ohif-viewer/Packages/ohif-measurements/client/lib/getTimepointName.js
2017-02-23 14:01:16 -03:00

47 lines
1.6 KiB
JavaScript

import { OHIF } from 'meteor/ohif:core';
/**
* Calculates a Timepoint's name based on how many timepoints exist between it
* and the latest Baseline. Names returned are in the form of 'Baseline', or
* 'Follow-up 1', 'Follow-up 2', and so on.
*
* @param timepoint
* @returns {*} The timepoint name
*/
OHIF.measurements.getTimepointName = timepoint => {
// Check if this is a Baseline timepoint, if it is, return 'Baseline'
if (timepoint.timepointType === 'baseline') {
return 'Baseline';
} else if (timepoint.visitNumber) {
return 'Follow-up ' + timepoint.visitNumber;
}
// Retrieve all of the relevant follow-up timepoints for this patient
const followupTimepoints = Timepoints.find({
patientId: timepoint.patientId,
timepointType: timepoint.timepointType
}, {
sort: {
latestDate: 1
}
});
// Create an array of just timepointIds, so we can use indexOf
// on it to find the current timepoint's relative position
const followupTimepointIds = followupTimepoints.map(timepoint => timepoint.timepointId);
// Calculate the index of the current timepoint in the array of all
// relevant follow-up timepoints
const index = followupTimepointIds.indexOf(timepoint.timepointId) + 1;
// If index is 0, it means that the current timepoint was not in the list
// Log a warning and return here
if (!index) {
OHIF.log.warn('Current follow-up was not in the list of relevant follow-ups?');
return;
}
// Return the timepoint name as 'Follow-up N'
return 'Follow-up ' + index;
};