我的解决方案抛出NoMethodError。这就是我在下面所做的:
订单.rb
class Order < ActiveRecord::Base
belongs_to :member
end
会员.rb
class Order < ActiveRecord::Base
has_many :orders
def liquidity_manager?
@is_liquidity_manager ||= self.class.liquidity_managers.include?(self.email)
end
def liquidity_managers
ENV['LM_ACCOUNTS'].split(',')
end
end
耙式任务逻辑
lib/update_order_tags.rake中的逻辑
num_counts = (Order.count/10).ceil
num_counts.times do |i|
Order.all.offset(i*10).limit(10).find_each do |g|
if g.tags.blank? # am saving on only the blank fields
if g.liquidity_manager? # The error is here
g.tags = 'LM'
g.save!
else
g.tags = 'Customer'
g.save!
end
end
end
end
如何在lib中引用liquidity_manager?
方法对我有用?
您在Member.rb
中定义了Order#liquidity_manager?
,它不是由Rails自动加载的。您必须显式加载文件Member.rb
,或者将该文件重命名为/app/models/order.rb
。
因此,根据@sawa在答案部分给我的建议,以下是我为使其发挥作用所做的工作。
num_counts = (Order.count/10).ceil
num_counts.times do |i|
Order.all.offset(i*10).limit(10).find_each do |g|
if g.tags.blank?
if g.member.liquidity_manager? # So this easily gets to Member.rb to reference liquidity_manager? method.
g.tags = 'LM'
g.save!
else
g.tags = 'Customer'
g.save!
end
end
end
end