/// <summary> /// this method is used to add new department in the database /// </summary> /// <param name="departmentDetails">data of new department</param> /// <returns>returns newly added object</returns> public async Task <DepartmentUpdateDto> AddDepartmentsAsync(DepartmentCreateDto departmentDetails) { var getDepartment = await _departmentRepository.GetDepartmentByNameAsync(departmentDetails.Name); if (getDepartment == null) { var newDepartment = new Department { Name = departmentDetails.Name, IsDeleted = false }; _departmentRepository.AddDepartments(newDepartment); await _departmentRepository.SaveChangesAsync(); return(new DepartmentUpdateDto { Name = newDepartment.Name, Id = newDepartment.Id }); } else { if (getDepartment.IsDeleted == true) { getDepartment.IsDeleted = false; await _departmentRepository.SaveChangesAsync(); return(new DepartmentUpdateDto { Name = getDepartment.Name, Id = getDepartment.Id }); } else { return(null); } } }