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Prove of concept to store the push notifications token #1

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Merged
merged 1 commit into from
Mar 9, 2018
Merged

Prove of concept to store the push notifications token #1

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26 changes: 23 additions & 3 deletions App.js
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Original file line number Diff line number Diff line change
Expand Up @@ -2,16 +2,36 @@ import React from 'react';
import { StyleSheet, Text, View, WebView } from 'react-native';
import { registerForPushNotificationsAsync } from './lib/pushNotifications';

const loggedInUrlRegex = /members/;
const mainUrl = 'https://www.timeoverflow.org/';

export default class App extends React.Component {
componentDidMount() {
registerForPushNotificationsAsync();
componentDidMount() {}

registerForPushNotifications() {
const token = await registerForPushNotificationsAsync();

this.runRemoteTokenStoring(token);
}

onNavigationStateChange({ url }) {
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You can do the following, to avoid binding to this on the render method. It's magic.

-  onNavigationStateChange({ url }) { 
+ onNavigationStateChange = ({url}) => {
+ ...
+ }

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wat?! can you explain that? I'm just a poor rubyist trying to understand this...

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haha, maybe the current syntax is more accessible then :P

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I shouldn't be the one taken as example :trollface:

if (loggedInUrlRegex.test(url)) {
this.registerForPushNotifications()
}
}

runRemoteTokenStoring(token) {
this.webview.injectJavaScript(`window.TimeOverflowRegisterExpoDeviceToken(\'${token}\');`);
}

render() {
return (
<WebView
source={{uri: 'https://www.timeoverflow.org/'}}
ref={ref => (this.webview = ref)}
source={{ uri: mainUrl }}
style={{marginTop: 20}}
onNavigationStateChange={this.onNavigationStateChange.bind(this)}
scalesPageToFit={false}
/>
);
}
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28 changes: 4 additions & 24 deletions lib/pushNotifications.js
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Expand Up @@ -3,9 +3,8 @@ import { Permissions, Notifications } from 'expo';
const PUSH_ENDPOINT = 'https://your-server.com/users/push-token';

export async function registerForPushNotificationsAsync() {
const { status: existingStatus } = await Permissions.getAsync(
Permissions.NOTIFICATIONS
);
const { status: existingStatus } = await Permissions.getAsync(Permissions.NOTIFICATIONS);

let finalStatus = existingStatus;

// only ask if permissions have not already been determined, because
Expand All @@ -18,29 +17,10 @@ export async function registerForPushNotificationsAsync() {
}

// Stop here if the user did not grant permissions
if (finalStatus !== 'granted') {
return;
}
if (finalStatus !== 'granted') return;

// Get the token that uniquely identifies this device
let token = await Notifications.getExpoPushTokenAsync();

console.log('user token', token);

// POST the token to your backend server from where you can retrieve it to send push notifications.
// return fetch(PUSH_ENDPOINT, {
// method: 'POST',
// headers: {
// Accept: 'application/json',
// 'Content-Type': 'application/json',
// },
// body: JSON.stringify({
// token: {
// value: token,
// },
// user: {
// username: 'Brent',
// },
// }),
// });
return token;
}