Files
irc-netcore-api/IRaCIS.Core.Application/Service/ImageAndDoc/InstanceService.cs
T
2026-03-30 10:42:17 +08:00

111 lines
4.5 KiB
C#

using IRaCIS.Core.Application.Contracts;
using IRaCIS.Core.Application.Helper;
using Microsoft.AspNetCore.Authorization;
using Microsoft.AspNetCore.Hosting;
using Microsoft.AspNetCore.Mvc;
using System.Linq.Dynamic.Core;
namespace IRaCIS.Core.Application.Services
{
[ApiExplorerSettings(GroupName = "Image")]
[AllowAnonymous]
public class InstanceService(IRepository<DicomInstance> _instanceRepository,
IMapper _mapper, IUserInfo _userInfo, IStringLocalizer _localizer, IWebHostEnvironment _hostEnvironment) : BaseService, IInstanceService
{
/// <summary> 指定资源Id,获取Dicom序列所属的实例信息列表 </summary>
/// <param name="seriesId"> Dicom序列的Id </param>
[HttpGet("{seriesId:guid}")]
public async Task<IResponseOutput<List<DicomInstanceDTO>>> List(Guid seriesId)
{
var qcAuditState = await _instanceRepository.Where(s => s.SeriesId == seriesId).Select(t => t.DicomStudy.SubjectVisit.AuditState).FirstOrDefaultAsync();
//质控通过以后,过滤删除的 质控之前的不过滤
var isQCFinished = qcAuditState == AuditStateEnum.QCPassed;
var list = await _instanceRepository.Where(s => s.SeriesId == seriesId).IgnoreQueryFilters()
.WhereIf(isQCFinished, t => t.IsDeleted == false)
.OrderBy(s => s.InstanceNumber).ThenBy(s => s.InstanceTime).ThenBy(s => s.CreateTime)
.ProjectTo<DicomInstanceDTO>(_mapper.ConfigurationProvider).ToListAsync();
// ⭐ DICOM 空间排序(带兜底)
var sorted = DicomSortHelper.SortSlices(
list,
x => x.ImagePositionPatient,
x => x.ImageOrientationPatient,
x => x.InstanceNumber
);
var seriesInfo = await _instanceRepository.Where(s => s.SeriesId == seriesId).Select(t => new
{
t.DicomSerie.ImageResizePath,
t.DicomSerie.IsDeleted,
t.DicomSerie.IsReading,
SubjectCode = t.DicomSerie.SubjectVisit.Subject.Code,
t.DicomSerie.SubjectVisit.VisitName
}).FirstOrDefaultAsync();
return ResponseOutput.Ok(sorted, seriesInfo);
}
/// <summary> 指定资源Id,获取Dicom序列所属的实例Id列表 </summary>
/// <param name="seriesId"> Dicom序列的Id </param>
/// <param name="tpCode"></param>
/// <param name="key"></param>
[HttpGet, Route("{seriesId:guid}/{tpCode?}/{key?}")]
public IEnumerable<Guid> List(Guid seriesId, string tpCode, bool? key)
{
//if (key != null && key.HasValue && key.Value)
//{
// return _keyInstanceRepository.Where(s => s.TpCode == tpCode).Select(t => t.InstanceId).Distinct();
//}
//else
return _instanceRepository.Where(s => s.SeriesId == seriesId).OrderBy(s => s.InstanceNumber).Select(t => t.Id);
}
[AllowAnonymous]
[HttpGet, Route("{instanceId:guid}")]
public async Task<FileContentResult> Preview(Guid instanceId)
{
var path = string.Empty;
path = (await _instanceRepository.Where(s => s.Id == instanceId).Select(t => t.Path).FirstOrDefaultAsync()).IfNullThrowException();
var physicalPath = FileStoreHelper.GetPhysicalFilePath(_hostEnvironment, path);
using (var sw = ImageHelper.RenderPreviewJpeg(physicalPath))
{
var bytes = new byte[sw.Length];
sw.Read(bytes, 0, bytes.Length);
sw.Close();
return new FileContentResult(bytes, "image/jpeg");
}
}
[AllowAnonymous]
[HttpGet, Route("{instanceId:guid}")]
public async Task<FileContentResult> Content(Guid instanceId)
{
var filePath = string.Empty;
var path = (await _instanceRepository.Where(s => s.Id == instanceId).Select(t => t.Path).FirstOrDefaultAsync()).IfNullThrowException();
var physicalPath = FileStoreHelper.GetPhysicalFilePath(_hostEnvironment, path);
using (var sw = new FileStream(physicalPath, FileMode.Open, FileAccess.Read, FileShare.Read))
{
var bytes = new byte[sw.Length];
sw.Read(bytes, 0, bytes.Length);
sw.Close();
return new FileContentResult(bytes, "application/octet-stream");
}
}
}
}