我有以下的设置:
这意味着以下内容可以正常运作:
但是下面的内容却表现不同:
我该如何使
class Player < ActiveRecord::Base
has_many :cards, :inverse_of => :player do
def in_hand
find_all_by_location('hand')
end
end
end
class Card < ActiveRecord::Base
belongs_to :player, :inverse_of => :cards
end
这意味着以下内容可以正常运作:
p = Player.find(:first)
c = p.cards[0]
p.score # => 2
c.player.score # => 2
p.score += 1
c.player.score # => 3
c.player.score += 2
p.score # => 5
但是下面的内容却表现不同:
p = Player.find(:first)
c = p.cards.in_hand[0]
p.score # => 2
c.player.score # => 2
p.score += 1
c.player.score # => 2
c.player.score += 2
p.score # => 3
d = p.cards.in_hand[1]
d.player.score # => 2
我该如何使
:inverse_of
关系扩展到扩展方法中?(这只是一个bug吗?)