Class: RestCache::Middleware

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

Constant Summary collapse

EXPIRATION_SECONDS_DEFAULT = 
300
GLOBAL_CACHING_DEFAULT = 
true
@@cache = 
{}

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(app, options) ⇒ Middleware

Returns a new instance of Middleware.



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# File 'lib/rest_cache.rb', line 12

def initialize(app, options)

	# assign defaults to potentially missing options
  options[:expiration_seconds] ||= EXPIRATION_SECONDS_DEFAULT
  options[:global] &&= GLOBAL_CACHING_DEFAULT

  @app = app
  @options = options
end

Class Method Details

.expire(path = nil) ⇒ Object 



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# File 'lib/rest_cache.rb', line 46

def self.expire(path=nil)
  if path
    purge_path path
  else
    purge_all
  end
end

Instance Method Details

#call(env) ⇒ Object 



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# File 'lib/rest_cache.rb', line 22

def call(env)
	
 	@request = Rack::Request.new(env)

  if @request.get?
    get(env)
  else
    # expire all cached items for this request
    expire(@request.fullpath.gsub(/\.(.*)$/, '')) # strip the format, if present
	
    # pass along the call
    @app.call(env)
  end
	
end

#expire(path = nil) ⇒ Object 



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# File 'lib/rest_cache.rb', line 38

def expire(path=nil)
  if path
    purge_path path
  else
    purge_all
  end
end