Add couchbase with modifications, formalize broadcaster and make testable and some other stuff

app/models/list.rb

@@ -270,6 +270,7 @@ class List
     return false unless user
     order = Order.create list: self, supplier: supplier, user: user, section_id: section_id
     return unless order.id
+    orders_in_process_count = supplier.increment_orders_in_process_count!
     loaded_products = self.class.database.load_document products.keys
     products.each do |product_id, quantity|
       quantity = quantity.to_i
@@ -280,9 +281,11 @@ class List
     save
     for user_id in user_ids
       broadcast_user user_id, 'new_order', order: order.with_products_as_json, total_amount: price
+      broadcast_user user_id, 'orders_in_process_count', count: orders_in_process_count
     end
     broadcast_supplier supplier.id, 'list_update', active_model_serializer.new(self).as_json
     broadcast_supplier supplier.id, 'new_order', OrderSerializer.new(order)
+    broadcast_supplier supplier.id, 'orders_in_process_count', count: orders_in_process_count
     order
   end
 

app/models/order.rb

@@ -77,20 +77,29 @@ class Order
   def is_being_processed!
     self.state = 'active'
     if save
+      orders_in_process_count = supplier.decrement_orders_in_process_count!
+      orders_delivered_count = supplier.increment_orders_delivered_count!
       for user_id in list.user_ids
         broadcast_user user_id, 'order_being_processed', id: id, list_id: list_id
+        broadcast_user user_id, 'orders_in_process_count', count: orders_in_process_count
+        broadcast_user user_id, 'orders_delivered_count', count: orders_delivered_count
       end
       broadcast_supplier supplier_id, 'order_being_processed', id: id, list_id: list_id
+      broadcast_supplier supplier_id, 'orders_in_process_count', count: orders_in_process_count
+      broadcast_supplier supplier_id, 'orders_delivered_count', count: orders_delivered_count
     end
   end
 
   def is_delivered!
     self.state = 'delivered'
     if save
+      orders_delivered_count = supplier.decrement_orders_delivered_count!
       for user_id in list.user_ids
         broadcast_user user_id, 'order_being_delivered', id: id, list_id: list_id
+        broadcast_user user_id, 'orders_delivered_count', count: orders_delivered_count
       end
       broadcast_supplier supplier_id, 'order_being_delivered', id: id, list_id: list_id
+      broadcast_supplier supplier_id, 'orders_delivered_count', count: orders_delivered_count
     end
   end
 

app/models/supplier.rb

@@ -137,6 +137,35 @@ class Supplier
   def week_starts_on_monday?
     true
   end
+
+  def increment_orders_in_process_count!
+    Qwaiter::Counter.incr "supplier:#{id}:orders_in_process"
+  end
+
+  def increment_orders_delivered_count!
+    Qwaiter::Counter.incr "supplier:#{id}:orders_delivered"
+  end
+
+  def decrement_orders_in_process_count!
+    Qwaiter::Counter.decr "supplier:#{id}:orders_in_process"
+  end
+
+  def decrement_orders_delivered_count!
+    Qwaiter::Counter.decr "supplier:#{id}:orders_delivered"
+  end
+
+  def orders_in_process_count
+    Qwaiter::Counter.get "supplier:#{id}:orders_in_process"
+  end
+
+  def orders_delivered_count
+    Qwaiter::Counter.get "supplier:#{id}:orders_delivered"
+  end
+
+  def active_order_count
+    orders_in_process_count + orders_delivered_count
+  end
+
   private
 
   def add_section_on_create