50 lines
1.8 KiB
JavaScript
50 lines
1.8 KiB
JavaScript
import { OHIF } from 'meteor/ohif:core';
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/**
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* Retrieves metaData for multiple studies at once.
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*
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* This function calls retrieveStudyMetadata several times, asynchronously,
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* and waits for all of the results to be returned.
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*
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* @param studyInstanceUids The UIDs of the Studies to be retrieved
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* @param doneCallback The callback function to be executed when the study retrieval has finished
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* @param failCallback The callback function to be executed when the study retrieval has failed
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*/
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OHIF.studylist.getStudiesMetadata = (studyInstanceUids, doneCallback, failCallback) => {
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// Check to make sure studyInstanceUids were actually input
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if (!studyInstanceUids || !studyInstanceUids.length) {
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if (failCallback && typeof failCallback === 'function') {
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failCallback('No studyInstanceUids were input');
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}
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return;
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}
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// Create an empty array to store the Promises for each metaData
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// retrieval call
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const promises = [];
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// Loop through the array of studyInstanceUids
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studyInstanceUids.forEach(function(studyInstanceUid) {
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// Send the call, and attach doneCallbacks and failCallbacks
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// which can resolve or reject the related promise based on its outcome
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const promise = OHIF.studylist.retrieveStudyMetadata(studyInstanceUid);
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// Add the current promise to the array of promises
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promises.push(promise);
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});
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// When all of the promises are complete, this callback runs
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Promise.all(promises).then(studies => {
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// Pass the studies array to the doneCallback, if one exists
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if (doneCallback && typeof doneCallback === 'function') {
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doneCallback(studies);
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}
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}).catch(error => {
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OHIF.log.warn(error);
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if (failCallback && typeof failCallback === 'function') {
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failCallback(error);
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}
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});
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};
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