Add a routes.rb generator

Author: azimux

spec/generate_foobified_rails_files_spec.rb

@@ -58,6 +58,20 @@
           command.paths_to_source_code["Gemfile"]
         ).to include('gem "foobara-rails-command-connector"')
       end
+
+      it "generates the expected files" do
+        expect(outcome).to be_success
+
+        expect(
+          command.paths_to_source_code.keys
+        ).to contain_exactly(
+          "Gemfile",
+          "config/application.rb",
+          "app/commands/construct_greeting.rb",
+          "spec/commands/construct_greeting_spec.rb",
+          "config/routes.rb"
+        )
+      end
     end
 
     context "when using foobara-active-record-type" do

src/generators/base_generator.rb

@@ -13,7 +13,8 @@ def manifest_to_generator_classes(manifest)
                   Generators::GemfileGenerator,
                   ConfigApplicationGenerator,
                   SampleCommandGenerator,
-                  SampleCommandSpecGenerator
+                  SampleCommandSpecGenerator,
+                  RoutesGenerator
                 ]
               else
                 # :nocov:

src/generators/routes_generator.rb

@@ -0,0 +1,59 @@
+require_relative "base_generator"
+
+module Foobara
+  module Generators
+    module FoobifyRailsApp
+      module Generators
+        class RoutesGenerator < BaseGenerator
+          def applicable?
+            use_rails_command_connector? &&
+              File.exist?(template_path) &&
+              routes_rb_contents !~ /require.*foobara\/rails_command_connector/
+          end
+
+          def template_path
+            "config/routes.rb"
+          end
+
+          def target_path
+            template_path
+          end
+
+          def generate(_elements_to_generate)
+            with_requires_prepended = <<~HERE
+              require "foobara/rails_command_connector"
+              # require "foobara/auth_http"
+              # Foobara::CommandConnectors::RailsCommandConnector.new(authenticator: Foobara::AuthHttp::BearerAuthenticator)
+              Foobara::CommandConnectors::RailsCommandConnector.new
+              require "foobara/rails/routes"
+            HERE
+
+            with_requires_prepended = "#{with_requires_prepended}\n#{routes_rb_contents}"
+
+            match = with_requires_prepended.match(/Rails.application.routes.draw do/)
+
+            if match
+              # You can hit /run/ConstructGreeting or /help/ConstructGreeting
+              new_entry = "  command ConstructGreeting"
+
+              unless include_sample_command?
+                new_entry = "# #{new_entry}"
+              end
+
+              "#{match.pre_match}\n#{match}\n#{new_entry}#{match.post_match}"
+            else
+              # TODO: maybe print a warning and return the original Gemfile
+              # :nocov:
+              raise "Not sure how to inject foobara into the Gemfile"
+              # :nocov:
+            end
+          end
+
+          def routes_rb_contents
+            File.read(template_path)
+          end
+        end
+      end
+    end
+  end
+end