feat(support): override select filter to translate values

Author: difernandez

lib/activeadmin_addons/support/select_filter_input_extension.rb

@@ -0,0 +1,19 @@
+module ActiveAdminAddons
+  module SelectFilterInputExtension
+    def collection_from_enum?
+      klass.respond_to?(:defined_enums) && klass.defined_enums.has_key?(method.to_s)
+    end
+
+    def collection
+      if !options[:collection] && collection_from_enum?
+        EnumUtils.options_for_select(klass, method.to_s, use_db_value: true)
+      else
+        super
+      end
+    end
+  end
+end
+
+::ActiveAdmin::Inputs::Filters::SelectInput.send(
+  :prepend, ActiveAdminAddons::SelectFilterInputExtension
+)

spec/features/inputs/select_filter_input_spec.rb

@@ -0,0 +1,80 @@
+require "rails_helper"
+
+describe "Select Filter Input", type: :feature do
+  context 'when used with an enum column' do
+    let!(:active_invoice) { Invoice.create!(status: :active) }
+    let!(:archived_invoice) { Invoice.create!(status: :archived) }
+    let(:option_selector) { '.filter_form select[name="q[status_eq]"] option' }
+
+    context "with collection option" do
+      before do
+        register_page(Invoice) do
+          filter :status, as: :select, collection: [
+            ['Activo, si se considera', 0],
+            ['Archivado, ya no se considera', 1],
+            ['Estado que no existe', 42]
+          ]
+        end
+
+        visit admin_invoices_path
+      end
+
+      it "uses collection directly" do
+        expect(page.find("#{option_selector}[value='0']").text).to eq('Activo, si se considera')
+        expect(page.find("#{option_selector}[value='1']").text).to(
+          eq('Archivado, ya no se considera')
+        )
+        expect(page.find("#{option_selector}[value='42']").text).to eq('Estado que no existe')
+      end
+
+      it 'displays all records' do
+        expect(page).to have_css('.col-id', text: /#{active_invoice.id}/)
+        expect(page).to have_css('.col-id', text: /#{archived_invoice.id}/)
+      end
+
+      context 'when selecting a value', js: true do
+        before do
+          pick_select2_entered_option('Activo, si se considera')
+          click_filter_btn
+        end
+
+        it 'displays only elements with that value' do
+          expect(page).to have_css('.col-id', text: /#{active_invoice.id}/)
+          expect(page).not_to have_css('.col-id', text: /#{archived_invoice.id}/)
+        end
+      end
+    end
+
+    context "without collection option" do
+      before do
+        register_page(Invoice) do
+          filter :status, as: :select
+        end
+
+        visit admin_invoices_path
+      end
+
+      it "renders options with enum db values and translated labels" do
+        expect(page.find("#{option_selector}[value='0']").text).to eq('Activo')
+        expect(page.find("#{option_selector}[value='1']").text).to eq('Archivado')
+      end
+
+      it 'displays all records' do
+        expect(page).to have_css('.col-id', text: /#{active_invoice.id}/)
+        expect(page).to have_css('.col-id', text: /#{archived_invoice.id}/)
+      end
+
+      context 'when selecting a value', js: true do
+        before do
+          pick_select2_entered_option('Archivado')
+          click_filter_btn
+        end
+
+        it 'displays only elements with that value' do
+          expect(page).to have_css('.col-id', text: /#{archived_invoice.id}/)
+          expect(page).not_to have_css('.col-id', text: /#{active_invoice.id}/)
+        end
+      end
+    end
+  end
+end