private void ProceesDetailResponse(string jsonResult, ImageDetailResponse imageDetailResponse)
{
var resultJObject = JObject.Parse(jsonResult);
var result = resultJObject.ToObject <FlickrDetailResponse>();
if (result.stat == "ok")
{
imageDetailResponse.HasError = false;
imageDetailResponse.ErrorMessage = null;
imageDetailResponse.Owner = result.photo.owner.username;
imageDetailResponse.Title = result.photo.title._content;
imageDetailResponse.Tags = result.photo.tags.tag.Select(a => a._content).ToArray();
imageDetailResponse.Urls = result.photo.urls.url.Select(a => a._content).ToArray();
imageDetailResponse.ThumbnailUrl = result.photo.thumbnailUrl;
}
else
{
imageDetailResponse.HasError = true;
imageDetailResponse.ErrorMessage = $"request Failed with code: { (result.code.HasValue ? result.code.Value.ToString() : "") }, message: { result.message }";
}
}
public IActionResult getImageDetail([FromBody] ImageDetailRequest meta)
{
var imageDetailResponse = new ImageDetailResponse();
if (string.IsNullOrWhiteSpace(meta.ImageId))
{
imageDetailResponse.HasError = true;
imageDetailResponse.ErrorMessage = "imageId must be supplied.";
var errorResponse = new ObjectResult(imageDetailResponse);
errorResponse.StatusCode = 200;
return(errorResponse);
}
var cacheKey = GetMD5Hash(meta.ImageId);
string cacheResult = "";
if (EnableCaching)
{
cacheResult = _distributedCache.GetString(cacheKey);
}
if (!string.IsNullOrEmpty(cacheResult))
{
ProceesDetailResponse(cacheResult, imageDetailResponse);
}
else
{
using (HttpClient client = new HttpClient())
{
client.BaseAddress = new Uri("https://api.flickr.com/");
client.DefaultRequestHeaders.Accept.Clear();
client.DefaultRequestHeaders.Accept.Add(
new MediaTypeWithQualityHeaderValue("application/json"));
var querySuffix = makeDetailQuerySuffic(meta);
HttpResponseMessage flickrResponse = client.GetAsync(querySuffix).Result;
if (flickrResponse.IsSuccessStatusCode)
{
string jsonResult = flickrResponse.Content.ReadAsStringAsync().Result;
ProceesDetailResponse(jsonResult, imageDetailResponse);
if (!imageDetailResponse.HasError)
{
if (EnableCaching)
{
var options = new DistributedCacheEntryOptions().SetSlidingExpiration(TimeSpan.FromSeconds(CacheSeconds));
_distributedCache.SetString(cacheKey, jsonResult, options);
}
}
}
else
{
imageDetailResponse.HasError = true;
imageDetailResponse.ErrorMessage = $"request Failed with statusCode: { flickrResponse.StatusCode.ToString() }, reason: { flickrResponse.ReasonPhrase }";
}
}
}
var response = new ObjectResult(imageDetailResponse);
response.StatusCode = 200;
return(response);
}