Module: ActsAsTaggableOnPadrino::Taggable::Ownership::InstanceMethods

Defined in:
lib/acts_as_taggable_on_padrino/taggable/ownership.rb

Instance Method Summary collapse

Instance Method Details

#cached_owned_tag_list_on(context) ⇒ Object 



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# File 'lib/acts_as_taggable_on_padrino/taggable/ownership.rb', line 40

def cached_owned_tag_list_on(context)
  variable_name = "@owned_#{context}_list"
  cache = instance_variable_get(variable_name) || instance_variable_set(variable_name, {})
end

#owner_tag_list_on(owner, context) ⇒ Object 



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# File 'lib/acts_as_taggable_on_padrino/taggable/ownership.rb', line 45

def owner_tag_list_on(owner, context)
  add_custom_context(context)

  cache = cached_owned_tag_list_on(context)
  cache.delete_if { |key, value| key.id == owner.id && key.class == owner.class }

  cache[owner] ||= ActsAsTaggableOnPadrino::Taggable::TagList.new(*owner_tags_on(owner, context).names)
end

#owner_tags_on(owner, context) ⇒ Object 



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# File 'lib/acts_as_taggable_on_padrino/taggable/ownership.rb', line 32

def owner_tags_on(owner, context)
  if owner
    base_tags.where(:taggings => {:context => context.to_s, :tagger_id => owner.id, :tagger_type => owner.class.to_s})
  else
    base_tags.where(:taggings => {:context => context.to_s})
  end
end

#reload(*args) ⇒ Object 



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# File 'lib/acts_as_taggable_on_padrino/taggable/ownership.rb', line 63

def reload(*args)
  self.class.tag_types.each do |context|
    instance_variable_set("@owned_#{context}_list", nil)
  end

  super
end

#save_owned_tags ⇒ Object 



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# File 'lib/acts_as_taggable_on_padrino/taggable/ownership.rb', line 71

def save_owned_tags
  tagging_contexts.each do |context|
    cached_owned_tag_list_on(context).each do |owner, tag_list|
      # Find existing tags or create non-existing tags:
      tag_list = ActsAsTaggableOnPadrino::Tag.find_or_create_all_with_like_by_name(tag_list.uniq)

      owned_tags = owner_tags_on(owner, context)
      old_tags   = owned_tags - tag_list
      new_tags   = tag_list   - owned_tags

      # Find all taggings that belong to the taggable (self), are owned by the owner,
      # have the correct context, and are removed from the list.
      old_taggings = ActsAsTaggableOnPadrino::Tagging.where(:taggable_id => id, :taggable_type => self.class.base_class.to_s,
                                                     :tagger_type => owner.class.to_s, :tagger_id => owner.id,
                                                     :tag_id => old_tags, :context => context)

      if old_taggings.present?
        # Destroy old taggings:
        ActsAsTaggableOnPadrino::Tagging.destroy_all(:id => old_taggings.map {|tagging| tagging.id })
      end

      # Create new taggings:
      new_tags.each do |tag|
        taggings.create!(:tag_id => tag.id, :context => context.to_s, :tagger => owner, :taggable => self)
      end
    end
  end

  true
end

#set_owner_tag_list_on(owner, context, new_list) ⇒ Object 



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# File 'lib/acts_as_taggable_on_padrino/taggable/ownership.rb', line 54

def set_owner_tag_list_on(owner, context, new_list)
  add_custom_context(context)

  cache = cached_owned_tag_list_on(context)
  cache.delete_if { |key, value| key.id == owner.id && key.class == owner.class }

  cache[owner] = ActsAsTaggableOnPadrino::Taggable::TagList.from(new_list)
end