public IActionResult GetPhotosForRover(long roverId, [FromQuery] string photoDate)
{
var rover = _context.Rover.Find(roverId);
var photoDateEntity = _context.PhotoDate.AsNoTracking().Where(x => x.EarthDate == photoDate).SingleOrDefault();
if (rover != null)
{
if (photoDateEntity != null)
{
//Look in Db first
var roverPhotos = _context.RoverPhoto.AsNoTracking().Where(x => x.RoverId == roverId && x.PhotoDateId == photoDateEntity.PhotoDateId).ToList();
if (roverPhotos.Count() > 0)
{
return(Ok(roverPhotos));
}
else
{
DateTime date = DateTime.Parse(photoDate);
List <Repository.EntityModels.RoverPhoto> addRoverPhotos = new List <Repository.EntityModels.RoverPhoto>();
RoverPhotoPage roverPhotoPage = Task.Run(() => _nasaClient.GetRoverPhotos(rover.Name, date)).Result;
if (roverPhotoPage.Photos.Count > 0)
{
foreach (var photo in roverPhotoPage.Photos)
{
addRoverPhotos.Add(new Repository.EntityModels.RoverPhoto
{
RoverId = rover.RoverId,
RoverCameraInfo = JsonConvert.SerializeObject(photo.Camera),
PhotoUrl = photo.ImageUrl,
PhotoDateId = photoDateEntity.PhotoDateId
});
}
_context.RoverPhoto.AddRange(addRoverPhotos);
_context.SaveChanges();
}
return(Ok(_context.RoverPhoto.AsNoTracking().Where(x => x.RoverId == roverId && x.PhotoDateId == photoDateEntity.PhotoDateId).ToList()));
}
}
else
{
return(NotFound("Date not found, please upload date from file"));
}
}
else
{
return(NotFound("Rover not found"));
}
}
public async Task <RoverPhotoPage> GetRoverPhotoPage(string rover, DateTime date, int page)
{
RoverPhotoPage photoPage = null;
var response = await _client.GetAsync($"https://api.nasa.gov/mars-photos/api/v1/rovers/{rover}/photos?earth_date={date.ToString("yyyy-M-d")}page={page}&api_key={_apiKey}");
if (response.IsSuccessStatusCode)
{
var responseContent = await response.Content.ReadAsStringAsync();
photoPage = JsonConvert.DeserializeObject <RoverPhotoPage>(responseContent);
}
return(photoPage); //TODO: handle when request is not successful in a better way
}
static void Main(string[] args)
{
var builder = new ConfigurationBuilder()
.SetBasePath(Directory.GetCurrentDirectory())
.AddJsonFile("appsettings.json");
var configuration = builder.Build();
string inputFilePath = Path.Combine(Directory.GetCurrentDirectory(), configuration["inputFileName"]);
Console.WriteLine($"Opening {inputFilePath}");
if (File.Exists(inputFilePath))
{
FileStream file = new FileStream(inputFilePath, FileMode.Open);
Console.WriteLine("Reading dates from input file.");
List <DateTime> inputDates = FileHandler.ReadDatesFromFile(file);
Console.WriteLine("Done.\n");
NasaClient nasaClient = new NasaClient(configuration["nasaApi:apiKey"]);
int pagesToRequest = ParseNumOfPagesToRequest(configuration["numOfPagesToRequest"]); //defaults to 1
Console.WriteLine("Getting rover manifests.");
Dictionary <string, RoverManifest> roverManifests = Task.Run(() => nasaClient.GetAllRoverManifests()).Result;
Console.WriteLine("Done.\n");
Dictionary <string, Dictionary <DateTime, List <RoverPhotoPage> > > roverPhotoPages = InitializeRoverPhotoPages(roverManifests, inputDates);
Console.WriteLine("Begin fetching photos");
foreach (var rover in roverManifests)
{
Console.WriteLine($"\tFetch photos for {rover.Key}");
foreach (var date in inputDates)
{
Console.WriteLine($"\t\t\tat {date.ToShortDateString()}");
if (date >= rover.Value.PhotoManifest.LandingDate && date <= rover.Value.PhotoManifest.RecentPhotoDate)
{
for (int i = 1; i <= pagesToRequest; i++)
{
Console.WriteLine($"\t\t\t\tPage {i}");
RoverPhotoPage photoPage = Task.Run(() => nasaClient.GetRoverPhotoPage(rover.Key, date, i)).Result;
roverPhotoPages[rover.Key][date].Add(photoPage);
}
}
}
Console.WriteLine();
}
Console.WriteLine("Download photos");
nasaClient.DownloadImagesForRovers(roverPhotoPages, Directory.GetCurrentDirectory());
Console.WriteLine("Done.");
Console.WriteLine("Writing Rover Photo Pages to output.json");
FileHandler.WriteRoverPhotoPagesToJson(roverPhotoPages);
Console.WriteLine("Done.\n");
}
Console.WriteLine("Enter key to exit.");
Console.ReadLine();
}
