Merge branch 'delete-app-data' into 'master'

Delete app data

Closes #259

See merge request bloodyhealth/drip!146

components/settings/about.js

 import React, { Component } from 'react'
-import { View, ScrollView } from 'react-native'
+import { ScrollView } from 'react-native'
 import AppText from '../app-text'
+import SettingsSegment from './settings-segment'
 import styles from '../../styles/index'
 import labels from '../../i18n/en/settings'
+
 export default class AboutSection extends Component {
   render() {
     return (
       <ScrollView>
-        <View style={styles.settingsSegment}>
-          <AppText style={styles.settingsSegmentTitle}>{`${labels.aboutSection.title} `}</AppText>
+        <SettingsSegment title={`${labels.aboutSection.title} `}>
           <AppText>{`${labels.aboutSection.segmentExplainer} `}</AppText>
-        </View>
-        <View style={[styles.settingsSegment, styles.settingsSegmentLast]}>
-          <AppText style={styles.settingsSegmentTitle}>{`${labels.credits.title} `}</AppText>
+        </SettingsSegment>
+        <SettingsSegment title={`${labels.credits.title} `} style={styles.settingsSegmentLast}>
           <AppText>{`${labels.credits.note}`}</AppText>
-        </View>
+        </SettingsSegment>
       </ScrollView>
     )
   }

components/settings/data-management/confirm-with-password.js

+import React, { Component } from 'react'
+import { View, Alert } from 'react-native'
+
+import nodejs from 'nodejs-mobile-react-native'
+import { requestHash, openDb } from '../../../db'
+
+import PasswordField from '../password/password-field'
+import SettingsButton from '../settings-button'
+
+import settings from '../../../i18n/en/settings'
+import { shared } from '../../../i18n/en/labels'
+
+export default class ConfirmWithPassword extends Component {
+  constructor() {
+    super()
+    this.state = {
+      password: null
+    }
+    nodejs.channel.addListener(
+      'password-check',
+      this.checkPassword,
+      this
+    )
+  }
+
+  componentWillUnmount() {
+    nodejs.channel.removeListener('password-check', this.checkPassword)
+  }
+
+  resetPasswordInput = () => {
+    this.setState({ password: null })
+  }
+
+
+  onIncorrectPassword = () => {
+    Alert.alert(
+      shared.incorrectPassword,
+      shared.incorrectPasswordMessage,
+      [{
+        text: shared.cancel,
+        onPress: this.props.onCancel
+      }, {
+        text: shared.tryAgain,
+        onPress: this.resetPasswordInput
+      }]
+    )
+  }
+
+  checkPassword = async hash => {
+    try {
+      await openDb(hash)
+      this.props.onSuccess()
+    } catch (err) {
+      this.onIncorrectPassword()
+    }
+  }
+
+  handlePasswordInput = (password) => {
+    this.setState({ password })
+  }
+
+  initPasswordCheck = () => {
+    requestHash('password-check', this.state.password)
+  }
+
+  render() {
+
+    const { password } = this.state
+    const labels = settings.passwordSettings
+
+    return (
+      <View>
+        <PasswordField
+          placeholder={labels.enterCurrent}
+          value={password}
+          onChangeText={this.handlePasswordInput}
+        />
+        <SettingsButton
+          onPress={this.initPasswordCheck}
+          disabled={!password}
+        >
+          {settings.deleteSegment.title}
+        </SettingsButton>
+      </View>
+    )
+
+  }
+}
\ No newline at end of file

