public ProjectService(ApplicationDbContext context, EmployeeService employeeService, ContributionService contributionService)
 {
     this.context             = context;
     this.employeeService     = employeeService;
     this.contributionService = contributionService;
 }
 public ContributionService(ApplicationDbContext context, EmployeeService employeeService)
 {
     this.employeeService = employeeService;
     this.context         = context;
 }