Stand-alone functions to fetch/save parameters
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Zaid Abdulla committed
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2012004299
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89e323ae7c
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+267
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@@ -1,5 +1,5 @@
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###
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# Copyright 2013, 2014 Zaid Abdulla
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# Copyright 2013-2016 Zaid Abdulla
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#
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# GenieACS is free software: you can redistribute it and/or modify
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# it under the terms of the GNU Affero General Public License as
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@@ -19,6 +19,7 @@ config = require './config'
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mongodb = require 'mongodb'
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redis = require('redis')
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parameters = require './parameters'
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common = require './common'
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redisClient = null
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tasksCollection = null
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@@ -223,8 +224,273 @@ getPresetsObjectsAliases = (callback) ->
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)
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# Optimize projection by removing overlaps
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# This modifies given object and returns it
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optimizeProjection = (obj) ->
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keys = Object.keys(obj).sort()
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return if keys.length <= 1
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i = 1
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while i < keys.length
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a = keys[i-1]
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b = keys[i]
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if common.startsWith(b, a)
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if b.charAt(a.length) == '.' or b.charAt(a.length - 1) == '.'
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delete obj[b]
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keys.splice(i--, 1)
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++ i
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return obj
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fetchDevice = (id, timestamp, patterns, callback) ->
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res = []
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# Build projection
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projection = {_id: 1}
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for pattern in patterns
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if pattern.length == 0
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projection['_timestamp'] = 1
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else if not pattern[0]?
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projection[''] = 1
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else if pattern[0] == 'Events'
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if pattern.length == 1
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res.push([['Events'], timestamp, 1, timestamp, 1, timestamp, 0])
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else if pattern.length == 2
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if not pattern[1]?
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projection['_registered'] = 1
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projection['_lastInform'] = 1
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projection['_lastBootstrap'] = 1
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projection['_lastBoot'] = 1
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res.push([['Events', null], timestamp])
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else if pattern[1] == 'Registered'
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projection['_registered'] = 1
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else if pattern[1] == 'Inform'
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projection['_lastInform'] = 1
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else if pattern[1] == '0_BOOTSTRAP'
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projection['_lastBootstrap'] = 1
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else if pattern[1] == '1_BOOT'
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projection['_lastBoot'] = 1
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else if pattern[0] == 'DeviceID'
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if pattern.length == 1
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res.push([['DeviceID'], timestamp, 1, timestamp, 1, timestamp, 0])
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else if pattern.length == 2
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if not pattern[1]?
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projection['_id'] = 1
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projection['_deviceId._Manufacturer'] = 1
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projection['_deviceId._ProductClass'] = 1
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projection['_deviceId._SerialNumber'] = 1
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projection['_deviceId._OUI'] = 1
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res.push([['DeviceID', null], timestamp])
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else if pattern[1] == 'ID'
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projection['_id'] = 1
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else if pattern[1] == 'Manufacturer'
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projection['_deviceId._Manufacturer'] = 1
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else if pattern[1] == 'ProductClass'
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projection['_deviceId._ProductClass'] = 1
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else if pattern[1] == 'OUI'
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projection['_deviceId._OUI'] = 1
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else if pattern[1] == 'SerialNumber'
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projection['_deviceId._SerialNumber'] = 1
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else if pattern[0] == 'Tags'
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if pattern.length == 1
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res.push([['Tags'], timestamp, 1, timestamp, 1, timestamp, 0])
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else if pattern.length == 2
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res.push([['Tags', null], timestamp])
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projection['_tags'] = 1
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else
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for i in [0...pattern.length] by 1
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break if not pattern[i]
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if i == pattern.length
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s = pattern.join('.')
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projection["#{s}._value"] = 1
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projection["#{s}._timestamp"] = 1
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projection["#{s}._type"] = 1
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projection["#{s}._writable"] = 1
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projection["#{s}._object"] = 1
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projection["#{s}._orig"] = 1
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# Timestamp from parent is needed for writable timestamp
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if pattern.length <= 1
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projection['_timestamp'] = 1
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else
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projection["#{pattern.slice(0, -1).join('.')}._timestamp"] = 1
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else
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s = pattern.slice(0, i).join('.')
