/// <summary>
/// Get aggregated time series data for one aspect of an asset
/// </summary>
public async Task <IEnumerable <T> > GetAggregateTimeSeriesAsync <T>(GetAggregateTimeSeriesRequest request) where T : AggregateSet
{
string uri = GetUri(request);
string response = await HttpActionAsync(HttpMethod.Get, uri);
var tsAggregateWrapper = JsonConvert.DeserializeObject <AggregateWrapper <T> >(response);
var tsAggregate = tsAggregateWrapper.Aggregates;
return(tsAggregate);
}
/// <summary>
/// Generate URI for time series aggregation request
/// </summary>
private string GetUri(GetAggregateTimeSeriesRequest request)
{
// prepare query string
string queryString = "?";
queryString += request.AssetId != null ? $"assetId={request.AssetId}&" : "";
queryString += request.AspectName != null ? $"aspectName={request.AspectName}&" : "";
queryString += request.From != null ? $"from={Helper.GetDateTimeUtcString(request.From.Value)}& " : "";
queryString += request.To != null ? $"to={Helper.GetDateTimeUtcString(request.To.Value)}&" : "";
queryString += request.IntervalValue != null ? $"intervalValue={request.IntervalValue}&" : "";
queryString += request.IntervalUnit != null ? $"intervalUnit={request.IntervalUnit}&" : "";
queryString += request.Select != null ? $"select={request.Select}&" : "";
queryString += request.Count != null ? $"count={request.Count}&" : "";
string uri = _baseUri + "/aggregates" + queryString;
return(uri);
}
