112 lines
3.3 KiB
JavaScript
112 lines
3.3 KiB
JavaScript
import studyMetadataManager from './studyMetadataManager';
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/**
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* Study schema
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*
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* @typedef {Object} Study
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* @property {Array} seriesList -
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* @property {Object} seriesMap -
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* @property {Object} seriesLoader -
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* @property {string} wadoUriRoot -
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* @property {string} wadoRoot -
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* @property {string} qidoRoot -
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* @property {string} patientName -
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* @property {string} patientId -
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* @property {number} patientAge -
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* @property {number} patientSize -
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* @property {number} patientWeight -
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* @property {string} accessionNumber -
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* @property {string} studyDate -
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* @property {string} studyTime -
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* @property {string} modalities -
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* @property {string} studyDescription -
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* @property {string} imageCount -
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* @property {string} studyInstanceUid -
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* @property {string} institutionName -
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* @property {Array} displaySets -
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*/
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/**
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* Factory function to load and cache derived display sets.
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*
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* @param {object} referencedDisplaySet Display set
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* @param {string} referencedDisplaySet.displaySetInstanceUid Display set instance uid
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* @param {string} referencedDisplaySet.seriesDate
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* @param {string} referencedDisplaySet.seriesTime
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* @param {string} referencedDisplaySet.seriesInstanceUid
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* @param {string} referencedDisplaySet.seriesNumber
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* @param {string} referencedDisplaySet.seriesDescription
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* @param {number} referencedDisplaySet.numImageFrames
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* @param {string} referencedDisplaySet.frameRate
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* @param {string} referencedDisplaySet.modality
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* @param {boolean} referencedDisplaySet.isMultiFrame
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* @param {number} referencedDisplaySet.instanceNumber
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* @param {boolean} referencedDisplaySet.isReconstructable
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* @param {string} referencedDisplaySet.studyInstanceUid
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* @param {Array} referencedDisplaySet.sopClassUids
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* @param {Study[]} studies Collection of studies
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* @returns void
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*/
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const loadAndCacheDerivedDisplaySets = (referencedDisplaySet, studies) => {
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const { StudyInstanceUID, SeriesInstanceUID } = referencedDisplaySet;
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const promises = [];
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const studyMetadata = studyMetadataManager.get(StudyInstanceUID);
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if (!studyMetadata) {
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return promises;
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}
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const derivedDisplaySets = studyMetadata.getDerivedDatasets({
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referencedSeriesInstanceUID: SeriesInstanceUID,
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});
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if (!derivedDisplaySets.length) {
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return promises;
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}
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// Filter by type
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const displaySetsPerModality = {};
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derivedDisplaySets.forEach(displaySet => {
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const Modality = displaySet.Modality;
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if (displaySetsPerModality[Modality] === undefined) {
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displaySetsPerModality[Modality] = [];
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}
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displaySetsPerModality[Modality].push(displaySet);
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});
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// For each type, see if any are loaded, if not load the most recent.
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Object.keys(displaySetsPerModality).forEach(key => {
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const displaySets = displaySetsPerModality[key];
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const isLoaded = displaySets.some(displaySet => displaySet.isLoaded);
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if (isLoaded) {
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return;
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}
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// find most recent and load it.
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let recentDateTime = 0;
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let recentDisplaySet;
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displaySets.forEach(displaySet => {
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const dateTime = Number(
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`${displaySet.SeriesDate}${displaySet.SeriesTime}`
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);
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if (dateTime > recentDateTime) {
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recentDateTime = dateTime;
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recentDisplaySet = displaySet;
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}
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});
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promises.push(recentDisplaySet.load(referencedDisplaySet, studies));
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});
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return promises;
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};
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export default loadAndCacheDerivedDisplaySets;
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