components/settings/data-management/constants.js

+export const EXPORT_FILE_NAME = 'data.csv'
\ No newline at end of file

components/settings/data-management/delete-data.js

+import React, { Component } from 'react'
+import RNFS from 'react-native-fs'
+import { Alert, ToastAndroid } from 'react-native'
+
+import { clearDb, isDbEmpty } from '../../../db'
+import { hasEncryptionObservable } from '../../../local-storage'
+import SettingsButton from '../settings-button'
+import ConfirmWithPassword from './confirm-with-password'
+import alertError from '../alert-error'
+
+import settings from '../../../i18n/en/settings'
+import { shared as sharedLabels } from '../../../i18n/en/labels'
+import { EXPORT_FILE_NAME } from './constants'
+
+const exportedFilePath = `${RNFS.DocumentDirectoryPath}/${EXPORT_FILE_NAME}`
+
+export default class DeleteData extends Component {
+  constructor() {
+    super()
+    this.state = {
+      isPasswordSet: hasEncryptionObservable.value,
+      isConfirmingWithPassword: false
+    }
+  }
+
+  onAlertConfirmation = () => {
+    if (this.state.isPasswordSet) {
+      this.setState({ isConfirmingWithPassword: true })
+    } else {
+      this.deleteAppData()
+    }
+  }
+
+  alertBeforeDeletion = async () => {
+    const { question, message, confirmation, errors } = settings.deleteSegment
+    if (isDbEmpty() && !await RNFS.exists(exportedFilePath)) {
+      alertError(errors.noData)
+    } else {
+      Alert.alert(
+        question,
+        message,
+        [{
+          text: confirmation,
+          onPress: this.onAlertConfirmation
+        }, {
+          text: sharedLabels.cancel,
+          style: 'cancel',
+          onPress: this.cancelConfirmationWithPassword
+        }]
+      )
+    }
+  }
+
+  deleteExportedFile = async () => {
+    if (await RNFS.exists(exportedFilePath)) {
+      await RNFS.unlink(exportedFilePath)
+    }
+  }
+
+  deleteAppData = async () => {
+    const { errors, success } = settings.deleteSegment
+
+    try {
+      if (!isDbEmpty()) {
+        clearDb()
+      }
+      await this.deleteExportedFile()
+      ToastAndroid.show(success.message, ToastAndroid.LONG)
+    } catch (err) {
+      alertError(errors.couldNotDeleteFile)
+    }
+    this.cancelConfirmationWithPassword()
+  }
+
+  cancelConfirmationWithPassword = () => {
+    this.setState({ isConfirmingWithPassword: false })
+  }
+
+  render() {
+    const { isConfirmingWithPassword } = this.state
+
+    if (isConfirmingWithPassword) {
+      return (
+        <ConfirmWithPassword
+          onSuccess={this.deleteAppData}
+          onCancel={this.cancelConfirmationWithPassword}
+        />
+      )
+    }
+
+    return (
+      <SettingsButton onPress={this.alertBeforeDeletion}>
+        {settings.deleteSegment.title}
+      </SettingsButton>
+    )
+  }
+}
\ No newline at end of file

components/settings/import-export/export-dialog.js → components/settings/data-management/export-dialog.js

@@ -4,6 +4,7 @@ import { getCycleDaysSortedByDate } from '../../../db'
 import getDataAsCsvDataUri from '../../../lib/import-export/export-to-csv'
 import alertError from '../alert-error'
 import settings from '../../../i18n/en/settings'
+import { EXPORT_FILE_NAME } from './constants'
 import RNFS from 'react-native-fs'
 
 export default async function exportData() {
@@ -24,7 +25,7 @@ export default async function exportData() {
   }
 
   try {
-    const path = RNFS.DocumentDirectoryPath + '/data.csv'
+    const path = `${RNFS.DocumentDirectoryPath}/${EXPORT_FILE_NAME}`
     await RNFS.writeFile(path, data)
 
     await Share.open({

components/settings/data-management/index.js

+import React from 'react'
+import { ScrollView } from 'react-native'
+import AppText from '../../app-text'
+import SettingsSegment from '../settings-segment'
+import SettingsButton from '../settings-button'
+import openImportDialogAndImport from './import-dialog'
+import openShareDialogAndExport from './export-dialog'
+import DeleteData from './delete-data'
+import labels from '../../../i18n/en/settings'
+import styles from '../../../styles/index'
+
+const DataManagement = () => {
+  return (
+    <ScrollView>
+      <SettingsSegment title={labels.export.button}>
+        <AppText>{labels.export.segmentExplainer}</AppText>
+        <SettingsButton onPress={openShareDialogAndExport}>
+          {labels.export.button}
+        </SettingsButton>
+      </SettingsSegment>
+      <SettingsSegment title={labels.import.button}>
+        <AppText>{labels.import.segmentExplainer}</AppText>
+        <SettingsButton onPress={openImportDialogAndImport}>
+          {labels.import.button}
+        </SettingsButton>
+      </SettingsSegment>
+      <SettingsSegment
+        title={labels.deleteSegment.title}
+        style={styles.settingsSegmentLast}
+      >
+        <AppText>{labels.deleteSegment.explainer}</AppText>
+        <DeleteData />
+      </SettingsSegment>
+    </ScrollView>
+  )
+}
+
+export default DataManagement
\ No newline at end of file

