public async Task <Country> Create(Country country) { if (string.IsNullOrWhiteSpace(country.Name) || string.IsNullOrWhiteSpace(country.Population)) { return(null); } var newCountry = new Country() { Name = country.Name, Population = country.Population, Cities = country.Cities }; if (newCountry == null) { return(null); } await _db.Countries.AddAsync(newCountry); await _db.SaveChangesAsync(); return(newCountry); }
public async Task <CityWithCountryVM> Create(City city, Guid?countryId) { if (string.IsNullOrWhiteSpace(city.Name) || string.IsNullOrWhiteSpace(city.Population)) { return(null); } Country country = new Country(); country = null; if (countryId != null) { country = await _db.Countries.SingleOrDefaultAsync(x => x.Id == countryId); if (country == null) { return(null); } } var newCity = new City() { Name = city.Name, Population = city.Population, People = city.People, Country = country }; var cityVM = new CityWithCountryVM() { City = newCity, CountryId = country.Id, CountryName = country.Name, }; if (cityVM == null) { return(null); } await _db.Cities.AddAsync(cityVM.City); await _db.SaveChangesAsync(); cityVM.City.Country = null; return(cityVM); }
public async Task <Person> Create(Person person, Guid?cityId) { if (string.IsNullOrWhiteSpace(person.FirstName) || string.IsNullOrWhiteSpace(person.LastName) || string.IsNullOrWhiteSpace(person.Email) || string.IsNullOrWhiteSpace(person.Gender) || string.IsNullOrWhiteSpace(person.PhoneNumber)) { return(null); } City city = new City(); city = null; // Checks if the user picked a city when creating a person. If the user did, then it'll try to // Find the chosen city, if the city doesn't exist however, it returns a null. if (cityId != null) { city = await _db.Cities.SingleOrDefaultAsync(x => x.Id == cityId); if (city == null) { return(null); } } var newPerson = new Person() { FirstName = person.FirstName, LastName = person.LastName, Age = person.Age, Email = person.Email, PhoneNumber = person.PhoneNumber, Gender = person.Gender, City = city }; if (newPerson == null) { return(null); } await _db.People.AddAsync(newPerson); await _db.SaveChangesAsync(); return(newPerson); }