/// <summary> Return the city point of interest by id </summary>
private PointOfInterestDto GetPointOfInterest(CityDto city, int id)
{
var pointOfInterest = city.PointsOfInterest.FirstOrDefault(p => p.Id == id);
return(pointOfInterest);
}
public void Post(CityDto dto)
{
// this.context.Cities.Add(new City { Name = dto.Name, Description = dto.Description });
// this.context.SaveChanges();
}
public IActionResult CreateCity([FromBody] CityForCreationDto city)
{
//the new city is in the POST body with no id (which is generated by SQL)
if (city == null)
{
return(BadRequest());
}
//add custom validation before checking data annotation rules
if (city.Name == city.Description)
{
ModelState.AddModelError("Description", "The provided description must be different than the name.");
}
//validate data annotations on the model, returning error messages in the response
if (!ModelState.IsValid)
{
return(BadRequest(ModelState));
}
//begin hardcoded data
////create a new city and add it to the collection
//var maxCityId = CitiesDataStore.Current.Cities.Max(c => c.Id);
//var cityDto = new CityDto
//{
// Id = ++maxCityId, //make a fake new id
// Name = city.Name,
// Description = city.Description
//};
//CitiesDataStore.Current.Cities.Add(cityDto);
//end hardcoded data
//create a new entity
var cityEntity = new City
{
Name = city.Name,
Description = city.Description
};
//add entity and save to db
_cityInfoRepository.AddCity(cityEntity);
if (!_cityInfoRepository.Save())
{
return(StatusCode(500, "A problem happened while handling your request."));
}
//map entity to dto (method must return a dto, not an entity)
var cityDto = new CityDto
{
Id = cityEntity.Id, //save populated Id identity property
Name = cityEntity.Name,
Description = cityEntity.Description
};
//return a 201
//named route and parameters to get new City are used to build a url in the Location response header
//the City just created will be in response body
return(CreatedAtRoute("GetCity", new { id = cityDto.Id }, cityDto));
}
private PointOfInterestDto FindPointOfInterest(CityDto city, int id)
{
var pointOfInterestFromStore = city.PointsOfInterests.FirstOrDefault(p => p.Id == id);
return(pointOfInterestFromStore);
}
