Laravel/mini-crm/app/Http/Controllers/ProductController.php

<?php

namespace App\Http\Controllers;

use Illuminate\Http\Request;
use App\Models\Product;
use App\Http\Requests\StoreProductRequest;
use App\Http\Requests\UpdateProductRequest;
class ProductController extends Controller
{
    /**
     * Display a listing of the resource.
     */
    public function index(Request $request)
    {
        $search = $request->input('search');
        $query = Product::query();
        if ($search) {
           $query->where(function ($query) use ($search) {
           $query->where('name', 'like', '%' . $search . '%')
           ->orWhere('price', 'like', '%' . $search . '%')
           ->orWhere('stock', 'like', '%' . $search . '%');
           });
          }
          $products = $query
          ->paginate(10)
          ->withQueryString();
        return view('products.index', compact('products', 'search')); }

    /**
     * Show the form for creating a new resource.
     */
    public function create()
    {
        return view('products.create');
    }

    /**
     * Show the form for creating a new resource.
     */
    public function store(StoreProductRequest $request)
    { 
        Product::create($request->validated());
        return redirect()->route('products.index');
   }

    /**
     * Display the specified resource.
     */
    public function show(Product $product)
    {
        return view('products.show', [
            'product' => $product
            ]);
    }

    /**
     * Show the form for editing the specified resource.
     */
    public function edit(Product $product)
    {
        //
        return view('products.edit', [
            'product' => $product
            ]);
    }

    /**
     * Update the specified resource in storage.
     */
    public function update(UpdateProductRequest $request, Product $product)
    {
        //
        $product->update($request->validated());
        return redirect()->route('products.index');
     }

    /**
     * Remove the specified resource from storage.
     */
    public function destroy(Product $product)
    {
        //
        $product->delete();
 return redirect()->route('products.index');
    }

}