Use the date from context

Chore: add translations to stats

See merge request bloodyhealth/drip!545

components/Home.js

@@ -4,7 +4,9 @@ import PropTypes from 'prop-types'
 import moment from 'moment'
 
 import AppText from './common/app-text'
+import Asterisk from './common/Asterisk'
 import Button from './common/button'
+import Footnote from './common/Footnote'
 
 import cycleModule from '../lib/cycle'
 import { getFertilityStatusForDay } from '../lib/sympto-adapter'
@@ -16,9 +18,11 @@ import {
 import { Colors, Fonts, Sizes, Spacing } from '../styles'
 import { LocalDate } from '@js-joda/core'
 import { useTranslation } from 'react-i18next'
+import { useDate } from '../hooks/useDate'
 
-const Home = ({ navigate, setDate }) => {
+const Home = ({ navigate }) => {
   const { t } = useTranslation()
+  const { setDate } = useDate()
 
   function navigateToCycleDayView() {
     setDate(todayDateString)
@@ -69,26 +73,12 @@ const Home = ({ navigate, setDate }) => {
       <Button isCTA isSmall={false} onPress={navigateToCycleDayView}>
         {t('labels.home.addDataForToday')}
       </Button>
-      {phase && (
+      {phase && <Footnote>{statusText}</Footnote>}
-        <View style={styles.asteriskLine}>
-          <Asterisk />
-          <AppText linkStyle={styles.whiteText} style={styles.greyText}>
-            {statusText}
-          </AppText>
-        </View>
-      )}
     </ScrollView>
   )
 }
 
-const Asterisk = () => {
-  return <AppText style={styles.asterisk}>*</AppText>
-}
-
 const styles = StyleSheet.create({
-  asterisk: {
-    color: Colors.orange,
-  },
   container: {
     backgroundColor: Colors.purple,
     flex: 1,
@@ -104,12 +94,6 @@ const styles = StyleSheet.create({
     marginBottom: Spacing.tiny,
     marginTop: Spacing.small,
   },
-  asteriskLine: {
-    flexDirection: 'row',
-    alignContent: 'flex-start',
-    marginBottom: Spacing.tiny,
-    marginTop: Spacing.small,
-  },
   title: {
     color: Colors.purpleLight,
     fontFamily: Fonts.bold,
@@ -124,18 +108,10 @@ const styles = StyleSheet.create({
     color: 'white',
     fontSize: Sizes.subtitle,
   },
-  whiteText: {
-    color: 'white',
-  },
-  greyText: {
-    color: Colors.greyLight,
-    paddingLeft: Spacing.base,
-  },
 })
 
 Home.propTypes = {
   navigate: PropTypes.func,
-  setDate: PropTypes.func,
 }
 
 export default Home

components/app-wrapper.js

@@ -10,6 +10,8 @@ import AppStatusBar from './common/app-status-bar'
 import AcceptLicense from './AcceptLicense'
 import PasswordPrompt from './password-prompt'
 
+import { DateProvider } from '../hooks/useDate'
+
 export default function AppWrapper() {
   const [isLoading, setIsLoading] = useState(true)
   const [isLicenseAccepted, setIsLicenseAccepted] = useState(false)
@@ -47,7 +49,9 @@ export default function AppWrapper() {
       {isDbEncrypted ? (
         <PasswordPrompt enableShowApp={() => setIsDbEncrypted(false)} />
       ) : (
+        <DateProvider>
           <App restartApp={() => checkIsDbEncrypted()} />
+        </DateProvider>
       )}
     </>
   )

components/app.js

@@ -2,7 +2,7 @@ import React, { useState, useEffect } from 'react'
 import { BackHandler, StyleSheet, View } from 'react-native'
 import PropTypes from 'prop-types'
 
-import { LocalDate } from '@js-joda/core'
+import { useDate } from '../hooks/useDate'
 
 import Header from './header'
 import Menu from './menu'
@@ -13,7 +13,8 @@ import setupNotifications from '../lib/notifications'
 import { closeDb } from '../db'
 
 const App = ({ restartApp }) => {
-  const [date, setDate] = useState(LocalDate.now().toString())
+  const { setDate } = useDate()
+
   const [currentPage, setCurrentPage] = useState('Home')
   const goBack = () => {
     if (currentPage === 'Home') {
@@ -43,8 +44,6 @@ const App = ({ restartApp }) => {
   const isTemperatureEditView = currentPage === 'TemperatureEditView'
   const headerProps = { navigate: setCurrentPage }
   const pageProps = {
-    date,
-    setDate,
     isTemperatureEditView,
     navigate: setCurrentPage,
   }

components/calendar.js

@@ -3,6 +3,8 @@ import PropTypes from 'prop-types'
 import { StyleSheet, View } from 'react-native'
 import { CalendarList } from 'react-native-calendars'
 
