Extract CI::Minutes::Limit class

ee/app/models/ci/minutes/limit.rb

+# frozen_string_literal: true
+
+# This class is responsible for dealing with the CI minutes limits set at root namespace level.
+
+module Ci
+  module Minutes
+    class Limit
+      include Gitlab::Utils::StrongMemoize
+
+      def initialize(namespace)
+        @namespace = namespace
+      end
+
+      def enabled?
+        namespace.root? && !unlimited?
+      end
+
+      def total
+        monthly + purchased
+      end
+
+      def monthly
+        strong_memoize(:monthly) do
+          (namespace.shared_runners_minutes_limit || ::Gitlab::CurrentSettings.shared_runners_minutes).to_i
+        end
+      end
+
+      def purchased
+        strong_memoize(:purchased) do
+          namespace.extra_shared_runners_minutes_limit.to_i
+        end
+      end
+
+      def any_purchased?
+        purchased > 0
+      end
+
+      private
+
+      attr_reader :namespace
+
+      def unlimited?
+        total == 0
+      end
+    end
+  end
+end

ee/app/models/ci/minutes/quota.rb

@@ -9,34 +9,29 @@ module Ci
     class Quota
       include Gitlab::Utils::StrongMemoize
 
-      attr_reader :namespace
+      attr_reader :namespace, :limit
 
       def initialize(namespace)
         @namespace = namespace
+        @limit = ::Ci::Minutes::Limit.new(namespace)
       end
 
       def enabled?
-        namespace_root? && !namespace_unlimited_minutes?
+        limit.enabled?
       end
 
       def minutes_used_up?
-        enabled? && total_minutes_used >= total_minutes
+        enabled? && total_minutes_used >= limit.total
       end
 
       def percent_total_minutes_remaining
-        return 0 if total_minutes == 0
+        return 0 unless limit.enabled?
 
-        100 * total_minutes_remaining.to_i / total_minutes
+        100 * total_minutes_remaining.to_i / limit.total
       end
 
       def current_balance
-        total_minutes.to_i - total_minutes_used
-      end
-
-      def total_minutes
-        strong_memoize(:total_minutes) do
-          monthly_minutes + purchased_minutes
-        end
+        limit.total - total_minutes_used
       end
 
       def total_minutes_used
@@ -59,33 +54,11 @@ module Ci
         end
       end
 
-      def purchased_minutes
-        strong_memoize(:purchased_minutes) do
-          namespace.extra_shared_runners_minutes_limit.to_i
-        end
-      end
-
-      def namespace_root?
-        strong_memoize(:namespace_root) do
-          namespace.root?
-        end
-      end
-
-      def namespace_unlimited_minutes?
-        total_minutes.to_i == 0
-      end
-
-      def monthly_minutes
-        strong_memoize(:monthly_minutes) do
-          (namespace.shared_runners_minutes_limit || ::Gitlab::CurrentSettings.shared_runners_minutes).to_i
-        end
-      end
-
       # === private to view ===
       def monthly_minutes_used_up?
         return false unless enabled?
 
-        monthly_minutes_used >= monthly_minutes
+        monthly_minutes_used >= limit.monthly
       end
 
       def monthly_minutes_used
@@ -95,13 +68,13 @@ module Ci
       def purchased_minutes_used_up?
         return false unless enabled?
 
-        any_minutes_purchased? && purchased_minutes_used >= purchased_minutes
+        limit.any_purchased? && purchased_minutes_used >= limit.purchased
       end
 
       def purchased_minutes_used
-        return 0 if no_minutes_purchased? || monthly_minutes_available?
+        return 0 if !limit.any_purchased? || monthly_minutes_available?
 
-        total_minutes_used - monthly_minutes
+        total_minutes_used - limit.monthly
       end
 
       private
@@ -111,15 +84,7 @@ module Ci
       end
 
       def monthly_minutes_available?
-        total_minutes_used <= monthly_minutes
-      end
-
-      def no_minutes_purchased?
-        purchased_minutes == 0
-      end
-
-      def any_minutes_purchased?
-        purchased_minutes > 0
+        total_minutes_used <= limit.monthly
       end
 
       def total_minutes_remaining

ee/app/presenters/ci/minutes/quota_presenter.rb

@@ -16,30 +16,30 @@ module Ci
 
       def monthly_percent_used
         return 0 unless quota.enabled?
-        return 0 if quota.monthly_minutes == 0
+        return 0 if quota.limit.monthly == 0
 
-        100 * quota.monthly_minutes_used.to_i / quota.monthly_minutes
+        100 * quota.monthly_minutes_used.to_i / quota.limit.monthly
       end
 
       # Status of any purchased minutes used.
       def purchased_minutes_report
         status = quota.purchased_minutes_used_up? ? :over_quota : :under_quota
-        Report.new(quota.purchased_minutes_used, quota.purchased_minutes, status)
+        Report.new(quota.purchased_minutes_used, quota.limit.purchased, status)
       end
 
       def purchased_percent_used
         return 0 unless quota.enabled?
-        return 0 if quota.purchased_minutes == 0
+        return 0 unless quota.limit.any_purchased?
 
