Class: CachedRoutes::Marshaller

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

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Marshaller

Returns a new instance of Marshaller.



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# File 'lib/cached_routes/marshaller.rb', line 6

def initialize
  if caller_line = caller.detect { |li| !(li =~ /cached_routes/i) }
    @routes_file = caller_line.sub /:.*/, ''
    @cached_file = caller_line.sub /\.rb:.*/, '.cached'
  else
    warn "Can not determine caller routes file.  Skipping route caching."
  end
end

Instance Attribute Details

#cached_file ⇒ Object (readonly)

Returns the value of attribute cached_file.



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# File 'lib/cached_routes/marshaller.rb', line 4

def cached_file
  @cached_file
end

#routes_file ⇒ Object (readonly)

Returns the value of attribute routes_file.



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# File 'lib/cached_routes/marshaller.rb', line 4

def routes_file
  @routes_file
end

Instance Method Details

#can_unmarshal_routes? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/cached_routes/marshaller.rb', line 15

def can_unmarshal_routes?
  routes_file &&
  cached_file &&
  File.exist?(routes_file) &&
  File.exist?(cached_file) &&
  File.mtime(cached_file) >= File.mtime(routes_file)
end

#marshal_routes(new_routes) ⇒ Object 



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# File 'lib/cached_routes/marshaller.rb', line 23

def marshal_routes(new_routes)
  new_routes.map! do |route|
    if ActionDispatch::Routing::Redirect === route.app
      route = route.clone
      route.instance_variable_set :@app, CachedRedirect.new(route.app)
    end
    route
  end
  File.open(cached_file, 'wb') do |io|
    Marshal.dump(new_routes, io)
  end
  nil
end

#unmarshal_routes(routes) ⇒ Object 



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# File 'lib/cached_routes/marshaller.rb', line 37

def unmarshal_routes(routes)
  File.open(cached_file, 'rb') do |io|
    Marshal.load(io).each do |route|
      if CachedRedirect === route.app
        route.instance_variable_set :@app, route.app.to_action_dispatch_redirect
      end
      routes << route
    end
  end
end