public MainViewModel(PageService pageService,
                      ICurrentUserService userService,
                      DbContextLoader loader,
                      PageAnimationService animationService)
 {
     this.animationService    = animationService;
     this.pageService         = pageService;
     this.userService         = userService;
     this.loader              = loader;
     pageService.PageChanged += PageService_PageChanged;
     userService.Autorized   += UserService_Autorized;
     userService.Exited      += UserService_Exited;
     userService.Skipped     += UserService_Skipped;
     pageService.ChangePage <Main.Pages.LoginPage>();
     Init();
 }
 public WorkersViewModel(PageAnimationService animationService, EmployeeForClientService employeeForClientService)
 {
     this.animationService = animationService;
     this.empService       = employeeForClientService;
     Init();
 }