Master/Http/Controllers/ProvinceController.php

<?php

    namespace Modules\Master\Http\Controllers;

    use Exception;
    use Illuminate\Contracts\Support\Renderable;
    use Illuminate\Http\Request;
    use Illuminate\Routing\Controller;
    use Illuminate\Support\Facades\Auth;
    use Modules\Master\DataTables\ProvinceDataTable;
    use Modules\Master\Entities\Country;
    use Modules\Master\Entities\Province;
    use Modules\Master\Http\Requests\Province\StoreProvinceRequest;
    use Modules\Master\Http\Requests\Province\UpdateProvinceRequest;

    class ProvinceController extends Controller
    {
        protected $user;
        protected $model = Province::class;
        protected $module;

        public function __construct()
        {
            $this->middleware(function ($request, $next) {
                $this->user = Auth::guard('web')->user();
                return $next($request);
            });

            $module       = file_get_contents(dirname(__FILE__, 3) . '/module.json');
            $this->module = json_decode($module);
        }

        /**
         * Display a listing of the resource.
         *
         * @return Renderable
         */
        public function index(ProvinceDataTable $dataTable, Request $request)
        {
            if (is_null($this->user) || !$this->user->can($this->module->alias . '.read')) {
                abort(403, 'Sorry !! You are Unauthorized to view any ' . $this->module->alias . ' !');
            }

            if (isset($request->country_id) && !empty($request->country_id)) {
                $this->show($request);
                return;
            }

            $countries = Country::all();
            return $dataTable->render($this->module->alias . '::province.index', compact('countries'));

        }

        /**
         * Show the specified resource.
         *
         * @param int $id
         *
         * @return Renderable
         */
        public function show(Request $request)
        {
            if (is_null($this->user) || !$this->user->can($this->module->alias . '.read')) {
                abort(403, 'Sorry !! You are Unauthorized to view any ' . $this->module->alias . ' !');
            }

            $provinces = Province::where('country_id', $request->country_id)->get();

            $data = [];
            foreach ($provinces as $row) {
                $result = [
                    $row->id => $row->name,
                ];

                $data[] = $result;
            }

            echo json_encode($data);
        }

        /**
         * Store a newly created resource in storage.
         *
         * @param Request $request
         *
         * @return Renderable
         */
        public function store(StoreProvinceRequest $request)
        {
            if (is_null($this->user) || !$this->user->can($this->module->alias . '.create')) {
                abort(403, 'Sorry !! You are Unauthorized to create any ' . $this->module->alias . ' !');
            }

            //Validate the request
            $validated = $request->validated();

            // Store the Province...
            if ($validated) {
                try {
                    $this->model::create($validated);
                    echo json_encode(['status' => 'success', 'message' => $this->module->name . ' province created successfully.']);
                } catch (Exception $e) {
                    echo json_encode(['status' => 'error', 'message' => $this->module->name . ' province created failed.']);
                }
                return;
            }

            echo json_encode(['status' => 'error', 'message' => $this->module->name . ' province created failed.']);
        }

        /**
         * Show the form for creating a new resource.
         *
         * @return Renderable
         */
        public function create()
        {
            if (is_null($this->user) || !$this->user->can($this->module->alias . '.create')) {
                abort(403, 'Sorry !! You are Unauthorized to create any ' . $this->module->alias . ' !');
            }

            abort(404);
        }

        /**
         * Show the form for editing the specified resource.
         *
         * @param int $id
         *
         * @return Renderable
         */
        public function edit($id)
        {
            if (is_null($this->user) || !$this->user->can($this->module->alias . '.update')) {
                abort(403, 'Sorry !! You are Unauthorized to update any ' . $this->module->alias . ' !');
            }

            $data = $this->model::find($id);
            echo json_encode($data);
        }

        /**
         * Update the specified resource in storage.
         *
         * @param Request $request
         * @param int     $id
         *
         * @return Renderable
         */
        public function update(UpdateProvinceRequest $request, Province $province)
        {
            if (is_null($this->user) || !$this->user->can($this->module->alias . '.update')) {
                abort(403, 'Sorry !! You are Unauthorized to update any ' . $this->module->alias . ' !');
            }

            //Validate the request
            $validated = $request->validated();

            // Update the Province...
            if ($validated) {
                try {
                    $province->update($validated);
                    echo json_encode(['status' => 'success', 'message' => $this->module->name . ' province updated successfully.']);
                } catch (Exception $e) {
                    echo json_encode(['status' => 'error', 'message' => $this->module->name . ' province updated failed.']);
                }
                return;
            }

            echo json_encode(['status' => 'error', 'message' => $this->module->name . ' province updated failed.']);
        }

        /**
         * Remove the specified resource from storage.
         *
         * @param int $id
         *
         * @return Renderable
         */
        public function destroy(Province $province)
        {
            if (is_null($this->user) || !$this->user->can($this->module->alias . '.delete')) {
                abort(403, 'Sorry !! You are Unauthorized to delete any ' . $this->module->alias . ' !');
            }

            try {
                $province->delete();
                echo json_encode(['status' => 'success', 'message' => $this->module->name . ' province deleted successfully.']);
            } catch (Exception $e) {
                echo json_encode(['status' => 'error', 'message' => $this->module->name . ' province deleted failed.']);
            }
        }
    }