Integrating BIM and IFC references in GAEB data

bim_definition.xml

<Ctlg>
  <CtlgID>ccf2cb97-1a00-43e5-bd3e-06248e384273</CtlgID>
  <CtlgType>miscellaneous</CtlgType>
  <CtlgName>Building.ifc</CtlgName>
</Ctlg>

bim_reference.xml

<Item ID="ID_be97206f-3020-411a-bd30-b38c9bb8bc88">
  <Qty>100</Qty>
  <QtySplit>
    <Qty>10</Qty>
    <CtlgAssign>
      <CtlgID>ccf2cb97-1a00-43e5-bd3e-06248e384273</CtlgID>
      <CtlgCode>04BUoi9FT31BWlyfND2MS2</CtlgCode>
    </CtlgAssign>
  </QtySplit>
  <QU>m³</QU>
  <Description>
    <span>Concrete</span>
  </Description>
</Item>

GAEB.xml

<?xml version="1.0" encoding="utf-8"?>
<!--Created with Dangl GAEB Tool, Copyright 2013 - 2019 Dangl IT GmbH, www.dangl-it.com, Version 1.6.2 (Built: 15.01.2019 19:00)-->
<GAEB xmlns="http://www.gaeb.de/GAEB_DA_XML/DA83/3.2">
  <GAEBInfo>
    <Version>3.2</Version>
    <VersDate>2013-10</VersDate>
    <Date>2019-01-16</Date>
    <Time>21:18:22</Time>
    <ProgSystem>Dangl GAEB Tool - www.dangl-it.com - Version 1.6.2</ProgSystem>
    <ProgName>Dangl.AVA.Converter www.dangl-it.com V2.0.2 ©2019</ProgName>
  </GAEBInfo>
  <Award>
    <DP>83</DP>
    <AwardInfo>
      <BoQID>2b8df9a7-e9c8-4d0f-af23-2a6f98d51e8f</BoQID>
    </AwardInfo>
    <BoQ ID="ID_8269b1bf-637a-4d59-b97d-08a04e1fbdfd">
      <BoQInfo>
        <Date>2019-01-16</Date>
        <OutlCompl>OutTxt</OutlCompl>
        <Ctlg>
          <CtlgID>9ba431d0-c9f8-4fa5-a947-22719e6e3d7c</CtlgID>
          <CtlgType>miscellaneous</CtlgType>
          <CtlgName>Building.ifc</CtlgName>
        </Ctlg>
      </BoQInfo>
      <BoQBody>
        <Itemlist>
          <Item ID="ID_cc65c998-6e30-4161-a584-063199e62a4e">
            <Qty>100</Qty>
            <QtySplit>
              <Qty>10</Qty>
              <CtlgAssign>
                <CtlgID>9ba431d0-c9f8-4fa5-a947-22719e6e3d7c</CtlgID>
                <CtlgCode>04BUoi9FT31BWlyfND2MS2</CtlgCode>
              </CtlgAssign>
            </QtySplit>
            <QU>m³</QU>
            <Description>
              <OutlineText>
                <OutlTSA>No</OutlTSA>
                <OutlTxt>
                  <TextOutlTxt>
                    <span>Concrete</span>
                  </TextOutlTxt>
                </OutlTxt>
              </OutlineText>
            </Description>
          </Item>
          <Item ID="ID_8b80d50b-9673-4757-981a-4618009281a5">
            <Qty>800</Qty>
            <QtySplit>
              <Qty>80</Qty>
              <CtlgAssign>
                <CtlgID>9ba431d0-c9f8-4fa5-a947-22719e6e3d7c</CtlgID>
                <CtlgCode>04BUoi9FT31BWlyfND2MS2</CtlgCode>
              </CtlgAssign>
            </QtySplit>
            <QU>m²</QU>
            <Description>
              <OutlineText>
                <OutlTSA>No</OutlTSA>
                <OutlTxt>
                  <TextOutlTxt>
                    <span>Casing</span>
                  </TextOutlTxt>
                </OutlTxt>
              </OutlineText>
            </Description>
          </Item>
          <Item ID="ID_353eb002-ffe2-4506-805a-9f06ec850639">
            <Qty>6000</Qty>
            <QtySplit>
              <Qty>600</Qty>
              <CtlgAssign>
                <CtlgID>9ba431d0-c9f8-4fa5-a947-22719e6e3d7c</CtlgID>
                <CtlgCode>04BUoi9FT31BWlyfND2MS2</CtlgCode>
              </CtlgAssign>
            </QtySplit>
            <QU>kg</QU>
            <Description>
              <OutlineText>
                <OutlTSA>No</OutlTSA>
                <OutlTxt>
                  <TextOutlTxt>
                    <span>Reinforcement Steel</span>
                  </TextOutlTxt>
                </OutlTxt>
              </OutlineText>
            </Description>
          </Item>
        </Itemlist>
      </BoQBody>
    </BoQ>
  </Award>
</GAEB>

