chore: initial commit of existing codebase

app/Http/Controllers/DashboardController.php

@@ -0,0 +1,39 @@
+<?php
+
+namespace App\Http\Controllers;
+
+use App\Models\Customer;
+use App\Models\Item;
+use App\Models\ProductionOrder;
+use App\Models\PurchaseOrder;
+use App\Models\PurchaseRequest;
+use App\Models\SalesInvoice;
+use App\Models\StockLevel;
+use Illuminate\Support\Facades\DB;
+
+class DashboardController extends Controller
+{
+    public function index()
+    {
+        $totalSales = SalesInvoice::sum('total_amount');
+
+        $inventoryValue = StockLevel::join('items', 'items.id', '=', 'stock_levels.item_id')
+            ->select(DB::raw('SUM(stock_levels.quantity * items.cost_price) as value'))
+            ->value('value') ?? 0;
+
+        $productionInProgress = ProductionOrder::where('status', 'in_progress')->count();
+
+        $purchasePending = PurchaseRequest::where('stage', '!=', 'complete')->count();
+
+        $outstandingReceivables = SalesInvoice::whereIn('status', ['unpaid', 'partial'])
+            ->sum(DB::raw('total_amount - paid_amount'));
+
+        return view('dashboard', compact(
+            'totalSales',
+            'inventoryValue',
+            'productionInProgress',
+            'purchasePending',
+            'outstandingReceivables'
+        ));
+    }
+}