public DocumentMetadata Extract(CdaXmlDocument cdaDocument)
        {
            // Document code
            var documentCode = cdaDocument.GetCodableText(_documentXPaths.Get("DocumentCode"));

            // Effective time
            var effectiveDateTime = cdaDocument.GetDateTimeValue(_documentXPaths.Get("EffectiveTime"));

            // Document ID
            var documentId = cdaDocument.GetId(_documentXPaths.Get("DocumentId"));

            // Document Title from title field
            string title     = null;
            var    titleNode = cdaDocument.SelectSingleNode(_documentXPaths.Get("Title"));

            if (titleNode != null)
            {
                title = titleNode.InnerText;
            }

            Id linkId = cdaDocument.GetId(_documentXPaths.Get("LinkId"));

            var documentMetadata = new DocumentMetadata
            {
                TemplateId    = cdaDocument.TemplateId,
                DocumentCode  = documentCode,
                EffectiveTime = effectiveDateTime,
                DocumentId    = documentId,
                Title         = title,
                LinkId        = linkId
            };

            return(documentMetadata);
        }
        public DiagnosticImaging Extract(CdaXmlDocument cdaDocument)
        {
            var di = new DiagnosticImaging();

            var diDocNode = cdaDocument.SelectSingleNode(_documentXPaths.Get("DIDocument"));

            var diReportDateTime = cdaDocument.GetDateTimeValue(diDocNode, _documentXPaths.Get("DIReportDateTime"));

            if (diReportDateTime != null)
            {
                di.ReportDateTime = diReportDateTime.Value;
            }

            var diReportDescription = cdaDocument.SelectSingleNode(diDocNode, _documentXPaths.Get("DIReportDescription"));

            if (diReportDescription != null)
            {
                di.ReportDescription = diReportDescription.InnerText;
            }

            var diReportStatus = cdaDocument.GetCodableText(diDocNode, _documentXPaths.Get("DIReportStatus"));

            di.ReportStatus = diReportStatus;

            var diReportIntegrityCheck = cdaDocument.SelectSingleNode(diDocNode, _documentXPaths.Get("DIReportIntegrityCheck"));

            if (diReportIntegrityCheck != null)
            {
                di.ReportIntegrityCheck = diReportIntegrityCheck.Value;
            }

            var diReportMediaType = cdaDocument.SelectSingleNode(diDocNode, _documentXPaths.Get("DIReportMediaType"));

            if (diReportMediaType != null)
            {
                di.ReportMediaType = diReportMediaType.Value;
            }

            var diReportDocName = cdaDocument.SelectSingleNode(diDocNode, _documentXPaths.Get("DIReportDocName"));

            if (diReportDocName != null)
            {
                di.ReportDocName = diReportDocName.Value;
            }

            var accessionNumber = cdaDocument.GetId(_documentXPaths.Get("AccessionNumber"));

            di.AccessionNumber = accessionNumber;

            var radXpath = _documentXPaths.Get("Radiologist");
            var radNode  = cdaDocument.SelectSingleNode(radXpath);

            var radiologistIdentifier = cdaDocument.SelectSingleNode(radNode, _documentXPaths.Get("RadiologistIdentifier"));

            if (radiologistIdentifier != null)
            {
                di.RadiologistIdentifier = radiologistIdentifier.Value.Replace("1.2.36.1.2001.1003.0.", "");
            }

            var radiologistOrganisationName = cdaDocument.SelectSingleNode(radNode, _documentXPaths.Get("RadiologistOrganisationName"));

            if (radiologistOrganisationName != null)
            {
                di.OrganisationName = radiologistOrganisationName.InnerText;
            }

            var radiologistOrganisationIdentifier = cdaDocument.SelectSingleNode(radNode, _documentXPaths.Get("RadiologistOrganisationIdentifier"));

