Class: Imagery::CachePurge

Inherits:

Object

• Object
• Imagery::CachePurge

show all

Defined in:

lib/imagery/middleware/cache_purge.rb

Constant Summary

Success =

[200, {'Content-Type' => 'text/plain'}, ['OK']]

Instance Method Summary (collapse)

• - (Object) call(env)

  PURGE /s/files/1/0001/4168/files/thumbs/pic_thumb.jpg?12428536032 HTTP/1.0.

• - (CachePurge) initialize(app) constructor

  A new instance of CachePurge.

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# File 'lib/imagery/middleware/cache_purge.rb', line 5

def initialize(app)
  @app = app
end

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# File 'lib/imagery/middleware/cache_purge.rb', line 11

def call(env)
  # Rack cache automatically invalidates resource if the verbs are not GET/POST so
  # we don't actually have to do anything. Simply don't delegate those to the backend
  if env['REQUEST_METHOD'] == 'PURGE'
    Success
  else
    @app.call(env)
  end
end