85 lines
2.3 KiB
CoffeeScript
85 lines
2.3 KiB
CoffeeScript
config = require './config'
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mongodb = require 'mongodb'
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redisClient = require('redis').createClient(config.REDIS_SOCKET)
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tasksCollection = null
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devicesCollection = null
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presetsCollection = null
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objectsCollection = null
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mongodb.MongoClient.connect("mongodb://#{config.MONGODB_SOCKET}/#{config.DATABASE_NAME}", config.MONGODB_OPTIONS, (err, db) ->
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exports.mongoDb = db
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db.collection('tasks', (err, collection) ->
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throw new Error(err) if err?
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exports.tasksCollection = tasksCollection = collection
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collection.ensureIndex({device: 1, timestamp: 1}, (err) ->
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)
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)
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db.collection('devices', (err, collection) ->
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throw new Error(err) if err?
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exports.devicesCollection = devicesCollection = collection
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)
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db.collection('presets', (err, collection) ->
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throw new Error(err) if err?
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exports.presetsCollection = presetsCollection = collection
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)
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db.collection('objects', (err, collection) ->
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throw new Error(err) if err?
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exports.objectsCollection = objectsCollection = collection
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)
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db.collection('fs.files', (err, collection) ->
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throw new Error(err) if err?
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exports.filesCollection = filesCollection = collection
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)
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)
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getTask = (taskId, callback) ->
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tid = String(taskId)
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redisClient.get(tid, (err, res) ->
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return callback(err) if err
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if res?
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callback(err, JSON.parse(res))
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else
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tasksCollection.findOne({_id : mongodb.ObjectID(tid)}, (err, task) ->
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callback(err, task)
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)
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)
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getPresets = (callback) ->
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redisClient.mget('presets', 'objects', (err, res) ->
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presets = JSON.parse(res[0])
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objects = JSON.parse(res[1])
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if presets and objects
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callback(presets, objects)
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return
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presetsCollection.find().toArray((err, p) ->
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throw err if err
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presets = p
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redisClient.setex('presets', config.PRESETS_CACHE_DURATION, JSON.stringify(presets))
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callback(presets, objects) if objects
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)
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objectsCollection.find().toArray((err, o) ->
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throw err if err
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objects = {}
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for i in o
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objects[i._id] = i
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redisClient.setex('objects', config.PRESETS_CACHE_DURATION, JSON.stringify(objects))
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callback(presets, objects) if presets
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)
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)
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exports.redisClient = redisClient
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exports.getTask = getTask
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exports.getPresets = getPresets
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