Enterprise.active_distributors finds active distributors by product distributions

app/models/enterprise.rb

@@ -19,6 +19,15 @@ class Enterprise < ActiveRecord::Base
   scope :is_distributor, where(:is_distributor => true)
   scope :with_distributed_active_products_on_hand, lambda { joins(:distributed_products).where('spree_products.deleted_at IS NULL AND spree_products.available_on <= ? AND spree_products.count_on_hand > 0', Time.now).select('distinct(enterprises.*)') }
 
+  scope :active_distributors_for_product_distributions, is_distributor.with_distributed_active_products_on_hand.by_name
+  scope :active_distributors_for_order_cycles,
+    joins('LEFT INNER JOIN exchanges ON (exchanges.receiver_id = enterprises.id)').
+    joins('LEFT INNER JOIN order_cycles ON (order_cycles.id = exchanges.order_cycle.id)').
+    merge(OrderCycle.active).
+    select('DISTINCT enterprises.*')
+
+  scope :active_distributors, joins(:distributed_products)
+
 
   def has_supplied_products_on_hand?
     self.supplied_products.where('count_on_hand > 0').present?

spec/models/enterprises_spec.rb

@@ -18,6 +18,21 @@ describe Enterprise do
   end
 
   describe "scopes" do
+    describe "active_distributors" do
+      it "finds active distributors by product distributions" do
+        d = create(:distributor_enterprise)
+        create(:product, :distributors => [d])
+        Enterprise.active_distributors.should == [d]
+      end
+
+      it "finds active distributors by order cycles"
+      it "doesn't show distributors of deleted products"
+      it "doesn't show distributors of unavailable products"
+      it "doesn't show distributors of out of stock products"
+      it "doesn't show distributors from inactive order cycles"
+    end
+
+
     it "returns distributors with products in stock" do
       d1 = create(:distributor_enterprise)
       d2 = create(:distributor_enterprise)