tina
51 lines
1.7 KiB
JavaScript
51 lines
1.7 KiB
JavaScript
import React, { Component } from 'react'
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import {
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View,
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Text,
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ScrollView
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} from 'react-native'
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import { LocalDate, ChronoUnit } from 'js-joda'
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import styles from '../styles/index'
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import cycleModule from '../lib/cycle'
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import getPeriodInfo from '../lib/period-length'
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export default class Stats extends Component {
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constructor(props) {
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super(props)
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const allMensesStarts = cycleModule().getAllMensesStarts()
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this.test = allMensesStarts
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const cycleLengths = getCycleLength(allMensesStarts)
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this.bla = cycleLengths
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this.numberOfCycles = cycleLengths.length
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this.periodInfo = getPeriodInfo(cycleLengths)
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}
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render() {
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console.log('...............')
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console.log(this.test)
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console.log(this.bla)
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return (
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<ScrollView>
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<Text style={styles.welcome}>based on {this.numberOfCycles} periods:</Text>
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<Text style={styles.welcome}>min: {this.periodInfo.minimum}</Text>
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<Text style={styles.welcome}>mean: {this.periodInfo.mean}</Text>
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<Text style={styles.welcome}>max: {this.periodInfo.maximum}</Text>
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<Text style={styles.welcome}>median: {this.periodInfo.median}</Text>
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<Text style={styles.welcome}>standard deviation: {this.periodInfo.stdDeviation}</Text>
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</ScrollView>
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)
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}
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}
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function getCycleLength(cycleStartDates) {
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const cycleStartDatesReverse = cycleStartDates.reverse()
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const periodLengths = []
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for (let i = 0; i < cycleStartDates.length - 1; i++) {
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const periodStart = LocalDate.parse(cycleStartDatesReverse[i])
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const periodEnd = LocalDate.parse(cycleStartDatesReverse[i + 1])
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periodLengths.unshift(periodStart.until(periodEnd, ChronoUnit.DAYS))
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}
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return periodLengths.reverse()
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} |