application-amicale/utils/Notifications.js

125 lines
4.1 KiB
JavaScript

// @flow
import * as Permissions from 'expo-permissions';
import {Notifications} from 'expo';
import AsyncStorageManager from "../managers/AsyncStorageManager";
import LocaleManager from "../managers/LocaleManager";
import passwords from "../passwords";
const EXPO_TOKEN_SERVER = 'https://etud.insa-toulouse.fr/~amicale_app/expo_notifications/save_token.php';
/**
* Async function asking permission to send notifications to the user
*
* @returns {Promise}
*/
export async function askPermissions() {
const {status: existingStatus} = await Permissions.getAsync(Permissions.NOTIFICATIONS);
let finalStatus = existingStatus;
if (existingStatus !== 'granted') {
const {status} = await Permissions.askAsync(Permissions.NOTIFICATIONS);
finalStatus = status;
}
return finalStatus === 'granted';
}
/**
* Save expo token to allow sending notifications to this device.
* This token is unique for each device and won't change.
* It only needs to be fetched once, then it will be saved in storage.
*
* @return {Promise<void>}
*/
export async function initExpoToken() {
let token = AsyncStorageManager.getInstance().preferences.expoToken.current;
if (token === '') {
try {
await askPermissions();
let expoToken = await Notifications.getExpoPushTokenAsync();
// Save token for instant use later on
AsyncStorageManager.getInstance().savePref(AsyncStorageManager.getInstance().preferences.expoToken.key, expoToken);
} catch (e) {
console.log(e);
}
}
}
/**
* Gets the machines watched from the server
*
* @param callback Function to execute with the fetched data
*/
export function getMachineNotificationWatchlist(callback: Function) {
let token = AsyncStorageManager.getInstance().preferences.expoToken.current;
if (token !== '') {
let data = {
function: 'get_machine_watchlist',
password: passwords.expoNotifications,
token: token,
};
fetch(EXPO_TOKEN_SERVER, {
method: 'POST',
headers: new Headers({
Accept: 'application/json',
'Content-Type': 'application/json',
}),
body: JSON.stringify(data) // <-- Post parameters
}).then((response) => response.json())
.then((responseJson) => {
callback(responseJson);
});
}
}
/**
* Asks the server to enable/disable notifications for the specified machine
*
* @param machineID The machine ID
* @param isEnabled True to enable notifications, false to disable
*/
export function setupMachineNotification(machineID: string, isEnabled: boolean) {
let token = AsyncStorageManager.getInstance().preferences.expoToken.current;
if (token !== '') {
let data = {
function: 'setup_machine_notification',
password: passwords.expoNotifications,
locale: LocaleManager.getCurrentLocale(),
token: token,
machine_id: machineID,
enabled: isEnabled
};
fetch(EXPO_TOKEN_SERVER, {
method: 'POST',
headers: new Headers({
Accept: 'application/json',
'Content-Type': 'application/json',
}),
body: JSON.stringify(data) // <-- Post parameters
});
}
}
/**
* Sends the selected reminder time for notifications to the server
*
* @param time The reminder time to use
*/
export function setMachineReminderNotificationTime(time: number) {
let token = AsyncStorageManager.getInstance().preferences.expoToken.current;
if (token !== '') {
let data = {
function: 'set_machine_reminder',
password: passwords.expoNotifications,
token: token,
time: time,
};
fetch(EXPO_TOKEN_SERVER, {
method: 'POST',
headers: new Headers({
Accept: 'application/json',
'Content-Type': 'application/json',
}),
body: JSON.stringify(data) // <-- Post parameters
});
}
}