225 lines
13 KiB
C#
225 lines
13 KiB
C#
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// Copyright (c) 2012-2021 fo-dicom contributors.
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// Licensed under the Microsoft Public License (MS-PL).
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using FellowOakDicom;
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using Newtonsoft.Json.Linq;
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using System.Collections.Generic;
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using System.Configuration;
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using System.IO;
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using System.Linq;
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using System.Text;
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using System.Text.RegularExpressions;
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using System.Windows.Forms;
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using static System.Net.Mime.MediaTypeNames;
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using static System.Windows.Forms.VisualStyles.VisualStyleElement;
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namespace Worklist_SCP.Model
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{
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public static class WorklistHandler
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{
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//static string getEncodingTxt(string text)
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//{
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// //string encodingStr= ConfigurationManager.AppSettings["MGYZZXWSY"].Split(',')[2];
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// //string originalText = text; // 假设这是UTF-8编码的文本
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// //byte[] utf8Bytes = Encoding.UTF8.GetBytes(originalText);
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// //// 将UTF-8字节转换为GB18030编码的字节
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// //byte[] gb18030Bytes = Encoding.Convert(Encoding.UTF8, Encoding.GetEncoding(encodingStr), utf8Bytes);
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// //// 将GB18030字节转换为字符串
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// //string convertedText = Encoding.GetEncoding(encodingStr).GetString(gb18030Bytes);
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// //return convertedText;
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// string encodingStr = ConfigurationManager.AppSettings["MGYZZXWSY"].Split(',')[2];
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// string originalText = text; // 假设这是UTF-8编码的文本
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// byte[] utf8Bytes = Encoding.UTF8.GetBytes(originalText);
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// // 将UTF-8字节转换为GB18030编码的字节
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// byte[] gb18030Bytes = Encoding.Convert(Encoding.UTF8, Encoding.GetEncoding("GB18030"), utf8Bytes);
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// // 将GB18030字节转换为字符串
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// string convertedText = Encoding.GetEncoding("GB18030").GetString(gb18030Bytes);
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// return convertedText;
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//}
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//static byte[] getEncodingTxt1(string originalText)
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//{
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// byte[] utf8Bytes = Encoding.UTF8.GetBytes(originalText);
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// // 将UTF-8字节转换为GB18030编码的字节
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// byte[] gb18030Bytes = Encoding.Convert(Encoding.UTF8, Encoding.GetEncoding("GB18030"), utf8Bytes);
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// return gb18030Bytes;
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//}
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public static IEnumerable<DicomDataset> FilterWorklistItems(DicomDataset request, List<WorklistItem> allWorklistItems)
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{
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logger.LogWriter("收到来自客户端的请求");
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DicomDataset procedureStep1 = request.GetSequence(DicomTag.ScheduledProcedureStepSequence).First();
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var ScheduledStationAETitle1 = procedureStep1.GetSingleValueOrDefault(DicomTag.ScheduledStationAETitle, string.Empty);
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var PerformedStationAETitle = procedureStep1.GetSingleValueOrDefault(DicomTag.PerformedStationAETitle, string.Empty);
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var RetrieveAETitle = procedureStep1.GetSingleValueOrDefault(DicomTag.RetrieveAETitle, string.Empty);
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var StationAETitle = procedureStep1.GetSingleValueOrDefault(DicomTag.StationAETitle, string.Empty);
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string val1 = ScheduledStationAETitle1 + "," + PerformedStationAETitle + "," + RetrieveAETitle + "," + StationAETitle;
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WorklistItemsProvider WIP = new WorklistItemsProvider();
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//allWorklistItems = WIP.GetAllCurrentWorklistItems(val1); //查询患者信息
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// MessageBox.Show(ScheduledStationAETitle1);
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allWorklistItems = WIP.GetAllCurrentWorklistItems(ScheduledStationAETitle1); //查询患者信息
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var exams = allWorklistItems.AsQueryable();
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if (request.TryGetSingleValue(DicomTag.PatientID, out string patientId))
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{
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exams = exams.Where(x => x.PatientID.Equals(patientId));
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}
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var patientName = request.GetSingleValueOrDefault(DicomTag.PatientName, string.Empty);
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if (!string.IsNullOrEmpty(patientName))
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{
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exams = AddNameCondition(exams, patientName);
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}
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DicomDataset procedureStep = null;
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if (request.Contains(DicomTag.ScheduledProcedureStepSequence))
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{
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procedureStep = request.GetSequence(DicomTag.ScheduledProcedureStepSequence).First();
