private async Task <IActionResult> ByTag()
{
var responseBody = new FlickrRoot();
do
{
var response = await _http.GetAsync(BuildByTagQuery(responseBody.Photos.Page));
responseBody = JsonConvert.DeserializeObject <FlickrRoot>(await response.Content.ReadAsStringAsync());
await HandleRequestAsync(responseBody, response);
} while (responseBody.Photos.Page < responseBody.Photos.Pages);
return(new OkResult());
}
private async Task HandleRequestAsync(FlickrRoot responseBody, HttpResponseMessage response)
{
var newPhotos = new List <string>();
var dbPhotos = await GetPhotosFromCache();
foreach (var photo in responseBody.Photos.Photo)
{
if (dbPhotos.Find(el => el.Id == photo.Id) == null)
{
newPhotos.Add(CreatePhotoUrl(photo));
await _context.AddAsync(photo);
}
}
await _faceService.AnalyzePhotos(newPhotos);
await _context.SaveChangesAsync();
_memoryCache.Remove("FlickrPhotos");
}
