module Card::Env::LocationHistory
session history helpers: we keep a history stack so that in the case of card removal we can crawl back up to the last un-removed location
Public Instance Methods
discard_locations_for(card)
click to toggle source
# File lib/card/env/location_history.rb, line 31 def discard_locations_for card # quoting necessary because cards have things like "+*" in the names.. session[:history] = location_history.reject do |loc| if (url_key = url_key_for_location(loc)) url_key.to_name.key == card.key end end.compact session[:previous_location] = nil end
interrupted_action()
click to toggle source
# File lib/card/env/location_history.rb, line 45 def interrupted_action session.delete :interrupted_action end
location_history()
click to toggle source
# File lib/card/env/location_history.rb, line 6 def location_history session[:history] ||= [Env::Location.card_path("")] session[:history].shift if session[:history].size > 5 session[:history] end
previous_location()
click to toggle source
# File lib/card/env/location_history.rb, line 25 def previous_location return unless location_history session[:previous_location] ||= location_history.last end
save_interrupted_action(uri)
click to toggle source
# File lib/card/env/location_history.rb, line 41 def save_interrupted_action uri session[:interrupted_action] = uri end
save_location(card)
click to toggle source
# File lib/card/env/location_history.rb, line 12 def save_location card return unless save_location?(card) discard_locations_for card session[:previous_location] = Env::Location.card_path card.name.url_key location_history.push previous_location end
save_location?(card)
click to toggle source
# File lib/card/env/location_history.rb, line 21 def save_location? card !Env.ajax? && Env.html? && card.known? && (card.codename != :signin) end
url_key_for_location(location)
click to toggle source
# File lib/card/env/location_history.rb, line 49 def url_key_for_location location %r{/([^/]*$)} =~ location ? Regexp.last_match[1] : nil end