Add back PayPal as a payment method for the starter frontend

.circleci/config.yml

@@ -220,15 +220,22 @@ jobs:
 
       - install_solidus: { flags: "--sample=false --frontend=starter --authentication=devise" }
       - test_page: { expected_text: "The only eCommerce platform you’ll ever need." }
+      - run:
+          name: Ensure the correct PayPal is installed for SSF
+          command: |
+            cd /tmp/my_app
+            bundle list | grep 'solidus_paypal_commerce_platform (1.'
 
       - install_solidus: { flags: "--sample=false --frontend=none --authentication=none" }
       - test_page: { expected_text: "<title>Ruby on Rails" }
 
-      - install_solidus: { flags: "--sample=false --frontend=solidus_frontend --authentication=custom" }
+      - install_solidus: { flags: "--sample=false --frontend=classic --authentication=custom" }
       - test_page: { expected_text: "data-hook=" }
-
-      - install_solidus: { flags: "--sample=false --frontend=solidus_starter_frontend --authentication=devise" }
-      - test_page: { expected_text: "The only eCommerce platform you’ll ever need." }
+      - run:
+          name: Ensure the correct PayPal is installed for SSF
+          command: |
+            cd /tmp/my_app
+            bundle list | grep 'solidus_paypal_commerce_platform (0.'
 
       - run:
           name: "Test `rake task: extensions:test_app`"

core/lib/generators/solidus/install/app_templates/payment_method/paypal.rb

@@ -3,7 +3,8 @@
 end
 
 unless Bundler.locked_gems.dependencies['solidus_paypal_commerce_platform']
-  bundle_command 'add solidus_paypal_commerce_platform'
+  version = @selected_frontend == 'classic' ? '< 1' : '>= 1.a'
+  bundle_command "add solidus_paypal_commerce_platform --version='#{version}'"
 end
 
 generate 'solidus_paypal_commerce_platform:install'

core/lib/generators/solidus/install/install_generator.rb

@@ -16,6 +16,7 @@ class InstallGenerator < Rails::Generators::AppBase
       classic
       starter
     ]
+
     LEGACY_FRONTENDS = %w[
       solidus_starter_frontend
       solidus_frontend
@@ -322,18 +323,27 @@ def detect_payment_method_to_install
       return 'paypal' if Bundler.locked_gems.dependencies['solidus_paypal_commerce_platform']
       return 'bolt' if Bundler.locked_gems.dependencies['solidus_bolt']
 
-      options[:payment_method] ||
-        (options[:auto_accept] && @selected_frontend == 'classic' ? 'paypal' : 'none') ||
-        (@selected_frontend != 'classic' && 'none') || # bail out if it's not classic
+      descriptions = {
+        paypal: "- [#{set_color 'paypal', :bold}] Install `solidus_paypal_commerce_platform` (#{set_color :default, :bold}).",
+        bolt: "- [#{set_color 'bolt', :bold}] Install `solidus_bolt`.",
+        none: "- [#{set_color 'none', :bold}] Skip installing a payment method.",
+      }
+
+      payment_methods = PAYMENT_METHODS
+
+      if @selected_frontend != 'classic'
+        payment_methods -= ['bolt']
+        descriptions.delete(:bolt)
+      end
+
+      selected = options[:payment_method] || (options[:auto_accept] && 'paypal') ||
         ask_with_description(
           default: 'paypal',
-          limited_to: PAYMENT_METHODS,
+          limited_to: payment_methods,
           desc: <<~TEXT
             Which payment method would you like to use?
 
-            - [#{set_color 'paypal', :bold}] Install `solidus_paypal_commerce_platform` (#{set_color :default, :bold}).
-            - [#{set_color 'bolt', :bold}] Install `solidus_bolt`.
-            - [#{set_color 'none', :bold}] Skip installing a payment method.
+            #{descriptions.values.join("\n")}
           TEXT
         )
     end

core/spec/generators/solidus/install/install_generator_spec.rb

@@ -12,7 +12,7 @@
       aggregate_failures do
         expect(generator.instance_variable_get(:@selected_frontend)).to eq("starter")
         expect(generator.instance_variable_get(:@selected_authentication)).to eq("devise")
-        expect(generator.instance_variable_get(:@selected_payment_method)).to eq("none")
+        expect(generator.instance_variable_get(:@selected_payment_method)).to eq("paypal")
         expect(generator.instance_variable_get(:@run_migrations)).to eq(true)
         expect(generator.instance_variable_get(:@load_seed_data)).to eq(true)
         expect(generator.instance_variable_get(:@load_sample_data)).to eq(true)
@@ -96,5 +96,43 @@
         expect(generator.instance_variable_get(:@selected_frontend)).to eq('starter')
       end
     end
+
+    context 'when asked interactively' do
+      it 'presents different options for the "classic"' do
+        questions = []
+        generator = described_class.new([], ['--frontend=classic', '--authentication=devise'])
+        allow(generator).to receive(:ask_with_description) { |**args| questions << args }
+
+        generator.prepare_options
+
+        expect(questions.size).to eq(1)
+        expect(questions.first[:limited_to]).to eq(['paypal', 'bolt', 'none'])
+        expect(questions.first[:default]).to eq('paypal')
+        expect(strip_ansi questions.first[:desc]).to include('[paypal]')
+        expect(strip_ansi questions.first[:desc]).to include('[bolt]')
+        expect(strip_ansi questions.first[:desc]).to include('[none]')
+      end
+
+      it 'presents different options for the "classic"' do
+        questions = []
+        generator = described_class.new([], ['--frontend=starter', '--authentication=devise'])
+        allow(generator).to receive(:ask_with_description) { |**args| questions << args }
+
+        generator.prepare_options
+
+        expect(questions.size).to eq(1)
+        expect(questions.first[:limited_to]).to eq(['paypal', 'none'])
+        expect(questions.first[:default]).to eq('paypal')
+        expect(strip_ansi questions.first[:desc]).to include('[paypal]')
+        expect(strip_ansi questions.first[:desc]).not_to include('[bolt]')
+        expect(strip_ansi questions.first[:desc]).to include('[none]')
+      end
+    end
+  end
+
+  private
+
+  def strip_ansi(string)
+    string.gsub(/\u001b\[.*?m/, '')
   end
 end