engine/app/models/content_instance.rb

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class ContentInstance
include Mongoid::Document
include Mongoid::Timestamps
## extensions ##
include CustomFields::ProxyClassEnabler
## fields (dynamic fields) ##
field :_slug
field :_position_in_list, :type => Integer, :default => 0
field :_visible, :type => Boolean, :default => true
## validations ##
validate :require_highlighted_field
## associations ##
embedded_in :content_type, :inverse_of => :contents
## callbacks ##
before_save :set_slug
before_save :set_visibility
before_create :add_to_list_bottom
## named scopes ##
named_scope :latest_updated, :order_by => [[:updated_at, :desc]], :limit => Locomotive.config.lastest_items_nb
## methods ##
alias :visible? :_visible?
def visible?
self._visible || self._visible.nil?
end
def to_liquid
Locomotive::Liquid::Drops::Content.new(self)
end
protected
def set_slug
_alias = self.highlighted_field_alias
self._slug = self.send(_alias).parameterize('_')
end
def set_visibility
field = self.content_type.content_custom_fields.detect { |f| %w{visible active}.include?(f._alias) }
self._visible = self.send(field._name) rescue true
end
def add_to_list_bottom
Rails.logger.debug "add_to_list_bottom"
self._position_in_list = self.content_type.contents.size
end
def require_highlighted_field
_alias = self.highlighted_field_alias
if self.send(_alias).blank?
self.errors.add(_alias, :blank)
end
end
def highlighted_field_value
self.send(self.content_type.highlighted_field._name)
end
def highlighted_field_alias
self.content_type.highlighted_field._alias.to_sym
end
end