129 lines
4.2 KiB
TypeScript
129 lines
4.2 KiB
TypeScript
/*
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* Copyright (c) 2019 - 2020 Arnaud Vergnet.
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*
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* This file is part of Campus INSAT.
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*
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* Campus INSAT is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* Campus INSAT is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with Campus INSAT. If not, see <https://www.gnu.org/licenses/>.
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*/
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import {
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checkNotifications,
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requestNotifications,
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RESULTS,
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} from 'react-native-permissions';
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import i18n from 'i18n-js';
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import AsyncStorageManager from '../managers/AsyncStorageManager';
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const PushNotification = require('react-native-push-notification');
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// Used to multiply the normal notification id to create the reminder one. It allows to find it back easily
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const reminderIdFactor = 100;
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/**
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* Async function asking permission to send notifications to the user.
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* Used on ios.
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*
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* @returns {Promise<void>}
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*/
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export async function askPermissions(): Promise<void> {
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return new Promise((resolve: () => void, reject: () => void) => {
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checkNotifications().then(({status}: {status: string}) => {
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if (status === RESULTS.GRANTED) {
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resolve();
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} else if (status === RESULTS.BLOCKED) {
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reject();
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} else {
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requestNotifications([]).then((result: {status: string}) => {
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if (result.status === RESULTS.GRANTED) {
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resolve();
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} else {
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reject();
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}
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});
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}
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});
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});
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}
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/**
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* Creates a notification for the given machine id at the given date.
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*
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* This creates 2 notifications. One at the exact date, and one a few minutes before, according to user preference.
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*
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* @param machineID The machine id to schedule notifications for. This is used as id and in the notification string.
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* @param date The date to trigger the notification at
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*/
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function createNotifications(machineID: string, date: Date) {
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const reminder = AsyncStorageManager.getNumber(
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AsyncStorageManager.PREFERENCES.proxiwashNotifications.key,
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);
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if (!Number.isNaN(reminder) && reminder > 0) {
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const id = reminderIdFactor * parseInt(machineID, 10);
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const reminderDate = new Date(date);
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reminderDate.setMinutes(reminderDate.getMinutes() - reminder);
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PushNotification.localNotificationSchedule({
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title: i18n.t('screens.proxiwash.notifications.machineRunningTitle', {
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time: reminder,
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}),
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message: i18n.t('screens.proxiwash.notifications.machineRunningBody', {
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number: machineID,
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}),
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id: id.toString(),
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date: reminderDate,
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});
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}
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PushNotification.localNotificationSchedule({
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title: i18n.t('screens.proxiwash.notifications.machineFinishedTitle'),
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message: i18n.t('screens.proxiwash.notifications.machineFinishedBody', {
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number: machineID,
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}),
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id: machineID,
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date,
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});
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}
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/**
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* Enables or disables notifications for the given machine.
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*
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* The function is async as we need to ask user permissions.
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* If user denies, the promise will be rejected, otherwise it will succeed.
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*
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* @param machineID The machine ID to setup notifications for
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* @param isEnabled True to enable notifications, false to disable
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* @param endDate The trigger date, or null if disabling notifications
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*/
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export async function setupMachineNotification(
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machineID: string,
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isEnabled: boolean,
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endDate: Date | null,
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): Promise<void> {
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return new Promise((resolve: () => void, reject: () => void) => {
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if (isEnabled && endDate != null) {
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askPermissions()
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.then(() => {
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createNotifications(machineID, endDate);
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resolve();
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})
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.catch(() => {
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reject();
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});
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} else {
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PushNotification.cancelLocalNotifications({id: machineID});
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const reminderId = reminderIdFactor * parseInt(machineID, 10);
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PushNotification.cancelLocalNotifications({id: reminderId.toString()});
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resolve();
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}
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});
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}
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