openfirmware

# Potential solution to "Using accepts_nested_attributes_for with a belongs_to association, and using find_or_create_by_attr behaviour"
# http://stackoverflow.com/questions/2970255/using-accepts-nested-attributes-for-with-a-belongs-to-association-and-using-find
class Upload < AR:B
  belongs_to :user
  belongs_to :observed_property
  belongs_to :sensor
  
  attr_accessor :observed_property_attributes,
                :sensor_attributes
  attr_accessible :observed_property_attributes,