Sinatra中与动词无关的匹配

Question

我们可以写

get '/foo' do
  ...
end

和

post '/foo' do
  ...
end

这很好.但是我可以在一个路由中组合多个HTTP动词吗？

Answer 1

这可以通过作为sinatra-contrib的一部分的multi-route扩展来实现:

require 'sinatra'
require "sinatra/multi_route"
route :get, :post, '/foo' do
  # "GET" or "POST"
  p request.env["REQUEST_METHOD"]
end

# Or for module-style applications
class MyApp < Sinatra::Base
  register Sinatra::MultiRoute
  route :get, :post, '/foo' do
    # ...
  end
end

但请注意,您可以在没有扩展名的情况下自行完成此操作:

foo = lambda do
  # Your route here
end
get  '/foo', &foo
post '/foo', &foo

或者更优雅地作为元方法:

def self.get_or_post(url,&block)
  get(url,&block)
  post(url,&block)
end

get_or_post '/foo' do
  # ...
end

您可能也对此功能的讨论感兴趣.

Answer 2

FWIW,我只是手动完成,没有辅助方法或扩展:

%i(get post).each do |method|
   send method, '/foo' do 
       ...
   end
 end

虽然如果你做了很多,当然有必要将它抽象出来.

Answer 3

Phrogz有一个很好的答案，但是如果lambda或包含sinatra-contrib都不适合您，则此meta方法将达到与sinatra-contrib相同的结果：

# Provides a way to handle multiple HTTP verbs with a single block
#
# @example
#   route :get, :post, '/something' do
#       # Handle your route here
#   end
def self.route(*methods, path, &block)
    methods.each do |method|
        method.to_sym
        self.send method, path, &block
    end
end

如果您对能够将任意方法发送到有所警惕self，则可以通过在数组中设置允许的方法的白名单，然后检查数组中符号的存在来保护自己。

# Provides a way to handle multiple HTTP verbs with a single block
#
# @example
#   route :get, :post, '/something' do
#       # Handle your route here
#   end
def self.route(*methods, path, &block)
    allowed_methods = [:get, :post, :delete, :patch, :put, :head, :options]
    methods.each do |method|
        method.to_sym
        self.send(method, path, &block) if allowed_methods.include? method
    end
end