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Contents
module TypeStation
module Concerns
module PathGenerator
extend ActiveSupport::Concern
included do
field :title, type: String, default: 'Untitled'
field :slug, type: String
field :path, type: String
field :old_paths, type: Array, default: []
# VALIDATIONS
validates :slug, uniqueness: true, on: :update
validates :path, presence: true, uniqueness: true, on: :update
# CALLBACKS
before_create :generate_slug
before_destroy :destroy_children
after_rearrange :rebuild_path
# Rebuild self and children paths upon title change
before_save :generate_slug, if: :title_changed?
after_save :rebuild_child_paths, if: :has_children?
end
module ClassMethods
def find_by_path(path)
search_path = File.join('',path)
self.or({path: search_path}, {:old_paths.in => [search_path]}).first
end
end
private
# Generates a slug based of the title give by the user
def generate_slug
self.slug = root? ? "" : title.parameterize
rebuild_path
end
# Rebuild a path based of a ancestors slugs
def rebuild_path
store_old_path
self.path = root? ? "/" : self.ancestors_and_self.collect(&:slug).join('/')
end
def store_old_path
if self.path.present?
self.old_paths << self.path
self.old_paths.uniq
end
end
def rebuild_child_paths
self.children.each do |child|
if child.respond_to?(:rebuild_path)
child.send :rebuild_path
child.save
end
end
end
end
end
end
Version data entries
16 entries across 16 versions & 1 rubygems