gatecontroller.php

<?php
namespace App\Http\Controllers;

use Illuminate\Http\Request;
use Illuminate\Support\Str;

//Model
use App\Models\Location as Location;
use App\Models\Gate as Gate;

class GateController extends Controller{
    protected $data;

    public function Index(){
        $this->data['list_location'] = Location::all();
        $this->data['list_gate']     = Gate::all();
        return view('pages.gate.index', $this->data);
    }

    public function Detail(Request $req){
        $input  = $req->all();
        $res    = Gate::where("id_gate",$input['id'])->first();
        $data   = array('id'=>$res->id_gate,'id_location'=>$res->id_location,'gate'=>$res->gate_name);
        echo json_encode($data);
    }

    public function Save(Request $req){
        $input=$req->all();
        if(isset($input['id_parameter'])){
               Gate::where(['id_gate'=>$input['id_parameter']])
                            ->update(
                                [
                                    'id_location'            => $input['lokasi'],
                                    'gate_name'              => $input['gate_name'],
                                    'updated_by'             => '1'
                                ]
                            );
                echo "OK";
        }
        else {
             $res  = new Gate;

             $res->id_gate                      = "gt_".date("ymdhis")."_".rand(10000, 99999);
             $res->id_location                  = $input['lokasi'];
             $res->gate_name                    = $input['gate_name'];
             $res->created_by                   = "1";
             $res->updated_by                   = "1";
             $res->save();
             echo "OK";
        }

    }

    public function Destroy(Request $req){
        $input=$req->all();
        Gate::where(['id_gate'=>$input['id_parameter']])->delete();
        echo "OK";
    }
}