index.coffee

async    = require process.cwd() + '/node_modules/async'
mongoose = require process.cwd() + '/node_modules/mongoose'
User     = require process.cwd() + '/model/user'
mongoose = require process.cwd() + '/config/database'

copy_password_to_encrypted_password = (complete) ->
  mongoose.set 'debug', false

  User.collection.find({ password: { $exists: true }, encrypted_password: { $exists: false} }).toArray (err, users) ->

    console.log 'found: ' + users.length
    throw err if err

    do migrate = (err) ->
      if users.length % 100 == 0
        console.log users.length

      if err?
        console.log(err)
        #complete(err)

      if user = users.shift()
        if user.encrypted_password?
          console.log 'already migrated, should not be here'
          setTimeout(migrate, 300)
        else if user.password?
          User.findOne { _id: user._id }, (err, foundUser) ->
            if err?
              console.log('error finding')
              console.log(err) 
              setTimeout(migrate, 300)
            else
              foundUser.encrypted_password = user.password
              foundUser.save migrate
        else
          console.log 'what, how?'
          setTimeout(migrate, 300)
      else
        complete('done')

module.exports =
  run: copy_password_to_encrypted_password