//Constructor injection
        public SpannerDataViewModel(IHttpContextAccessor httpContext, IFlightSpannersData flightSpannersData)
        {
            //IServiceProvider services = HttpContext.RequestServices;
            //[Optional] [FromServices]
            //var log = (IOrganizerData)services.GetService(typeof(IOrganizerData));

            string code = httpContext.HttpContext.User.FindFirst(ClaimTypes.NameIdentifier).Value;

            //Return the spanner based on the code
            var spanner = flightSpannersData.GetSpannerByCode(code);

            this.SpannerCode            = spanner.SpannerCode;
            this.SpannerLicenseNo       = spanner.SpannerLicenseNo;
            this.GroupName              = spanner.GroupName;
            this.SpannerEmail           = spanner.SpannerEmail;
            this.SpannerFName           = spanner.SpannerFName;
            this.SpannerLName           = spanner.SpannerLName;
            this.SpannerM1Name          = spanner.SpannerM1Name;
            this.SpannerM2Name          = spanner.SpannerM2Name;
            this.SpannerMobile1         = spanner.SpannerMobile1;
            this.SpannerMobile2         = spanner.SpannerMobile2;
            this.SpannerGender          = spanner.SpannerGender;
            this.SpannerBirthday        = spanner.SpannerBirthday;
            this.DepartmentName         = spanner.DepartmentName;
            this.SpannerHireDate        = spanner.SpannerHireDate;
            this.IsSpannerViewGroupData = spanner.IsSpannerViewGroupData;
            this.IsSpannerHasCar        = spanner.IsSpannerHasCar;

            ////Get the Qualification of the spanner using GetQualificationSpanner(code) method
            this.SpannerQualification = flightSpannersData.GetQualificationOfSpanner(code);

            //Get the ApprovalList item of the model using GetApprovalSelectListItems(code) method
            this.ApprovalList = flightSpannersData.GetApprovalSelectListItems(code);
        }