photomix/app/controllers/application_controller.rb

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# Filters added to this controller apply to all controllers in the application.
# Likewise, all the methods added will be available for all controllers.
class ApplicationController < ActionController::Base
helper :all # include all helpers, all the time
protect_from_forgery # See ActionController::RequestForgeryProtection for details
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filter_parameter_logging :password, :password_confirmation
helper_method :current_user, :current_user_session
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private
def current_user_session
return @current_user_session if defined?(@current_user_session)
@current_user_session = UserSession.find
end
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def current_user
return @current_user if defined?(@current_user)
@current_user = current_user_session && current_user_session.user
end
def require_user
unless current_user
store_location
flash[:notice] = "You must be logged in to access this page"
redirect_to new_user_session_url
return false
end
end
def require_no_user
if current_user
store_location
flash[:notice] = "You must be logged out to access this page"
redirect_to account_url
return false
end
end
def store_location
session[:return_to] = request.request_uri
end
def redirect_back_or_default(default)
redirect_to(session[:return_to] || default)
session[:return_to] = nil
end
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end