Class: AdminIt::Middleware

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

Overview

AdminIt middleware

Constant Summary collapse

SUBST_REGEXP = 
/<!--\s*(?<name>[a-zA-Z0-9_]+)\s*-->/

Instance Method Summary collapse

Constructor Details

#initialize(app) ⇒ Middleware

Returns a new instance of Middleware.



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# File 'lib/admin_it/middleware.rb', line 38

def initialize(app)
  @app = app
end

Instance Method Details

#call(env) ⇒ Object 



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# File 'lib/admin_it/middleware.rb', line 42

def call(env)
  request = env[Request::ENV_KEY] = Request.new(env)
  status, headers, body = @app.call(env)
  if request.process?
    length = 0
    body.each do |str|
      str.gsub!(SUBST_REGEXP) { |s| request[SUBST_REGEXP.match(s)[1]] }
      length += str.bytesize
    end
    headers['Content-Length'] = length.to_s
  end
  [status, headers, body]
end