Usermanager/Http/Controllers/Users/PermissionsController.php

<?php

    namespace Modules\Usermanager\Http\Controllers\Users;

    use App\Http\Controllers\Controller;
    use Exception;
    use Illuminate\Http\Request;
    use Illuminate\Support\Facades\Auth;
    use Modules\Usermanager\DataTables\PermissionsDataTable;
    use Modules\Usermanager\Entities\Permission;
    use Modules\Usermanager\Entities\PermissionGroup;

    class PermissionsController extends Controller
    {
        public $user;

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

        /**
         * Display a listing of the resource.
         *
         * @return \Illuminate\Http\Response
         */
        public function index(PermissionsDataTable $dataTable)
        {
            if (is_null($this->user) || !$this->user->can('permission.read')) {
                abort(403, 'Sorry !! You are Unauthorized to view any permission !');
            }
            return $dataTable->render('usermanager::users.permissions.index');
        }

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

            // Validation Data
            $validate = $request->validate([
                'name' => 'required|max:100|unique:permission_groups'
            ], [
                'name.requried' => 'Please give a permission name'
            ]);

            if ($validate) {
                try {
                    // Process Data
                    $group = PermissionGroup::create(['name' => $request->name]);

                    $group_name = strtolower($request->name);
                    $data       = [
                        $group_name . '.create',
                        $group_name . '.read',
                        $group_name . '.update',
                        $group_name . '.delete',
                        $group_name . '.authorize',
                        $group_name . '.report'
                    ];

                    foreach ($data as $permission) {

                        Permission::create([
                            'name'                => $permission,
                            'guard_name'          => 'web',
                            'permission_group_id' => $group->id
                        ]);
                    }

                    echo json_encode(['status' => 'success', 'message' => 'Permission created successfully.']);
                } catch (Exception $e) {
                    echo json_encode(['status' => 'error', 'message' => 'Permission created failed.']);
                }
            }

            return false;
        }

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

        }

        /**
         * 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)
        {
            if (is_null($this->user) || !$this->user->can('permission.update')) {
                abort(403, 'Sorry !! You are Unauthorized to edit any permission !');
            }

            $permission = PermissionGroup::find($id);
            echo json_encode($permission);
        }

        /**
         * Update the specified resource in storage.
         *
         * @param \Illuminate\Http\Request $request
         * @param int                      $id
         *
         * @return \Illuminate\Http\Response
         */
        public function update(Request $request, $id)
        {
            if (is_null($this->user) || !$this->user->can('permission.update')) {
                abort(403, 'Sorry !! You are Unauthorized to edit any permission !');
            }

            // Validation Data
            $validated = $request->validate([
                'name' => 'required|max:100|unique:permission_groups,name,' . $id
            ], [
                'name.requried' => 'Please give a permission name'
            ]);

            if ($validated) {
                try {
                    // Process Data
                    $group       = PermissionGroup::find($id);
                    $group->name = $request->name;

                    if ($group->save()) {
                        $group_name  = strtolower($request->name);
                        $permissions = Permission::where('permission_group_id', $group->id)->get();

                        $data = [
                            $group_name . '.create',
                            $group_name . '.read',
                            $group_name . '.update',
                            $group_name . '.delete',
                            $group_name . '.authorize',
                            $group_name . '.report'
                        ];

                        $i = 0;
                        foreach ($permissions as $permission) {
                            $permission->name = $data[$i];
                            $permission->save();

                            $i++;
                        }
                    }

                    echo json_encode(['status' => 'success', 'message' => 'Permission updated successfully.']);
                } catch (Exception $e) {
                    echo json_encode(['status' => 'error', 'message' => 'Permission updated failed.']);
                }
            }

            return false;
        }

        /**
         * Remove the specified resource from storage.
         *
         * @param int $id
         *
         * @return \Illuminate\Http\Response
         */
        public function destroy($id)
        {
            if (is_null($this->user) || !$this->user->can('permission.delete')) {
                abort(403, 'Sorry !! You are Unauthorized to delete any role !');
            }


            $permission = PermissionGroup::find($id);
            if (!is_null($permission)) {
                if ($permission->delete()) {
                    Permission::where('permission_group_id', $id)->delete();
                }
            }

            echo json_encode(['status' => 'success', 'message' => 'Permission deleted successfully.']);
        }
    }