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module Spina
class Page < ApplicationRecord
extend Mobility
include Partable
# Stores the old path when generating a new materialized_path
attr_accessor :old_path
# Page contains multiple parts called PageParts
has_many :page_parts, dependent: :destroy, inverse_of: :page
alias_attribute :parts, :page_parts
accepts_nested_attributes_for :page_parts, allow_destroy: true
# Orphaned pages are adopted by parent pages if available, otherwise become root
has_ancestry orphan_strategy: :adopt
# Pages can belong to navigations (optional)
has_many :navigation_items, dependent: :destroy
has_many :navigations, through: :navigation_items
# Pages can belong to a resource
belongs_to :resource, optional: true
scope :regular_pages, -> { where(resource: nil) }
scope :resource_pages, -> { where.not(resource: nil) }
scope :active, -> { where(active: true) }
scope :sorted, -> { order(:position) }
scope :live, -> { active.where(draft: false) }
scope :in_menu, -> { where(show_in_menu: true) }
# Save children to update all materialized_paths
after_save :save_children
after_save :touch_navigations
after_save -> { page_parts.each(&:save) }
# Create a 301 redirect if materialized_path changed
after_save :rewrite_rule
before_validation :set_materialized_path
validates :title, presence: true
translates :title, fallbacks: true
translates :description, :materialized_path
translates :menu_title, :seo_title, default: -> { title }
def to_s
name
end
def page_id
id
end
def url_title
title.try(:parameterize)
end
def custom_page?
!deletable
end
def save_children
self.children.each(&:save)
end
def live?
!draft? && active?
end
def previous_sibling
self.siblings.where('position < ?', self.position).sorted.last
end
def next_sibling
self.siblings.where('position > ?', self.position).sorted.first
end
def set_materialized_path
self.old_path = materialized_path
self.materialized_path = localized_materialized_path
self.materialized_path = localized_materialized_path + "-#{self.class.i18n.where(materialized_path: materialized_path).count}" if self.class.i18n.where(materialized_path: materialized_path).where.not(id: id).count > 0
materialized_path
end
def cache_key
super + "_" + Mobility.locale.to_s
end
def view_template_config(theme)
view_template_name = view_template.presence || 'show'
theme.view_templates.find { |template| template[:name] == view_template_name }
end
def view_template_page_parts(theme)
theme.page_parts.select { |page_part| page_part[:name].in? view_template_config(theme)[:page_parts] }
end
private
def touch_navigations
navigations.update_all(updated_at: Time.zone.now)
end
def rewrite_rule
RewriteRule.where(old_path: old_path).first_or_create.update_attributes(new_path: materialized_path) if old_path != materialized_path
end
def localized_materialized_path
if I18n.locale == I18n.default_locale
generate_materialized_path.prepend('/')
else
generate_materialized_path.prepend("/#{I18n.locale}/").gsub(/\/\z/, "")
end
end
def generate_materialized_path
if root?
name == 'homepage' ? '' : "#{url_title}"
else
ancestors.collect(&:url_title).append(url_title).join('/')
end
end
end
end
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