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var scheduledStationAET = procedureStep.GetSingleValueOrDefault(DicomTag.ScheduledStationAETitle, string.Empty);
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if (!string.IsNullOrEmpty(scheduledStationAET))
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{
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exams = exams.Where(x => x.ScheduledAET == scheduledStationAET);
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}
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var performingPhysician = procedureStep.GetSingleValueOrDefault(DicomTag.PerformingPhysicianName, string.Empty);
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if (!string.IsNullOrEmpty(performingPhysician))
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{
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exams = exams.Where(x => x.PerformingPhysician == performingPhysician);
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}
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var modality = procedureStep.GetSingleValueOrDefault(DicomTag.Modality, string.Empty);
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if (!string.IsNullOrEmpty(modality))
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{
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exams = exams.Where(x => x.Modality == modality);
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}
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// if only date is specified, then using standard matching
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// but if both are specified, then MWL defines a combined match
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var scheduledProcedureStepStartDateTime = procedureStep.GetSingleValueOrDefault(DicomTag.ScheduledProcedureStepStartDateTime, string.Empty);
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if (!string.IsNullOrEmpty(scheduledProcedureStepStartDateTime))
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{
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exams = AddDateCondition(exams, scheduledProcedureStepStartDateTime);
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}
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// Optional (but commonly used) matching keys.
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var procedureStepLocation = procedureStep.GetSingleValueOrDefault(DicomTag.ScheduledProcedureStepLocation, string.Empty);
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if (!string.IsNullOrEmpty(procedureStepLocation))
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{
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exams = exams.Where(x => x.ExamRoom.Equals(procedureStepLocation));
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}
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var procedureDescription = procedureStep.GetSingleValueOrDefault(DicomTag.ScheduledProcedureStepDescription, string.Empty);
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if (!string.IsNullOrEmpty(procedureDescription))
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{
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exams = exams.Where(x => x.ExamDescription.Equals(procedureDescription));
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}
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}
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var results = exams.ToList();
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// Parsing result
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foreach (var result in results)
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{
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var resultingSPS = new DicomDataset();
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var resultDataset = new DicomDataset();
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var resultingSPSSequence = new DicomSequence(DicomTag.ScheduledProcedureStepSequence, resultingSPS);
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if (procedureStep != null)
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{
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resultDataset.Add(resultingSPSSequence);
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}
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// add results to "main" dataset
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AddIfExistsInRequest(resultDataset, request, DicomTag.AccessionNumber, result.AccessionNumber); // T2
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AddIfExistsInRequest(resultDataset, request, DicomTag.InstitutionName, result.HospitalName);
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AddIfExistsInRequest(resultDataset, request, DicomTag.ReferringPhysicianName, result.ReferringPhysician); // T2
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// string encodingStr = ConfigurationManager.AppSettings["CurrentOrgInfo"].Split(',')[2];//影像设备的编码方式
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resultDataset.AddOrUpdate(DicomTag.SpecificCharacterSet, "GB18030");//李双自己添加的编码方式
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AddIfExistsInRequest(resultDataset, request, DicomTag.PatientName, result.Surname + result.Forename); //T1
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AddIfExistsInRequest(resultDataset, request, DicomTag.PatientID, result.PatientID); // T1
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AddIfExistsInRequest(resultDataset, request, DicomTag.PatientBirthDate, result.DateOfBirth); // T2
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AddIfExistsInRequest(resultDataset, request, DicomTag.PatientSex, result.Sex); //T2
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AddIfExistsInRequest(resultDataset, request, DicomTag.StudyInstanceUID, result.StudyUID); // T1
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AddIfExistsInRequest(resultDataset, request, DicomTag.RequestingPhysician, result.ReferringPhysician); //T2 转诊医生 申请医生 咨询医生
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AddIfExistsInRequest(resultDataset, request, DicomTag.RequestedProcedureDescription, result.ExamDescription); //T1C //检查描述
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AddIfExistsInRequest(resultDataset, request, DicomTag.RequestedProcedureID, result.ProcedureID); // T1
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// Scheduled Procedure Step sequence T1
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// add results to procedure step dataset
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// Return if requested
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if (procedureStep != null)
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{
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AddIfExistsInRequest(resultingSPS, procedureStep, DicomTag.ScheduledStationAETitle, result.ScheduledAET); // T1
