// if ut is a valid update
// return false if update is invalid
public static bool IsValidToUpdate(this CompanyModel company)
{
// check ID input
if (company.Id == Guid.Empty)
{
return(false);
}
var companyToCompare = MvcApplication.Companies.First(x => x.Id == company.Id);
// check if there is data to update
if (company.Name.Equals(companyToCompare.Name) &&
company.Type == companyToCompare.Type &&
company.ParentCompanyId == companyToCompare.ParentCompanyId &&
company.Earnings.Equals(companyToCompare.Earnings))
{
return(false);
}
// is valid subsidiary company
if (company.Type == CompanyTypes.Subsidiary && companyToCompare.HasChildCompany)
{
return(false);
}
// check if a parent company can have a main company as a child
if (company.Type == CompanyTypes.Main && company.IsWithParent(CompanyAction.Update))
{
return(false);
}
return(true);
}
// is a company to be added is valid
public static bool IsValidToAdd(this CompanyModel company)
{
if (company.Name.Equals(String.Empty))
{
return(false);
}
if (company.Type == CompanyTypes.Main && company.IsWithParent(CompanyAction.Add))
{
company.ParentCompanyId = null;
}
return(true);
}
