Scope name uniqueness of approval rules to type

This will allow to create All Members regular rule

ee/app/models/approval_merge_request_rule.rb

@@ -23,7 +23,7 @@ class ApprovalMergeRequestRule < ApplicationRecord
     end
   end
 
-  validates :name, uniqueness: { scope: [:merge_request, :code_owner] }
+  validates :name, uniqueness: { scope: [:merge_request_id, :rule_type] }
   validates :rule_type, uniqueness: { scope: :merge_request_id, message: proc { _('any-approver for the merge request already exists') } }, if: :any_approver?
   validates :report_type, presence: true, if: :report_approver?
   # Temporary validations until `code_owner` can be dropped in favor of `rule_type`

ee/app/models/approval_project_rule.rb

@@ -16,7 +16,7 @@ class ApprovalProjectRule < ApplicationRecord
   alias_method :code_owner, :code_owner?
   validate :validate_default_license_report_name, on: :update, if: :report_approver?
 
-  validates :name, uniqueness: { scope: :project_id }
+  validates :name, uniqueness: { scope: [:project_id, :rule_type] }
   validates :rule_type, uniqueness: { scope: :project_id, message: proc { _('any-approver for the project already exists') } }, if: :any_approver?
 
   def self.applicable_to_branch(branch)

ee/changelogs/unreleased/id-scope-name-validation-for-approval-rules.yml

+---
+title: Scope name uniqueness of approval rules to type
+merge_request: 25875
+author:
+type: fixed

ee/spec/models/approval_merge_request_rule_spec.rb

@@ -16,6 +16,10 @@ describe ApprovalMergeRequestRule do
       expect(build(:approval_merge_request_rule, name: nil)).not_to be_valid
     end
 
+    it 'is invalid when name not unique within rule type and merge request' do
+      is_expected.to validate_uniqueness_of(:name).scoped_to([:merge_request_id, :rule_type])
+    end
+
     context 'approval_project_rule is set' do
       let(:approval_project_rule) { build(:approval_project_rule) }
       let(:merge_request_rule) { build(:approval_merge_request_rule, merge_request: merge_request, approval_project_rule: approval_project_rule) }

ee/spec/models/approval_project_rule_spec.rb

@@ -6,7 +6,9 @@ describe ApprovalProjectRule do
   subject { create(:approval_project_rule) }
 
   describe 'validations' do
-    it { is_expected.to validate_uniqueness_of(:name).scoped_to(:project_id) }
+    it 'is invalid when name not unique within rule type and project' do
+      is_expected.to validate_uniqueness_of(:name).scoped_to([:project_id, :rule_type])
+    end
   end
 
   describe '.regular' do