Allow rejecting multiple statuses

lib/octobox/notifications/exclusive_scope.rb

@@ -6,7 +6,7 @@ module Octobox
       included do
         scope :unmuted,        -> { where("muted_at IS NULL") }
         scope :exclude_type,   ->(subject_type) { where.not(subject_type: subject_type) }
-        scope :exclude_status, ->(status)       { joins(:subject).where("subjects.status is NULL or subjects.status != ?", status) }
+        scope :exclude_status, ->(status)       { joins(:subject).where("subjects.status is NULL or subjects.status not in (?)", Array(status)) }
         scope :exclude_reason, ->(reason)       { where.not(reason: reason) }
         scope :not_locked,     -> { joins(:subject).where(subjects: { locked: false }) }
         scope :without_subject, -> { includes(:subject).where(subjects: { url: nil }) }

test/models/search_test.rb

@@ -60,4 +60,9 @@ class SearchTest < ActiveSupport::TestCase
     search = Search.new(query: 'type:release archived:true', scope: Notification.all, params: {})
     assert_equal search.to_query, 'type:release archived:true'
   end
+
+  test 'Allow rejecting multiple statuses' do
+    search = Search.new(query: '-status:merged -status:closed', scope: Notification.all, params: {})
+    assert_equal search.results.length, 0
+  end
 end