Module: Sequel::Plugins::Comments::InstanceMethods

Defined in:
lib/cortex_reaver/support/comments.rb

Instance Method Summary collapse

Instance Method Details

#before_destroy ⇒ Object

When we delete a model that has comments, remove the comments too.



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# File 'lib/cortex_reaver/support/comments.rb', line 16

def before_destroy
  return false if super == false

  comments = self.comments
  remove_all_comments
  comments.each do |comment|
    comment.destroy
  end

  true
end

#parent(refresh = false) ⇒ Object

Returns the parent of a given comment. Caches, pass true to refresh.



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# File 'lib/cortex_reaver/support/comments.rb', line 46

def parent(refresh = false)
  if refresh or @parent_cache.nil?
    [:comment, :journal, :photograph, :page].each do |p|
      if self.respond_to?(p) and parent = self.send(p)
        # We found an applicable parent.
        @parent_cache = parent
        return parent
      end
    end
    # We didn't find any parent
    nil
  else
    @parent_cache
  end
end

#refresh_comment_count ⇒ Object

Recalculates the number of comments on this record (and all comments below it, recursively) and saves those values. Returns the comment count on this record.



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# File 'lib/cortex_reaver/support/comments.rb', line 31

def refresh_comment_count
  count = 0
  comments.each do |comment|
    # Recalculate for sub-comments and sum.
    count += comment.refresh_comment_count + 1
  end
  self[:comment_count] = count
  self.skip_timestamp_update = true

  # Save and return
  self.save
  self[:comment_count]
end

#root_parent ⇒ Object

Returns the top-level parent of a given comment.



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# File 'lib/cortex_reaver/support/comments.rb', line 63

def root_parent
  if parent
    parent.root_parent
  else
    self
  end
end