Class: Routemaster::Middleware::Dirty

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

Overview

If an event payload was place in the environment (env['routemaster.payload']) by a previous middleware, mark each corresponding entity as dirty.

All events are passed through.

The dirty map is passed as :map to the constructor and must respond to #mark (like Routemaster::Dirty::Map).

Instance Method Summary collapse

Constructor Details

#initialize(app, options = {}) ⇒ Dirty

Returns a new instance of Dirty.



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# File 'lib/routemaster/middleware/dirty.rb', line 14

def initialize(app, options = {})
  @app = app
  @map = options.fetch(:dirty_map) { Routemaster::Dirty::Map.new }
end

Instance Method Details

#call(env) ⇒ Object 



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# File 'lib/routemaster/middleware/dirty.rb', line 19

def call(env)
  env['routemaster.dirty'] = dirty = []

  env.fetch('routemaster.payload', []).each do |event|
    next if event['type'] == 'noop'
    next unless @map.mark(event['url'])
    dirty << event['url']
  end
  @app.call(env)
end