/usr/lib/ruby/vendor_ruby/active_record/attribute_methods/write.rb is in ruby-activerecord-3.2 3.2.16-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 | module ActiveRecord
module AttributeMethods
module Write
extend ActiveSupport::Concern
included do
attribute_method_suffix "="
end
module ClassMethods
protected
def define_method_attribute=(attr_name)
if attr_name =~ ActiveModel::AttributeMethods::NAME_COMPILABLE_REGEXP
generated_attribute_methods.module_eval("def #{attr_name}=(new_value); write_attribute('#{attr_name}', new_value); end", __FILE__, __LINE__)
else
generated_attribute_methods.send(:define_method, "#{attr_name}=") do |new_value|
write_attribute(attr_name, new_value)
end
end
end
end
# Updates the attribute identified by <tt>attr_name</tt> with the specified +value+. Empty strings
# for fixnum and float columns are turned into +nil+.
def write_attribute(attr_name, value)
attr_name = attr_name.to_s
attr_name = self.class.primary_key if attr_name == 'id' && self.class.primary_key
@attributes_cache.delete(attr_name)
column = column_for_attribute(attr_name)
unless column || @attributes.has_key?(attr_name)
ActiveSupport::Deprecation.warn(
"You're trying to create an attribute `#{attr_name}'. Writing arbitrary " \
"attributes on a model is deprecated. Please just use `attr_writer` etc."
)
end
@attributes[attr_name] = type_cast_attribute_for_write(column, value)
end
alias_method :raw_write_attribute, :write_attribute
private
# Handle *= for method_missing.
def attribute=(attribute_name, value)
write_attribute(attribute_name, value)
end
def type_cast_attribute_for_write(column, value)
if column && column.number?
convert_number_column_value(value)
else
value
end
end
def convert_number_column_value(value)
case value
when FalseClass
0
when TrueClass
1
when String
value.presence
else
value
end
end
end
end
end
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