add_on_empty(attributes, msg = @@default_error_messages[:empty])
public
Will add an error message to
each of the attributes in
attributes that is empty.
# File activerecord/lib/active_record/validations.rb, line 63
def add_on_empty(attributes, msg = @@default_error_messages[:empty])
for attr in [attributes].flatten
value = @base.respond_to?(attr.to_s) ? @base.send(attr.to_s) : @base[attr.to_s]
is_empty = value.respond_to?("empty?") ? value.empty? : false
add(attr, msg) unless !value.nil? && !is_empty
end
end