Class: Ditty::Middleware::AcceptExtension

Inherits:
Object
  • Object
show all
Defined in:
lib/ditty/middleware/accept_extension.rb

Overview

Allow requests to be responded to in JSON if the URL has .json at the end. The regex and the content_type can be customized to allow for other formats. Some inspiration from gist.github.com/tstachl/6264249

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(app, regex = %r{\A(.*)\.json(/?)\Z}, content_type = 'application/json') ⇒ AcceptExtension

Returns a new instance of AcceptExtension.



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# File 'lib/ditty/middleware/accept_extension.rb', line 11

def initialize(app, regex = %r{\A(.*)\.json(/?)\Z}, content_type = 'application/json')
  # @mutex = Mutex.new
  @app = app
  @regex = regex
  @content_type = content_type
end

Instance Attribute Details

#content_type ⇒ Object (readonly)

Returns the value of attribute content_type.



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# File 'lib/ditty/middleware/accept_extension.rb', line 9

def content_type
  @content_type
end

#env ⇒ Object (readonly)

Returns the value of attribute env.



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# File 'lib/ditty/middleware/accept_extension.rb', line 9

def env
  @env
end

#regex ⇒ Object (readonly)

Returns the value of attribute regex.



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# File 'lib/ditty/middleware/accept_extension.rb', line 9

def regex
  @regex
end

Instance Method Details

#call(env) ⇒ Object 



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# File 'lib/ditty/middleware/accept_extension.rb', line 18

def call(env)
  @env = env

  request = Rack::Request.new(env)
  if request.path&.match?(regex)
    request.path_info = request.path_info.gsub(regex, '\1\2')
    env = request.env
    env['ACCEPT'] = content_type
    env['CONTENT_TYPE'] = content_type
  end

  @app.call env
end