public AuthenticationService(
     IUserProfileRepository userProfileRepository, 
     IUserProfileSocialService userProfileSocialService,
     UserManager<IdentityUser> userManager)
 {
     _userProfileRepository = userProfileRepository;
     _userProfileSocialService = userProfileSocialService;
     _userManager = userManager;
 }
 public AuthenticationService(
     IUserProfileRepository userProfileRepository,
     IUserProfileSocialService userProfileSocialService,
     UserManager <IdentityUser> userManager)
 {
     _userProfileRepository    = userProfileRepository;
     _userProfileSocialService = userProfileSocialService;
     _userManager = userManager;
 }