public static RiverFlowSnapshot MapFlowData(string usgsGaugeId, StreamFlow usgsStreamFlow)
{
// Current assumptions for simplicity
// 1) One site at a time though API supports multiple
// 2) One parameter value at a time (most recent) though API supports time period
var timeSeries = usgsStreamFlow.Value.GetTimeSeriesForSite(usgsGaugeId);
var snapshot = new RiverFlowSnapshot
{
AsOfUTC = DateTime.UtcNow,
Site = GetSiteInfo(timeSeries.FirstOrDefault()?.SourceInfo)
};
foreach (var ts in timeSeries)
{
var dataValue = GetDataValue(ts);
if (dataValue != null)
{
snapshot.Values.Add(dataValue);
}
}
if (!snapshot.Values.Any())
{
return(null);
}
return(snapshot);
}
public async Task SwipeChannel(bool toRight)
{
var currentChannelIndex = StreamFlow.IndexOf(StreamFlow.FirstOrDefault(a => a.Channel.ChannelId.Equals(CurrentStream.Channel.ChannelId)));
bool changed = false;
if (toRight && StreamFlow.Count - 1 != currentChannelIndex)
{ // Get next channel from right.
CurrentStream = StreamFlow[currentChannelIndex + 1];
changed = true;
}
else if (!toRight && currentChannelIndex != 0)
{ // Get previous channel from left.
CurrentStream = StreamFlow[currentChannelIndex - 1];
changed = true;
}
if (CurrentStream != null && changed)
{
await InitializeStreamByChannelName(CurrentStream.Channel.ChannelName);
}
}
