ohif-viewer/extensions/default/src/DicomWebDataSource/index.js
2020-05-15 13:02:02 +01:00

122 lines
3.7 KiB
JavaScript

import { api } from 'dicomweb-client';
import { mapParams, search as qidoSearch, processResults } from './qido.js';
import { dicomMetadataStore, IWebApiDataSource, utils } from '@ohif/core';
import * as dcmjs from 'dcmjs';
import exampleInstances from './exampleInstances.js';
//import { retrieveStudyMetadata } from './retrieveStudyMetadata.js';
const { urlUtil } = utils;
/**
*
* @param {string} name - Data source name
* @param {string} wadoUriRoot - Legacy? (potentially unused/replaced)
* @param {string} qidoRoot - Base URL to use for QIDO requests
* @param {string} wadoRoot - Base URL to use for WADO requests
* @param {boolean} qidoSupportsIncludeField - Whether QIDO supports the "Include" option to request additional fields in response
* @param {string} imageRengering - wadors | ? (unsure of where/how this is used)
* @param {string} thumbnailRendering - wadors | ? (unsure of where/how this is used)
* @param {bool} lazyLoadStudy - "enableStudyLazyLoad"; Request series meta async instead of blocking
*/
function createDicomWebApi(dicomWebConfig) {
const { qidoRoot, wadoRoot, enableStudyLazyLoad } = dicomWebConfig;
const qidoConfig = {
url: qidoRoot,
// headers: DICOMWeb.getAuthorizationHeader(server),
};
const wadoConfig = {
url: wadoRoot,
};
// TODO -> Two clients sucks, but its better than 1000.
// TODO -> We'll need to merge auth later.
const qidoDicomWebClient = new api.DICOMwebClient(qidoConfig);
const wadoDicomWebClient = new api.DICOMwebClient(wadoConfig);
return IWebApiDataSource.create({
query: {
studies: {
mapParams: mapParams.bind(),
search: async function(origParams) {
const { studyInstanceUid, seriesInstanceUid, ...mappedParams } =
mapParams(origParams) || {};
const results = await qidoSearch(
qidoDicomWebClient,
undefined,
undefined,
mappedParams
);
return processResults(results);
},
processResults: processResults.bind(),
},
series: {
// mapParams: mapParams.bind(),
search: async function(origParams) {
const { studyInstanceUid, seriesInstanceUid, ...mappedParams } =
mapParams(origParams) || {};
const results = await qidoSearch(
qidoDicomWebClient,
studyInstanceUid,
undefined,
mappedParams
);
return processResults(results);
},
// processResults: processResults.bind(),
},
instances: {
search: (studyInstanceUid, queryParamaters) =>
qidoSearch.call(
undefined,
qidoDicomWebClient,
studyInstanceUid,
null,
queryParamaters
),
},
},
retrieve: {
series: {
metadata: (queryParams, callback) => {
let { StudyInstanceUIDs } = urlUtil.parse(queryParams, true);
StudyInstanceUIDs = urlUtil.paramString.parseParam(StudyInstanceUIDs);
if (!StudyInstanceUIDs) {
throw new Error(
'Incomplete queryParams, missing StudyInstanceUIDs'
);
}
// const promises = StudyInstanceUIDs.map(StudyInstanceUID =>
// retrieveStudyMetadata(
// wadoDicomWebClient,
// StudyInstanceUID,
// enableStudyLazyLoad
// )
// );
// TEMP use dummy data.
const { naturalizeDataset } = dcmjs.data.DicomMetaDictionary;
const instances = exampleInstances.map(naturalizeDataset);
// TEMP
dicomMetadataStore.addInstances(instances);
callback(instances);
},
},
},
});
}
export { createDicomWebApi };