illoyd

#
# This should go into spec/support/auth_spec_helpers.rb
module AuthSpecHelpers

  ##
  # Convenience method for setting the Digest Authentication details.
  # To use, pass the username and password.
  # The method and target are used for the initial request to get the digest auth headers. These will be translated into 'get :index' for example.
  # The final 'header' parameter sets the request's authentication headers.
  def authenticate_with_http_digest(user, password, method = :get, target = :index, header = 'HTTP_AUTHORIZATION')

illoyd

##
# Prefix a string with an icon
def iconify(label, icon, options = {})
  "#{ icon(icon, options) } #{ label }".strip.html_safe
end

##
# Create a label
def llabel(text, kind = :default)
  content_tag(:span, text, class: [ 'label', "label-#{ kind }" ].compact)

illoyd

"""
This is an example of a one-or-the-other order, generalised as an any-one order. Useful when setting orders around a price point, such that if one order is triggered (begins to fill) the other orders are cancelled.
"""
class AnyOneOrder(object):
    """ A group of orders where when one order is triggered, all other open orders are cancelled. """
    
    def __init__(self, *orders_or_ids):
        self.order_ids = set(
            map(self._get_id, orders_or_ids)
        )

illoyd

class OrderManager(object):
    """ A helper for placing and tracking orders in Quantopian. """
    
    def __init__(self):
        self.orders = []
        self.context = None
        self.data = None
    
    def update(self, context, data):
        self.context = context