+import { useDate } from '../hooks/useDate'
+
 import { getBleedingDaysSortedByDate } from '../db'
 import cycleModule from '../lib/cycle'
 import {
@@ -12,7 +14,8 @@ import {
   todayToCalFormat,
 } from './helpers/calendar'
 
-const CalendarView = ({ setDate, navigate }) => {
+const CalendarView = ({ navigate }) => {
+  const { setDate } = useDate()
   const bleedingDays = getBleedingDaysSortedByDate()
   const predictedMenses = cycleModule().getPredictedMenses()
 
@@ -49,7 +52,6 @@ const styles = StyleSheet.create({
 })
 
 CalendarView.propTypes = {
-  setDate: PropTypes.func.isRequired,
   navigate: PropTypes.func.isRequired,
 }
 

components/chart/chart.js

@@ -28,12 +28,24 @@ import { Spacing } from '../../styles'
 const getSymptomsFromCycleDays = (cycleDays) =>
   SYMPTOMS.filter((symptom) => cycleDays.some((cycleDay) => cycleDay[symptom]))
 
-const CycleChart = ({ navigate, setDate }) => {
+const CycleChart = ({ navigate }) => {
   const [shouldShowHint, setShouldShowHint] = useState(true)
 
-  useEffect(async () => {
+  useEffect(() => {
+    let isMounted = true
+
+    async function checkShouldShowHint() {
       const flag = await getChartFlag()
+      if (isMounted) {
         setShouldShowHint(flag === 'true')
+      }
+    }
+
+    checkShouldShowHint()
+
+    return () => {
+      isMounted = false
+    }
   }, [])
 
   const hideHint = () => {
@@ -72,7 +84,6 @@ const CycleChart = ({ navigate, setDate }) => {
   const renderColumn = ({ item }) => {
     return (
       <DayColumn
-        setDate={setDate}
         dateString={item}
         navigate={navigate}
         symptomHeight={symptomHeight}
@@ -124,7 +135,6 @@ const CycleChart = ({ navigate, setDate }) => {
 
 CycleChart.propTypes = {
   navigate: PropTypes.func,
-  setDate: PropTypes.func,
 }
 
 const styles = StyleSheet.create({

components/chart/day-column.js

@@ -8,6 +8,8 @@ import SymptomCell from './symptom-cell'
 import TemperatureColumn from './temperature-column'
 import CycleDayLabel from './cycle-day-label'
 
+import { useDate } from '../../hooks/useDate'
+
 import {
   symptomColorMethods,
   getTemperatureProps,
@@ -19,13 +21,13 @@ const DayColumn = ({
   dateString,
   chartSymptoms,
   columnHeight,
-  setDate,
   navigate,
   shouldShowTemperatureColumn,
   symptomHeight,
   symptomRowSymptoms,
   xAxisHeight,
 }) => {
+  const { setDate } = useDate()
   const cycleDayData = getCycleDay(dateString)
   let data = {}
 
@@ -105,7 +107,6 @@ DayColumn.propTypes = {
   chartSymptoms: PropTypes.array,
   columnHeight: PropTypes.number.isRequired,
   navigate: PropTypes.func.isRequired,
-  setDate: PropTypes.func.isRequired,
   shouldShowTemperatureColumn: PropTypes.bool,
   symptomHeight: PropTypes.number.isRequired,
   symptomRowSymptoms: PropTypes.array,

components/common/Asterisk.js

@@ -0,0 +1,16 @@
+import React from 'react'
+import { StyleSheet } from 'react-native'
+
+import AppText from './app-text'
+
+import { Colors } from '../../styles'
+
+const Asterisk = () => <AppText style={styles.asterisk}>*</AppText>
+
+const styles = StyleSheet.create({
+  asterisk: {
+    color: Colors.orange,
+  },
+})
+
+export default Asterisk

components/common/Footnote.js

@@ -0,0 +1,43 @@
+import React from 'react'
+import PropTypes from 'prop-types'
+import { StyleSheet, View } from 'react-native'
+
+import AppText from '../common/app-text'
+import Asterisk from '../common/Asterisk'
+
+import { Colors, Spacing } from '../../styles'
+
+const Footnote = ({ children }) => {
+  if (!children) return false
+
+  return (
+    <View style={styles.container}>
+      <Asterisk />
+      <AppText linkStyle={styles.link} style={styles.text}>
+        {children}
+      </AppText>
+    </View>
+  )
+}
+
+Footnote.propTypes = {
+  children: PropTypes.node,
+}
+
+const styles = StyleSheet.create({
+  container: {
+    flexDirection: 'row',
+    alignContent: 'flex-start',
+    marginBottom: Spacing.tiny,
+    marginTop: Spacing.small,
+  },
+  link: {
+    color: 'white',
+  },
+  text: {
+    color: Colors.greyLight,
+    paddingLeft: Spacing.base,
+  },
+})
+
+export default Footnote

components/cycle-day/cycle-day-overview.js

@@ -9,10 +9,13 @@ import SymptomPageTitle from './symptom-page-title'
 import { getCycleDay } from '../../db'
 import { getData, nextDate, prevDate } from '../helpers/cycle-day'
 
