Add support for negated weight filtering in IssueFinder

ee/app/finders/ee/issues_finder.rb

@@ -88,10 +88,17 @@ module EE
     def filter_negated_items(items)
       items = by_negated_epic(items)
       items = by_negated_iteration(items)
+      items = by_negated_weight(items)
 
       super(items)
     end
 
+    def by_negated_weight(items)
+      return items unless not_params[:weight].present?
+
+      items.without_weights(not_params[:weight])
+    end
+
     def by_negated_epic(items)
       return items unless not_params[:epic_id].present?
 

ee/app/models/ee/issue.rb

@@ -25,6 +25,7 @@ module EE
       scope :order_status_page_published_last, -> { includes(:status_page_published_incident).order('status_page_published_incidents.id ASC NULLS FIRST') }
       scope :order_sla_due_at_asc, -> { includes(:issuable_sla).order('issuable_slas.due_at ASC NULLS LAST') }
       scope :order_sla_due_at_desc, -> { includes(:issuable_sla).order('issuable_slas.due_at DESC NULLS LAST') }
+      scope :without_weights, ->(weights) { where(weight: nil).or(where.not(weight: weights)) }
       scope :no_epic, -> { left_outer_joins(:epic_issue).where(epic_issues: { epic_id: nil }) }
       scope :any_epic, -> { joins(:epic_issue) }
       scope :in_epics, ->(epics) { joins(:epic_issue).where(epic_issues: { epic_id: epics }) }

ee/spec/finders/issues_finder_spec.rb

@@ -37,6 +37,14 @@ RSpec.describe IssuesFinder do
             expect(issues).to contain_exactly(issue_with_weight_42)
           end
         end
+
+        context 'filer issues by negated weight' do
+          let(:params) { { not: { weight: 1 } } }
+
+          it 'filters out issues with the specified weight' do
+            expect(issues).to contain_exactly(issue1, issue2, issue3, issue4, issue5, issue_with_weight_42)
+          end
+        end
       end
 
       context 'filtering by assignee IDs' do