Introduce ApplicationQuery

app/models/pageflow/account_member_query.rb

@@ -1,6 +1,6 @@
 module Pageflow
-  class AccountMemberQuery
-    class Scope
+  class AccountMemberQuery < ApplicationQuery
+    class Scope < Scope
       # Account whose members we scope
       # @return {Pageflow::Account}
       attr_reader :account
@@ -52,11 +52,6 @@ def memberships_for_account_with_at_least_role(role)
       def membership_is_present
         'pageflow_account_memberships.entity_id IS NOT NULL'
       end
-
-      # @api private
-      def sanitize_sql(sql, interpolations)
-        ActiveRecord::Base.send(:sanitize_sql_array, [sql, interpolations])
-      end
     end
   end
 end

app/models/pageflow/application_query.rb

@@ -0,0 +1,12 @@
+module Pageflow
+  class ApplicationQuery
+    class Scope
+      protected
+
+      # @api protected
+      def sanitize_sql(sql, interpolations)
+        ActiveRecord::Base.send(:sanitize_sql_array, [sql, interpolations])
+      end
+    end
+  end
+end

app/models/pageflow/entry_role_query.rb

@@ -1,6 +1,6 @@
 module Pageflow
-  class EntryRoleQuery
-    class Scope
+  class EntryRoleQuery < ApplicationQuery
+    class Scope < Scope
       attr_reader :user, :scope
 
       def initialize(user, scope)
@@ -50,10 +50,6 @@ def either_membership_is_present
         'pageflow_entry_memberships.entity_id IS NOT NULL OR ' \
         'pageflow_entry_account_memberships.entity_id IS NOT NULL'
       end
-
-      def sanitize_sql(sql, interpolations)
-        ActiveRecord::Base.send(:sanitize_sql_array, [sql, interpolations])
-      end
     end
 
     def initialize(user, entry)