Use resource in Group Variables routing scheme

app/controllers/groups/variables_controller.rb

@@ -2,7 +2,18 @@ module Groups
   class VariablesController < Groups::ApplicationController
     before_action :authorize_admin_build!
 
-    def save_multiple
+    def show
+      respond_to do |format|
+        format.json do
+          variables = @group.variables
+            .map { |variable| variable.present(current_user: current_user) }
+
+          render status: :ok, json: { variables: variables }
+        end
+      end
+    end
+
+    def update
       respond_to do |format|
         format.json do
           return head :ok if @group.update(variables_params)

app/presenters/ci/group_variable_presenter.rb

@@ -11,11 +11,11 @@ module Ci
     end
 
     def edit_path
-      group_variables_save_multiple_path(group)
+      group_variables_path(group)
     end
 
     def delete_path
-      group_variables_save_multiple_path(group)
+      group_variables_path(group)
     end
   end
 end

config/routes/group.rb

@@ -27,9 +27,7 @@ constraints(GroupUrlConstrainer.new) do
       resource :ci_cd, only: [:show], controller: 'ci_cd'
     end
 
-    namespace :variables do
+    resource :variables, only: [:show, :update]
-      post :save_multiple
-    end
 
     resources :children, only: [:index]
 

spec/controllers/groups/variables_controller_spec.rb

@@ -9,12 +9,26 @@ describe Groups::VariablesController do
     group.add_master(user)
   end
 
-  describe 'POST #save_multiple' do
+  describe 'GET #show' do
+    let!(:variable) { create(:ci_group_variable, group: group) }
+
+    subject do
+      get :show, group_id: group, format: :json
+    end
+
+    it 'renders the ci_variable as json' do
+      subject
+
+      expect(response.body).to include(variable.to_json)
+    end
+  end
+
+  describe 'POST #update' do
     let!(:variable) { create(:ci_group_variable, group: group) }
 
     context 'with invalid new variable parameters' do
       subject do
-        post :save_multiple,
+        post :update,
           group_id: group,
           variables_attributes: [{ id: variable.id, key: variable.key,
                                    value: 'other_value',
@@ -41,7 +55,7 @@ describe Groups::VariablesController do
 
     context 'with valid new variable parameters' do
       subject do
-        post :save_multiple,
+        post :update,
           group_id: group,
           variables_attributes: [{ id: variable.id, key: variable.key,
                                    value: 'other_value',
@@ -68,7 +82,7 @@ describe Groups::VariablesController do
 
     context 'with a deleted variable' do
       subject do
-        post :save_multiple,
+        post :update,
           group_id: group,
           variables_attributes: [{ id: variable.id, key: variable.key,
                                    value: variable.value,

spec/presenters/ci/group_variable_presenter_spec.rb

@@ -43,12 +43,12 @@ describe Ci::GroupVariablePresenter do
   describe '#edit_path' do
     subject { described_class.new(variable).edit_path }
 
-    it { is_expected.to eq(group_variables_save_multiple_path(group)) }
+    it { is_expected.to eq(group_variables_path(group)) }
   end
 
   describe '#delete_path' do
     subject { described_class.new(variable).delete_path }
 
-    it { is_expected.to eq(group_variables_save_multiple_path(group)) }
+    it { is_expected.to eq(group_variables_path(group)) }
   end
 end