335 lines
14 KiB
CoffeeScript
335 lines
14 KiB
CoffeeScript
###
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# Copyright 2013, 2014 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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# published by the Free Software Foundation, either version 3 of the
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# License, or (at your option) any later version.
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#
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# GenieACS is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU Affero General Public License for more details.
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#
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# You should have received a copy of the GNU Affero General Public License
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# along with GenieACS. If not, see <http://www.gnu.org/licenses/>.
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#
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# This file incorporates work covered by the following copyright and
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# permission notice:
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#
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# Copyright 2013 Fanoos Telecom
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#
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# Permission is hereby granted, free of charge, to any person obtaining a copy
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# of this software and associated documentation files (the "Software"), to deal
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# in the Software without restriction, including without limitation the rights
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# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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# copies of the Software, and to permit persons to whom the Software is
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# furnished to do so, subject to the following conditions:
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#
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# The above copyright notice and this permission notice shall be included in
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# all copies or substantial portions of the Software.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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# THE SOFTWARE.
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###
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config = require './config'
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common = require './common'
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db = require './db'
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mongoQuery = require './mongo-query'
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query = require './query'
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log = require('util').log
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customCommands = require './custom-commands'
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exports.calculatePresetsHash = (presets, objects) ->
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crypto = require('crypto')
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hash = crypto.createHash('md5').update(JSON.stringify(presets) + JSON.stringify(objects)).digest('hex')
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return hash
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matchObject = (object, param) ->
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return false if not object._keys? or object._keys.length == 0
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for k in object._keys
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return false if not param[k]?
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v = common.matchType(param[k]._value, object[k])
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if param[k]._value != v
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return false
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return true
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exports.getDevicePreset = (deviceId, presets, objects, aliases, callback) ->
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deviceCustomCommands = customCommands.getDeviceCustomCommands(deviceId)
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# only fetch relevant params
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projection = {_id : 1}
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for p in presets
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if common.typeOf(p.precondition) is common.STRING_TYPE
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p.precondition = query.expand(JSON.parse(p.precondition), aliases)
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else
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# Accept an object for backward compatiblity
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p.precondition = query.expand(p.precondition ? {}, aliases)
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mongoQuery.projection(p.precondition, projection)
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for c in p.configurations
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switch c.type
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when 'value', 'age'
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projection[c.name] = 1
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when 'custom_command_value', 'custom_command_age'
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commandfile = c.command.split(' ', 1)
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if commandfile of deviceCustomCommands
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projection["_customCommands.#{c.command.split(' ', 1)}"] = 1
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when 'software_version'
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projection['Device.DeviceInfo.SoftwareVersion'] = 1
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projection['InternetGatewayDevice.DeviceInfo.SoftwareVersion'] = 1
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when 'add_tag', 'delete_tag'
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projection['_tags'] = 1
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when 'add_object', 'delete_object'
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projection[c.name] = 1
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else
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throw new Error('Unknown configuration type')
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mongoQuery.optimizeProjection(projection)
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db.devicesCollection.findOne({'_id' : deviceId}, projection, (err, device) ->
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throw err if err
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devicePresets = []
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for p in presets
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if mongoQuery.test(device, p.precondition)
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devicePresets.push(p)
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configurations = accumulateConfigurations(devicePresets, objects)
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getParamDetails = (device, path) ->
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p = common.getParamValueFromPath(device, path)
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return undefined if not p?
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details = {}
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for k,v of p
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details[k] = v if k[0] == '_'
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return details
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devicePreset = {}
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for c in configurations
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switch c.type
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when 'value'
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devicePreset.parameters ?= {}
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devicePreset.parameters[c.name] ?= {}
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devicePreset.parameters[c.name].preset ?= {}
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devicePreset.parameters[c.name].preset.value = c.value
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devicePreset.parameters[c.name].current = getParamDetails(device, c.name)
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when 'age'
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devicePreset.parameters ?= {}
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devicePreset.parameters[c.name] ?= {}
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devicePreset.parameters[c.name].preset ?= {}
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devicePreset.parameters[c.name].preset.expiry = parseInt(c.age)
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devicePreset.parameters[c.name].current = getParamDetails(device, c.name)
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when 'add_tag'
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devicePreset.tags ?= {}
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devicePreset.tags[c.tag] = 2 | c.tag in (device._tags ? [])
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when 'delete_tag'
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devicePreset.tags ?= {}
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devicePreset.tags[c.tag] = 0 | c.tag in (device._tags ? [])
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when 'add_object'
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devicePreset.objects ?= {}
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devicePreset.objects[c.name] ?= {}
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devicePreset.objects[c.name][c.object] ?= {}
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devicePreset.objects[c.name][c.object].preset = objects[c.object]
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continue if not param = common.getParamValueFromPath(device, c.name)
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devicePreset.objects[c.name][c.object].current ?= {}
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for k,p of param
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continue if k[0] == '_'
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if p._name?
