ExtractedTimFrame BuildAlertFrame(string roadwayid, string text, DateTime startTime, int duration, double startMM, double endMM)
{
bool reversed = startMM > endMM;
if (reversed)
{
double swap = startMM;
startMM = endMM;
endMM = swap;
}
ExtractedTimFrame results = new ExtractedTimFrame(text, startTime, duration);
var dbAlertMileMarkers = srInfloDbContext.Configuration_RoadwayMileMarkers
.Where(r => r.RoadwayId.Equals(roadwayid));
//Snap to closest milemarkers by widening the alert.
try
{
startMM = dbAlertMileMarkers.Where(m => m.MMNumber <= startMM).OrderByDescending(m => m.MMNumber).First().MMNumber;
}
catch { }
try
{
endMM = dbAlertMileMarkers.Where(m => m.MMNumber >= endMM).OrderBy(m => m.MMNumber).First().MMNumber;
}
catch { }
dbAlertMileMarkers = dbAlertMileMarkers.Where(m => startMM <= m.MMNumber && m.MMNumber <= endMM);
if (reversed)
{
dbAlertMileMarkers = dbAlertMileMarkers.OrderByDescending(m => m.MMNumber);
}
else
{
dbAlertMileMarkers = dbAlertMileMarkers.OrderBy(m => m.MMNumber);
}
var dbAlertMileMarkersList = dbAlertMileMarkers.ToList();
List <ExtractedNodeList> alertPaths = new List <ExtractedNodeList>();
while (dbAlertMileMarkersList.Count() > 1)
{
var mmarkers = dbAlertMileMarkersList.GetRange(0, Math.Min(MileMarkersPerValidRegion, dbAlertMileMarkersList.Count()));
List <Extracted3DOffset> nodes = new List <Extracted3DOffset>();
if (reversed)
{
mmarkers.OrderByDescending(m => m.MMNumber).ToList().ForEach(m => nodes.Add(new Extracted3DOffset(m.Latitude2, m.Longitude2, m.MMNumber)));
}
else
{
mmarkers.OrderBy(m => m.MMNumber).ToList().ForEach(m => nodes.Add(new Extracted3DOffset(m.Latitude1, m.Longitude1, m.MMNumber)));
}
if (nodes.Count > 1)
{
ExtractedNodeList alertPath = new ExtractedNodeList(nodes.ToArray());
alertPaths.Add(alertPath);
}
dbAlertMileMarkersList.RemoveRange(0, mmarkers.Count() - 1);
}
results.setAlertPaths(alertPaths.ToArray());
return(results);
}
