Does anyone knows about laravel inventory management system?

@extends('layouts.home')
@section('content')
<div class="content-wrapper">
<div class="card">
              <div class="card-header">
                <h3 class="card-title">DataTable with default features</h3>                
              </div>
              <!-- /.card-header -->
              <div class="card-body">            
              <div class="table-responsive">
                
                <table id="example1" 
                class="table table-bordered table-striped">
                  <thead>
                  <tr>               
      <th scope="col">Sr.N0</th>
      <th scope="col">Product Name</th>     
      <th scope="col">Catagory Name</th>
      <th scope="col">Supplier Name</th>
      <th scope="col">Purchase Date</th>  
       <th scope="col">PO NO</th>
       <th scope="col">QTY</th>
       <th scope="col">Status</th>
       <th scope="col">Action</th>
                  </tr>
                  </thead>
                  <tbody>  
                  @php($sr=0)
                  @foreach ( $request as $item)
                  @php($sr++)
 <tr > 
 <td>{{$sr}}</td>
   <td>{{$item->product_name}}</td>  
   <td>{{$item->name}}</td>
   <td>{{$item->sup_name}}</td>  
   <td>{{$item->purchase_product_date}}</td>
   <td>{{$item->productno}}</td>
   <td>{{$item->quantity}}</td>
   <td><a  href="" class="badge badge-success rounded-pill">{{$item->status}}</a></td>
   <td>   
    <a href="{{route('purchaseproductlist')}} " class="btn btn-primary delete-confirm">Action</a>
    
</td>
 </tr>
@endforeach
 </table>
                 </div>
</div>
              <!-- /.card-body -->
            </div>    
           
</div>
<script type="text/javascript">
  $('.delete-confirm').on('click', function (e) {
      e.preventDefault();
      const url = $(this).attr('href');
  //alert(url)
      swal({
          title: 'Are you sure?',
          text: 'You want to approve it!',
          icon: 'warning',
          buttons: ["cancel!","Approve it"],
      }).then(function(approve) {
          if (approve) {
            swal({
  title: "Approved",
  icon: "success",
  timer: 4000
});
         ///   $('#myTableRow').remove();
              window.location.href = url;
               
          }
    else {
  swal("Your  file is not updated!");
}
      });
  });

</script>
@endsection
           Here is controlller
<pre> function product_list(Request $request){
     
         $request=DB::table('product_purchase_orders')
        ->join('products','products.productid','=',
                  'product_purchase_orders.product_id')
         - 
 >join('catagories','catagories.catagoriesid','=',
          'product_purchase_orders.catid')
     ->join('suppliers','suppliers.supplierid','=',
               'product_purchase_orders.supid') 
      ->join('product_purchases','product_purchases.id','=',
                'product_purchase_orders.prod_puechase_id')      
->select('product_purchase_orders.id','product_purchases.id',
            'products.product_name','catagories.name',
            'suppliers.name as sup_name',
            'product_purchases.purchase_product_date',
            'product_purchases.productno',
            'product_purchase_orders.quantity','product_purchases.status')
        // ->where('suppliers.supplierid','=','product_purchases.supplier')
          
         ->get();
        // return $request;
        // $id=$request->id;
        // return $id;
         return view('Purchase.Purchase_product_listing',['request'=>$request]);
    
}
function approve_list(Request $request){
   
   $request=DB::table('product_purchase_orders')
  ->join('products','products.productid','=',
            'product_purchase_orders.product_id')
   ->join('catagories','catagories.catagoriesid','=',
             'product_purchase_orders.catid')
->join('suppliers','suppliers.supplierid','=',
          'product_purchase_orders.supid') 
->join('product_purchases','product_purchases.id','=',
          'product_purchase_orders.prod_puechase_id')      
->select('product_purchase_orders.id',
            'products.product_name',
            'product_purchase_orders.product_id',
            'catagories.name','suppliers.name as sup_name',
            'product_purchases.purchase_product_date',
            'product_purchases.productno',
            'product_purchase_orders.quantity',
            'product_purchases.status')
  // ->where('suppliers.supplierid','=','product_purchases.supplier')
    
   ->get();
  // return $request;
  // $id=$request->productid;
  //  return $id;
   return view('Purchase.Approve_product_listing',['request'=>$request]);

All purchase Products
--------------------------------------------*/
Route::get('/addPurchaseProduct',[PurchaseProductController::class,"PurchaseProduct"])->name('productpurchase');
Route::get('/gert_catagory',[PurchaseProductController::class,"Getcatagory"])->name('get.catagory');
Route::get('/gert_product',[PurchaseProductController::class,"Getproduct"])->name('get.productname');
Route::post('/insert_product_purchase',[PurchaseProductController::class,"insertproduct"])->name('addproductpurchase');
Route::get('/get_approve',[PurchaseProductController::class,"product_list"])->name('purchaseproductlist');
// Route::get('/get_approve/{product_id}',[PurchaseProductController::class,"product_list_approve"])->name('purchaseproduct_approvelist');
Route::get('/approve_products',[PurchaseProductController::class,"approve_list"])->name('approve_productlist');

/*
}