#35 setup smtp, setup open_letter

lib/cybele/app_builder.rb

@@ -105,8 +105,67 @@ def convert_application_css_to_sass
       copy_file 'app/assets/stylesheets/application.css.sass', 'app/assets/stylesheets/application.css.sass'
     end
 
+    # Interval: Configure smtp
+    def configure_smtp
+      copy_file 'config/initializers/mail.rb', 'config/initializers/mail.rb'
+
+      prepend_file 'config/environments/production.rb',
+                   "require Rails.root.join('config/initializers/mail')\n"
+
+      config = <<-RUBY
+
+
+  # Mail Settings
+  config.action_mailer.delivery_method = :smtp
+  config.action_mailer.smtp_settings = MAIL_SETTING
+      RUBY
+
+      inject_into_file 'config/environments/production.rb', config,
+                       :after => 'config.action_mailer.raise_delivery_errors = false'
+    end
+
+    # Interval: Configure action mailer
+    def configure_action_mailer
+      action_mailer_host 'development', "#{app_name}.dev"
+      action_mailer_host 'test', 'www.example.com'
+      action_mailer_host 'production', "#{app_name}.com"
+    end
+
+    # Interval: Setup letter opener
+    def  setup_letter_opener
+      config = 'config.action_mailer.delivery_method = :letter_opener'
+      configure_environment 'development', config
+    end
+
     # Internal: Leftovers
     def leftovers
     end
+
+    private
+
+    # Internal: Set action mailer hostname
+    #
+    # rail_env  - rails env like development, text, production
+    # host      - domain.dev, domain.com or example.com
+    #
+    # Returns nothing
+    def action_mailer_host(rails_env, host)
+      config = "config.action_mailer.default_url_options = { host: '#{host}' }"
+      configure_environment(rails_env, config)
+    end
+
+    # Internal: Set configure environment
+    #
+    # rail_env  - rails env like development, text, production
+    # config    - config string which will add to rails_env file
+    #
+    # Return nothing
+    def configure_environment(rails_env, config)
+      inject_into_file(
+          "config/environments/#{rails_env}.rb",
+          "\n\n  #{config}",
+          before: "\nend"
+      )
+    end
   end
 end

lib/cybele/generators/app_generator.rb

@@ -31,6 +31,7 @@ def customization
       invoke :install_gems
       invoke :gitignore_files_and_folders
       invoke :setup_bootstrap_sass_coffee
+      invoke :configure_mail_setting
     end
 
     # Internal: Customize gemfile
@@ -86,6 +87,13 @@ def setup_bootstrap_sass_coffee
       build :convert_application_css_to_sass
     end
 
+    # Internal: Setup mail setting
+    def configure_mail_setting
+      build :configure_mail_setting
+      build :configure_action_mailer
+      build :setup_letter_opener
+    end
+
 
     # Internal: Let's not: We'll bundle manually at the right spot.
     def run_bundle

templates/config/initializers/mail.rb

@@ -0,0 +1,13 @@
+if Rails.env.production?
+  MAIL_SETTING = {
+      address:              ENV['MAIL_ADDRESS'],  # example 'smtp.mandrillapp.com'
+      port:                 '587',
+      enable_starttls_auto: true,
+      domain:               ENV['MAIL_DOMAIN'],   # example 'domain.com'
+      user_name:            ENV['MAIL_USERNAME'], # example '[email protected]'
+      password:             ENV['MAIL_PASSWORD'],
+      authentication:       'plain'
+  }
+end
+
+

templates/cybele_Gemfile

@@ -14,4 +14,6 @@ gem 'responders'
 
 group :doc do
   gem 'sdoc', require: false
-end
+end
+
+gem 'letter_opener', :group => :development