Remove unused Debian distribution methods

Methods #needs_update? and #time_duration_expired? are not used.

Changelog: removed

app/models/concerns/packages/debian/distribution.rb

@@ -96,18 +96,8 @@ module Packages
           architectures.pluck(:name).sort
         end
 
-        def needs_update?
-          !file.exists? || time_duration_expired?
-        end
-
         private
 
-        def time_duration_expired?
-          return false unless valid_time_duration_seconds.present?
-
-          updated_at + valid_time_duration_seconds.seconds + 6.hours < Time.current
-        end
-
         def unique_codename_and_suite
           errors.add(:codename, _('has already been taken as Suite')) if codename_exists_as_suite?
           errors.add(:suite, _('has already been taken as Codename')) if suite_exists_as_codename?

spec/services/packages/debian/process_changes_service_spec.rb

@@ -36,7 +36,6 @@ RSpec.describe Packages::Debian::ProcessChangesService do
           .to not_change { Packages::Package.count }
           .and not_change { Packages::PackageFile.count }
           .and not_change { incoming.package_files.count }
-          .and not_change { distribution.reload.needs_update? }
           .and raise_error(Packages::Debian::ExtractChangesMetadataService::ExtractionError, 'is not a changes file')
       end
     end
@@ -54,7 +53,6 @@ RSpec.describe Packages::Debian::ProcessChangesService do
           .to not_change { Packages::Package.count }
           .and not_change { Packages::PackageFile.count }
           .and not_change { incoming.package_files.count }
-          .and not_change { distribution.reload.needs_update? }
           .and raise_error(ActiveRecord::ConnectionTimeoutError, 'connect timeout')
       end
     end

spec/support/shared_examples/models/packages/debian/distribution_shared_examples.rb

@@ -193,42 +193,6 @@ RSpec.shared_examples 'Debian Distribution' do |factory, container, can_freeze|
     end
   end
 
-  describe '#needs_update?' do
-    subject { distribution.needs_update? }
-
-    context 'with new distribution' do
-      let(:distribution) { create(factory, container: distribution_with_suite.container) }
-
-      it { is_expected.to be_truthy }
-    end
-
-    context 'with file' do
-      context 'without valid_time_duration_seconds' do
-        let(:distribution) { create(factory, :with_file, container: distribution_with_suite.container) }
-
-        it { is_expected.to be_falsey }
-      end
-
-      context 'with valid_time_duration_seconds' do
-        let(:distribution) { create(factory, :with_file, container: distribution_with_suite.container, valid_time_duration_seconds: 2.days.to_i) }
-
-        context 'when not yet expired' do
-          it { is_expected.to be_falsey }
-        end
-
-        context 'when expired' do
-          it do
-            distribution
-
-            travel_to(4.days.from_now) do
-              is_expected.to be_truthy
-            end
-          end
-        end
-      end
-    end
-  end
-
   if container == :project
     describe 'project distribution specifics' do
       describe 'relationships' do