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var mongoose = require('mongoose')
var findOrCreate = require('mongoose-findorcreate')
var _ = require('lodash')
var db, PushToken, Notification, Channel
mongoose.Promise = require('bluebird')
function init (config) {
db = mongoose.connect(config.mongodbUrl)
mongoose.connection.on('error', errorHandler)
var pushTokenSchema = new db.Schema({
platform: {
type: 'String',
required: true,
lowercase: true,
enum: ['ios', 'android'],
},
token: {
type: 'String',
required: true,
unique: true,
},
channel: {
type: 'String',
required: true,
},
})
var channelSchema = new db.Schema({
channel: {
type: 'String',
required: true,
lowercase: true,
},
last_push: {
type: 'Date',
required: true,
}
})
channelSchema.plugin(findOrCreate);
var notificationSchema = new db.Schema({
channel: {
type: 'String',
required: true,
lowercase: true,
},
date: {
type: 'Date',
required: true,
}
})
module.exports.PushToken = PushToken = db.model('PushToken', pushTokenSchema)
module.exports.Notification = Notification = db.model('Notification', notificationSchema)
module.exports.Channel = Channel = db.model('Channel', channelSchema)
}
function errorHandler (error) {
console.error('ERROR: ' + error)
}
/* devices / tokens */
function addToken (data) {
return new PushToken(data).save()
}
function getAllIOSTokens (channel, cb) {
PushToken.distinct("token", { channel: channel, platform: 'ios' }, function (err, tokens) {
if (err) return cb(err, [])
return cb(null, tokens)
})
}
function getAllAndroidTokens (channel, cb) {
PushToken.distinct("token", { channel: channel, platform: 'android' }, function (err, tokens) {
if (err) return cb(err, [])
return cb(null, tokens)
})
}
function getAllTokens (channel, cb) {
PushToken.find({ channel: channel }, function (err, items) {
if (err) return cb(err, [])
var items = items.map(function (item) {
return { platform: item.get('platform'), token: item.get('token') }
})
return cb(null, items)
})
}
function removeToken (data) {
PushToken.find(data).remove().exec()
}
function getDeviceCount (channels, cb) {
var countz = {}
get_next()
function get_next() {
var channel = channels.pop()
PushToken.distinct("token", { channel: channel }, function(err, tokens){
countz[channel] = tokens.length
if (channels.length) {
return get_next()
}
else {
cb(countz)
}
})
}
}
/* notifications */
function addNotification (channel, cb) {
var now = new Date
Channel.findOrCreate({channel: channel}, {last_push: now}, function(err, note, created) {
if (err) {
console.error("Error finding/creating notification", err)
cb(err, false)
return
}
else if (! created) {
note.last_push = now
note.save()
}
cb(null, note)
})
new Notification ({
channel: channel,
date: now,
}).save()
}
function getNotifications (cb) {
Notification.find(function (err, items) {
if (err) return cb(err, null)
var items = _.map(items, function (item) {
return _.pick(item, ['channel', 'last_push'])
})
return cb(null, items)
})
}
/* wrap functions for some reason */
module.exports = {
init: init,
addToken: addToken,
removeToken: removeToken,
getAllTokens: getAllTokens,
getAllIOSTokens: getAllIOSTokens,
getAllAndroidTokens: getAllAndroidTokens,
getDeviceCount: getDeviceCount,
addNotification: addNotification,
getNotifications: getNotifications,
}
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