components/settings/import-export/index.js

-import React, { Component } from 'react'
-import {
-  View, ScrollView,
-  TouchableOpacity,
-} from 'react-native'
-import styles from '../../../styles/index'
-import labels from '../../../i18n/en/settings'
-import AppText from '../../app-text'
-import openImportDialogAndImport from './import-dialog'
-import openShareDialogAndExport from './export-dialog'
-
-export default class Settings extends Component {
-  constructor(props) {
-    super(props)
-    this.state = {}
-  }
-
-  render() {
-    return (
-      <ScrollView>
-        <View style={styles.settingsSegment}>
-          <AppText style={styles.settingsSegmentTitle}>
-            {labels.export.button}
-          </AppText>
-          <AppText>{labels.export.segmentExplainer}</AppText>
-          <TouchableOpacity
-            onPress={openShareDialogAndExport}
-            style={styles.settingsButton}>
-            <AppText style={styles.settingsButtonText}>
-              {labels.export.button}
-            </AppText>
-          </TouchableOpacity>
-        </View>
-        <View style={styles.settingsSegment}>
-          <AppText style={styles.settingsSegmentTitle}>
-            {labels.import.button}
-          </AppText>
-          <AppText>{labels.import.segmentExplainer}</AppText>
-          <TouchableOpacity
-            onPress={openImportDialogAndImport}
-            style={styles.settingsButton}>
-            <AppText style={styles.settingsButtonText}>
-              {labels.import.button}
-            </AppText>
-          </TouchableOpacity>
-        </View>
-      </ScrollView>
-    )
-  }
-}

components/settings/index.js

 import Reminders from './reminders'
 import NfpSettings from './nfp-settings'
-import ImportExport from './import-export'
+import DataManagement from './data-management'
 import Password from './password'
 import About from './about'
 
 export default {
-  Reminders, NfpSettings, ImportExport, Password, About
+  Reminders, NfpSettings, DataManagement, Password, About
 }

components/settings/password/check-current-password.js

@@ -3,18 +3,21 @@ import { openDb } from '../../../db'
 import { shared } from '../../../i18n/en/labels'
 
 export default async function checkPassword({hash, onCancel, onTryAgain }) {
-  const connected = await openDb(hash)
-  if (connected) return true
-  Alert.alert(
-    shared.incorrectPassword,
-    shared.incorrectPasswordMessage,
-    [{
-      text: shared.cancel,
-      onPress: onCancel
-    }, {
-      text: shared.tryAgain,
-      onPress: onTryAgain
-    }]
-  )
-  return false
+  try {
+    await openDb(hash)
+    return true
+  } catch (err) {
+    Alert.alert(
+      shared.incorrectPassword,
+      shared.incorrectPasswordMessage,
+      [{
+        text: shared.cancel,
+        onPress: onCancel
+      }, {
+        text: shared.tryAgain,
+        onPress: onTryAgain
+      }]
+    )
+    return false
+  }
 }
\ No newline at end of file

components/settings/password/create.js

@@ -2,7 +2,7 @@ import React, { Component } from 'react'
 import { View } from 'react-native'
 import settings from '../../../i18n/en/settings'
 import EnterNewPassword from './enter-new-password'
-import SettingsButton from './settings-button'
+import SettingsButton from '../settings-button'
 import showBackUpReminder from './show-backup-reminder'
 
 export default class CreatePassword extends Component {

components/settings/password/enter-new-password.js

@@ -5,7 +5,7 @@ import nodejs from 'nodejs-mobile-react-native'
 import { requestHash, changeEncryptionAndRestartApp } from '../../../db'
 import AppText from '../../app-text'
 import PasswordField from './password-field'
-import SettingsButton from './settings-button'
+import SettingsButton from '../settings-button'
 
 import styles from '../../../styles'
 import settings from '../../../i18n/en/settings'

components/settings/password/index.js

@@ -3,11 +3,11 @@ import { View, ScrollView } from 'react-native'
 import CreatePassword from './create'
 import ChangePassword from './update'
 import DeletePassword from './delete'
+import SettingsSegment from '../settings-segment'
 import AppText from '../../app-text'
 import {
   hasEncryptionObservable
 } from '../../../local-storage'
-import styles from '../../../styles/index'
 import labels from '../../../i18n/en/settings'
 
 export default class PasswordSetting extends Component {
@@ -22,11 +22,7 @@ export default class PasswordSetting extends Component {
   render() {
     return (
       <ScrollView>
-        <View style={styles.settingsSegment}>
-
-          <AppText style={styles.settingsSegmentTitle}>
-            {labels.passwordSettings.title}
-          </AppText>
+        <SettingsSegment title={labels.passwordSettings.title}>
 
           {this.state.showUpdateAndDelete ?
             <AppText>{labels.passwordSettings.explainerEnabled}</AppText>
@@ -45,7 +41,7 @@ export default class PasswordSetting extends Component {
           <CreatePassword/>
           }
 