            if (radiologistOrganisationIdentifier != null)
            {
                di.OrganisationIdentifier = radiologistOrganisationIdentifier.Value.Replace("1.2.36.1.2001.1003.0.", "");
            }

            if (radXpath != null)
            {
                List <Telecom> radiologistContactDetails = cdaDocument.GetTelecoms(radXpath + "/" + _documentXPaths.Get("RadiologistContactDetails"));
                if (radiologistContactDetails != null)
                {
                    di.ContactDetails = radiologistContactDetails;
                }

                var personName = cdaDocument.GetPersonName(radXpath + "/" + _documentXPaths.Get("RadiologistName"));
                if (personName != null)
                {
                    di.Radiologist = personName;
                }
            }

            // 1..* results
            di.ImagingExaminationResults = new List <ImagingExaminationResult>();

            var diTestResults = cdaDocument.SelectNodes(_documentXPaths.Get("DITestResults"));

            if (diTestResults != null && diTestResults.Count > 0)
            {
                foreach (XmlNode results in diTestResults)
                {
                    ImagingExaminationResult ier = new ImagingExaminationResult();
                    ier.ExamResultName       = cdaDocument.GetCodableText(results, _documentXPaths.Get("DIExamResultName"));
                    ier.Modality             = cdaDocument.GetCodableText(results, _documentXPaths.Get("DIModality"));
                    ier.AnatomicalRegion     = cdaDocument.GetCodableText(results, _documentXPaths.Get("DIAnatomicalRegion"));
                    ier.OverallResultStatus  = cdaDocument.GetCodableText(results, _documentXPaths.Get("DIOverallResultStatus"));
                    ier.ImageDateTime        = cdaDocument.GetDateTimeValue(results, _documentXPaths.Get("DIImageDateTime")).Value;
                    ier.ExaminationProcedure = cdaDocument.SelectSingleNode(results, _documentXPaths.Get("DIExaminationProcedure")).InnerText;
                    ier.ObservationDateTime  = cdaDocument.GetDateTimeValue(results, _documentXPaths.Get("DIObservationDateTime")).Value;
                    ier.AnatomicalSites      = new List <AnatomicalSite>();

                    var targetSiteCode = cdaDocument.SelectNodes(results, _documentXPaths.Get("DIAnatomicalSite"));

                    foreach (XmlNode anatomicalSite in targetSiteCode)
                    {
                        AnatomicalSite anSite = new AnatomicalSite();
                        anSite.NameOfLocation = cdaDocument.GetCodableText(anatomicalSite as XmlElement);
                        anSite.Side           = cdaDocument.GetCodableText(anatomicalSite, _documentXPaths.Get("DIAnatomicalSiteSide"));
                        anSite.Description    = anatomicalSite != null ? anSite.NameOfLocation.OriginalText : null;

                        ier.AnatomicalSites.Add(anSite);
                    }

                    di.ImagingExaminationResults.Add(ier);
                }
            }

            return(di);
        }
        public Pathology Extract(CdaXmlDocument cdaDocument)
        {
            var pathology = new Pathology();

            var pathDocNode = cdaDocument.SelectSingleNode(_documentXPaths.Get("PathologyDocument"));

            if (pathDocNode != null)
            {
                var pathologyReportName = cdaDocument.SelectSingleNode(pathDocNode, _documentXPaths.Get("PathologyReportName"));
                if (pathologyReportName != null)
                {
                    pathology.ReportName = pathologyReportName.InnerText;
                }

                var pathologyReportDateTime = cdaDocument.GetDateTimeValue(pathDocNode, _documentXPaths.Get("PathologyReportDateTime"));
                if (pathologyReportDateTime != null)
                {
                    pathology.ReportDateTime = pathologyReportDateTime.Value;
                }

                var pathologyReportStatus = cdaDocument.GetCodableText(pathDocNode, _documentXPaths.Get("PathologyReportStatus"));
                pathology.ReportStatus = pathologyReportStatus;

