Products Controller

<?php

namespace App\Http\Controllers;

use Illuminate\Http\Request;
use App\User;
use App\Products;
use App\Suppliers;
use App\Category;


class ProductsController extends Controller
{

     /**
     * Display a listing of the resource.
     *
     * @return \Illuminate\Http\Response
     */
    public function __construct()
    {
         $this->middleware('auth');

    }
    /**
     * Display a listing of the resource.
     *
     * @return \Illuminate\Http\Response
     */
    public function index()
    {

        $products = Products::orderBy('created_at','desc')->paginate(5);
        return view('products.index')->with('products',$products);

    }

    /**
     * Display a listing of the resource.
     *
     * @return \Illuminate\Http\Response
     */
    public function add()
    {
        $categories = Category::all();
        $suppliers = Suppliers:: all();
        return view('products/add')->with('suppliers',$suppliers)->with('categories',$categories);
    }

    /**
     * Show the form for creating a new resource.
     *
     * @return \Illuminate\Http\Response
     */
    public function create()
    {
        //
    }

    /**
     * Store a newly created resource in storage.
     *
     * @param  \Illuminate\Http\Request  $request
     * @return \Illuminate\Http\Response
     */
    public function store(Request $request)
    {
        $this->validate(request(), [
            'suppliers' => 'required',
            'category' => 'required',
            'model' => 'nullable|string',
            'product' => 'required|string',
            'quantity' => 'required|numeric',
            'price' => 'required'

        ]);

        $products = new Products;
        $products->suppliers_id = $request->input('suppliers');
        $products->category_id = $request->input('category');
        $products->model = $request->input('model');
        $products->products_name = $request->input('product');
        $products->quantity = $request->input('quantity');
        $products->unit_price = str_replace(',',"", $request->input('price'));
        $products->user_id = auth()->user()->id;
        $products->save();

        return redirect('/products/index')->with('success', 'Successfully add product');
    }

    /**
     * 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)
    {
        $categories = Category::all();
        $products = Products::find($id);
        $suppliers = Suppliers::all();
        return view('products/edit')->with('products',$products)->with('suppliers',$suppliers)->with('categories',$categories);
    }
     /**
     * Update the specified resource in storage.
     *
     * @param  \Illuminate\Http\Request  $request
     * @param  int  $id
     * @return \Illuminate\Http\Response
     */
    public function update(Request $request, $id)
    {
        $this->validate(request(), [
            'suppliers' => 'required',
            'category' => 'required',
            'model' => 'nullable|string',
            'product' => 'required|string',
            'quantity' => 'required|numeric',
            'price' => 'required'

        ]);
        $products = Products::find($id);
        $products->suppliers_id = $request->input('suppliers');
        $products->category_id = $request->input('category');
        $products->model = $request->input('model');
        $products->products_name = $request->input('product');
        $products->quantity = $request->input('quantity');
        $products->unit_price = str_replace(',',"", $request->input('price'));
        $products->user_id = auth()->user()->id;
        $products->save();

        return redirect('products/index')->with('success', 'Successfully updated product');
    }

    public function search(Request $request)
    {
        $search = $request->input('search');
        $productsearch = Products::orderBy('created_at','desc')->where('products_name', 'like', '%'. $search .'%')
        ->orWhere('unit_price', 'like', '%'. $search .'%')->orWhere('model', 'like', '%'. $search .'%')
        ->orWhereHas('suppliers', function($q) use($search) {
            $q->where('company_name', 'like', '%' . $search . '%');
        })->orWhereHas('category', function($q) use($search) {
            $q->where('category', 'like', '%' . $search . '%');
        })->paginate(5);
        $i = 0;
        foreach($productsearch as &$products){

            $product[$i] = str_replace($search,"<span class='highlight'>$search</span>",$products);
            $i++;

          }
        //   dd($products);
        return view('products.index')->with('products',$product);


    }


    /**
     * Remove the specified resource from storage.
     *
     * @param  int  $id
     * @return \Illuminate\Http\Response
     */
     public function destroy($id)
     {
             $products = Products::find($id);
             $products->delete();
             return redirect('products/index')->with('products', $products)->with('success', 'Successfully deleted product');
     }
}