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import Ember from 'ember'; | |
const { Service, inject, run } = Ember; | |
const TWO_HOURS = 2 * 60 * 60 * 1000; | |
const TWO_DAYS = 2 * 24 * 60 * 60 * 1000; | |
/** | |
* Ticking clock service. | |
* We use this service to sync all our momentjs udpates every second | |
* and not start one timer for each message. | |
*/ | |
export default Service.extend({ | |
store: inject.service('store'), | |
init: function() { | |
run.later(this, this.tick, 1000); | |
}, | |
tick: function() { | |
let messageRecords = this.get('store').peekAll('chat-message'); | |
messageRecords.forEach(message => { | |
let timeAgoStr = this.timeAgoString(message.get('createdAt')); | |
message.set('timeago', timeAgoStr); | |
}); | |
run.later(this, this.tick, 1000); | |
}, | |
/** | |
* Compare message date to current. If it has been less than 2 hours ago | |
* we use relative time otherwise we show the day + time. | |
*/ | |
timeAgoString: function(date) { | |
var now = new Date(); | |
// Handles the slight out of sync clocks than can result in | |
// showing `in a few seconds` instead of `a few seconds ago`. | |
date = date > now ? now : date; | |
var elapsedTime = now - date; | |
if (elapsedTime < TWO_HOURS) { | |
return moment(date).fromNow(); | |
} | |
if (elapsedTime < TWO_DAYS) { | |
return moment(date).format('ddd, h:m A'); | |
} | |
return moment(date).format('MMM, DD h:m A'); | |
}, | |
}); |
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