public SegmentsController(ISegmentsService segmentsService)
 {
     _segmentsService = segmentsService;
 }
 public SegmentsController(ISegmentsService segmentsService, ICoursesService coursesService, UserManager <ApplicationUser> userManager)
 {
     this.segmentsService = segmentsService;
     this.userManager     = userManager;
     this.coursesService  = coursesService;
 }
 public LessonsController(ILessonsService lessonsService, ISegmentsService segmentsService, UserManager <ApplicationUser> userManager)
 {
     this.lessonsService  = lessonsService;
     this.segmentsService = segmentsService;
     this.userManager     = userManager;
 }