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author | Sergey Nartimov <just.lest@gmail.com> | 2013-02-11 17:00:55 +0300 |
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committer | Sergey Nartimov <just.lest@gmail.com> | 2013-02-11 17:00:55 +0300 |
commit | 9dfef5a46bb6a0c74a48aa70fa350c0f09f92c0d (patch) | |
tree | 6e8b5cb8a7e980a1a039632d609791b90aa5cbba /activerecord/lib/active_record | |
parent | cdd293cb963b895ff580eb20d10f5d56ecb3d447 (diff) | |
download | rails-9dfef5a46bb6a0c74a48aa70fa350c0f09f92c0d.tar.gz rails-9dfef5a46bb6a0c74a48aa70fa350c0f09f92c0d.tar.bz2 rails-9dfef5a46bb6a0c74a48aa70fa350c0f09f92c0d.zip |
define Active Record Store accessors in a module
Allow store accessors to be overrided like other attribute methods,
e.g.:
class User < ActiveRecord::Base
store :settings, accessors: [ :color, :homepage ], coder: JSON
def color
super || 'red'
end
end
Diffstat (limited to 'activerecord/lib/active_record')
-rw-r--r-- | activerecord/lib/active_record/store.rb | 33 |
1 files changed, 21 insertions, 12 deletions
diff --git a/activerecord/lib/active_record/store.rb b/activerecord/lib/active_record/store.rb index cf4cf9e602..a610f479f2 100644 --- a/activerecord/lib/active_record/store.rb +++ b/activerecord/lib/active_record/store.rb @@ -42,21 +42,19 @@ module ActiveRecord # # All stored values are automatically available through accessors on the Active Record # object, but sometimes you want to specialize this behavior. This can be done by overwriting - # the default accessors (using the same name as the attribute) and calling - # <tt>read_store_attribute(store_attribute_name, attr_name)</tt> and - # <tt>write_store_attribute(store_attribute_name, attr_name, value)</tt> to actually - # change things. + # the default accessors (using the same name as the attribute) and calling <tt>super</tt> + # to actually change things. # # class Song < ActiveRecord::Base # # Uses a stored integer to hold the volume adjustment of the song # store :settings, accessors: [:volume_adjustment] # # def volume_adjustment=(decibels) - # write_store_attribute(:settings, :volume_adjustment, decibels.to_i) + # super(decibels.to_i) # end # # def volume_adjustment - # read_store_attribute(:settings, :volume_adjustment).to_i + # super.to_i # end # end module Store @@ -75,19 +73,30 @@ module ActiveRecord def store_accessor(store_attribute, *keys) keys = keys.flatten - keys.each do |key| - define_method("#{key}=") do |value| - write_store_attribute(store_attribute, key, value) - end - define_method(key) do - read_store_attribute(store_attribute, key) + _store_accessors_module.module_eval do + keys.each do |key| + define_method("#{key}=") do |value| + write_store_attribute(store_attribute, key, value) + end + + define_method(key) do + read_store_attribute(store_attribute, key) + end end end self.stored_attributes[store_attribute] ||= [] self.stored_attributes[store_attribute] |= keys end + + def _store_accessors_module + @_store_accessors_module ||= begin + mod = Module.new + include mod + mod + end + end end protected |