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if p._name == c.object
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devicePreset.objects[c.name][c.object].current[k] = p
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else if matchObject(objects[c.object], p)
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u = {}
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u["#{c.name}.#{k}._name"] = c.object
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db.devicesCollection.update({'_id' : deviceId}, {'$set' : u}, {}, (err, count) ->
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throw err if err
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)
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devicePreset.objects[c.name][c.object].current[k] = p
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when 'delete_object'
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devicePreset.objects ?= {}
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devicePreset.objects[c.name] ?= {}
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devicePreset.objects[c.name][c.object] ?= {}
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continue if not param = common.getParamValueFromPath(device, c.name)
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devicePreset.objects[c.name][c.object].current ?= {}
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for k,p of param
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continue if k[0] == '_'
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if p._name?
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if p._name == c.object
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devicePreset.objects[c.name][c.object].current[k] = p
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else if matchObject(objects[c.object], p)
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u = {}
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u["#{c.name}.#{k}._name"] = c.object
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db.devicesCollection.update({'_id' : deviceId}, {'$set' : u}, {}, (err, count) ->
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throw err if err
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)
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devicePreset.objects[c.name][c.object].current[k] = p
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when 'custom_command_value'
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[filename, commandName] = c.command.split(' ', 2)
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devicePreset.customCommands ?= {}
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devicePreset.customCommands[filename] ?= {}
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devicePreset.customCommands[filename].preset ?= {}
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devicePreset.customCommands[filename].preset.value = c.value
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devicePreset.customCommands[filename].preset.valueCommand = c.command
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continue if not deviceCustomCommands[filename]? or commandName not in deviceCustomCommands[filename]
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if cmd = common.getParamValueFromPath(device, "_customCommands.#{filename}")
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devicePreset.customCommands[filename].current = cmd
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else
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devicePreset.customCommands[filename].current ?= {}
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when 'custom_command_age'
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[filename, commandName] = c.command.split(' ', 2)
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devicePreset.customCommands ?= {}
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devicePreset.customCommands[filename] ?= {}
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devicePreset.customCommands[filename].preset ?= {}
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devicePreset.customCommands[filename].preset.expiry = parseInt(c.age)
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devicePreset.customCommands[filename].preset.expiryCommand = c.command
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continue if not deviceCustomCommands[filename]? or commandName not in deviceCustomCommands[filename]
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if cmd = common.getParamValueFromPath(device, "_customCommands.#{filename}")
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devicePreset.customCommands[filename].current = cmd
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else
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devicePreset.customCommands[filename].current ?= {}
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when 'software_version'
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devicePreset.softwareVersion ?= {}
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devicePreset.softwareVersion.preset = c.software_version
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if device?.Device? # TR-181 data model
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devicePreset.softwareVersion.current = common.getParamValueFromPath(device, 'Device.DeviceInfo.SoftwareVersion')
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else # TR-098 data model
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devicePreset.softwareVersion.current = common.getParamValueFromPath(device, 'InternetGatewayDevice.DeviceInfo.SoftwareVersion')
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else
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throw new Error('Unknown configuration type')
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callback(devicePreset)
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)
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exports.processDevicePreset = (deviceId, devicePreset, callback) ->
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PRESETS_TIME_PADDING = config.get('PRESETS_TIME_PADDING')
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now = new Date()
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expiry = config.get('PRESETS_CACHE_DURATION', deviceId)
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getParameterValues = []
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setParameterValues = []
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addTags = []
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deleteTags = []
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taskList = []
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# Parameters
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for parameterPath, parameterDetails of devicePreset.parameters ? {}
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continue if not parameterDetails.current?
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expiry = Math.min(expiry, parameterDetails.preset.expiry) if parameterDetails.preset.expiry?
