public RoadNodeRecordProjection(RecyclableMemoryStreamManager manager, Encoding encoding)
{
if (manager == null)
{
throw new ArgumentNullException(nameof(manager));
}
if (encoding == null)
{
throw new ArgumentNullException(nameof(encoding));
}
When <Envelope <ImportedRoadNode> >(async(context, envelope, token) =>
{
var typeTranslation = RoadNodeType.Parse(envelope.Message.Type).Translation;
var dbaseRecord = new RoadNodeDbaseRecord
{
WK_OIDN = { Value = envelope.Message.Id },
WK_UIDN = { Value = envelope.Message.Id + "_" + envelope.Message.Version },
TYPE = { Value = typeTranslation.Identifier },
LBLTYPE = { Value = typeTranslation.Name },
BEGINTIJD = { Value = envelope.Message.Origin.Since },
BEGINORG = { Value = envelope.Message.Origin.OrganizationId },
LBLBGNORG = { Value = envelope.Message.Origin.Organization }
};
var point = GeometryTranslator.FromGeometryPoint(BackOffice.Core.GeometryTranslator.Translate(envelope.Message.Geometry));
var pointShapeContent = new PointShapeContent(point);
await context.RoadNodes.AddAsync(new RoadNodeRecord
{
Id = envelope.Message.Id,
ShapeRecordContent = pointShapeContent.ToBytes(manager, encoding),
ShapeRecordContentLength = pointShapeContent.ContentLength.ToInt32(),
DbaseRecord = dbaseRecord.ToBytes(manager, encoding),
BoundingBox = RoadNodeBoundingBox.From(pointShapeContent.Shape)
}, token);
});
When <Envelope <RoadNetworkChangesBasedOnArchiveAccepted> >(async(context, envelope, token) =>
{
foreach (var message in envelope.Message.Changes.Flatten())
{
switch (message)
{
case RoadNodeAdded node:
var typeTranslation = RoadNodeType.Parse(node.Type).Translation;
var dbaseRecord = new RoadNodeDbaseRecord
{
WK_OIDN = { Value = node.Id },
WK_UIDN = { Value = node.Id + "_0" }, // 1?
TYPE = { Value = typeTranslation.Identifier },
LBLTYPE = { Value = typeTranslation.Name },
BEGINTIJD = { Value = LocalDateTimeTranslator.TranslateFromWhen(envelope.Message.When) },
BEGINORG = { Value = envelope.Message.OrganizationId },
LBLBGNORG = { Value = envelope.Message.Organization }
};
var point = GeometryTranslator.FromGeometryPoint(BackOffice.Core.GeometryTranslator.Translate(node.Geometry));
var pointShapeContent = new PointShapeContent(point);
await context.RoadNodes.AddAsync(new RoadNodeRecord
{
Id = node.Id,
ShapeRecordContent = pointShapeContent.ToBytes(manager, encoding),
ShapeRecordContentLength = pointShapeContent.ContentLength.ToInt32(),
DbaseRecord = dbaseRecord.ToBytes(manager, encoding),
BoundingBox = RoadNodeBoundingBox.From(pointShapeContent.Shape)
}, token);
break;
}
}
});
}
public async Task WriteAsync(ZipArchive archive, BackOfficeContext context, CancellationToken cancellationToken)
{
if (archive == null)
{
throw new ArgumentNullException(nameof(archive));
}
if (context == null)
{
throw new ArgumentNullException(nameof(context));
}
var count = await context.RoadNodes.CountAsync(cancellationToken);
var dbfEntry = archive.CreateEntry("Wegknoop.dbf");
var dbfHeader = new DbaseFileHeader(
DateTime.Now,
DbaseCodePage.Western_European_ANSI,
new DbaseRecordCount(count),
RoadNodeDbaseRecord.Schema
);
using (var dbfEntryStream = dbfEntry.Open())
using (var dbfWriter =
new DbaseBinaryWriter(
dbfHeader,
new BinaryWriter(dbfEntryStream, _encoding, true)))
{
var dbfRecord = new RoadNodeDbaseRecord();
foreach (var data in context.RoadNodes.OrderBy(_ => _.Id).Select(_ => _.DbaseRecord))
{
dbfRecord.FromBytes(data, _manager, _encoding);
dbfWriter.Write(dbfRecord);
}
dbfWriter.Writer.Flush();
await dbfEntryStream.FlushAsync(cancellationToken);
}
var shpBoundingBox =
(await context.RoadNodeBoundingBox.SingleOrDefaultAsync(cancellationToken))?.ToBoundingBox3D()
?? new BoundingBox3D(0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0);
var info = await context.RoadNetworkInfo.SingleAsync(cancellationToken);
var shpEntry = archive.CreateEntry("Wegknoop.shp");
var shpHeader = new ShapeFileHeader(
new WordLength(info.TotalRoadNodeShapeLength),
ShapeType.Point,
shpBoundingBox);
using (var shpEntryStream = shpEntry.Open())
using (var shpWriter =
new ShapeBinaryWriter(
shpHeader,
new BinaryWriter(shpEntryStream, _encoding, true)))
{
var number = RecordNumber.Initial;
foreach (var data in context.RoadNodes.OrderBy(_ => _.Id).Select(_ => _.ShapeRecordContent))
{
shpWriter.Write(
ShapeContentFactory
.FromBytes(data, _manager, _encoding)
.RecordAs(number)
);
number = number.Next();
}
shpWriter.Writer.Flush();
await shpEntryStream.FlushAsync(cancellationToken);
}
var shxEntry = archive.CreateEntry("Wegknoop.shx");
var shxHeader = shpHeader.ForIndex(new ShapeRecordCount(count));
using (var shxEntryStream = shxEntry.Open())
using (var shxWriter =
new ShapeIndexBinaryWriter(
shxHeader,
new BinaryWriter(shxEntryStream, _encoding, true)))
{
var offset = ShapeIndexRecord.InitialOffset;
var number = RecordNumber.Initial;
foreach (var data in context.RoadNodes.OrderBy(_ => _.Id).Select(_ => _.ShapeRecordContent))
{
var shpRecord = ShapeContentFactory
.FromBytes(data, _manager, _encoding)
.RecordAs(number);
shxWriter.Write(shpRecord.IndexAt(offset));
number = number.Next();
offset = offset.Plus(shpRecord.Length);
}
shxWriter.Writer.Flush();
await shxEntryStream.FlushAsync(cancellationToken);
}
}