public static (Coordinate[], string[]) GetHotelLocations(PostInput data)
{
try
{
if (data.Keywords == null)
{
data.Keywords = new string[0];
}
string[] popo = new string[0];
string[] popo2 = new string[0];
GoogleVisionResult res = new GoogleVisionResult();
if (data.Image != null && data.Image != "")
{
string desc = ApiInterface.MicrosoftVision(data.Image);
//string[] popo = ApiInterface.MicrosoftKeywords(desc);
res = ApiInterface.GoogleVision(data.Image);
popo2 = res.descriptions.SelectMany(x => ApiInterface.MicrosoftKeywords(x)).ToArray();
}
string[] safakeys = data.Keywords.Select(x => x.ToLower().Trim()).ToArray();
string[] allkeys = data.Keywords.Concat(popo).Concat(popo2).Select(x => x.ToLower().Trim()).ToArray();
string[] imgkeys = popo.Concat(popo2).Select(x => x.ToLower().Trim()).ToArray();
string[] cities = new string[] { ApiInterface.GetCity(allkeys), ApiInterface.GetCity(safakeys), ApiInterface.GetCity(imgkeys) };
var locations = new List <Coordinate>();
if (res.HasCoordinates)
{
locations.Add(new Coordinate()
{
lat = res.Latitude, lng = res.Longitude
});
}
locations.AddRange(cities.Where(x => x != "").Select(x => ApiInterface.GetLocation(x)));
return(locations.ToArray(), cities);
}
catch
{
return(new Coordinate[0], new string[0]);
}
}
public static GoogleVisionResult GoogleVision(string base64image)
{
if (base64image == "")
{
return(new GoogleVisionResult());
}
try
{
var httpWebRequest = (HttpWebRequest)WebRequest.Create("https://vision.googleapis.com/v1/images:annotate?key=AIzaSyBdN2xmcmCIcp2JC7Zdc_aVBr-XVX83seU");
httpWebRequest.ContentType = "application/json";
httpWebRequest.Method = "POST";
using (var streamWriter = new StreamWriter(httpWebRequest.GetRequestStream()))
{
string json = $@"{{
""requests"": [
{{
""image"": {{
""content"" : ""{base64image}""
}},
""features"": [
{{
""type"": ""LANDMARK_DETECTION"",
""maxResults"": 1
}},
{{
""type"": ""WEB_DETECTION"",
""maxResults"": 2
}}
]
}}
]
}}";
streamWriter.Write(json);
}
var httpResponse = (HttpWebResponse)httpWebRequest.GetResponse();
using (var streamReader = new StreamReader(httpResponse.GetResponseStream()))
{
var result = streamReader.ReadToEnd();
JObject data = JObject.Parse(result);
GoogleVisionResult gres = new GoogleVisionResult();
gres.descriptions = new string[0];
gres.HasCoordinates = false;
try
{
var essek = data["responses"][0]["landmarkAnnotations"][0]["locations"][0]["latLng"];
gres.Latitude = Convert.ToDouble(essek["latitude"]);
gres.Longitude = Convert.ToDouble(essek["longitude"]);
gres.HasCoordinates = true;
}
catch
{ }
try
{
var essek = data["responses"][0]["webDetection"]["webEntities"];
gres.descriptions = essek.Select(x => x["description"].ToString()).ToArray();
}
catch { }
return(gres);
}
}
catch
{
return(null);
}
}
