From c017afb39249b5732fd160b56fdd9a7e488a419b Mon Sep 17 00:00:00 2001
From: Stan Chan <stanchan@users.noreply.github.com>
Date: Fri, 7 Jul 2017 15:21:48 -0700
Subject: [PATCH] RN-66 Clear cache store (#727)

* RN-66 Clear cache store

* Review feedback
---
 app/actions/views/root.js        |  5 +++++
 app/mattermost.js                |  6 +++---
 app/screens/settings/index.js    |  4 +++-
 app/screens/settings/settings.js | 29 ++++++++++++++++++++++++++++-
 assets/base/i18n/en.json         |  3 +++
 5 files changed, 42 insertions(+), 5 deletions(-)

diff --git a/app/actions/views/root.js b/app/actions/views/root.js
index a2f50c066..5da2dcb69 100644
--- a/app/actions/views/root.js
+++ b/app/actions/views/root.js
@@ -10,6 +10,7 @@ import {
 } from 'app/actions/views/channel';
 import {handleTeamChange, selectFirstAvailableTeam} from 'app/actions/views/select_team';
 
+import {General} from 'mattermost-redux/constants';
 import {getClientConfig, getLicenseConfig, setServerVersion} from 'mattermost-redux/actions/general';
 import {markChannelAsRead, viewChannel} from 'mattermost-redux/actions/channels';
 
@@ -71,6 +72,10 @@ export function setStatusBarHeight(height = 20) {
     };
 }
 
+export function purgeOfflineStore() {
+    return {type: General.OFFLINE_STORE_PURGE};
+}
+
 export default {
     loadConfigAndLicense,
     queueNotification,
diff --git a/app/mattermost.js b/app/mattermost.js
index baeb9c497..3ad0cd5e4 100644
--- a/app/mattermost.js
+++ b/app/mattermost.js
@@ -18,16 +18,16 @@ import {setJSExceptionHandler} from 'react-native-exception-handler';
 import StatusBarSizeIOS from 'react-native-status-bar-size';
 import semver from 'semver';
 
+import {General} from 'mattermost-redux/constants';
 import {setAppState, setDeviceToken, setServerVersion} from 'mattermost-redux/actions/general';
 import {markChannelAsRead} from 'mattermost-redux/actions/channels';
 import {logError} from 'mattermost-redux/actions/errors';
 import {logout} from 'mattermost-redux/actions/users';
 import {close as closeWebSocket} from 'mattermost-redux/actions/websocket';
 import {Client4} from 'mattermost-redux/client';
-import {General} from 'mattermost-redux/constants';
 import EventEmitter from 'mattermost-redux/utils/event_emitter';
 
-import {goToNotification, loadConfigAndLicense, queueNotification, setStatusBarHeight} from 'app/actions/views/root';
+import {goToNotification, loadConfigAndLicense, queueNotification, setStatusBarHeight, purgeOfflineStore} from 'app/actions/views/root';
 import {setChannelDisplayName} from 'app/actions/views/channel';
 import {NavigationTypes, ViewTypes} from 'app/constants';
 import {getTranslations} from 'app/i18n';
@@ -80,7 +80,7 @@ export default class Mattermost {
                     text: intl.formatMessage({id: 'mobile.error_handler.button', defaultMessage: 'Relaunch'}),
                     onPress: () => {
                         // purge the store
-                        store.dispatch({type: General.OFFLINE_STORE_PURGE});
+                        store.dispatch(purgeOfflineStore());
                     }
                 }],
                 {cancelable: false}
diff --git a/app/screens/settings/index.js b/app/screens/settings/index.js
index 42012db94..c392e394a 100644
--- a/app/screens/settings/index.js
+++ b/app/screens/settings/index.js
@@ -9,6 +9,7 @@ import {logout} from 'mattermost-redux/actions/users';
 import {getCurrentUrl} from 'mattermost-redux/selectors/entities/general';
 import {getJoinableTeams} from 'mattermost-redux/selectors/entities/teams';
 
