// Gets a panorama ID from two coordinates
public string CoordinatesToPanorama(string coordinates, string apiKey)
{
// Checks if we have API access
if (!StreetViewApiEnabled)
{
return(null);
}
// Appends coordinates to panorma id
string newUrl = UrlVerification + coordinates + UrlApiKey + apiKey;
// Attempts to get the pano id from json found on the site
string jsonStr = DownloadStreetViewValidationData(newUrl);
// Gets the JSON responser object
GoogleResponser g = GetJsonObject(jsonStr);
// If we got null, return null string
if (g == null)
{
return(null);
}
// Gets our json stuff
string panoid = g.pano_id;
// Final verification
if (!string.IsNullOrEmpty(panoid))
{
return(panoid);
}
return(null);
}
//
// Privates methods methods
//
private GoogleResponser GetJsonObject(string jsonStr)
{
// Creates object to store JSON
GoogleResponser g = GoogleResponser.CreateFromJson(jsonStr);
// If the status isn't OK, the coordinates have no Streetview
if (g.status == "REQUEST_DENIED")
{
Debug.Log("Failed Google API Request: ");
Debug.Log(g.error_message);
throw new Exception(g.error_message);
}
else if (g.status == "INVALID_REQUEST")
{
Debug.Log("Failed Google API Request: ");
Debug.Log(g.error_message);
throw new Exception(g.error_message);
}
else if (g.status == "ZERO_RESULTS")
{
// This will happen pretty often so we don't
// want to throw an exception, just return nulll
return(null);
}
else if (g.status == "OK")
{
// This means we got the coordinates, can fully work with them
return(g);
}
else
{
return(null);
}
}