Module: Card::Env::LocationHistory
- Included in:
- Card::Env
- Defined in:
- lib/card/env/location_history.rb
Overview
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
Instance Method Summary collapse
- #discard_locations_for(card) ⇒ Object
- #interrupted_action ⇒ Object
- #location_history ⇒ Object
- #previous_location ⇒ Object
- #save_interrupted_action(uri) ⇒ Object
- #save_location(card) ⇒ Object
- #save_location?(card) ⇒ Boolean
- #url_key_for_location(location) ⇒ Object
Instance Method Details
#discard_locations_for(card) ⇒ Object
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# File 'lib/card/env/location_history.rb', line 29 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 ⇒ Object
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# File 'lib/card/env/location_history.rb', line 43 def interrupted_action session.delete :interrupted_action end |
#location_history ⇒ Object
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# 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 ⇒ Object
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# File 'lib/card/env/location_history.rb', line 24 def previous_location return unless location_history session[:previous_location] ||= location_history.last end |
#save_interrupted_action(uri) ⇒ Object
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# File 'lib/card/env/location_history.rb', line 39 def save_interrupted_action uri session[:interrupted_action] = uri end |
#save_location(card) ⇒ Object
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# 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.cardname.url_key location_history.push previous_location end |
#save_location?(card) ⇒ Boolean
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# File 'lib/card/env/location_history.rb', line 20 def save_location? card !Env.ajax? && Env.html? && card.known? && (card.codename != "signin") end |
#url_key_for_location(location) ⇒ Object
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# File 'lib/card/env/location_history.rb', line 47 def url_key_for_location location (%r{/([^/]*$)} =~ location) ? Regexp.last_match[1] : nil end |