+import {purgeOfflineStore} from 'app/actions/views/root';
 import {getTheme} from 'app/selectors/preferences';
 import {removeProtocol} from 'app/utils/url';
 
@@ -33,7 +34,8 @@ function mapDispatchToProps(dispatch) {
     return {
         actions: bindActionCreators({
             clearErrors,
-            logout
+            logout,
+            purgeOfflineStore
         }, dispatch)
     };
 }
diff --git a/app/screens/settings/settings.js b/app/screens/settings/settings.js
index 607649d4f..3bcd0d361 100644
--- a/app/screens/settings/settings.js
+++ b/app/screens/settings/settings.js
@@ -5,6 +5,7 @@ import React, {PureComponent} from 'react';
 import PropTypes from 'prop-types';
 import {injectIntl, intlShape} from 'react-intl';
 import {
+    Alert,
     InteractionManager,
     Linking,
     Platform,
@@ -24,7 +25,8 @@ class Settings extends PureComponent {
     static propTypes = {
         actions: PropTypes.shape({
             clearErrors: PropTypes.func.isRequired,
-            logout: PropTypes.func.isRequired
+            logout: PropTypes.func.isRequired,
+            purgeOfflineStore: PropTypes.func.isRequired
         }).isRequired,
         config: PropTypes.object.isRequired,
         currentTeamId: PropTypes.string.isRequired,
@@ -153,6 +155,22 @@ class Settings extends PureComponent {
         Linking.openURL(config.HelpLink.toLowerCase());
     };
 
+    clearOfflineCache = () => {
+        const {actions, intl} = this.props;
+
+        Alert.alert(
+            intl.formatMessage({id: 'mobile.settings.clear', defaultMessage: 'Clear Offline Store'}),
+            intl.formatMessage({id: 'mobile.settings.clear_message', defaultMessage: '\nThis will clear all offline data and restart the app. You will be automatically logged back in once the app restarts.\n'}),
+            [{
+                text: intl.formatMessage({id: 'mobile.settings.clear_button', defaultMessage: 'Clear'}),
+                onPress: () => actions.purgeOfflineStore()
+            }, {
+                text: intl.formatMessage({id: 'channel_modal.cancel', defaultMessage: 'Cancel'}),
+                onPress: () => true
+            }]
+        );
+    }
+
     render() {
         const {config, joinableTeams, theme} = this.props;
         const style = getStyleSheet(theme);
@@ -203,6 +221,15 @@ class Settings extends PureComponent {
                         separator={true}
                         theme={theme}
                     />
+                    <SettingsItem
+                        defaultMessage='Clear Offline Store'
+                        i18nId='mobile.settings.clear'
+                        iconName='storage'
+                        iconType='material'
+                        onPress={() => this.handlePress(this.clearOfflineCache)}
+                        separator={true}
+                        theme={theme}
+                    />
                     <SettingsItem
                         defaultMessage='About Mattermost'
                         i18nId='about.title'
diff --git a/assets/base/i18n/en.json b/assets/base/i18n/en.json
index 86395e49b..2e186ac3c 100644
--- a/assets/base/i18n/en.json
+++ b/assets/base/i18n/en.json
@@ -1765,6 +1765,9 @@
   "mobile.server_url.invalid_format": "URL must start with http:// or https://",
   "mobile.session_expired": "Session Expired: Please log in to continue receiving notifications.",
   "mobile.settings.team_selection": "Team Selection",
+  "mobile.settings.clear": "Clear Offline Store",
+  "mobile.settings.clear_message": "\nThis will clear all offline data and restart the app. You will be automatically logged back in once the app restarts.\n",
+  "mobile.settings.clear_button": "Clear",
   "modal.manaul_status.ask": "Do not ask me again",
   "modal.manaul_status.button": "Yes, set my status to \"Online\"",
   "modal.manaul_status.cancel": "No, keep it as \"{status}\"",