将 rails 2 发电机转换为 rails 3 有多难?我一直在寻找有用的插件,但后来发现生成器仅适用于 rails 2。我意识到其中一些只是为了方便,但如果将生成器迁移到 rails 3 就像在生成器代码中调整几行一样简单,我会只需要做到这一点(并将工作提交给 github 供未来的用户使用)。
这是我一直在考虑使用的一个这样的生成器,例如(来自反馈)
require File.expand_path(File.dirname(__FILE__) + "/lib/insert_routes.rb")
class FeedbackFormGenerator < Rails::Generator::Base
attr_accessor :name,
:model_class_name,
:controller_class_name,
:helper_class_name,
:mailer_class_name
def initialize(runtime_args, runtime_options = {})
super
@name = (runtime_args[0] || "feedback").downcase
@model_class_name = name.classify
@mailer_class_name = "#{@model_class_name}Mailer"
@controller_class_name = "#{@model_class_name.pluralize}Controller"
@helper_class_name = "#{@model_class_name.pluralize}Helper"
#@js_framework = (runtime_options[''])
end
def manifest
record do |m|
puts "hello"
add_model(m)
add_mailer(m)
add_controller(m)
add_helper(m)
add_views(m)
add_routes(m)
add_unit_test(m)
add_functional_test(m)
add_stylesheet(m)
add_javascript(m)
add_images(m)
end
end
def add_stylesheet(m)
m.directory 'public/stylesheets'
m.file 'feedback.css', 'public/stylesheets/feedback.css'
end
def add_javascript(m)
m.directory 'public/javascripts'
file_name = options[:jquery] ? 'jquery.feedback.js' : 'prototype.feedback.js'
m.file file_name, "public/javascripts/#{file_name}"
end
def add_images(m)
m.directory 'public/images/feedback'
m.file "images/feedback_tab.png", "public/images/feedback/feedback_tab.png"
m.file "images/feedback_tab_h.png", "public/images/feedback/feedback_tab_h.png"
m.file "images/closelabel.gif", "public/images/feedback/closelabel.gif"
m.file "images/loading.gif", "public/images/feedback/loading.gif"
end
def add_model(m)
m.template 'feedback_model.rb.erb', "app/models/#{name}.rb"
end
def add_mailer(m)
m.template 'feedback_mailer.rb.erb', "app/models/#{name}_mailer.rb"
m.directory "app/views/#{name}_mailer"
m.file 'views/feedback_mailer/feedback.html.erb', "app/views/#{name}_mailer/feedback.html.erb"
end
def add_controller(m)
m.template 'feedbacks_controller.rb.erb', "app/controllers/#{name.pluralize}_controller.rb"
end
def add_helper(m)
template_name = options[:jquery] ? 'feedbacks_helper.rb.jquery.erb' : 'feedbacks_helper.rb.prototype.erb'
m.template template_name, "app/helpers/#{name.pluralize}_helper.rb"
end
def add_views(m)
m.directory "app/views/#{name.pluralize}"
m.file 'views/feedbacks/new.html.erb', "app/views/#{name.pluralize}/new.html.erb"
end
def add_routes(m)
m.route_name "new_feedback", "feedbacks/new", {:controller => name.pluralize, :action => "new"}
m.route_name "feedback", "feedbacks", {:controller => name.pluralize, :action => "create"}
end
def add_unit_test(m)
m.template 'feedback_test.rb.erb', "test/unit/#{name}_test.rb"
m.template 'feedback_mailer_test.rb.erb', "test/unit/#{name}_mailer_test.rb"
end
def add_functional_test(m)
m.template 'feedbacks_controller_test.rb.erb', "test/functional/#{name.pluralize}_controller_test.rb"
end
protected
def add_options!(opt)
opt.separator ''
opt.separator 'Options:'
opt.on("--jquery",
"Use jquery Javascript framework, default is Prototyp") { |v| options[:jquery] = true }
end
end