Class: Plum::StaticCache::Middleware

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

Overview

Serves cached pages before the request reaches Rails and captures renders on the way out. Controllers opt responses in by setting the X-Plum-Static-Cache header to "store" (see PagesController); everything else passes through untouched.

Constant Summary collapse

MARKER = 
StaticCache::MARKER_HEADER.downcase

Instance Method Summary collapse

Constructor Details

#initialize(app) ⇒ Middleware

Returns a new instance of Middleware.



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# File 'lib/plum/static_cache/middleware.rb', line 12

def initialize(app)
  @app = app
end

Instance Method Details

#call(env) ⇒ Object 



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# File 'lib/plum/static_cache/middleware.rb', line 16

def call(env)
  if StaticCache.enabled? && cacheable_request?(env) && (file = StaticCache.read(env["HTTP_HOST"], env["PATH_INFO"]))
    return serve(file, env)
  end

  status, headers, body = @app.call(env)
  maybe_store(env, status, headers, body)
end