Contents

module Locomotive
  class Snippet

    include Locomotive::Mongoid::Document
    include Extensions::Shared::Slug

    ## fields ##
    field :name
    field :slug
    field :template, localize: true

    ## associations ##
    belongs_to :site, class_name: 'Locomotive::Site', validate: false, autosave: false

    ## callbacks ##
    after_save        :update_templates
    after_destroy     :update_templates

    ## validations ##
    validates_presence_of   :site, :name, :slug, :template
    validates_uniqueness_of :slug, scope: :site_id

    ## behaviours ##
    slugify_from    :name
    attr_protected  :id
    attr_accessible :name, :slug, :template

    ## methods ##

    protected

    def update_templates
      return unless (self.site rescue false) # not run if the site is being destroyed

      pages = ::I18n.with_locale(::Mongoid::Fields::I18n.locale) do
        self.site.pages.any_in(snippet_dependencies: [self.slug]).to_a
      end

      pages.each_with_index do |page, index|
        # make direct changes directly in the Liquid template
        self._change_snippet_inside_template(page.template.root)

        # serialize it
        serialized_template = page.send(:_serialize_template)

        # persist the change to MongoDB by bypassing the validation and the callbacks
        page.set("serialized_template.#{::Mongoid::Fields::I18n.locale}", serialized_template)
      end
    end

    def _change_snippet_inside_template(node)
      case node
      when Locomotive::Liquid::Tags::Snippet
        node.refresh(self, _default_context) if node.slug == self.slug
      when Locomotive::Liquid::Tags::InheritedBlock
        _change_snippet_inside_template(node.parent) if node.parent
      end
      # Walk the children of this entry if they're available.
      if node.respond_to?(:nodelist)
        (node.nodelist || []).each do |child|
          self._change_snippet_inside_template(child)
        end
      end
    end

    def _default_context
      { site: site }
    end
  end
end

Version data entries

13 entries across 13 versions & 1 rubygems

Version	Path
locomotive_cms-2.5.7	app/models/locomotive/snippet.rb
locomotive_cms-2.5.6	app/models/locomotive/snippet.rb
locomotive_cms-2.5.6.rc2	app/models/locomotive/snippet.rb
locomotive_cms-2.5.6.rc1	app/models/locomotive/snippet.rb
locomotive_cms-2.5.5	app/models/locomotive/snippet.rb
locomotive_cms-2.5.4	app/models/locomotive/snippet.rb
locomotive_cms-2.5.3	app/models/locomotive/snippet.rb
locomotive_cms-2.5.2	app/models/locomotive/snippet.rb
locomotive_cms-2.5.1	app/models/locomotive/snippet.rb
locomotive_cms-2.5.0	app/models/locomotive/snippet.rb
locomotive_cms-2.5.0.rc3	app/models/locomotive/snippet.rb
locomotive_cms-2.5.0.rc2	app/models/locomotive/snippet.rb
locomotive_cms-2.5.0.rc1	app/models/locomotive/snippet.rb