private ESRI.ArcGIS.OSM.OSMClassExtension.node CreateNodeRepresentation(IFeatureClass pointFeatureClass, string action, long osmID, string osmChangeSetID, int osmVersion, IPoint deletePoint, int extensionVersion)
{
node nodeRepresentation = new node();
// let's find all the rows that have a different status than 200 - meaning success
IQueryFilter queryFilter = new QueryFilterClass();
queryFilter.WhereClause = pointFeatureClass.WhereClauseByExtensionVersion(osmID, "OSMID", extensionVersion);
using (ComReleaser comReleaser = new ComReleaser())
{
IFeatureCursor searchCursor = pointFeatureClass.Search(queryFilter, false);
comReleaser.ManageLifetime(searchCursor);
IFeature pointFeature = searchCursor.NextFeature();
int osmTagsFieldIndex = pointFeatureClass.Fields.FindField("osmTags");
int osmIDFieldIndex = pointFeatureClass.Fields.FindField("osmID");
int osmUserFieldIndex = pointFeatureClass.Fields.FindField("osmuser");
int osmUIDFieldIndex = pointFeatureClass.Fields.FindField("osmuid");
int osmVisibleFieldIndex = pointFeatureClass.Fields.FindField("osmvisible");
int osmVersionFieldIndex = pointFeatureClass.Fields.FindField("osmversion");
IPoint pointGeometry = null;
if (pointFeature != null)
{
switch (action)
{
case "create":
// the newly created node needs to carry the changeset info, the coordinate and the tags
nodeRepresentation.changeset = osmChangeSetID;
pointGeometry = pointFeature.Shape as IPoint;
pointGeometry.Project(m_wgs84);
nodeRepresentation.lat = Convert.ToString(pointGeometry.Y, new CultureInfo("en-US"));
nodeRepresentation.lon = Convert.ToString(pointGeometry.X, new CultureInfo("en-US"));
tag[] tags = null;
if (osmTagsFieldIndex > -1)
{
tags = _osmUtility.retrieveOSMTags((IRow)pointFeature, osmTagsFieldIndex, ((IDataset)pointFeatureClass).Workspace);
}
List<tag> valueOnlyTags = new List<tag>();
for (int index = 0; index < tags.Length; index++)
{
if (!String.IsNullOrEmpty(tags[index].v))
{
valueOnlyTags.Add(tags[index]);
}
}
nodeRepresentation.tag = valueOnlyTags.ToArray();
if (osmIDFieldIndex > -1)
{
nodeRepresentation.id = Convert.ToString(pointFeature.get_Value(osmIDFieldIndex), new CultureInfo("en-US"));
}
break;
case "modify":
// for an update the complete (full) node needs to be returned
nodeRepresentation.changeset = osmChangeSetID;
pointGeometry = pointFeature.Shape as IPoint;
pointGeometry.Project(m_wgs84);
nodeRepresentation.lat = Convert.ToString(pointGeometry.Y, new CultureInfo("en-US"));
nodeRepresentation.lon = Convert.ToString(pointGeometry.X, new CultureInfo("en-US"));
if (osmIDFieldIndex > -1)
{
nodeRepresentation.id = Convert.ToString(pointFeature.get_Value(osmIDFieldIndex), new CultureInfo("en-US"));
}
if (osmUserFieldIndex > -1)
{
nodeRepresentation.user = Convert.ToString(pointFeature.get_Value(osmUserFieldIndex));
}
if (osmUIDFieldIndex > -1)
{
nodeRepresentation.uid = Convert.ToString(pointFeature.get_Value(osmUIDFieldIndex), new CultureInfo("en-US"));
}
if (osmVisibleFieldIndex > -1)
{
try
{
nodeRepresentation.visible = (nodeVisible)Enum.Parse(typeof(nodeVisible), Convert.ToString(pointFeature.get_Value(osmVisibleFieldIndex)));
}
catch
{
nodeRepresentation.visible = nodeVisible.@true;
}
}
if (osmVersionFieldIndex > -1)
{
nodeRepresentation.version = Convert.ToString(pointFeature.get_Value(osmVersionFieldIndex));
}
tags = null;
if (osmTagsFieldIndex > -1)
{
tags = _osmUtility.retrieveOSMTags((IRow)pointFeature, osmTagsFieldIndex, ((IDataset)pointFeatureClass).Workspace);
}
valueOnlyTags = new List<tag>();
for (int index = 0; index < tags.Length; index++)
{
