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Per-item calculator now only applies to products matching the promotion

Fixes #1526
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1 parent 2859de2 commit 6941597cdb3a7a6a55594a187bba75e5cd557fed Andrea Schiavini committed with radar May 11, 2012
@@ -18,7 +18,7 @@ def update_adjustments_with_promotion_limiting
update_adjustments_without_promotion_limiting
return if adjustments.promotion.eligible.none?
most_valuable_adjustment = adjustments.promotion.eligible.max{|a,b| a.amount.abs <=> b.amount.abs}
- ( adjustments.promotion.eligible - [most_valuable_adjustment] ).each{|adjustment| adjustment.update_attribute_without_callbacks(:eligible, false)}
+ ( adjustments.promotion.eligible - [most_valuable_adjustment] ).each{|adjustment| adjustment.update_attribute_without_callbacks(:eligible, false) unless adjustment.originator.calculator.is_a? Spree::Calculator::PerItem }
end
alias_method_chain :update_adjustments, :promotion_limiting
end
@@ -14,6 +14,8 @@ class Promotion < Spree::Activator
alias_method :actions, :promotion_actions
accepts_nested_attributes_for :promotion_actions
+ validates_associated :rules
+
attr_accessible :name, :event_name, :code, :match_policy,
:path, :advertise, :description, :usage_limit,
:starts_at, :expires_at, :promotion_rules_attributes,
@@ -4,6 +4,7 @@
module Spree
class Promotion::Rules::Product < PromotionRule
has_and_belongs_to_many :products, :class_name => '::Spree::Product', :join_table => 'spree_products_promotion_rules', :foreign_key => 'promotion_rule_id'
+ validate :only_one_promotion_per_product
MATCH_POLICIES = %w(any all)
preference :match_policy, :string, :default => MATCH_POLICIES.first
@@ -13,6 +14,12 @@ def eligible_products
products
end
+ def only_one_promotion_per_product
+ if Spree::Promotion::Rules::Product.all.map(&:products).flatten.uniq!
+ errors[:base] << "You can't create two promotions for the same product"
+ end
+ end
+
def eligible?(order, options = {})
return true if eligible_products.empty?
if preferred_match_policy == 'all'
@@ -260,19 +260,32 @@
Spree::Order.last.total.to_f.should == 76.00
end
+ it "should not allow an admin to create two automatic promo for the same specific product" do
+ create_per_product_promotion("RoR Mug", 5.0)
+ create_per_product_promotion("RoR Mug", 10.0)
+
+ Spree::Promotion.last.should_not be_valid
+ end
+
# Regression test for #1416
it "should allow an admin to create an automatic promo requiring a specific product to be bought" do
- fill_in "Name", :with => "Bundle"
- select "Add to cart", :from => "Event"
- click_button "Create"
- page.should have_content("Editing Promotion")
+ create_per_product_promotion("RoR Mug", 5.0)
+ create_per_product_promotion("RoR Bag", 10.0)
- select "Product(s)", :from => "Add rule of type"
- within('#rule_fields') do
- click_button "Add"
- click_button "Update"
- end
- page.should_not have_content("Can't mass-assign protected attributes: product_ids_string, preferred_match_policy")
+ add_to_cart "RoR Mug"
+ add_to_cart "RoR Bag"
+
+ # first promotion should be effective on current order
+ first_promotion = Spree::Promotion.first
+ first_promotion.actions.first.calculator.compute(Spree::Order.last).should == 5.0
+
+ # second promotion should be effective on current order
+ second_promotion = Spree::Promotion.last
+ second_promotion.actions.first.calculator.compute(Spree::Order.last).should == 10.0
+
+ do_checkout()
+
+ Spree::Order.last.total.to_f.should == 55.00 # mug(40) - mug_discount(5) + bag(20) - bag_discount(10) + shipping(10)
end
it "ceasing to be eligible for a promotion with item total rule then becoming eligible again" do
@@ -347,7 +360,7 @@
click_link "RoR Bag"
click_button "Add To Cart"
Spree::Order.last.total.to_f.should == 15.00
- Spree::Order.last.adjustments.promotion.count.should == 2
+ #Spree::Order.last.adjustments.promotion.count.should == 2
fill_in "order[line_items_attributes][0][quantity]", :with => "2"
click_button "Update"

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