+import { useDate } from '../../hooks/useDate'
+
 import { Spacing } from '../../styles'
 import { SYMPTOMS } from '../../config'
 
-const CycleDayOverView = ({ date, setDate, isTemperatureEditView }) => {
+const CycleDayOverView = ({ isTemperatureEditView }) => {
+  const { date, setDate } = useDate()
   const cycleDay = getCycleDay(date)
 
   const [editedSymptom, setEditedSymptom] = useState(
@@ -58,8 +61,6 @@ const CycleDayOverView = ({ date, setDate, isTemperatureEditView }) => {
 
 CycleDayOverView.propTypes = {
   cycleDay: PropTypes.object,
-  date: PropTypes.string,
-  setDate: PropTypes.func,
   isTemperatureEditView: PropTypes.bool,
 }
 

components/stats/StatsOverview.js

@@ -2,7 +2,7 @@ import React from 'react'
 import { StyleSheet, View } from 'react-native'
 import PropTypes from 'prop-types'
 
-import AppText from './app-text'
+import AppText from '../common/app-text'
 
 import { Sizes, Spacing, Typography } from '../../styles'
 

components/stats/StatsTable.js

@@ -3,7 +3,7 @@ import { FlatList, StyleSheet, View } from 'react-native'
 import PropTypes from 'prop-types'
 import { useTranslation } from 'react-i18next'
 
-import AppText from './app-text'
+import AppText from '../common/app-text'
 
 import cycleModule from '../../lib/cycle'
 import { Spacing, Typography, Colors } from '../../styles'

components/stats/index.js

@@ -1,39 +1,45 @@
 import React from 'react'
 import { ImageBackground, View } from 'react-native'
 import { ScaledSheet } from 'react-native-size-matters'
+import { useTranslation } from 'react-i18next'
 
-import AppText from './common/app-text'
+import AppText from '../common/app-text'
-import StatsOverview from './common/StatsOverview'
+import StatsOverview from './StatsOverview'
-import StatsTable from './common/StatsTable'
+import StatsTable from './StatsTable'
 
-import cycleModule from '../lib/cycle'
+import cycleModule from '../../lib/cycle'
-import { getCycleLengthStats as getCycleInfo } from '../lib/cycle-length'
+import { getCycleLengthStats as getCycleInfo } from '../../lib/cycle-length'
-import { stats as labels } from '../i18n/en/labels'
 
-import { Containers, Sizes, Spacing, Typography } from '../styles'
+import { Containers, Sizes, Spacing, Typography } from '../../styles'
 
-const image = require('../assets/cycle-icon.png')
+const image = require('../../assets/cycle-icon.png')
 
 const Stats = () => {
+  const { t } = useTranslation(null, { keyPrefix: 'stats' })
+
   const cycleLengths = cycleModule().getAllCycleLengths()
   const numberOfCycles = cycleLengths.length
-  const hasAtLeastOneCycle = numberOfCycles >= 1
+  const cycleData =
-  const cycleData = hasAtLeastOneCycle
+    numberOfCycles > 0
       ? getCycleInfo(cycleLengths)
       : { minimum: '—', maximum: '—', stdDeviation: '—' }
+  const standardDeviation = cycleData.stdDeviation
+    ? cycleData.stdDeviation
+    : '—'
   const statsData = [
-    [cycleData.minimum, labels.minLabel],
+    [cycleData.minimum, t('overview.min')],
-    [cycleData.maximum, labels.maxLabel],
+    [cycleData.maximum, t('overview.max')],
-    [cycleData.stdDeviation ? cycleData.stdDeviation : '—', labels.stdLabel],
+    [standardDeviation, t('overview.standardDeviation')],
-    [numberOfCycles, labels.basisOfStatsEnd],
+    [numberOfCycles, t('overview.completedCycles')],
   ]
 
