public PurchasedMembershipsController(
     UserManager <ApplicationUser> userManager,
     IMembershipsService membershipsService,
     IPurchasedMembershipsService purchasedMembershipsService)
 {
     this.userManager                 = userManager;
     this.membershipsService          = membershipsService;
     this.purchasedMembershipsService = purchasedMembershipsService;
 }
 public MembershipModel(UserManager <ApplicationUser> userManager, IPurchasedMembershipsService purchasedMembershipsService)
 {
     this.userManager = userManager;
     this.purchasedMembershipsService = purchasedMembershipsService;
 }