Adds jira issue enforcement field

Adds a new field to project level settings
behind a default-off feature flag which will
eventually prevent the merging of a merge request
without an associated Jira issue.

app/controllers/projects_controller.rb

@@ -396,6 +396,14 @@ class ProjectsController < Projects::ApplicationController
     ]
   end
 
+  def project_setting_attributes
+    %i[
+      show_default_award_emojis
+      squash_option
+      allow_editing_commit_messages
+    ]
+  end
+
   def project_params_attributes
     [
       :allow_merge_on_skipped_pipeline,
@@ -433,11 +441,7 @@ class ProjectsController < Projects::ApplicationController
       :suggestion_commit_message,
       :packages_enabled,
       :service_desk_enabled,
-      project_setting_attributes: %i[
-        show_default_award_emojis
-        squash_option
-        allow_editing_commit_messages
-      ]
+      project_setting_attributes: project_setting_attributes
     ] + [project_feature_attributes: project_feature_attributes]
   end
 

app/models/project_setting.rb

@@ -21,4 +21,4 @@ class ProjectSetting < ApplicationRecord
   end
 end
 
-ProjectSetting.prepend_if_ee('EE::ProjectSetting')
+ProjectSetting.prepend_ee_mod

app/views/projects/_merge_request_merge_checks_settings.html.haml

@@ -24,3 +24,4 @@
     = form.check_box :only_allow_merge_if_all_discussions_are_resolved, class: 'form-check-input', data: { qa_selector: 'allow_merge_if_all_discussions_are_resolved_checkbox' }
     = form.label :only_allow_merge_if_all_discussions_are_resolved, class: 'form-check-label' do
       = s_('ProjectSettings|All discussions must be resolved')
+  = render_if_exists 'projects/merge_request_merge_checks_jira_enforcement', form: form, project: @project

changelogs/unreleased/297644-jira-association-requirements-be.yml

+---
+title: Adds jira issue enforcement field
+merge_request: 52896
+author:
+type: added

db/migrate/20210128101707_add_prevent_merge_without_jira_issue_to_project_settings.rb

+# frozen_string_literal: true
+
+class AddPreventMergeWithoutJiraIssueToProjectSettings < ActiveRecord::Migration[6.0]
+  include Gitlab::Database::MigrationHelpers
+  DOWNTIME = false
+
+  def up
+    with_lock_retries do
+      add_column :project_settings, :prevent_merge_without_jira_issue, :boolean, null: false, default: false
+    end
+  end
+
+  def down
+    with_lock_retries do
+      remove_column :project_settings, :prevent_merge_without_jira_issue
+    end
+  end
+end

db/schema_migrations/20210128101707

+ae84fa35fcc5a0780d86887294a32e250d2ac13dcf607750f834df5828e5bece
\ No newline at end of file

db/structure.sql

@@ -16039,6 +16039,7 @@ CREATE TABLE project_settings (
     has_confluence boolean DEFAULT false NOT NULL,
     has_vulnerabilities boolean DEFAULT false NOT NULL,
     allow_editing_commit_messages boolean DEFAULT false NOT NULL,
+    prevent_merge_without_jira_issue boolean DEFAULT false NOT NULL,
     CONSTRAINT check_bde223416c CHECK ((show_default_award_emojis IS NOT NULL))
 );
 

ee/app/controllers/ee/projects_controller.rb

@@ -73,6 +73,11 @@ module EE
 
     private
 
+    override :project_setting_attributes
+    def project_setting_attributes
+      super + [:prevent_merge_without_jira_issue]
+    end
+
     def project_params_ee
       attrs = %i[
         approvals_before_merge

ee/app/models/ee/project.rb

@@ -232,6 +232,11 @@ module EE
       accepts_nested_attributes_for :compliance_framework_setting, update_only: true, allow_destroy: true
 
       alias_attribute :fallback_approvals_required, :approvals_before_merge
+
+      def jira_issue_association_required_to_merge_enabled?
+        ::Feature.enabled?(:jira_issue_association_on_merge_request, self) &&
+          feature_available?(:jira_issue_association_enforcement)
+      end
     end
 
     class_methods do

ee/app/models/license.rb

@@ -152,6 +152,7 @@ class License < ApplicationRecord
     insights
     issuable_health_status
     jira_vulnerabilities_integration
+    jira_issue_association_enforcement
     license_scanning
     personal_access_token_expiration_policy
     project_activity_analytics

ee/app/views/projects/_merge_request_merge_checks_jira_enforcement.html.haml

+- project = local_assigns.fetch(:project)
+
+- if project.jira_issue_association_required_to_merge_enabled?
+  .form-check.gl-mb-3
+    = form.fields_for :project_setting do |settings|
+      = settings.check_box :prevent_merge_without_jira_issue, class: 'form-check-input'
+      = settings.label :prevent_merge_without_jira_issue, class: 'form-check-label' do
+        = s_('ProjectSettings|Require an associated issue from Jira')

ee/config/feature_flags/development/jira_issue_association_on_merge_request.yml

+---
+name: jira_issue_association_on_merge_request
+introduced_by_url: https://gitlab.com/gitlab-org/gitlab/-/merge_requests/52896
+rollout_issue_url: https://gitlab.com/gitlab-org/gitlab/-/issues/300271
+milestone: '13.9'
+type: development
+group: group::compliance
+default_enabled: false

ee/spec/models/project_spec.rb

@@ -56,6 +56,28 @@ RSpec.describe Project do
 
     it { is_expected.to have_many(:incident_management_oncall_schedules).class_name('IncidentManagement::OncallSchedule') }
 
+    describe '#jira_issue_association_required_to_merge_enabled?' do
+      using RSpec::Parameterized::TableSyntax
+
+      where(:licensed, :feature_flag, :result) do
+        true  | true  | true
+        true  | false | false
+        false | false | false
+        false | true  | false
+      end
+
+      before do
+        stub_licensed_features(jira_issue_association_enforcement: licensed)
+        stub_feature_flags(jira_issue_association_on_merge_request: feature_flag)
+      end
+
+      with_them do
+        it 'returns the correct value' do
+          expect(project.jira_issue_association_required_to_merge_enabled?).to eq(result)
+        end
+      end
+    end
+
     describe 'approval_rules association' do
       let_it_be(:rule, reload: true) { create(:approval_project_rule) }
       let(:project) { rule.project }

locale/gitlab.pot

@@ -23006,6 +23006,9 @@ msgstr ""
 msgid "ProjectSettings|Require"
 msgstr ""
 
+msgid "ProjectSettings|Require an associated issue from Jira"
+msgstr ""
+
 msgid "ProjectSettings|Requirements"
 msgstr ""