质控下载dir 文件处理

2025-08-07 18:02:49 +08:00
parent 695de70894
commit d10152b720
6 changed files with 20199 additions and 3 deletions
@@ -0,0 +1,134 @@
+using FellowOakDicom;
+using FellowOakDicom.Media;
+using System;
+using System.Collections.Generic;
+using System.Data;
+using System.IO;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace IRaCIS.Core.Application.Helper
+{
+
+    public class StudyDIRInfo
+    {
+        // Study
+        public Guid DicomStudyId { get; set; }
+
+        public string PatientId { get; set; }
+        public string PatientName { get; set; }
+        public string PatientBirthDate { get; set; }
+        public string PatientSex { get; set; }
+
+        public string StudyInstanceUid { get; set; }
+        public string StudyId { get; set; }
+        public string DicomStudyDate { get; set; }
+        public string DicomStudyTime { get; set; }
+        public string AccessionNumber { get; set; }
+        public string StudyDescription { get; set; }
+
+        // Series
+        public string SeriesInstanceUid { get; set; }
+        public string Modality { get; set; }
+        public string DicomSeriesDate { get; set; }
+        public string DicomSeriesTime { get; set; }
+        public int SeriesNumber { get; set; }
+        public string SeriesDescription { get; set; }
+
+        // Instance
+        public Guid InstanceId { get; set; }
+        public string SopInstanceUid { get; set; }
+        public string SOPClassUID { get; set; }
+        public int InstanceNumber { get; set; }
+        public string MediaStorageSOPClassUID { get; set; }
+        public string MediaStorageSOPInstanceUID { get; set; }
+        public string TransferSytaxUID { get; set; }
+    }
+    public static class DicomDIRHelper
+    {
+
+        public static async Task GenerateStudyDIRAndUploadAsync(List<StudyDIRInfo> list, string ossFolder, IOSSService _oSSService)
+        {
+            var mappings = new List<string>();
+            int index = 1;
+
+
+            var dicomDir = new DicomDirectory();
+
+            foreach (var item in list.OrderBy(t => t.SeriesNumber).ThenBy(t => t.InstanceNumber))
+            {
+                var dicomUid = DicomUID.Enumerate().FirstOrDefault(uid => uid.UID == item.TransferSytaxUID);
+                var ts = DicomTransferSyntax.Query(dicomUid);
+
+                var dataset = new DicomDataset(ts)
+                {
+                    { DicomTag.PatientID, item.PatientId ?? string.Empty },
+                    { DicomTag.PatientName, item.PatientName ?? string.Empty },
+                    { DicomTag.PatientBirthDate, item.PatientBirthDate ?? string.Empty },
+                    { DicomTag.PatientSex, item.PatientSex ?? string.Empty },
+
+                    { DicomTag.StudyInstanceUID, item.StudyInstanceUid ?? string.Empty },
+                    { DicomTag.StudyID, item.StudyId ?? string.Empty },
+                    { DicomTag.StudyDate, item.DicomStudyDate ?? string.Empty },
+                    { DicomTag.StudyTime, item.DicomStudyTime ?? string.Empty },
+                    { DicomTag.AccessionNumber, item.AccessionNumber ?? string.Empty },
+                    { DicomTag.StudyDescription, item.StudyDescription ?? string.Empty },
+
+                    { DicomTag.SeriesInstanceUID, item.SeriesInstanceUid ?? string.Empty },
+                    { DicomTag.Modality, item.Modality ?? string.Empty },
+                    { DicomTag.SeriesDate, item.DicomSeriesDate ?? string.Empty },
+                    { DicomTag.SeriesTime, item.DicomSeriesTime ?? string.Empty },
+                    { DicomTag.SeriesNumber, item.SeriesNumber.ToString() ?? string.Empty },
+                    { DicomTag.SeriesDescription, item.SeriesDescription ?? string.Empty },
+
+                    { DicomTag.SOPInstanceUID, item.SopInstanceUid ?? string.Empty },
+                    { DicomTag.SOPClassUID, item.SOPClassUID ?? string.Empty },
+                    { DicomTag.InstanceNumber, item.InstanceNumber.ToString() ?? string.Empty },
+                    { DicomTag.MediaStorageSOPClassUID, item.MediaStorageSOPClassUID ?? string.Empty },
+                    { DicomTag.MediaStorageSOPInstanceUID, item.MediaStorageSOPInstanceUID ?? string.Empty },
+                    { DicomTag.TransferSyntaxUID, item.TransferSytaxUID ?? string.Empty },
+                };
+
+                var dicomFile = new DicomFile(dataset);
+
+                // 文件名递增格式：IM_00001, IM_00002, ...
+                string filename = $@"IMAGE/IM_{index:D5}";  // :D5 表示补足5位
+
+                mappings.Add($"{filename} => {item.InstanceId}");
+
+                dicomDir.AddFile(dicomFile, filename);
+            }
+
+            #region 写入临时路径
+            var tempFilePath = Path.GetTempFileName();
+
+            // 保存 DICOMDIR 到临时文件  不能直接写入到流种
+            await dicomDir.SaveAsync(tempFilePath);
+
+            using (var memoryStream = new MemoryStream(File.ReadAllBytes(tempFilePath)))
+            {
+                // 重置流位置
+                memoryStream.Position = 0;
+
+                await _oSSService.UploadToOSSAsync(memoryStream, ossFolder, "DICOMDIR", false);
+            }
+
+            //清理临时文件
+            File.Delete(tempFilePath);
+
+            #endregion
+
+            #region 映射上传
+
+            // 将映射写入内存流
+            var mappingText = string.Join(Environment.NewLine, mappings);
+            await using var mappingStream = new MemoryStream(Encoding.UTF8.GetBytes(mappingText));
+
+            await _oSSService.UploadToOSSAsync(mappingStream, ossFolder, $"Download_{DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss")}", false);
+
+            #endregion
+
+        }
+    }
+}