demo/app/Http/Controllers/KTasksController.php

<?php

namespace App\Http\Controllers;

use Illuminate\Http\Request;
use App\Model\KTask;

class KTasksController extends Controller
{
    /**
     * Display a listing of the resource.
     * get
     *
     * @return \Illuminate\Http\Response
     */
    public function index()
    {
        return KTask::orderBy('created_at','desc')->get();
    }

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

    /**
     * Store a newly created resource in storage.
     * post
     *
     * @param  \Illuminate\Http\Request  $request
     * @return \Illuminate\Http\Response
     */
    public function store(Request $request)
    {
        $task = new KTask();
        $task->name = $request->name;
        $task->save();

        return $task;
    }

    /**
     * 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)
    {
        //
    }

    /**
     * Update the specified resource in storage.
     *
     * @param  \Illuminate\Http\Request  $request
     * @param  int  $id
     * @return \Illuminate\Http\Response
     */
    public function update(Request $request, $id)
    {
        $task = KTask::findOrFail($id);
        $task->completed = $request->completed;
        $task->update();

        return $task;
    }

    /**
     * Remove the specified resource from storage.
     *
     * @param  int  $id
     * @return \Illuminate\Http\Response
     */
    public function destroy($id)
    {
        $task = KTask::findOrFail($id);
        $task->delete();

        return 204;

    }
}