Hide expire button in price edit form if price is expired

#313

app/presenters/billing/price_presenter.rb

@@ -0,0 +1,25 @@
+module Billing
+  class PricePresenter
+    def initialize(price:, view:)
+      @price = price
+      @view = view
+    end
+
+    def expire_btn
+      return if price.expired?
+
+      view.link_to(view.t('admin.billing.prices.expire_btn.label'),
+                   view.expire_admin_price_path(price),
+                   method: :patch,
+                   data: {
+                     confirm: view.t('admin.billing.prices.expire_btn.confirm'),
+                   },
+                   class: 'btn btn-danger')
+    end
+
+    private
+
+    attr_reader :price
+    attr_reader :view
+  end
+end

app/views/admin/billing/prices/edit.html.erb

@@ -1,3 +1,5 @@
+<% price = Billing::PricePresenter.new(price: @price, view: self) %>
+
 <ol class="breadcrumb">
     <li><%= link_to t('admin.billing.prices.index.title'), admin_prices_path %></li>
 </ol>
@@ -9,10 +11,7 @@
         </div>
 
         <div class="col-sm-2 text-right">
-            <%= link_to(t('.expire_btn'), expire_admin_price_path(@price),
-                        method: :patch,
-                        data: { confirm: t('.expire_btn_confirm') },
-                        class: 'btn btn-danger') %>
+            <%= price.expire_btn %>
         </div>
     </div>
 </div>

config/locales/admin/billing/prices.en.yml

@@ -15,8 +15,6 @@ en:
 
         edit:
           title: Edit price
-          expire_btn: Expire
-          expire_btn_confirm: Are you sure you want to expire price?
 
         update:
           updated: Price has been updated
@@ -32,3 +30,7 @@ en:
           all: All
           search_btn: Search
           reset_btn: Reset
+
+        expire_btn:
+          label: Expire
+          confirm: Are you sure you want to expire price?

spec/features/admin/billing/prices/expire_spec.rb

@@ -20,6 +20,6 @@ def open_edit_form
   end
 
   def expire
-    click_link_or_button t('admin.billing.prices.edit.expire_btn')
+    click_link_or_button t('admin.billing.prices.expire_btn.label')
   end
 end

spec/presenters/billing/price_presenter_spec.rb

@@ -0,0 +1,26 @@
+require 'rails_helper'
+
+RSpec.describe Billing::PricePresenter do
+  let(:presenter) { described_class.new(price: price, view: view) }
+
+  describe '#expire_btn' do
+    context 'when price is not expired' do
+      let(:price) { instance_double(Billing::Price, expired?: false) }
+
+      it 'returns expire button' do
+        html = view.link_to(t('admin.billing.prices.expire_btn.label'), expire_admin_price_path(price),
+                            method: :patch,
+                            data: {
+                              confirm: view.t('admin.billing.prices.expire_btn.confirm'),
+                            },
+                            class: 'btn btn-danger')
+        expect(presenter.expire_btn).to eq(html)
+      end
+    end
+
+    context 'when price is expired' do
+      let(:price) { instance_double(Billing::Price, expired?: true) }
+      specify { expect(presenter.expire_btn).to be_nil }
+    end
+  end
+end