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 Illuminate\Support\Facades\Gate;
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()){
            $data = Product::with(['category', 'stocks'])
                         ->orderBy('id', 'desc');
            return DataTables::of($data)
            ->addIndexColumn()
            ->addColumn('category_name', function ($row) {
                return $row->category ? $row->category->name : '-';
            })
            ->addColumn('total_stock', function ($row){
                return number_format($row->current_total_stock, 2);
            })
            ->addColumn('action', function ($row) use ($menu) {
                $btn = '<div class="d-flex">';
                
                if (Gate::allows('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>';
                }
                $btn .= '<button class="btn btn-sm btn-secondary btn-product-stock-dealers" 
                data-id="'.$row->id.'" 
                data-url="'.route('products.dealers_stock').'"
                data-name="'.$row->name.'">Dealer</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 $ex){
            Log::error($ex->getMessage());
            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)
    {
        $product->delete();
    
        return redirect()->route('products.index')->with('success', 'Produk berhasil dihapus.');
    }
    public function toggleActive(Request $request, Product $product)
    {
        $product->active = !$product->active;
        $product->save();

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

    public function all_products(){
        try{
            $products = Product::where('is_active', true)->select('id','name')->get();
            return response()->json($products);
        }catch(\Exception $ex){
            Log::error($ex->getMessage());
        }
    }

    public function dealers_stock(Request $request){
        $productId = $request->get('product_id');

        $product = Product::with(['stocks.dealer'])->findOrFail($productId);
    
        $data = $product->stocks->map(function ($stock) {
            return [
                'dealer_name' => $stock->dealer->name ?? '-',
                'quantity' => $stock->quantity
            ];
        });
    
        return DataTables::of($data)->make(true);
    }
}