if (!String.IsNullOrEmpty(tags[index].v))
{
valueOnlyTags.Add(tags[index]);
}
}
nodeRepresentation.tag = valueOnlyTags.ToArray();
break;
case "delete":
nodeRepresentation.changeset = osmChangeSetID;
nodeRepresentation.id = Convert.ToString(osmID);
nodeRepresentation.version = Convert.ToString(osmVersion);
pointGeometry = pointFeature.Shape as IPoint;
pointGeometry.Project(m_wgs84);
nodeRepresentation.lat = Convert.ToString(pointGeometry.Y, new CultureInfo("en-US"));
nodeRepresentation.lon = Convert.ToString(pointGeometry.X, new CultureInfo("en-US"));
break;
default:
break;
}
}
else
{
if (action.Equals("delete", StringComparison.InvariantCultureIgnoreCase))
{
nodeRepresentation.changeset = osmChangeSetID;
nodeRepresentation.id = Convert.ToString(osmID);
nodeRepresentation.version = Convert.ToString(osmVersion);
if (deletePoint != null)
{
deletePoint.Project(m_wgs84);
nodeRepresentation.lat = Convert.ToString(deletePoint.Y, new CultureInfo("en-US"));
nodeRepresentation.lon = Convert.ToString(deletePoint.X, new CultureInfo("en-US"));
}
else
{
nodeRepresentation = null;
}
}
}
}
return nodeRepresentation;
}
private node ConvertPointFeatureToOSMNode(IFeature currentFeature, IWorkspace featureWorkspace, int tagsFieldIndex, int osmIDFieldIndex, int changesetIDFieldIndex, int osmVersionFieldIndex, int userIDFieldIndex, int userNameFieldIndex, int timeStampFieldIndex, int visibleFieldIndex, int extensionVersion)
{
if (currentFeature == null)
throw new ArgumentNullException("currentFeature");
node osmNode = new node();
object featureValue = DBNull.Value;
if (currentFeature.Shape.IsEmpty == false)
{
IPoint wgs84Point = currentFeature.Shape as IPoint;
wgs84Point.Project(m_wgs84);
NumberFormatInfo exportCultureInfo = new CultureInfo("en-US", false).NumberFormat;
exportCultureInfo.NumberDecimalDigits = 6;
osmNode.lat = wgs84Point.Y.ToString("N", exportCultureInfo);
osmNode.lon = wgs84Point.X.ToString("N", exportCultureInfo);
Marshal.ReleaseComObject(wgs84Point);
}
if (osmIDFieldIndex != -1)
{
osmNode.id = Convert.ToString(currentFeature.get_Value(osmIDFieldIndex));
}
if (changesetIDFieldIndex != -1)
{
featureValue = currentFeature.get_Value(changesetIDFieldIndex);
if (featureValue != DBNull.Value)
{
osmNode.changeset = Convert.ToString(currentFeature.get_Value(changesetIDFieldIndex));
}
}
if (osmVersionFieldIndex != -1)
{
featureValue = currentFeature.get_Value(osmVersionFieldIndex);
if (featureValue != DBNull.Value)
{
osmNode.version = Convert.ToString(featureValue);
}
}
if (userIDFieldIndex != -1)
{
featureValue = currentFeature.get_Value(userIDFieldIndex);
if (featureValue != DBNull.Value)
{
osmNode.uid = Convert.ToString(featureValue);
}
}
if (userNameFieldIndex != -1)
{
featureValue = currentFeature.get_Value(userNameFieldIndex);
if (featureValue != DBNull.Value)
{
osmNode.user = Convert.ToString(featureValue);
}
}
if (timeStampFieldIndex != -1)
{
featureValue = currentFeature.get_Value(timeStampFieldIndex);
if (featureValue != DBNull.Value)
{
osmNode.timestamp = Convert.ToDateTime(featureValue).ToUniversalTime().ToString("u");
}
}
if (visibleFieldIndex != -1)
{
featureValue = currentFeature.get_Value(visibleFieldIndex);
if (featureValue != DBNull.Value)
{
try
{
osmNode.visible = (nodeVisible)Enum.Parse(typeof(nodeVisible), Convert.ToString(featureValue));
}
catch
{
osmNode.visible = nodeVisible.@true;
}
}
}
if (tagsFieldIndex > -1)
{
tag[] tags = null;
tags = _osmUtility.retrieveOSMTags((IRow)currentFeature, tagsFieldIndex, featureWorkspace);
if (tags.Length != 0)
{
osmNode.tag = tags;
}
}
return osmNode;
}