engine/app/models/locomotive/editable_file.rb
2012-03-22 00:50:34 +01:00

79 lines
1.9 KiB
Ruby

module Locomotive
class EditableFile < EditableElement
## behaviours ##
mount_uploader 'source', EditableFileUploader
replace_field 'source', ::String, true
## fields ##
field :default_source_url, :localize => true
## callbacks ##
after_save :propagate_content
## methods ##
# Returns the url or the path to the uploaded file
# if it exists. Otherwise returns the default url.
#
# @note This method is not used for the rendering, only for the back-office
#
# @return [String] The url or path of the file
#
def content
self.source? ? self.source.url : self.default_source_url
end
def default_content?
!self.source? && self.default_source_url.present?
end
def copy_attributes(attributes)
unless self.default_content?
attributes.delete(:default_source_url)
end
super(attributes)
end
def copy_attributes_from(el)
super(el)
if el.source_translations.nil?
self.attributes['default_source_url'] = el.attributes['default_source_url'] || {}
else
el.source_translations.keys.each do |locale|
::Mongoid::Fields::I18n.with_locale(locale) do
self.default_source_url = el.source? ? el.source.url : el.default_source_url
end
end
end
end
def remove_source=(value)
self.source_will_change! # notify the page to run the callbacks for that element
self.default_source_url = nil
super
end
def as_json(options = {})
Locomotive::EditableFilePresenter.new(self).as_json
end
protected
def propagate_content
if self.source_changed?
operations = {
'$set' => {
"editable_elements.$.default_source_url.#{::Mongoid::Fields::I18n.locale}" => self.source.url
}
}
self.page.collection.update self._selector, operations, :multi => true
end
end
end
end