Master/Http/Controllers/DistrictController.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\DistrictDataTable;
    use Modules\Master\Entities\Country;
    use Modules\Master\Entities\District;
    use Modules\Master\Http\Requests\District\StoreDistrictRequest;
    use Modules\Master\Http\Requests\District\UpdateDistrictRequest;

    class DistrictController extends Controller
    {
        protected $user;
        protected $model = District::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(DistrictDataTable $dataTable)
        {
            if (is_null($this->user) || !$this->user->can($this->module->alias . '.read')) {
                abort(403, 'Sorry !! You are Unauthorized to view any ' . $this->module->alias . ' !');
            }
            addVendor('chained-select');
            $countries = Country::all();
            return $dataTable->render($this->module->alias . '::district.index', compact('countries'));
        }

        /**
         * Store a newly created resource in storage.
         *
         * @param Request $request
         *
         * @return Renderable
         */
        public function store(StoreDistrictRequest $request)
        {
            if (is_null($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 District...
            if ($validated) {
                try {
                    $this->model::create($validated);
                    echo json_encode(['status' => 'success', 'message' => $this->module->name . ' district created successfully.']);
                } catch (Exception $e) {
                    echo json_encode(['status' => 'error', 'message' => $this->module->name . ' district created failed.'. $e]);
                }
                return;
            }

            echo json_encode(['status' => 'error', 'message' => $this->module->name . ' district 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 specified resource.
         *
         * @param int $id
         *
         * @return Renderable
         */
        public function show($id)
        {
            if(is_null($this->user) || !$this->user->can($this->module->alias . '.read')) {
                abort(403, 'Sorry !! You are Unauthorized to view 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 = $this->model::with('city.province')->find($id);
            echo json_encode($data);
        }

        /**
         * Update the specified resource in storage.
         *
         * @param Request $request
         * @param int     $id
         *
         * @return Renderable
         */
        public function update(UpdateDistrictRequest $request, District $district)
        {
            if (is_null($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 District...
            if ($validated) {
                try {
                    $district->update($validated);
                    echo json_encode(['status' => 'success', 'message' => $this->module->name . ' district updated successfully.']);
                } catch (Exception $e) {
                    echo json_encode(['status' => 'error', 'message' => $this->module->name . ' district updated failed.']);
                }
                return;
            }

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

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

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