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grindable/app/controllers/application.rb

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2006-09-08 01:57:50 -04:00
class ApplicationController < ActionController::Base
append_before_filter :session_setup
append_before_filter :link_setup
layout 'grindable'
##
# Method to determine if a user is authenticated. This might be more
# complicated in the future.
#
def authenticated?
session[:authenticated] == true
end
##
# A filter check to ensure that the person using the fund is authenticated
# in some way or another...
#
def verify_identity
# escape check
return true if authenticated?
# make 'em authenticate before continuing
session[:return_to] = request.request_uri
# nice one, bruddah. it's a route helper.
redirect_to login_url
end
##
# Sends the user to the default url. This could either be stored in the
# sesion or in the home_url method.
#
def goto_default_redirect_url
if session[:return_to].nil?
redirect_to home_url
else
redirect_to session[:return_to]
session[:return_to] = nil
end
end
##
# Redirects to the index action, useful since it is used in lots of places
#
def goto_index
redirect_to :action => 'index'
end
##
# Adds a related link to refresh the current action
#
def add_refresh_link
add_related_link 'Refresh'
end
##
# This will add a submenu item to be displayed
#
def add_related_link(*args)
@related_links.push [ *args ]
end
##
# This will add a submenu item for a javascript function
#
def add_related_function(what, where)
@related_functions.push [ what, where ]
end
##
# Adds an AJAX call to the submenu list
#
def add_remote_function(*args)
@related_remote.push [ *args ]
end
##
# Ensures that the method in question was called from a form, ie. POST
#
def ensure_post
return false unless request.post?
true
end
##
# Just like ensure_post only for AJAX requests...
#
def ensure_xhr
return false unless request.xhr?
true
end
##
# This configures the @fund variable for several methods as a before_filter.
#
def find_fund
return unless session[:barista] and session[:barista][:fund_id]
@fund = Fund.find session[:barista][:fund_id].to_i unless
session[:barista].nil?
end
private
##
# This should ensure a minimum session environment
#
def session_setup
if session[:authenticated].nil?
session[:barista] = nil
session[:authenticated] = false
end
true
end
##
# Creates the environment for the submenu of links
#
def link_setup
@related_links ||= []
@related_functions ||= []
@related_remote ||= []
end
end