trabajo-afectivo/app/models/authorization.rb

# Copyright (C) 2012-2014 Zammad Foundation, http://zammad-foundation.org/

class Authorization < ApplicationModel
  belongs_to              :user
  after_create            :delete_user_cache
  after_update            :delete_user_cache
  after_destroy           :delete_user_cache
  validates_presence_of   :user_id, :uid, :provider
  validates_uniqueness_of :uid,     :scope => :provider

  def self.find_from_hash(hash)
    auth = Authorization.where( :provider => hash['provider'], :uid => hash['uid'] ).first
    if auth

      # update auth tokens
      auth.update_attributes(
        :token  => hash['credentials']['token'],
        :secret => hash['credentials']['secret']
      )

      # update username of auth entry if empty
      if !auth.username && hash['info']['nickname']
        auth.update_attributes(
          :username => hash['info']['nickname'],
        )
      end

      # update image if needed
      if hash['info']['image']
        user = User.find( auth.user_id )

        # save/update avatar
        avatar = Avatar.add(
          :object        => 'User',
          :o_id          => user.id,
          :url           => hash['info']['image'],
          :source        => hash['provider'],
          :deletable     => true,
          :updated_by_id => user.id,
          :created_by_id => user.id,
        )

        # update user link
        if avatar
          user.update_column( :image, avatar.store_hash )
        end
      end
    end
    auth
  end

  def self.create_from_hash(hash, user = nil)
    if user

      # save/update avatar
      avatar = Avatar.add(
        :object        => 'User',
        :o_id          => user.id,
        :url           => hash['info']['image'],
        :source        => hash['provider'],
        :deletable     => true,
        :updated_by_id => user.id,
        :created_by_id => user.id,
      )

      # update user link
      if avatar
        user.update_column( :image, avatar.store_hash )
      end

      # fillup empty attributes
      # TODO

    else
      user = User.create_from_hash!(hash)
    end

    Authorization.create(
      :user     => user,
      :uid      => hash['uid'],
      :username => hash['info']['nickname'] || hash['username'],
      :provider => hash['provider'],
      :token    => hash['credentials']['token'],
      :secret   => hash['credentials']['secret']
    )
  end

  private

    def delete_user_cache
      self.user.cache_delete
    end

end