counter fixes

app/models/supplier.rb

@@ -170,28 +170,37 @@ class Supplier
     true
   end
 
+  # COUNTER SECTION. Can be a concern in a future
   def increment_orders_in_process_count!
-    Qwaiter::Counter.incr "supplier_counter:#{id}:orders_in_process"
+    Qwaiter::Counter.incr self.class.orders_in_process_counter_key(id)
   end
 
   def increment_orders_placed_count!
-    Qwaiter::Counter.incr "supplier_counter:#{id}:orders_placed"
+    Qwaiter::Counter.incr self.class.orders_placed_counter_key(id)
   end
 
   def decrement_orders_in_process_count!
-    Qwaiter::Counter.decr "supplier_counter:#{id}:orders_in_process"
+    Qwaiter::Counter.decr self.class.orders_in_process_counter_key(id)
   end
 
   def decrement_orders_placed_count!
-    Qwaiter::Counter.decr "supplier_counter:#{id}:orders_placed"
+    Qwaiter::Counter.decr self.class.orders_placed_counter_key(id)
   end
 
   def orders_in_process_count
-    Qwaiter::Counter.get "supplier_counter:#{id}:orders_in_process"
+    Qwaiter::Counter.get self.class.orders_in_process_counter_key(id)
   end
 
   def orders_placed_count
-    Qwaiter::Counter.get "supplier_counter:#{id}:orders_placed"
+    Qwaiter::Counter.get self.class.orders_placed_counter_key(id)
+  end
+
+  def self.orders_in_process_counter_key(id)
+    "supplier_counter:#{id}:orders_in_process"
+  end
+
+  def self.orders_placed_counter_key(id)
+    "supplier_counter:#{id}:orders_placed"
   end
 
   def active_order_count