mashazyu
72 lines
2.2 KiB
JavaScript
72 lines
2.2 KiB
JavaScript
import { ChronoUnit, LocalDate } from 'js-joda'
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import { formatDateForShortText } from './format-date'
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import {
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home as labels,
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bleedingPrediction as predictLabels,
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} from '../../i18n/en/labels'
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function getTimes(prediction) {
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const todayDate = LocalDate.now()
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const predictedBleedingStart = LocalDate.parse(prediction[0][0])
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/* the range of predicted bleeding days can be either 3 or 5 */
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const predictedBleedingEnd =
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LocalDate.parse(prediction[0][ prediction[0].length - 1 ])
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const daysToEnd = todayDate.until(predictedBleedingEnd, ChronoUnit.DAYS)
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return { todayDate, predictedBleedingStart, predictedBleedingEnd, daysToEnd }
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}
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export function determinePredictionText(bleedingPrediction) {
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if (!bleedingPrediction.length) return predictLabels.noPrediction
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const {
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todayDate,
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predictedBleedingStart,
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predictedBleedingEnd,
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daysToEnd
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} = getTimes(bleedingPrediction)
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if (todayDate.isBefore(predictedBleedingStart)) {
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return predictLabels.predictionInFuture(
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todayDate.until(predictedBleedingStart, ChronoUnit.DAYS),
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todayDate.until(predictedBleedingEnd, ChronoUnit.DAYS)
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)
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}
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if (todayDate.isAfter(predictedBleedingEnd)) {
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return predictLabels.predictionInPast(
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formatDateForShortText(predictedBleedingStart),
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formatDateForShortText(predictedBleedingEnd)
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)
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}
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if (daysToEnd === 0) {
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return predictLabels.predictionStartedNoDaysLeft
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} else if (daysToEnd === 1) {
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return predictLabels.predictionStarted1DayLeft
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} else {
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return predictLabels.predictionStartedXDaysLeft(daysToEnd)
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}
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}
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export function getBleedingPredictionRange(prediction) {
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if (!prediction.length) return labels.unknown
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const {
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todayDate,
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predictedBleedingStart,
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predictedBleedingEnd,
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daysToEnd
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} = getTimes(prediction)
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if (todayDate.isBefore(predictedBleedingStart)) {
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return `${todayDate.until(predictedBleedingStart, ChronoUnit.DAYS)}-${todayDate.until(predictedBleedingEnd, ChronoUnit.DAYS)}`
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}
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if (todayDate.isAfter(predictedBleedingEnd)) {
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return labels.unknown
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}
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return (daysToEnd === 0 ? '0' : `0 - ${daysToEnd}`)
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}
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export const dateEnding = {
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'1': 'st',
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'2': 'nd',
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'3': 'rd',
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'default': 'th'
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}
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