-        </View>
+        </SettingsSegment>
       </ScrollView>
     )
   }

components/settings/password/update.js

@@ -6,7 +6,7 @@ import settings from '../../../i18n/en/settings'
 import { requestHash } from '../../../db'
 import EnterNewPassword from './enter-new-password'
 import PasswordField from './password-field'
-import SettingsButton from './settings-button'
+import SettingsButton from '../settings-button'
 import showBackUpReminder from './show-backup-reminder'
 import checkCurrentPassword from './check-current-password'
 

components/settings/password/settings-button.js → components/settings/settings-button.js

@@ -2,8 +2,8 @@ import React from 'react'
 import PropTypes from 'prop-types'
 
 import { TouchableOpacity } from 'react-native'
-import AppText from '../../app-text'
-import styles from '../../../styles'
+import AppText from '../app-text'
+import styles from '../../styles'
 
 const SettingsButton = ({ children, ...props }) => {
   return (

components/settings/settings-menu.js

@@ -7,14 +7,12 @@ import styles from '../../styles/index'
 import settingsLabels from '../../i18n/en/settings'
 import AppText from '../app-text'
 
-console.log(settingsLabels.menuTitles)
 const labels = settingsLabels.menuTitles
-console.log(settingsLabels.menuTitles)
 
 const menu = [
   {title: labels.reminders, component: 'Reminders'},
   {title: labels.nfpSettings, component: 'NfpSettings'},
-  {title: labels.importExport, component: 'ImportExport'},
+  {title: labels.dataManagement, component: 'DataManagement'},
   {title: labels.password, component: 'Password'},
   {title: labels.about, component: 'About'}
 ]

components/settings/settings-segment.js

+import React from 'react'
+import PropTypes from 'prop-types'
+
+import { View } from 'react-native'
+import AppText from '../app-text'
+import styles from '../../styles'
+
+const SettingsSegment = ({ children, ...props }) => {
+  return (
+    <View style={[styles.settingsSegment, props.style]}>
+      <AppText style={styles.settingsSegmentTitle}>{props.title}</AppText>
+      {children}
+    </View>
+  )
+}
+
+SettingsSegment.propTypes = {
+  title: PropTypes.string.isRequired
+}
+
+export default SettingsSegment
\ No newline at end of file

db/index.js

@@ -223,12 +223,20 @@ export async function changeEncryptionAndRestartApp(hash) {
   restart.Restart()
 }
 
+export function isDbEmpty () {
+  return db.empty
+}
+
 export async function deleteDbAndOpenNew() {
   const exists = await fs.exists(Realm.defaultPath)
   if (exists) await fs.unlink(Realm.defaultPath)
   await openDb()
 }
 
+export function clearDb() {
+  db.write(db.deleteAll)
+}
+
 function hashToInt8Array(hash) {
   const key = new Uint8Array(64)
   for (let i = 0; i < key.length; i++) {

i18n/en/labels.js

@@ -27,7 +27,7 @@ export const headerTitles = {
   SettingsMenu: 'Settings',
   Reminders: settingsTitles.reminders,
   NfpSettings: settingsTitles.nfpSettings,
-  ImportExport: settingsTitles.importExport,
+  DataManagement: settingsTitles.dataManagement,
   Password: settingsTitles.password,
   About: settingsTitles.about,
   BleedingEditView: 'Bleeding',

i18n/en/settings.js

@@ -2,7 +2,7 @@
 export default {
   menuTitles: {
     reminders: 'Reminders',
-    importExport: 'Import and Export',
+    dataManagement: 'Manage your data',
     nfpSettings: 'NFP settings',
     password: 'Password',
     about: 'About'
@@ -35,6 +35,21 @@ export default {
     },
     segmentExplainer: 'Import data in CSV format'
   },
+  deleteSegment: {
+    title: 'Delete app data',
+    explainer: 'Delete app data from this phone',
+    question: 'Do you want to delete app data from this phone?',
+    message: 'Please note that deletion of the app data is permanent and irreversible. We recommend exporting existing data before deletion.',
+    confirmation: 'Delete app data permanently',
+    errors: {
+      couldNotDeleteFile: 'Could not delete data',
+      postFix: 'No data was deleted or changed',
+      noData: 'There is no data to delete'
+    },
+    success: {
+      message: 'App data successfully deleted'
+    }
+  },
   tempScale: {
     segmentTitle: 'Temperature scale',
     segmentExplainer: 'Change the minimum and maximum value for the temperature chart',