App\Models\PurchaseOrder;
+use App\Models\PurchaseOrderItem;
+use App\Models\PurchaseRequest;
+use App\Models\Supplier;
+use Illuminate\Http\Request;
+
+class PurchaseOrderController extends Controller
+{
+    public function index()
+    {
+        $orders = PurchaseOrder::with('supplier')->paginate(15);
+
+        return view('purchase.orders.index', compact('orders'));
+    }
+
+    public function create()
+    {
+        $suppliers        = Supplier::all();
+        $items            = Item::all();
+        $purchaseRequests = PurchaseRequest::where('status', 'approved')->get();
+
+        return view('purchase.orders.create', compact('suppliers', 'items', 'purchaseRequests'));
+    }
+
+    public function store(Request $request)
+    {
+        $request->validate([
+            'supplier_id'          => 'required|exists:suppliers,id',
+            'po_date'              => 'required|date',
+            'items'                => 'required|array|min:1',
+            'items.*.item_id'      => 'required|exists:items,id',
+            'items.*.quantity'     => 'required|numeric|min:1',
+            'items.*.rate'         => 'required|numeric|min:0',
+        ]);
+
+        $poNumber = 'PO-' . str_pad(PurchaseOrder::max('id') + 1, 5, '0', STR_PAD_LEFT);
+
+        $totalAmount = collect($request->items)->sum(fn($item) => $item['quantity'] * $item['rate']);
+
+        $order = PurchaseOrder::create([
+            'po_number'    => $poNumber,
+            'supplier_id'  => $request->supplier_id,
+            'po_date'      => $request->po_date,
+            'total_amount' => $totalAmount,
+            'status'       => 'draft',
+            'created_by'   => auth()->id(),
+        ]);
+
+        foreach ($request->items as $item) {
+            PurchaseOrderItem::create([
+                'purchase_order_id' => $order->id,
+                'item_id'           => $item['item_id'],
+                'quantity'          => $item['quantity'],
+                'rate'              => $item['rate'],
+                'amount'            => $item['quantity'] * $item['rate'],
+            ]);
+        }
+
+        return redirect()->route('purchase.orders.show', $order)->with('success', 'Purchase order created successfully.');
+    }
+
+    public function show(PurchaseOrder $purchaseOrder)
+    {
+        $purchaseOrder->load(['supplier', 'items.item']);
+
+        return view('purchase.orders.show', compact('purchaseOrder'));
+    }
+
+    public function edit(PurchaseOrder $purchaseOrder)
+    {
+        $suppliers = Supplier::all();
+        $items     = Item::all();
+
+        return view('purchase.orders.edit', compact('purchaseOrder', 'suppliers', 'items'));
+    }
+
+    public function update(Request $request, PurchaseOrder $purchaseOrder)
+    {
+        $request->validate([
+            'supplier_id' => 'required|exists:suppliers,id',
+            'po_date'     => 'required|date',
+        ]);
+
+        $purchaseOrder->update($request->only('supplier_id', 'po_date', 'status'));
+
+        return redirect()->route('purchase.orders.show', $purchaseOrder)->with('success', 'Purchase order updated successfully.');
+    }
+
+    public function destroy(PurchaseOrder $purchaseOrder)
+    {
+        $purchaseOrder->delete();
+
+        return redirect()->route('purchase.orders.index')->with('success', 'Purchase order deleted successfully.');
+    }
+}