Add Segment for users without supports on Budget

Created not_supported_on_current_budget at UserSegment along with model
spec scenario and translation strings.

lib/user_segments.rb

@@ -5,7 +5,8 @@ class UserSegments
                 investment_authors
                 feasible_and_undecided_investment_authors
                 selected_investment_authors
-                winner_investment_authors)
+                winner_investment_authors
+                not_supported_on_current_budget)
 
   def self.all_users
     User.active
@@ -37,6 +38,17 @@ class UserSegments
     author_ids(current_budget_investments.winners.pluck(:author_id).uniq)
   end
 
+  def self.not_supported_on_current_budget
+    author_ids(
+      User.where(
+                  'id NOT IN (SELECT DISTINCT(voter_id) FROM votes'\
+                  ' WHERE votable_type = ? AND votes.votable_id IN (?))',
+                  'Budget::Investment',
+                  current_budget_investments.pluck(:id)
+                )
+    )
+  end
+
   def self.user_segment_emails(users_segment)
     UserSegments.send(users_segment).newsletter.pluck(:email).compact
   end