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| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 | 34x 34x 34x 34x 34x 34x 34x | import { DicomMetadataStore, IWebApiDataSource } from '@ohif/core';
import OHIF from '@ohif/core';
import qs from 'query-string';
import getImageId from '../DicomWebDataSource/utils/getImageId';
import getDirectURL from '../utils/getDirectURL';
const metadataProvider = OHIF.classes.MetadataProvider;
const mappings = {
studyInstanceUid: 'StudyInstanceUID',
patientId: 'PatientID',
};
let _store = {
urls: [],
studyInstanceUIDMap: new Map(), // map of urls to array of study instance UIDs
// {
// url: url1
// studies: [Study1, Study2], // if multiple studies
// }
// {
// url: url2
// studies: [Study1],
// }
// }
};
function wrapSequences(obj) {
return Object.keys(obj).reduce(
(acc, key) => {
if (typeof obj[key] === 'object' && obj[key] !== null) {
// Recursively wrap sequences for nested objects
acc[key] = wrapSequences(obj[key]);
} else {
acc[key] = obj[key];
}
Iif (key.endsWith('Sequence')) {
acc[key] = OHIF.utils.addAccessors(acc[key]);
}
return acc;
},
Array.isArray(obj) ? [] : {}
);
}
const getMetaDataByURL = url => {
return _store.urls.find(metaData => metaData.url === url);
};
const findStudies = (key, value) => {
let studies = [];
_store.urls.map(metaData => {
metaData.studies.map(aStudy => {
Iif (aStudy[key] === value) {
studies.push(aStudy);
}
});
});
return studies;
};
function createDicomJSONApi(dicomJsonConfig) {
const implementation = {
initialize: async ({ query, url }) => {
Iif (!url) {
url = query.get('url');
}
let metaData = getMetaDataByURL(url);
// if we have already cached the data from this specific url
// We are only handling one StudyInstanceUID to run; however,
// all studies for patientID will be put in the correct tab
Iif (metaData) {
return metaData.studies.map(aStudy => {
return aStudy.StudyInstanceUID;
});
}
const response = await fetch(url);
const data = await response.json();
let StudyInstanceUID;
let SeriesInstanceUID;
data.studies.forEach(study => {
StudyInstanceUID = study.StudyInstanceUID;
study.series.forEach(series => {
SeriesInstanceUID = series.SeriesInstanceUID;
series.instances.forEach(instance => {
const { metadata: naturalizedDicom } = instance;
const imageId = getImageId({ instance, config: dicomJsonConfig });
const { query } = qs.parseUrl(instance.url);
// Add imageId specific mapping to this data as the URL isn't necessarily WADO-URI.
metadataProvider.addImageIdToUIDs(imageId, {
StudyInstanceUID,
SeriesInstanceUID,
SOPInstanceUID: naturalizedDicom.SOPInstanceUID,
frameNumber: query.frame ? parseInt(query.frame) : undefined,
});
});
});
});
_store.urls.push({
url,
studies: [...data.studies],
});
_store.studyInstanceUIDMap.set(
url,
data.studies.map(study => study.StudyInstanceUID)
);
},
query: {
studies: {
mapParams: () => {},
search: async param => {
const [key, value] = Object.entries(param)[0];
const mappedParam = mappings[key];
// todo: should fetch from dicomMetadataStore
const studies = findStudies(mappedParam, value);
return studies.map(aStudy => {
return {
accession: aStudy.AccessionNumber,
date: aStudy.StudyDate,
description: aStudy.StudyDescription,
instances: aStudy.NumInstances,
modalities: aStudy.Modalities,
mrn: aStudy.PatientID,
patientName: aStudy.PatientName,
studyInstanceUid: aStudy.StudyInstanceUID,
NumInstances: aStudy.NumInstances,
time: aStudy.StudyTime,
};
});
},
processResults: () => {
console.warn(' DICOMJson QUERY processResults not implemented');
},
},
series: {
// mapParams: mapParams.bind(),
search: () => {
console.warn(' DICOMJson QUERY SERIES SEARCH not implemented');
},
},
instances: {
search: () => {
console.warn(' DICOMJson QUERY instances SEARCH not implemented');
},
},
},
retrieve: {
/**
* Generates a URL that can be used for direct retrieve of the bulkdata
*
* @param {object} params
* @param {string} params.tag is the tag name of the URL to retrieve
* @param {string} params.defaultPath path for the pixel data url
* @param {object} params.instance is the instance object that the tag is in
* @param {string} params.defaultType is the mime type of the response
* @param {string} params.singlepart is the type of the part to retrieve
* @param {string} params.fetchPart unknown?