-        100 * quota.purchased_minutes_used.to_i / quota.purchased_minutes
+        100 * quota.purchased_minutes_used.to_i / quota.limit.purchased
       end
 
       def display_minutes_available_data?
-        display_shared_runners_data? && !quota.namespace_unlimited_minutes?
+        display_shared_runners_data? && quota.limit.enabled?
       end
 
       def display_shared_runners_data?
-        quota.namespace_root? && any_project_enabled?
+        quota.namespace.root? && any_project_enabled?
       end
 
       def any_project_enabled?
@@ -60,7 +60,7 @@ module Ci
         return _('Not supported') unless display_shared_runners_data?
 
         if display_minutes_available_data?
-          quota.monthly_minutes
+          quota.limit.monthly
         else
           _('Unlimited')
         end

ee/app/serializers/ee/build_detail_entity.rb

@@ -12,7 +12,7 @@ module EE
           end
 
           expose :limit do |runner|
-            project.ci_minutes_quota.total_minutes
+            project.ci_minutes_quota.limit.total
           end
         end
       end

ee/app/views/admin/projects/_shared_runner_status.html.haml

@@ -5,7 +5,7 @@
       - if project.shared_runners_enabled?
         Enabled
         - if project.shared_runners_minutes_limit_enabled?
-          - limit = project.ci_minutes_quota.total_minutes
+          - limit = project.ci_minutes_quota.limit.total
           (Limited to #{limit} pipeline minutes per month)
         - else
           (Unlimited pipeline minutes)

ee/spec/helpers/ee/namespaces_helper_spec.rb

@@ -49,12 +49,12 @@ RSpec.describe EE::NamespacesHelper do
 
       context "when ci minutes quota is not enabled" do
         before do
-          allow(quota).to receive(:namespace_unlimited_minutes?).and_return(true)
+          user_group.update!(shared_runners_minutes_limit: 0)
         end
 
         context 'and the namespace is eligible for unlimited' do
           before do
-            allow(quota).to receive(:namespace_root?).and_return(true)
+            allow(user_group).to receive(:root?).and_return(true)
             allow(user_group).to receive(:any_project_with_shared_runners_enabled?).and_return(true)
           end
 
@@ -65,7 +65,7 @@ RSpec.describe EE::NamespacesHelper do
 
         context 'and the namespace is not eligible for unlimited' do
           before do
-            allow(quota).to receive(:namespace_root?).and_return(false)
+            allow(user_group).to receive(:root?).and_return(false)
           end
 
           it 'returns Not supported for the limit section' do

ee/spec/models/ci/minutes/limit_spec.rb

+# frozen_string_literal: true
+require 'spec_helper'
+
+RSpec.describe Ci::Minutes::Limit do
+  using RSpec::Parameterized::TableSyntax
+
+  let_it_be_with_reload(:namespace) { create(:namespace) }
+  let_it_be_with_reload(:another_group) { create(:group) }
+
+  let(:limit) { described_class.new(namespace) }
+  let(:namespace_monthly_limit) { 400 }
+  let(:application_monthly_limit) { 400 }
+  let(:purchased_minutes) { 0 }
+
+  before do
+    namespace.shared_runners_minutes_limit = namespace_monthly_limit
+    namespace.extra_shared_runners_minutes_limit = purchased_minutes
+    allow(::Gitlab::CurrentSettings).to receive(:shared_runners_minutes).and_return(application_monthly_limit)
+  end
+
+  describe '#enabled?' do
+    subject { limit.enabled? }
+
+    where(:namespace_monthly_limit, :application_monthly_limit, :purchased_minutes, :result) do
+      0   | 100 | 0  | false
+      0   | 100 | 10 | true
+      nil | 100 | 10 | true
+      nil | 100 | 0  | true
+      20  | 100 | 0  | true
+      nil | nil | 0  | false
+      nil | 0   | 0  | false
+    end
+
+    with_them do
+      it { is_expected.to eq(result) }
+
+      context 'when namespace is not root' do
+        before do
+          namespace.parent = another_group
+        end
+
+        it { is_expected.to eq(false) }
+      end
+    end
+  end
+
+  describe '#total' do
+    subject { limit.total }
+
+    where(:namespace_monthly_limit, :application_monthly_limit, :purchased_minutes, :result) do
+      20  | 100 | 30 | 50
+      nil | 100 | 30 | 130
+      20  | 100 | 0  | 20
+      0   | 0   | 30 | 30
+      nil | 0   | 30 | 30
+    end
+
+    with_them do
+      it { is_expected.to eq(result) }
+    end
+  end
+
+  describe '#monthly' do
+    subject { limit.monthly}
+
+    where(:namespace_monthly_limit, :application_monthly_limit, :result) do
+      20  | 100 | 20
+      nil | 100 | 100
+      100 | nil | 100
+      0   | 100 | 0
+      nil | nil | 0
+    end
+
+    with_them do
+      it { is_expected.to eq(result) }
+    end
+  end
+
+  describe '#purchased and #any_purchased?' do
+    where(:purchased_minutes, :purchased, :any_purchased) do
+      nil | 0  | false
+      0   | 0  | false
+      10  | 10 | true
+    end
+
+    with_them do
+      it do
+        expect(limit.purchased).to eq(purchased)
+        expect(limit.any_purchased?).to eq(any_purchased)
+      end
+    end
+  end
+end

ee/spec/models/ci/minutes/quota_spec.rb

@@ -91,28 +91,6 @@ RSpec.describe Ci::Minutes::Quota do
     end
   end
 
-  describe '#total_minutes' do
-    subject { quota.total_minutes }
-
-    where(:namespace_monthly_limit, :application_monthly_limit, :purchased_minutes, :result) do
-      20  | 100 | 30 | 50
-      nil | 100 | 30 | 130
-      20  | 100 | 0  | 20
-      0   | 0   | 30 | 30
-      nil | 0   | 30 | 30
-    end
-
-    with_them do
-      before do
-        namespace.shared_runners_minutes_limit = namespace_monthly_limit
-        allow(::Gitlab::CurrentSettings).to receive(:shared_runners_minutes).and_return(application_monthly_limit)
-        allow(namespace).to receive(:extra_shared_runners_minutes_limit).and_return(purchased_minutes)
-      end
-
-      it { is_expected.to eq(result) }
-    end
-  end
-
   describe '#total_minutes_used' do
     subject { quota.total_minutes_used }