// Matt Visual Search Part 1
public static void CallBingVisualSearchAPI()
{
try
{
// Get the file name
Console.WriteLine("Please enter a file name:");
var imagePath = Console.ReadLine();
// Get the website filter
Console.WriteLine("Please enter in a website to filter to:");
var site = Console.ReadLine();
if (File.Exists(imagePath))
{
var fileName = new FileInfo(imagePath).Name;
Console.WriteLine("Getting image Insights for image: " + fileName);
var query = new BingVisualSearchQuery(new FileStream(imagePath, FileMode.Open), Constants.BING_VISUAL_SEARCH_KEY, site, "en-US");
var result = BingVisualSearchService.CallVisualSearchAPI(query).Result;
ExportJSON(JsonConvert.SerializeObject(result));
Console.WriteLine("\nPress Enter to exit ");
Console.ReadLine();
}
else
{
Console.WriteLine("Invalid Image Path");
Console.ReadLine();
}
}
catch (Exception ex)
{
Console.WriteLine("Error: " + ex.Message);
Console.ReadLine();
throw;
}
}
public static async Task <BingVisualSearchResponse> CallVisualSearchAPI(BingVisualSearchQuery query)
{
var url = ApiEndpoints.VISUAL_SEARCH_URL +
"mkt=" + query.Mkt +
"&safeSearch=" + query.SafeSearch +
"&setLang=" + query.SetLang;
byte[] imageBinary = null;
using (MemoryStream ms = new MemoryStream())
{
query.FileStream.CopyTo(ms);
imageBinary = ms.ToArray();
}
var boundary = string.Format("batch_{0}", Guid.NewGuid());
var content = new MultipartFormDataContent(boundary)
{
{ new ByteArrayContent(imageBinary), "image", "myimage" }
};
var kb = JsonConvert.SerializeObject(BuildKnowledgeRequest(query.Site, null));
content.Add(new StringContent(kb, Encoding.UTF8, "application/json"), "knowledgeRequest");
using (var bClient = new BingHttpClient(query.SearchKey))
{
var httpResponseMessage = await bClient.PostAsync(url, content);
if (httpResponseMessage.IsSuccessStatusCode)
{
var responseContent = httpResponseMessage.Content.ReadAsStringAsync().Result;
return(JsonConvert.DeserializeObject <BingVisualSearchResponse>(responseContent));
}
else
{
throw new InvalidOperationException("An error occurred fetching the results from the video service");
}
}
}
