60 lines
1.4 KiB
Ruby
60 lines
1.4 KiB
Ruby
class Snippet
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include Locomotive::Mongoid::Document
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## fields ##
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field :name
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field :slug
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field :template
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## associations ##
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referenced_in :site
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## callbacks ##
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before_validation :normalize_slug
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after_save :update_templates
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after_destroy :update_templates
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# TODO: after_save callback to let pages embedding this snippet know about the changes the user has just made.
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## validations ##
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validates_presence_of :site, :name, :slug, :template
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validates_uniqueness_of :slug, :scope => :site_id
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## methods ##
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protected
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def normalize_slug
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self.slug = self.name.clone if self.slug.blank? && self.name.present?
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self.slug.slugify!(:without_extension => true, :downcase => true) if self.slug.present?
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end
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def update_templates
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pages = self.site.pages.any_in(:snippet_dependencies => [self.slug]).to_a
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pages.each do |page|
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self._change_snippet_inside_template(page.template.root)
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page.send(:_serialize_template) && page.save
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end
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end
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def _change_snippet_inside_template(node)
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case node
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when Locomotive::Liquid::Tags::Snippet
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node.refresh(self) if node.slug == self.slug
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when Locomotive::Liquid::Tags::Block
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self._change_snippet_inside_template(node.parent) if node.parent
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else
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if node.respond_to?(:nodelist)
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node.nodelist.each do |child|
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self._change_snippet_inside_template(child)
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end
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end
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end
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end
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end
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