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Contents
module RailsEmailPreview
module Generators
class UpdatePreviewsGenerator < Rails::Generators::Base
desc "creates app/mailer_previews/NEW_MAILER_preview.rb for each new mailer"
def generate_mailer_previews
previews_dir = 'app/mailer_previews/'
empty_directory previews_dir
Dir['app/mailers/*.rb'].each do |p|
basename = File.basename(p, '.rb')
if basename == 'application_mailer' || File.read(p) !~ /\bdef\s/
shell.say_status :skip, basename, :blue
next
end
preview_path = File.join(previews_dir, "#{basename}_preview.rb")
if File.exists?(preview_path)
shell.say_status :exist, preview_path, :blue
next
end
create_file preview_path, mailer_class_body(basename.camelize)
end
end
private
def mailer_class_body(mailer_class_name)
<<-RUBY
class #{mailer_class_name}Preview
#{(mailer_methods(mailer_class_name) * "\n\n").chomp}
end
RUBY
end
def mailer_methods(mailer_class_name)
mailer_class = mailer_class_name.constantize
::RailsEmailPreview::Preview.mail_methods(mailer_class).map do |m|
<<-RUBY
def #{m}
#{mailer_class_name}.#{m.to_s} #{mailer_class.instance_method(m).parameters.map(&:second) * ', '}
end
RUBY
end
end
end
end
end
Version data entries
28 entries across 28 versions & 1 rubygems