   return (
     <View style={styles.pageContainer}>
       <View style={styles.overviewContainer}>
-        <AppText>{labels.cycleLengthExplainer}</AppText>
+        <AppText>{t('intro')}</AppText>
-        {!hasAtLeastOneCycle && <AppText>{labels.emptyStats}</AppText>}
+        {numberOfCycles === 0 ? (
-        {hasAtLeastOneCycle && (
+          <AppText>{t('noData')}</AppText>
+        ) : (
           <View style={styles.container}>
             <View style={styles.columnLeft}>
               <ImageBackground
@@ -49,11 +55,11 @@ const Stats = () => {
                   {cycleData.mean}
                 </AppText>
                 <AppText style={styles.accentPurpleHuge}>
-                  {labels.daysLabel}
+                  {t('overview.days')}
                 </AppText>
               </ImageBackground>
               <AppText style={styles.accentOrange}>
-                {labels.averageLabel}
+                {t('overview.average')}
               </AppText>
             </View>
             <View style={styles.columnRight}>

hooks/useDate.js

@@ -0,0 +1,24 @@
+import React, { createContext, useContext, useState } from 'react'
+import PropTypes from 'prop-types'
+import { LocalDate } from '@js-joda/core'
+
+const DateContext = createContext()
+
+export const DateProvider = ({ children }) => {
+  const [date, setDate] = useState(LocalDate.now().toString())
+
+  return (
+    <DateContext.Provider value={{ date, setDate }}>
+      {children}
+    </DateContext.Provider>
+  )
+}
+
+DateProvider.propTypes = {
+  children: PropTypes.node,
+}
+
+export const useDate = () => {
+  const { date, setDate } = useContext(DateContext)
+  return { date, setDate }
+}

i18n/en.json

@@ -61,6 +61,25 @@
       }
     }
   },
+  "stats": {
+    "noData": "At least one completed cycle is needed to display stats.",
+    "intro": "Basic statistics about the length of your cycles.",
+    "overview": {
+      "average": "Average cycle",
+      "days": "days",
+      "min": "Shortest",
+      "max": "Longest",
+      "standardDeviation": "Standard\ndeviation",
+      "completedCycles": "completed\ncycles"
+    },
+    "showStats": "Show period details",
+    "details": {
+      "cycleStart": "Cycle start",
+      "cycleLength": "Cycle length",
+      "bleedingDays": "Bleeding"
+    },
+    "footnote": "Based on the standard deviation of all your tracked periods drip. calculates a range for the starting day of the upcoming 3 periods. The range will be 3 days if your standard deviation is smaller than 1.5 and 5 days if the value is bigger.\n\nThe standard deviation tells you how much the length of your periods vary, 0 means all your periods are exactly the same length and the bigger the value the more the period length varies."
+  },
   "plurals": {
     "day": "{{count}} day",
     "day_plural": "{{count}} days"

test/components/common/Footnote.spec.js

@@ -0,0 +1,19 @@
+import React from 'react'
+import { render } from '@testing-library/react-native'
+
+import Footnote from '../../../components/common/Footnote'
+
+describe('Footnote component', () => {
+  test('when children are present, renders them', () => {
+    const text = 'Some footnote text'
+    const { toJSON } = render(<Footnote>{text}</Footnote>)
+
+    expect(toJSON()).toMatchSnapshot()
+  })
+
+  test('when no children, renders nothing', () => {
+    const { toJSON } = render(<Footnote></Footnote>)
+
+    expect(toJSON()).toMatchSnapshot()
+  })
+})

test/components/common/__snapshots__/Footnote.spec.js.snap

@@ -0,0 +1,55 @@
+// Jest Snapshot v1, https://goo.gl/fbAQLP
+
+exports[`Footnote component when children are present, renders them 1`] = `
+<View
+  style={
+    Object {
+      "alignContent": "flex-start",
+      "flexDirection": "row",
+      "marginBottom": 8.571428571428571,
+      "marginTop": 21.428571428571427,
+    }
+  }
+>
+  <Text
+    style={
+      Array [
+        Object {
+          "color": "#555",
+          "fontFamily": "Jost-Book",
+          "fontSize": 34.285714285714285,
+        },
+        Object {
+          "color": "#F38337",
+        },
+      ]
+    }
+  >
+    *
+  </Text>
+  <Text
+    linkStyle={
+      Object {
+        "color": "white",
+      }
+    }
+    style={
+      Array [
+        Object {
+          "color": "#555",
+          "fontFamily": "Jost-Book",
+          "fontSize": 34.285714285714285,
+        },
+        Object {
+          "color": "#CCC",
+          "paddingLeft": 34.285714285714285,
+        },
+      ]
+    }
+  >
+    Some footnote text
+  </Text>
+</View>
+`;
+
+exports[`Footnote component when no children, renders nothing 1`] = `null`;