mirror of https://github.com/espruino/BangleApps
45 lines
1.7 KiB
JavaScript
45 lines
1.7 KiB
JavaScript
// check for alarms
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(function() { // run in closure to ensure allocated vars get removed
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if (Bangle.SCHED) {
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clearTimeout(Bangle.SCHED);
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delete Bangle.SCHED;
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}
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var alarms = require('Storage').readJSON('sched.json',1)||[];
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var time = new Date();
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var currentTime = (time.getHours()*3600000)+(time.getMinutes()*60000)+(time.getSeconds()*1000);
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var d = time.getDate();
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var active = alarms.filter(a =>
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a.on // enabled
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&& (a.last != d) // not already fired today
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&& (a.t + 60000 > currentTime) // is not in the past by >1 minute
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&& (a.dow >> time.getDay() & 1) // is allowed on this day of the week
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&& (!a.date || a.date == time.toISOString().substr(0, 10)) // is allowed on this date
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);
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if (active.length) {
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active = active.sort((a,b)=>a.t-b.t); // sort by time
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var t = active[0].t-currentTime;
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if (t<1000) t=1000; // start alarm minimum 1 sec from now
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/* execute alarm at the correct time. We avoid execing immediately
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since this code will get called AGAIN when alarm.js is loaded. alarm.js
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will then clearInterval() to get rid of this call so it can proceed
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normally.
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If active[0].js is defined, just run that code as-is and not alarm.js */
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Bangle.SCHED = setTimeout(active[0].js||'load("sched.js")',t);
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} else { // check for new alarms at midnight (so day of week works)
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Bangle.SCHED = setTimeout('eval(require("Storage").read("sched.boot.js"))', 86400000 - (Date.now()%86400000));
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}
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})();
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/* DEBUGGING
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===============
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// show the current timer for the next event
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global["\xff"].timers[Bangle.SCHED]
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// time in hours of scheduled timer event
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global["\xff"].timers[Bangle.SCHED].time / (1024*1024*60*60)
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// set time 1 hour in the past
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setTime(getTime() - 60*60)
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*/
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