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Versions: 12
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Contents
require_dependency 'landable/liquid'
module Landable
module HasTemplates
extend ActiveSupport::Concern
included do
has_and_belongs_to_many :templates, class_name: 'Landable::Template', join_table: templates_join_table_name
before_save :save_templates!
def template_names
# sticking with what we know about liquid, rather than doing regex.
# (though regex may be faster, should we need that optimization later.)
@template_names ||= begin
template = ::Liquid::Template.parse(body)
template_names_for_node template.root
end
end
def templates
Landable::Template.where(slug: template_names)
end
# passthrough for body=; clears the template_names cache in the process
def body= body_val
@template_slug = nil
@asset_names = nil
self[:body] = body_val
end
# this looks weird; I swear it works
def save_templates!
self.templates = self.templates
end
private
def template_names_for_node node, names = []
# set up a recursing function to search for template tags
if node.is_a? Landable::Liquid::TemplateTag
names << node.template_slug unless names.include? node.template_slug
end
if node.respond_to? :nodelist and node.nodelist
node.nodelist.each { |node| template_names_for_node node, names }
end
names
end
end
module ClassMethods
def templates_join_table_name
"#{Landable.configuration.database_schema_prefix}landable.#{self.name.underscore.split('/').last}_templates"
end
end
end
end
Version data entries
12 entries across 12 versions & 1 rubygems