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projection[s] = 1
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if projection['']
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projection = {}
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if projection?
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optimizeProjection(projection)
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devicesCollection.findOne({'_id' : id}, projection, (err, device) ->
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return callback(err) if err or not device?
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storeParams = (obj, path, timestamp, descendantsFetched) ->
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if not descendantsFetched and not obj['_value']? and projection[path.join('.')]
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descendantsFetched = true
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if obj['_timestamp']?
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obj['_timestamp'] = +obj['_timestamp']
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v = [timestamp, 1]
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if obj['_value']?
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v[6] = obj['_timestamp'] ? timestamp
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v[7] = [obj['_value'], obj['_type']]
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obj['_object'] = false
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if obj['_writable']?
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v[4] = timestamp
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v[5] = if obj['_writable'] then 1 else 0
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if obj['_object']?
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v[2] = timestamp
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v[3] = if obj['_object'] then 1 else 0
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if v.length
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v[0] ?= timestamp ? 0
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v[1] ?= 1
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res.push([path].concat(v))
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for k, v of obj
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if k[0] != '_'
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obj['_object'] = true
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storeParams(v, path.concat(k), obj['_timestamp'] ? 0, descendantsFetched)
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if obj['_object'] and descendantsFetched
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res.push([path.concat(null), obj['_timestamp'] ? 0])
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for k, v of device
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if k == '_timestamp'
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res.push([[null], v]) if not Object.keys(projection).length
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else if k == '_lastInform'
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res.push([['Events', 'Inform'], timestamp, 1, timestamp, 0, timestamp, 0, timestamp, [v, 'xsd:dateTime']])
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else if k == '_lastBoot'
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res.push([['Events', '1_BOOT'], timestamp, 1, timestamp, 0, timestamp, 0, timestamp, [v, 'xsd:dateTime']])
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else if k == '_lastBootstrap'
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res.push([['Events', '0_BOOTSTRAP'], timestamp, 1, timestamp, 0, timestamp, 0, timestamp, [v, 'xsd:dateTime']])
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else if k == '_registered'
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res.push([['Events', 'Registered'], timestamp, 1, timestamp, 0, timestamp, 0, timestamp, [v, 'xsd:dateTime']])
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else if k == '_id'
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res.push([['DeviceID', 'ID'], timestamp, 1, timestamp, 0, timestamp, 0, timestamp, [v, 'xsd:string']])
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else if k == '_tags'
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for t in v
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res.push([['Tags', t], timestamp, 1, timestamp, 0, timestamp, 1, timestamp, [true, 'xsd:boolean']])
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else if k == '_deviceId'
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for kk, vv of v
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if kk == '_Manufacturer'
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res.push([['DeviceID', 'Manufacturer'], timestamp, 1, timestamp, 0, timestamp, 0, timestamp, [vv, 'xsd:string']])
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else if kk == '_OUI'
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res.push([['DeviceID', 'OUI'], timestamp, 1, timestamp, 0, timestamp, 0, timestamp, [vv, 'xsd:string']])
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if kk == '_ProductClass'
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res.push([['DeviceID', 'ProductClass'], timestamp, 1, timestamp, 0, timestamp, 0, timestamp, [vv, 'xsd:string']])
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if kk == '_SerialNumber'
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res.push([['DeviceID', 'SerialNumber'], timestamp, 1, timestamp, 0, timestamp, 0, timestamp, [vv, 'xsd:string']])
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else if common.typeOf(v) is common.OBJECT_TYPE
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storeParams(v, [k], 0, projection == null)
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return callback(null, res)
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)
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saveDevice = (deviceId, diff, isNew, callback) ->
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update = {'$set' : {}, '$unset' : {}, '$addToSet' : {}, '$pull' : {}}
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for p in diff
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base = p[2]
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current = p[3]
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if p[0][0] == 'Events'
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if p[0].length == 2
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if p[0][1] == 'Inform'
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update['$set']['_lastInform'] = new Date(current[7][0])
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else if p[0][1] == '0_BOOTSTRAP'
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update['$set']['_lastBootstrap'] = new Date(current[7][0])
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else if p[0][1] == '1_BOOT'
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update['$set']['_lastBoot'] = new Date(current[7][0])
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else if p[0][1] == 'Registered'
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update['$set']['_registered'] = new Date(current[7][0])
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else if p[0][0] == 'Tags'
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if p[0].length == 2 and p[0][1]?
