Yodlee API Integration

api_integration_poc.rb

class Yodlee:Api::V1::RequestBuilder
  METADATA_REQUESTS =
  {
    get_user_info: { method: :get, path: '/user' },
    list_accounts: { method: :get, path: '/accounts' },
    create_user:   { method: :post, path: '/user/register' }
  }
  
  attr_accessor :cobrand_session, :user_session

  def method_missing(method, *args, &block)
    super unless METADATA_REQUESTS.has_key?(method)
    #Add here code to make a generic HTTP request, using the values of METADATA_REQUESTS and the value of headers.
  end
  
  def headers
    #uses @cobrand_session and @user_session is needed
  end
end

class Yodlee::Api::V1::Base
  def for_user_session(user_id)
    user_login unless SessionManager.valid?(user_id)
    
    RequestBuilder.new.tap do |r|
      r.cobrand_session = SessionManager.get
      r.user_session = SessionManager.get_for_user(user_id)
    end
  end
  
  def for_session
    cobran_login unless SessionManager.still_alive?
    
    RequestBuilder.new.tap do |r|
      r.cobrand_session = SessionManager.get
    end
  end

  private
  def cobrand_login
    #Similiar to #user_login method.
  end

  def user_login(user_id)
    cobrand_login unless SessionManager.still_alive?
    User.yodlee_data(user_id) #[user_id, user_pass]
    response = for_session.login_user(user_id, user_pass)
    SessionManager.set(user_id, response[:session])
  end
end

class Yodlee::Api::V1::User < Yodlee::Api::V1::Base
  def get_info(user_id)
    for_user_session(user_id).get_user_info(name: 'Visa')
  end

  def create
  end
end

class Yodlee::Api::V1::Institution < Yodlee::Api::V1::Base
  def list
    for_session.get_institutions
  end
end

class Yodlee::Api::V1::Account < Yodlee::Api::V1::Base
  def list(user_id)
  end

  def get_info(user_id, account_id)
  end
end

class Yodlee::Api::V1::Transaction < Yodlee::Api::V1::Base
  def list(user_id)
  end

  def get_info(user_id, account_id)
  end
end