CKB/app/Http/Controllers/WarehouseManagement/ProductsController.php

<?php

namespace App\Http\Controllers\WarehouseManagement;

use App\Http\Controllers\Controller;
use App\Models\Dealer;
use App\Models\Menu;
use App\Models\Product;
use App\Models\ProductCategory;
use Carbon\Carbon;
use Illuminate\Http\Request;
use Illuminate\Support\Facades\Auth;
use Illuminate\Support\Facades\Log;
use Yajra\DataTables\Facades\DataTables;
use Illuminate\Validation\Rule;

class ProductsController extends Controller
{
    /**
     * Display a listing of the resource.
     *
     * @return \Illuminate\Http\Response
     */
    public function index(Request $request)
    {
        $menu = Menu::where('link','products.index')->first();
        if($request->ajax()){
            $data = Product::with(['category','dealers']);
            return DataTables::of($data)
            ->addIndexColumn()
            ->addColumn('category_name', function ($row) {
                return $row->category ? $row->category->name : '-';
            })
            ->addColumn('total_stock', function ($row){
                return 0;
            })
            ->addColumn('action', function ($row) use ($menu) {
                $btn = '<div class="d-flex">';
                
                if (Auth::user()->can('update', $menu)) {
                    $btn .= '<a href="' . route('products.edit', $row->id) . '" class="btn btn-warning btn-sm" style="margin-right: 8px;">Edit</a>';
                }

                $btn .= '<button class="btn btn-sm btn-toggle-active ' 
                . ($row->active ? 'btn-danger' : 'btn-success') . '" 
                   data-url="' . route('products.toggleActive', $row->id) . '" data-active="'.$row->active.'" style="margin-right: 8px;">'
                . ($row->active ? 'Nonaktifkan' : 'Aktifkan') . '</button>';

                $btn .= '<button class="btn btn-sm btn-secondary btn-product-stock-dealers">Stock</button>';
                
                $btn .= '</div>';
                
                return $btn;
            })
            ->rawColumns(['action'])
            ->make(true);
        }
        return view('warehouse_management.products.index');
    }

    /**
     * Show the form for creating a new resource.
     *
     * @return \Illuminate\Http\Response
     */
    public function create()
    {
        $categories = ProductCategory::with('children')->whereNull('parent_id')->get();
        $dealers = Dealer::all();
        return view('warehouse_management.products.create', compact('categories', 'dealers'));
    }    

    /**
     * Store a newly created resource in storage.
     *
     * @param  \Illuminate\Http\Request  $request
     * @return \Illuminate\Http\Response
     */
    public function store(Request $request)
    {
        try{
            $request->validate([
                'code' => [
                    'required',
                    'string',
                    Rule::unique('products')->whereNull('deleted_at'),
                ],
                'name' => 'required|string',
                'description' => 'nullable|string',
                'unit' => 'nullable|string',
                'active' => 'required|boolean',
                'product_category_id' => 'required|exists:product_categories,id'
            ]);
        
            // Create product
            $product = Product::create([
                'code' => $request->code,
                'name' => $request->name,
                'unit' => $request->unit,
                'active' => $request->active,
                'description' => $request->description,
                'product_category_id' => $request->product_category_id,
            ]);
        
            return redirect()->route('products.index')->with('success', 'Produk berhasil ditambahkan.');
        }catch(\Exception $ex){
            throw $ex;
        }
    }    

    /**
     * Display the specified resource.
     *
     * @param  int  $id
     * @return \Illuminate\Http\Response
     */
    public function show($id)
    {
        //
    }

    /**
     * Show the form for editing the specified resource.
     *
     * @param  int  $id
     * @return \Illuminate\Http\Response
     */
    public function edit($id)
    {
        $product = Product::findOrFail($id);
        return view('warehouse_management.products.edit', [
            'product' => $product->load('dealers'),
            'dealers' => Dealer::all(),
            'categories' => ProductCategory::with('children')->get(),
        ]);
    }

    /**
     * Update the specified resource in storage.
     *
     * @param  \Illuminate\Http\Request  $request
     * @param  int  $id
     * @return \Illuminate\Http\Response
     */
    public function update(Request $request, Product $product)
    {
        try{
            $request->validate([
                'code' => [
                    'required',
                    'string',
                    Rule::unique('products')->ignore($product->id)->whereNull('deleted_at'),
                ],
                'name' => 'required|string',
                'description' => 'nullable|string',
                'unit' => 'nullable|string',
                'active' => 'required|boolean',
                'product_category_id' => 'required|exists:product_categories,id'
            ]);
        
            $product->update($request->only(['code', 'name', 'description', 'unit','active', 'product_category_id']));
        
            return redirect()->route('products.index')->with('success', 'Produk berhasil diperbarui.');
        }catch(\Exception $ex){
            Log::error($ex->getMessage());
        }
    }    

    /**
     * Remove the specified resource from storage.
     *
     * @param  int  $id
     * @return \Illuminate\Http\Response
     */
    public function destroy(Product $product)
    {
        // Ambil stok pivot sebelum hapus
        $dealerStocks = $product->dealers()->pluck('quantity', 'dealer_id')->toArray();
    
        // Buat mutasi stok keluar (out) untuk semua stok yang dihapus
        foreach ($dealerStocks as $dealerId => $qty) {
            if ($qty > 0) {
                StockMutation::create([
                    'product_id' => $product->id,
                    'dealer_id' => $dealerId,
                    'mutation_type' => 'out',
                    'quantity' => $qty,
                    'description' => 'Stock removed due to product deletion',
                    'user_id' => auth()->id(),
                ]);
            }
        }
    
        // Hapus pivot stok dealer
        $product->dealers()->detach();
    
        // Hapus produk
        $product->delete();
    
        return redirect()->route('products.index')->with('success', 'Produk berhasil dihapus.');
    }
    public function toggleActive(Request $request, Product $product)
    {
        // You can add authorization here
        $product->active = !$product->active;
        $product->save();

        return response()->json([
            'success' => true,
            'active' => $product->active,
            'message' => 'Status produk berhasil diperbarui.'
        ]);
    }
}