kklimuk

memoized
def users_with_discounts(scoped_to={})
  users = User.includes(payment_plan: :discounts).where(paying: true, **scoped_to).to_a
  users.select do |users|
    users.payment_plan.discounts.any? && !users.payment_plan.delayed?
  end
end

kklimuk

def users_with_discounts
  return @users_with_discounts unless @users_with_discounts.nil?
  @users_with_discounts = computation_that_returns_nil || false
end

kklimuk

def users_with_discounts
  @users_with_discounts ||= computation_that_returns_nil
end

kklimuk

def users_with_discounts(scoped_to={})
  @users_with_discounts ||= {}
  return @users_with_discounts[scoped_to] if @users_with_discounts.has_key?(scoped_to)

  users = User.includes(payment_plan: :discounts).where(
    paying: true, 
    **scoped_to
  ).to_a
  
  @users_with_discounts[scoped_to] = users.select do |users|

kklimuk

def users_with_discounts
  return @users_with_discounts unless @users_with_discounts.nil?
  
  users = User.includes(payment_plan: :discounts).where(paying: true).to_a
  @users_with_discounts = users.select do |users|
    users.payment_plan.discounts.any? && !users.payment_plan.delayed?
  end
end

kklimuk

def users_with_discounts
  @users_with_discounts ||= User.includes(payment_plan: :discounts).where(paying: true).to_a
end

kklimuk

def users_with_discounts
  User.includes(payment_plan: :discounts).where(paying: true).to_a
end