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if current[7][0] and not base[7]?[0]
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update['$addToSet']['_tags'] ?= {'$each' : []}
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update['$addToSet']['_tags']['$each'].push(p[0][1])
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else if not current[7]?[0] and base[7]?[0]
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update['$pull']['_tags'] ?= {'$in' : []}
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update['$pull']['_tags']['$in'].push(p[0][1])
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else if p[0][0] == 'DeviceID'
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if p[0].length == 2 and current[7]?
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if p[0][1] == 'ID'
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update['$set']['_id'] = current[7][0]
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else if p[0][1] == 'Manufacturer'
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update['$set']['_deviceId._Manufacturer'] = current[7][0]
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else if p[0][1] == 'OUI'
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update['$set']['_deviceId._OUI'] = current[7][0]
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else if p[0][1] == 'ProductClass'
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update['$set']['_deviceId._ProductClass'] = current[7][0]
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else if p[0][1] == 'SerialNumber'
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update['$set']['_deviceId._SerialNumber'] = current[7][0]
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else if p[1] == p[0].length
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param = p[0].join('.')
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if current[2]?
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if current[3] != base[3]
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if current[3]
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update['$set']["#{param}._object"] = true
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else if base[3]?
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update['$unset']["#{param}._object"] = 1
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else if base[2]?
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update['$unset']["#{param}._object"] = 1
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if current[4]?
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if current[5] != base[5]
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update['$set']["#{param}._writable"] = !!current[5]
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else if base[4]?
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update['$unset']["#{param}._writable"] = 1
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if current[6]? and current[7]?
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if current[6] != base[6]
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update['$set']["#{param}._timestamp"] = new Date(current[6])
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if current[7][0] != base[7]?[0] or current[7][1] != base[7]?[1]
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if current[7][1] == 'xsd:dateTime'
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update['$set']["#{param}._value"] = new Date(current[7][0])
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else
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update['$set']["#{param}._value"] = current[7][0]
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update['$set']["#{param}._type"] = current[7][1]
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else if base[7]?
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update['$unset']["#{param}._value"] = 1
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update['$unset']["#{param}._type"] = 1
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else if p[1] == p[0].length - 1 and not p[0][p[1]]?
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param = p[0].slice(0, p[1]).concat('_timestamp').join('.')
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if current?
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update['$set'][param] = new Date(current)
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else if base?
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update['$unset'][param] = 1
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# Remove empty keys
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for k of update
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if k == '$addToSet'
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for kk of update[k]
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delete update[k][kk] if update[k][kk]['$each'].length == 0
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else if k == '$pull'
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for kk of update[k]
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delete update[k][kk] if update[k][kk]['$in'].length == 0
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delete update[k] if Object.keys(update[k]).length == 0
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return callback() if Object.keys(update).length == 0
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devicesCollection.update({'_id' : deviceId}, update, {upsert: isNew}, (err, count) =>
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if not err and count != 1
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return callback(new Error("Device #{deviceId} not found in database"))
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return callback(err)
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)
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exports.getTask = getTask
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exports.getPresetsObjectsAliases = getPresetsObjectsAliases
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exports.getAliases = getAliases
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exports.connect = connect
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exports.disconnect = disconnect
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exports.fetchDevice = fetchDevice
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exports.saveDevice = saveDevice
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