                var pathologyReportIdentifier = cdaDocument.GetId(pathDocNode, _documentXPaths.Get("PathologyReportIdentifier"));
                pathology.ReportIdentifier = pathologyReportIdentifier;

                var pathologyReportIntegrityCheck = cdaDocument.SelectSingleNode(pathDocNode, _documentXPaths.Get("PathologyReportIntegrityCheck"));
                if (pathologyReportIntegrityCheck != null)
                {
                    pathology.ReportIntegrityCheck = pathologyReportIntegrityCheck.Value;
                }

                var pathologyReportMediaType = cdaDocument.SelectSingleNode(pathDocNode, _documentXPaths.Get("PathologyReportMediaType"));
                if (pathologyReportMediaType != null)
                {
                    pathology.ReportMediaType = pathologyReportMediaType.Value;
                }

                var pathologyReportDocName = cdaDocument.SelectSingleNode(pathDocNode, _documentXPaths.Get("PathologyReportDocName"));
                if (pathologyReportDocName != null)
                {
                    pathology.ReportDocName = pathologyReportDocName.Value;
                }


                var pathXpath = _documentXPaths.Get("Pathologist");
                var pathNode  = cdaDocument.SelectSingleNode(pathXpath);

                var pathologistIdentifier = cdaDocument.SelectSingleNode(pathNode, _documentXPaths.Get("PathologistIdentifier"));
                if (pathologistIdentifier != null)
                {
                    pathology.PathologistIdentifier = pathologistIdentifier.Value.Replace("1.2.36.1.2001.1003.0.", "");
                }

                var pathologistOrganisationName = cdaDocument.SelectSingleNode(pathNode, _documentXPaths.Get("PathologistOrganisationName"));
                if (pathologistOrganisationName != null)
                {
                    pathology.OrganisationName = pathologistOrganisationName.InnerText;
                }

                var pathologistOrganisationIdentifier = cdaDocument.SelectSingleNode(pathNode, _documentXPaths.Get("PathologistOrganisationIdentifier"));
                if (pathologistOrganisationIdentifier != null)
                {
                    pathology.OrganisationIdentifier = pathologistOrganisationIdentifier.Value.Replace("1.2.36.1.2001.1003.0.", "");
                }

                if (pathXpath != null)
                {
                    List <Telecom> pathologistContactDetails = cdaDocument.GetTelecoms(pathXpath + "/" + _documentXPaths.Get("PathologistContactDetails"));
                    if (pathologistContactDetails != null)
                    {
                        pathology.ContactDetails = pathologistContactDetails;
                    }

                    var personName = cdaDocument.GetPersonName(pathXpath + "/" + _documentXPaths.Get("PathologistName"));
                    if (personName != null)
                    {
                        pathology.Pathologist = personName;
                    }
                }
            }

            // 1..* results
            pathology.PathologyTestResults = new List <PathologyTestResult>();

            var nodes = cdaDocument.SelectNodes(_documentXPaths.Get("PathologyTestResults"));

            if (nodes != null && nodes.Count > 0)
            {
                pathology.PathologyTestResults =
                    (from XmlNode node in nodes
                     select new PathologyTestResult
                {
                    TestResultName = cdaDocument.GetCodableText(node, _documentXPaths.Get("PathologyTestResultName")),
                    Discipline = cdaDocument.GetCodableText(node, _documentXPaths.Get("PathologyDiscipline")),
                    SpecimenCollectionDateTime = cdaDocument.GetDateTimeValue(node, _documentXPaths.Get("PathologyCollectionDateTime")).Value,
                    ObservationDateTime = cdaDocument.GetDateTimeValue(node, _documentXPaths.Get("PathologyObservationDateTime")).Value,
                    TestResultStatus = cdaDocument.GetCodableText(node, _documentXPaths.Get("PathologyTestResultStatus"))
                }
                    ).ToList();
            }

            return(pathology);
        }