GAEBCreation.cs

using Dangl.AVA.Contents;
using Dangl.AVA.Contents.ServiceSpecificationContents;
using System;
using System.IO;
using Xunit;

namespace Dangl.AVA.Converter.Tests.Utilities
{
    public class GaebWithBimConnectionFileGenerator
    {
        [Fact]
        public void GenerateTutorialFiles()
        {
            WriteFileToDisk("C:\\Output");
        }

        private void WriteFileToDisk(string outputPath)
        {
            var project = GetProject();
            var gaebXmlPath = Path.Combine(outputPath, "GAEBXML.X86");
            using (var fs = File.Create(gaebXmlPath))
            {
                var gaebFile = Converter.ConvertToGaeb(project, destinationType: DestinationGAEBType.GAEBXML_V3_2);
                using (var gaebXmlStream = GAEB.Writer.GAEBWriter.GetStream(gaebFile))
                {
                    gaebXmlStream.CopyTo(fs);
                }
            }
        }

        private Project GetProject()
        {
            var project = new Project();
            var servSpec = new ServiceSpecification();
            servSpec.ExchangePhase = ExchangePhase.OfferRequest;
            project.ServiceSpecifications.Add(servSpec);

            var ifcCatalogReferenceId = Guid.NewGuid();
            servSpec.ProjectCatalogues.Add(new Catalogue
            {
                CatalogueType = CatalogueType.Unknown,
                Description = "IFC BIM Model",
                Name = "Building.ifc",
                Id = ifcCatalogReferenceId
            });

            var concretePosition = new Position();
            concretePosition.ShortText = "Concrete";
            concretePosition.SetQuantity(100);
            concretePosition.UnitTag = "m³";
            var concreteQuantityForWall = new QuantityAssignment();
            concreteQuantityForWall.Quantity = 10m; // 10.0 of the total 100.0
            concreteQuantityForWall.CatalogueReferences.Add(new CatalogueReference
            {
                CatalogueReferenceId = ifcCatalogReferenceId,
                // The is the reference to the IFC Guid in the building model
                CatalogueReferenceKey = "04BUoi9FT31BWlyfND2MS2"
            });
            concretePosition.QuantityAssignments.Add(concreteQuantityForWall);
            servSpec.Elements.Add(concretePosition);

            var casingPosition = new Position();
            casingPosition.ShortText = "Casing";
            casingPosition.SetQuantity(800);
            casingPosition.UnitTag = "m²";
            var casingQuantityForWall = new QuantityAssignment();
            casingQuantityForWall.Quantity = 80m; // 80.0 of the total 800.0
            casingQuantityForWall.CatalogueReferences.Add(new CatalogueReference
            {
                CatalogueReferenceId = ifcCatalogReferenceId,
                // The is the reference to the IFC Guid in the building model
                CatalogueReferenceKey = "04BUoi9FT31BWlyfND2MS2"
            });
            casingPosition.QuantityAssignments.Add(casingQuantityForWall);
            servSpec.Elements.Add(casingPosition);

            var reinforcementPosition = new Position();
            reinforcementPosition.ShortText = "Reinforcement Steel";
            reinforcementPosition.SetQuantity(6000);
            reinforcementPosition.UnitTag = "kg";
            var reinforcementQuantityForWall = new QuantityAssignment();
            reinforcementQuantityForWall.Quantity = 600m; // 600.0 of the total 6000.0
            reinforcementQuantityForWall.CatalogueReferences.Add(new CatalogueReference
            {
                CatalogueReferenceId = ifcCatalogReferenceId,
                // The is the reference to the IFC Guid in the building model
                CatalogueReferenceKey = "04BUoi9FT31BWlyfND2MS2"
            });
            reinforcementPosition.QuantityAssignments.Add(reinforcementQuantityForWall);
            servSpec.Elements.Add(reinforcementPosition);

            return project;
        }
    }
}