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AddIfExistsInRequest(resultingSPS, procedureStep, DicomTag.ScheduledProcedureStepStartDate, result.ExamDateAndTime); //T1
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AddIfExistsInRequest(resultingSPS, procedureStep, DicomTag.ScheduledProcedureStepStartTime, result.ExamDateAndTime); //T1
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AddIfExistsInRequest(resultingSPS, procedureStep, DicomTag.Modality, result.Modality); // T1
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AddIfExistsInRequest(resultingSPS, procedureStep, DicomTag.ScheduledPerformingPhysicianName, result.PerformingPhysician); //T2
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AddIfExistsInRequest(resultingSPS, procedureStep, DicomTag.ScheduledProcedureStepDescription, result.ExamDescription); // T1C
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AddIfExistsInRequest(resultingSPS, procedureStep, DicomTag.ScheduledProcedureStepID, result.ProcedureStepID); // T1
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AddIfExistsInRequest(resultingSPS, procedureStep, DicomTag.ScheduledStationName, result.ExamRoom); //T2
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AddIfExistsInRequest(resultingSPS, procedureStep, DicomTag.ScheduledProcedureStepLocation, result.ExamRoom); //T2
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}
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// Put blanks in for unsupported fields which are type 2 (i.e. must have a value even if NULL)
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// In a real server, you may wish to support some or all of these, but they are not commonly supported
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AddIfExistsInRequest(resultDataset, request, DicomTag.ReferencedStudySequence, new DicomDataset()); // Ref//d Study Sequence
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AddIfExistsInRequest(resultDataset, request, DicomTag.Priority, ""); // Priority
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AddIfExistsInRequest(resultDataset, request, DicomTag.PatientTransportArrangements, ""); // Transport Arrangements
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AddIfExistsInRequest(resultDataset, request, DicomTag.AdmissionID, ""); // Admission ID
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AddIfExistsInRequest(resultDataset, request, DicomTag.CurrentPatientLocation, ""); // Patient Location
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AddIfExistsInRequest(resultDataset, request, DicomTag.ReferencedPatientSequence, new DicomDataset()); // Ref//d Patient Sequence
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AddIfExistsInRequest(resultDataset, request, DicomTag.PatientWeight, ""); // Weight
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AddIfExistsInRequest(resultDataset, request, DicomTag.ConfidentialityConstraintOnPatientDataDescription, ""); // Confidentiality Constraint
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// Send Reponse Back
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yield return resultDataset;
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}
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}
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//Splits patient name into 2 separte strings surname and forename and send then to the addstringcondition subroutine.
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internal static IQueryable<WorklistItem> AddNameCondition(IQueryable<WorklistItem> exams, string dicomName)
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{
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if (string.IsNullOrEmpty(dicomName) || dicomName == "*")
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{
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return exams;
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}
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var personName = new DicomPersonName(DicomTag.PatientName, dicomName);
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if (dicomName.Contains("*"))
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{
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var firstNameRegex = new Regex("^" + Regex.Escape(personName.First).Replace("\\*", ".*") + "$");
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var lastNameRegex = new Regex("^" + Regex.Escape(personName.Last).Replace("\\*", ".*") + "$");
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exams = exams.Where(x => firstNameRegex.IsMatch(x.Forename) || lastNameRegex.IsMatch(x.Surname));
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}
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else
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{
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exams = exams.Where(x => (x.Forename.Equals(personName.First) && x.Surname.Equals(personName.Last)));
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}
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return exams;
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}
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internal static IQueryable<WorklistItem> AddDateCondition(IQueryable<WorklistItem> exams, string dateCondition)
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{
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if (!string.IsNullOrEmpty(dateCondition) && dateCondition != "*")
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{
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var range = new DicomDateTime(DicomTag.ScheduledProcedureStepStartDate, dateCondition).Get<DicomDateRange>();
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exams = exams.Where(x => range.Contains(x.ExamDateAndTime));
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}
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return exams;
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}
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internal static void AddIfExistsInRequest<T>(DicomDataset result, DicomDataset request, DicomTag tag, T value)
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{
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// Only send items which have been requested
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// bool flag = request.Contains(tag);
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if (request.Contains(tag))
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{
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if (value == null)
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{
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value = default;
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}
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result.AddOrUpdate(tag, value);
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}
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}
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}
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}
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