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bf05d23793
Refresh System Messages at Regular Interval GitOrigin-RevId: 39728c89ca61905a2166a90b083834e6b2c61316
56 lines
1.5 KiB
JavaScript
56 lines
1.5 KiB
JavaScript
/* eslint-disable
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handle-callback-err,
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*/
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// TODO: This file was created by bulk-decaffeinate.
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// Fix any style issues and re-enable lint.
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/*
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* decaffeinate suggestions:
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* DS102: Remove unnecessary code created because of implicit returns
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* DS207: Consider shorter variations of null checks
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* Full docs: https://github.com/decaffeinate/decaffeinate/blob/master/docs/suggestions.md
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*/
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let SystemMessageManager
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const { SystemMessage } = require('../../models/SystemMessage')
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module.exports = SystemMessageManager = {
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getMessages(callback) {
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if (callback == null) {
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callback = function(error, messages) {}
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}
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callback(null, this._cachedMessages)
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},
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getMessagesFromDB(callback) {
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if (callback == null) {
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callback = function(error, messages) {}
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}
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return SystemMessage.find({}, callback)
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},
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clearMessages(callback) {
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if (callback == null) {
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callback = function(error) {}
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}
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return SystemMessage.remove({}, callback)
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},
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createMessage(content, callback) {
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if (callback == null) {
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callback = function(error) {}
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}
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const message = new SystemMessage({ content })
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return message.save(callback)
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},
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refreshCache() {
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this.getMessagesFromDB((error, messages) => {
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if (!error) {
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this._cachedMessages = messages
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}
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})
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}
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}
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const CACHE_TIMEOUT = 10 * 1000 * (Math.random() + 2) // 20-30 seconds
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SystemMessageManager.refreshCache()
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setInterval(() => SystemMessageManager.refreshCache(), CACHE_TIMEOUT)
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