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# File 'lib/s3_relay/model.rb', line 4
def s3_relay(attribute, has_many=false)
upload_type = attribute.to_s.classify
if has_many
has_many attribute, as: :parent, class_name: "S3Relay::Upload"
define_method attribute do
S3Relay::Upload
.where(
parent_type: self.class.to_s,
parent_id: self.id,
upload_type: upload_type
).to_a
end
else
has_one attribute, as: :parent, class_name: "S3Relay::Upload"
define_method attribute do
S3Relay::Upload
.where(
parent_type: self.class.to_s,
parent_id: self.id,
upload_type: upload_type
)
.order(:pending_at => 'desc').first
end
end
virtual_attribute = "new_#{attribute}_uuids"
attr_accessor virtual_attribute
association_method = "associate_#{attribute}"
after_save association_method.to_sym
define_method association_method do
new_uuids = send(virtual_attribute)
return if new_uuids.blank?
S3Relay::Upload.where(uuid: new_uuids, upload_type: upload_type)
.update_all(parent_type: self.class.to_s, parent_id: self.id)
end
end
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