Move filtering todos by projects not pending deletion into a scope on the todo model

app/finders/todos_finder.rb

@@ -23,13 +23,7 @@ class TodosFinder
   end
 
   def execute
-    items = current_user.todos
-
-    # Filter out todos linked to project pending deletion
-    items = items.joins(
-      'INNER JOIN projects ON projects.id = todos.project_id AND projects.pending_delete = false'
-    )
-
+    items = current_user.todos.not_pending_delete
     items = by_action_id(items)
     items = by_author(items)
     items = by_project(items)

app/models/todo.rb

@@ -19,6 +19,7 @@ class Todo < ActiveRecord::Base
 
   scope :pending, -> { with_state(:pending) }
   scope :done, -> { with_state(:done) }
+  scope :not_pending_delete, -> { joins('INNER JOIN projects ON projects.id = todos.project_id AND projects.pending_delete = false') }
 
   state_machine :state, initial: :pending do
     event :done do