104 lines
4.4 KiB
C#
104 lines
4.4 KiB
C#
using Microsoft.AspNetCore.Mvc;
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using IRaCIS.Core.Application.Dicom;
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using Microsoft.AspNetCore.Authorization;
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using IRaCIS.Core.Application.Contracts;
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namespace IRaCIS.Core.Application.Services
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{
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[ApiExplorerSettings(GroupName = "Image")]
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[AllowAnonymous]
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public class InstanceService : BaseService, IInstanceService
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{
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private readonly IRepository<DicomInstance> _instanceRepository;
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private readonly IRepository<DicomStudy> _studyRepository;
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private readonly IRepository<KeyInstance> _keyInstanceRepository;
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private readonly DicomFileStoreHelper _dicomFileStoreHelper;
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public InstanceService(IRepository<DicomInstance> instanceRepository, IRepository<DicomStudy> studyRepository,
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IRepository<KeyInstance> keyInstanceRepository, DicomFileStoreHelper dicomFileStoreHelper)
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{
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_dicomFileStoreHelper = dicomFileStoreHelper;
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_instanceRepository = instanceRepository;
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_studyRepository = studyRepository;
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_keyInstanceRepository = keyInstanceRepository;
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}
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/// <summary> 指定资源Id，获取Dicom序列所属的实例信息列表 </summary>
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/// <param name="seriesId"> Dicom序列的Id </param>
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[HttpGet("{seriesId:guid}")]
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public async Task<IEnumerable<DicomInstanceDTO>> List(Guid seriesId)
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{
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return await _instanceRepository.Where(s => s.SeriesId == seriesId).OrderBy(s => s.InstanceNumber).
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ThenBy(s => s.InstanceTime).ThenBy(s => s.CreateTime)
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.ProjectTo<DicomInstanceDTO>(_mapper.ConfigurationProvider).ToListAsync();
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}
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/// <summary> 指定资源Id，获取Dicom序列所属的实例Id列表 </summary>
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/// <param name="seriesId"> Dicom序列的Id </param>
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/// <param name="tpCode"></param>
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/// <param name="key"></param>
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[HttpGet, Route("{seriesId:guid}/{tpCode?}/{key?}")]
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public IEnumerable<Guid> List(Guid seriesId, string tpCode, bool? key)
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{
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if (key != null && key.HasValue && key.Value)
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{
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return _keyInstanceRepository.Where(s => s.TpCode == tpCode).Select(t => t.InstanceId).Distinct();
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}
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else
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return _instanceRepository.Where(s => s.SeriesId == seriesId).OrderBy(s => s.InstanceNumber).Select(t => t.Id);
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}
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[AllowAnonymous]
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[HttpGet, Route("{instanceId:guid}")]
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public async Task<FileContentResult> Preview(Guid instanceId)
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{
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var path = string.Empty;
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DicomInstance dicomInstance = await _instanceRepository.FirstOrDefaultAsync(s => s.Id == instanceId).IfNullThrowException();
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DicomStudy dicomStudy = await _studyRepository.FirstOrDefaultAsync(s => s.Id == dicomInstance.StudyId).IfNullThrowException();
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path = _dicomFileStoreHelper.GetInstanceFilePath(dicomStudy, dicomInstance.SeriesId, dicomInstance.Id.ToString());
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using (var sw = DicomRenderingHelper.RenderPreviewJpeg(path))
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{
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var bytes = new byte[sw.Length];
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sw.Read(bytes, 0, bytes.Length);
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sw.Close();
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return new FileContentResult(bytes, "image/jpeg");
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}
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}
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[AllowAnonymous]
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[HttpGet, Route("{instanceId:guid}")]
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public async Task<FileContentResult> Content(Guid instanceId)
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{
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var filePath = string.Empty;
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DicomInstance dicomInstance = await _instanceRepository.FirstOrDefaultAsync(s => s.Id == instanceId).IfNullThrowException();
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DicomStudy dicomStudy = await _studyRepository.FirstOrDefaultAsync(s => s.Id == dicomInstance.StudyId).IfNullThrowException();
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if (dicomInstance.Anonymize) //被匿名化
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{
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filePath = _dicomFileStoreHelper.GetInstanceFilePath(dicomStudy, dicomInstance.SeriesId, dicomInstance.Id + ".Anonymize");
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}
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else filePath = _dicomFileStoreHelper.GetInstanceFilePath(dicomStudy, dicomInstance.SeriesId, dicomInstance.Id.ToString());
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using (var sw = new FileStream(filePath, FileMode.Open, FileAccess.Read, FileShare.Read))
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{
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var bytes = new byte[sw.Length];
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sw.Read(bytes, 0, bytes.Length);
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sw.Close();
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return new FileContentResult(bytes, "application/octet-stream");
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}
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}
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}
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} |