* @returns an absolute URL to the resource, if the absolute URL can be retrieved as singlepart,
* or is already retrieved, or a promise to a URL for such use if a BulkDataURI
*/
directURL: params => {
return getDirectURL(dicomJsonConfig, params);
},
series: {
metadata: async ({ filters, StudyInstanceUID, madeInClient = false, customSort } = {}) => {
Iif (!StudyInstanceUID) {
throw new Error('Unable to query for SeriesMetadata without StudyInstanceUID');
}
const study = findStudies('StudyInstanceUID', StudyInstanceUID)[0];
let series;
if (customSort) {
series = customSort(study.series);
} else {
series = study.series;
}
const seriesKeys = [
'SeriesInstanceUID',
'SeriesInstanceUIDs',
'seriesInstanceUID',
'seriesInstanceUIDs',
];
const seriesFilter = seriesKeys.find(key => filters[key]);
Iif (seriesFilter) {
const seriesUIDs = filters[seriesFilter];
series = series.filter(s => seriesUIDs.includes(s.SeriesInstanceUID));
}
const seriesSummaryMetadata = series.map(series => {
const seriesSummary = {
StudyInstanceUID: study.StudyInstanceUID,
...series,
};
delete seriesSummary.instances;
return seriesSummary;
});
// Async load series, store as retrieved
function storeInstances(naturalizedInstances) {
DicomMetadataStore.addInstances(naturalizedInstances, madeInClient);
}
DicomMetadataStore.addSeriesMetadata(seriesSummaryMetadata, madeInClient);
function setSuccessFlag() {
const study = DicomMetadataStore.getStudy(StudyInstanceUID, madeInClient);
study.isLoaded = true;
}
const numberOfSeries = series.length;
series.forEach((series, index) => {
const instances = series.instances.map(instance => {
// for instance.metadata if the key ends with sequence then
// we need to add a proxy to the first item in the sequence
// so that we can access the value of the sequence
// by using sequenceName.value
const modifiedMetadata = wrapSequences(instance.metadata);
const obj = {
...modifiedMetadata,
url: instance.url,
imageId: getImageId({ instance, config: dicomJsonConfig }),
...series,
...study,
};
delete obj.instances;
delete obj.series;
return obj;
});
storeInstances(instances);
Iif (index === numberOfSeries - 1) {
setSuccessFlag();
}
});
},
},
},
store: {
dicom: () => {
console.warn(' DICOMJson store dicom not implemented');
},
},
getImageIdsForDisplaySet(displaySet) {
const images = displaySet.images;
const imageIds = [];
Iif (!images) {
return imageIds;
}
const { StudyInstanceUID, SeriesInstanceUID } = displaySet;
const study = findStudies('StudyInstanceUID', StudyInstanceUID)[0];
const series = study.series.find(s => s.SeriesInstanceUID === SeriesInstanceUID) || [];
const instanceMap = new Map();
series.instances.forEach(instance => {
Iif (instance?.metadata?.SOPInstanceUID) {
const { metadata, url } = instance;
const existingInstances = instanceMap.get(metadata.SOPInstanceUID) || [];
existingInstances.push({ ...metadata, url });
instanceMap.set(metadata.SOPInstanceUID, existingInstances);
}
});
displaySet.images.forEach(instance => {
const NumberOfFrames = instance.NumberOfFrames || 1;
const instances = instanceMap.get(instance.SOPInstanceUID) || [instance];
for (let i = 0; i < NumberOfFrames; i++) {
const imageId = getImageId({
instance: instances[Math.min(i, instances.length - 1)],
frame: NumberOfFrames > 1 ? i : undefined,
config: dicomJsonConfig,
});
imageIds.push(imageId);
}
});
return imageIds;
},
getImageIdsForInstance({ instance, frame }) {
const imageIds = getImageId({ instance, frame });
return imageIds;
},
getStudyInstanceUIDs: ({ params, query }) => {
const url = query.get('url');
return _store.studyInstanceUIDMap.get(url);
},
};
return IWebApiDataSource.create(implementation);
}
export { createDicomJSONApi };
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