Omniaaaaaaaomg this is a mess

user.rb

class User < ActiveRecord::Base

  # ... Initialize Devise and other crap ....


  def self.authorize_omniauth(options={}, signed_in_resource=nil)
    auth = Authentication.authorize(options[:auth][:provider], options[:auth][:uid])

    if auth
      auth.set_omniauth_credentials(options[:auth])
      auth.save!
      return auth.user
    end

    if signed_in_resource != nil && signed_in_resource.id?
      auth = Authentication.new(options[:auth])
      auth.user = signed_in_resource
      auth.save!

      return signed_in_resource
    end

    user = nil

    User.transaction do
      auth = Authentication.new(options[:auth])

      unless options[:auth][:provider] == 'twitter'
        user = User.find_by_email(options[:user][:email])
      end

      if user
        auth.user = user
        auth.save!
      else
        options[:user][:password] = Devise.friendly_token[0,20]
        options[:user][:password_confirmation] = options[:auth][:password]

        user = User.create(options[:user])
        auth.user = user
        auth.save!
      end

      return user
    end

    false
  end

  def self.authorize_facebook(access_token, signed_in_resource=nil)
    info  = access_token.info
    options = {
      user: {
        email: info.email,
        first_name: info.first_name,
        last_name: info.last_name
      },
      auth: {
        provider: 'facebook',
        uid: access_token.uid,
        uemail: info.email,
        uname: info.name,
        image_url: info.image,
        token: access_token.credentials.token
      }
    }
    return User.authorize_omniauth(options, signed_in_resource)
  end

  def self.authorize_twitter(access_token, signed_in_resource=nil)
    info  = access_token.info
    options = {
      user: {
        email: nil,
        first_name: nil,
        last_name: nil
      },
      auth: {
        provider: 'twitter',
        uid: access_token.uid,
        uemail: nil,
        uname: info.name,
        image_url: info.image,
        token: access_token.credentials.token
      }
    }
    return User.authorize_omniauth(options, signed_in_resource)
  end

  def self.authorize_google(access_token, signed_in_resource=nil)
    info  = access_token.info
    options = {
      user: {
        email: info.email,
        first_name: info.first_name,
        last_name: info.last_name
      },
      auth: {
        provider: 'google',
        uid: access_token.uid,
        uemail: info.email,
        uname: info.name,
        image_url: nil,
        token: nil # TODO need to find a use for this
      }
    }
    return User.authorize_omniauth(options, signed_in_resource)
  end

  def self.authorize_google_oauth2(access_token, signed_in_resource=nil)
    info  = access_token.info
    options = {
      user: {
        email: info.email,
        first_name: info.first_name,
        last_name: info.last_name
      },
      auth: {
        provider: 'google-oauth2',
        uid: access_token.uid,
        uemail: info.email,
        uname: info.name,
        image_url: info.image,
        token: access_token.credentials.token
      }
    }
    return User.authorize_omniauth(options, signed_in_resource)
  end

  def self.authorize_github(access_token, signed_in_resource=nil)
    info = access_token.info
    options = {
      user: {
        email: info.email,
        first_name: info.name.split(' ').first,
        last_name: info.name.split(' ').last
      },
      auth: {
        provider: 'github',
        uid: access_token.uid,
        uemail: info.email,
        uname: info.name,
        image_url: nil,
        token: access_token.credentials.token
      }
    }
    return User.authorize_omniauth(options, signed_in_resource)
  end

  # ... more stuff later ...

end