public static IVsSqmMulti TryGetSqmService(string baseDirectory)
{
IVsSqmMulti result = null;
Guid rsid = new Guid("2508FDF0-EF80-4366-878E-C9F024B8D981");
Guid riid = new Guid("B17A7D4A-C1A3-45A2-B916-826C3ABA067E");
QueryServiceDelegate queryService = TryGetSqmServiceDelegate(baseDirectory);
if (queryService != null)
{
try
{
queryService(ref rsid, ref riid, out result);
}
catch (Exception e)
{
Debug.Assert(false, string.Format("Could not get SQM service or have SQM related errors: {0}", e.ToString()));
return(null);
}
}
return(result);
}
/// <summary>
/// Queries the configured services
/// </summary>
/// <param name="selectedTemperatureUnitId">Id of the selected temperature UOM</param>
/// <param name="selectedWindSpeedUnitId">Id of the selected temperature UOM</param>
/// <param name="location">The location being searched</param>
/// <param name="queryServiceDelegate">Callback for querying a service</param>
public async Task <QueryResults> QueryServices(int selectedTemperatureUnitId, int selectedWindSpeedUnitId, string location, QueryServiceDelegate queryServiceDelegate = null)
{
if (queryServiceDelegate == null)
{
queryServiceDelegate = new QueryServiceDelegate(QueryService);
}
QueryResults returnValue = new QueryResults()
{
ServicesOffline = 0,
TotalServices = 0,
TemperatureResult = 0,
TemperatureUOM = WeatherTestDb.TemperatureUom.FirstOrDefault(i => i.Id == selectedTemperatureUnitId).Title,
WindSpeedResult = 0,
WindSpeedUOM = WeatherTestDb.WindSpeedUom.FirstOrDefault(i => i.Id == selectedWindSpeedUnitId).Title
};
IEnumerable <WeatherService> services = WeatherTestDb.WeatherService;
returnValue.TotalServices = services.Count();
List <decimal> temperatures = new List <decimal>();
List <decimal> windSpeeds = new List <decimal>();
foreach (WeatherService service in services)
{
try
{
ServiceResult serviceResult = await queryServiceDelegate(service, location);
if (selectedTemperatureUnitId != service.TemperatureUomid)
{
TemperatureConversion conversion = WeatherTestDb.TemperatureConversion.First(i =>
i.FromTemperatureUomid == service.TemperatureUomid &&
i.ToTemperatureUomid == selectedTemperatureUnitId);
string calculation = string.Format(conversion.Formula.Replace("{value}", "{0}"), serviceResult.TemperatureResult);
serviceResult.TemperatureResult = EvaluateExpression(calculation);
}
temperatures.Add(serviceResult.TemperatureResult);
if (selectedWindSpeedUnitId != service.WindSpeedUomid)
{
WindSpeedConversion conversion = WeatherTestDb.WindSpeedConversion.First(i =>
i.FromWindSpeedUomid == service.WindSpeedUomid &&
i.ToWindSpeedUomid == selectedWindSpeedUnitId);
string calculation = string.Format(conversion.Formula.Replace("{value}", "{0}"), serviceResult.WindSpeedResult);
serviceResult.WindSpeedResult = EvaluateExpression(calculation);
}
windSpeeds.Add(serviceResult.WindSpeedResult);
}
catch (HttpRequestException)
{
returnValue.ServicesOffline++;
}
}
if (temperatures.Count > 0)
{
returnValue.TemperatureResult = temperatures.Average();
}
if (windSpeeds.Count > 0)
{
returnValue.WindSpeedResult = windSpeeds.Average();
}
return(returnValue);
}