Class: Gluttonberg::PageObserver

Inherits:
ActiveRecord::Observer
  • Object
show all
Defined in:
app/observers/gluttonberg/page_observer.rb

Overview

Observe Page, if there is any change occurred then update its related localizations and contents

Instance Method Summary collapse

Instance Method Details

#after_create(page) ⇒ Object

Generate a series of content model objects for this page based on the specified template. These models will be empty, but ready to be displayed in the admin interface for editing.



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# File 'app/observers/gluttonberg/page_observer.rb', line 11

def after_create(page)
  page.current_user_id = page.user_id
  create_page_localizations(page)
  create_page_contents(page)
end

#after_destroy(page) ⇒ Object

If parent page is removed then make sure its children either orphaned or child of their grandfather



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# File 'app/observers/gluttonberg/page_observer.rb', line 34

def after_destroy(page)
  Page.delete_all(:parent_id => page.id)
end

#after_update(page) ⇒ Object

This has the page localizations regenerate their path if the slug or parent for this page has changed.



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# File 'app/observers/gluttonberg/page_observer.rb', line 27

def after_update(page)
  if page.paths_need_recaching?
    page.localizations.each { |l| l.regenerate_path! }
  end
end

#before_update(page) ⇒ Object

This checks to make sure if we need to regenerate paths for child-pages and adds a flag if it does.



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# File 'app/observers/gluttonberg/page_observer.rb', line 19

def before_update(page)
  if page.parent_id_changed? || page.slug_changed?
    page.paths_need_recaching = true
  end
end