b38dea0597
Share Gaia assets and adapters, keep private profiles and development documents local, and update both public READMEs.
108 lines
3.1 KiB
JavaScript
Executable file
108 lines
3.1 KiB
JavaScript
Executable file
/* global mozIntl */
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define(function(require, exports) {
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'use strict';
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var calc = require('common/calc');
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var co = require('ext/co');
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var core = require('core');
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var debug = require('common/debug')('controllers/notifications');
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var messageHandler = require('message_handler');
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var notification = require('notification');
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exports.observe = function() {
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debug('Will start notifications controller...');
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messageHandler.responder.on('alarm', exports.onAlarm);
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};
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exports.unobserve = function() {
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messageHandler.responder.off('alarm', exports.onAlarm);
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};
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exports.onAlarm = co.wrap(function *(alarm) {
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var storeFactory = core.storeFactory;
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var alarmStore = storeFactory.get('Alarm');
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// Fetch our copy of the alarm since this alarm may
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// have come from the alarms api and therefore would
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// not be up-to-date wrt whether or not it had
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// previously been fired.
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alarm = yield alarmStore.get(alarm._id);
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// The event may have been deleted or rescheduled after mozAlarms queued it.
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if (!alarm || alarm.fired) {
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return;
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}
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debug('Will request cpu wake lock...');
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var lock = navigator.requestWakeLock('cpu');
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debug('Received cpu lock. Will issue notification...');
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try {
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yield issueNotification(alarm);
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} catch (err) {
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console.error('[controllers/notifications]', err.toString());
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return;
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} finally {
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// release cpu lock with or without errors
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debug('Will release cpu wake lock...');
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lock.unlock();
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}
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// Save that we've fired this alarm.
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alarm.fired = true;
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yield alarmStore.persist(alarm);
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});
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var issueNotification = co.wrap(function *(alarm) {
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if (alarm.fired) {
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// Don't send notification if we've already delivered this alarm
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return;
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}
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var storeFactory = core.storeFactory;
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var eventStore = storeFactory.get('Event');
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var busytimeStore = storeFactory.get('Busytime');
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var trans = core.db.transaction(['busytimes', 'events']);
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// Find the event and busytime associated with this alarm.
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var [event, busytime] = yield Promise.all([
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eventStore.get(alarm.eventId, trans),
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busytimeStore.get(alarm.busytimeId, trans)
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]);
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// just a safeguard on the very unlikely case that busytime or event
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// doesn't exist anymore (should be really hard to happen)
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if (!event) {
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throw new Error(`can't find event with ID: ${alarm.eventId}`);
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}
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if (!busytime) {
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throw new Error(`can't find busytime with ID: ${alarm.busytimeId}`);
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}
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var begins = calc.dateFromTransport(busytime.start);
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var formatter = mozIntl._gaia.RelativeDate(navigator.languages);
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var distance = yield formatter.format(begins);
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var now = new Date();
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var alarmType = begins > now ?
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'alarm-start-notice' :
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'alarm-started-notice';
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var titleL10n = {
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id: alarmType,
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args: {
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title: event.remote.title,
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distance: distance
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}
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};
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var bodyL10n = { raw: event.remote.description || '' };
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debug('Will send event notification with title', titleL10n,
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'body:', bodyL10n);
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return notification.sendNotification(
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titleL10n,
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bodyL10n,
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`/alarm-display/${busytime._id}`,
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{ id: event.remote.id }
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);
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});
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});
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