From dda42760157037e0888e66b42723e9bae378557d Mon Sep 17 00:00:00 2001
From: Zaid Abdulla <zkam83@gmail.com>
Date: Wed, 5 Feb 2014 11:48:18 +0300
Subject: [PATCH] Added a script to migrate existing data to the recent update
 which introduced _deviceId object.

---
 tools/update-deviceid.coffee | 37 ++++++++++++++++++++++++++++++++++++
 1 file changed, 37 insertions(+)
 create mode 100644 tools/update-deviceid.coffee

diff --git a/tools/update-deviceid.coffee b/tools/update-deviceid.coffee
new file mode 100644
index 0000000..32745ff
--- /dev/null
+++ b/tools/update-deviceid.coffee
@@ -0,0 +1,37 @@
+# This script will generate _deviceId struct for all devices in DB.
+# To be used in migrating existing data to the recent update which introduced _deviceId object.
+config = require '../config'
+mongodb = require 'mongodb'
+
+dbserver = new mongodb.Server(config.MONGODB_SOCKET, 0, {auto_reconnect: true})
+db = new mongodb.Db(config.DATABASE_NAME, dbserver, {native_parser: true, safe: true})
+
+query = {}
+
+projection = {
+  _id : true,
+  'InternetGatewayDevice.DeviceInfo' : true
+}
+
+db.open((err, db) ->
+  db.collection('devices', (err, collection) ->
+    cur = collection.find(query)
+    cur.each((err, doc) ->
+      if not doc?
+        db.close()
+        return
+      serialNumber = doc['InternetGatewayDevice']['DeviceInfo']['SerialNumber']['_value']
+      oui = doc['InternetGatewayDevice']['DeviceInfo']['ManufacturerOUI']['_value']
+      manufacturer = doc['InternetGatewayDevice']['DeviceInfo']['Manufacturer']['_value']
+      productClass = doc['InternetGatewayDevice']['DeviceInfo']['ProductClass']['_value']
+      id = doc['_id']
+      collection.update({_id : id}, {$set : {
+        '_deviceId._Manufacturer' : manufacturer,
+        '_deviceId._OUI' : oui,
+        '_deviceId._ProductClass' : productClass,
+        '_deviceId._SerialNumber' : serialNumber
+      }}, () ->
+      )
+    )
+  )
+)