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