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presetValue = parameterDetails.preset.value
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currentValue = parameterDetails.current._value
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if presetValue? and currentValue != (presetValue = common.matchType(currentValue, presetValue))
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setParameterValues.push([parameterPath, presetValue, parameterDetails.current._type])
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else if parameterDetails.preset.expiry?
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diff = parameterDetails.preset.expiry - (now - (parameterDetails.current._timestamp ? 0)) / 1000
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if diff <= PRESETS_TIME_PADDING
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if parameterDetails.current._value?
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getParameterValues.push(parameterPath)
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else
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taskList.push({device : deviceId, name : 'refreshObject', objectName : parameterPath})
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else
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expiry = Math.min(expiry, diff)
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# Objects
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for parameterPath, object of devicePreset.objects ? {}
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for objectName, objectDetails of object
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continue if not objectDetails.current?
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if objectDetails.preset?
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if Object.keys(objectDetails.current).length > 0
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for i, obj of objectDetails.current
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for paramName, paramValue of objectDetails.preset
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continue if paramName[0] == '_'
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if obj[paramName]
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currentValue = obj[paramName]._value
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presetValue = common.matchType(currentValue, objectDetails.preset[paramName])
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if currentValue != presetValue
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setParameterValues.push(["#{parameterPath}.#{i}.#{paramName}", presetValue, obj[paramName]._type])
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else
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vals = []
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for k,v of objectDetails.preset
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vals.push([k, v]) if k[0] != '_'
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taskList.push({device : deviceId, name : 'addObject', objectName : parameterPath, parameterValues : vals, instanceName : objectName})
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else if Object.keys(objectDetails.current).length > 0
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for i, obj of objectDetails.current
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taskList.push({device : deviceId, name : 'deleteObject', objectName : "#{parameterPath}.#{i}"})
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# Tags
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for tag, v of devicePreset.tags ? {}
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if v == 1
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deleteTags.push(tag)
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else if v == 2
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addTags.push(tag)
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# Custom commands
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for commandName, commandDetails of devicePreset.customCommands ? {}
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continue if not commandDetails.current?
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expiry = Math.min(expiry, commandDetails.preset.expiry) if commandDetails.preset.expiry?
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currentValue = commandDetails.current._value
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presetValue = common.matchType(currentValue, commandDetails.preset.value)
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if commandDetails.preset.value? and currentValue != presetValue
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taskList.push({device : deviceId, name : 'customCommand', command : commandDetails.preset.valueCommand})
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else if commandDetails.preset.expiry?
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diff = commandDetails.preset.expiry - (now - (commandDetails.current._timestamp ? 0)) / 1000
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if diff <= PRESETS_TIME_PADDING
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taskList.push({device : deviceId, name : 'customCommand', command : commandDetails.preset.expiryCommand})
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else
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expiry = Math.min(expiry, diff)
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if setParameterValues.length
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taskList.push {device : deviceId, name : 'setParameterValues', parameterValues: setParameterValues, timestamp : now}
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if getParameterValues.length
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taskList.push {device : deviceId, name : 'getParameterValues', parameterNames: getParameterValues, timestamp : now}
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callback(taskList, addTags, deleteTags, expiry)
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getObjectHash = (object) ->
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return object._id if not object._keys? or object._keys.length == 0
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hash = ''
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for k in object._keys
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hash += "#{k}=#{object[k]}"
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return hash
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accumulateConfigurations = (presets, objects) ->
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maxWeights = {}
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configurations = {}
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for p in presets
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for c in p.configurations
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configurationHash = switch c.type
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when 'add_tag', 'delete_tag'
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"tag_#{c.tag}"
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when 'add_object', 'delete_object'
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objectHash = getObjectHash(objects[c.object])
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"object_#{c.name}_#{objectHash}"
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when 'software_version'
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'software_version'
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when 'custom_command_age', 'custom_command_value'
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[filename, commandName] = c.command.split(' ', 2)
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"#{c.type}_#{filename}_#{commandName}"
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else
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"#{c.type}_#{c.name}"
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if not maxWeights[configurationHash]? or p.weight > maxWeights[configurationHash]
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configurations[configurationHash] = c
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maxWeights[configurationHash] = p.weight
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configurationsList = (configurations[c] for c of configurations)
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return configurationsList
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