//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);
}