Class: Flipper::UI::Middleware

Inherits:
Object
  • Object
show all
Defined in:
lib/flipper/ui/middleware.rb

Instance Method Summary collapse

Constructor Details

#initialize(app, flipper_or_block) ⇒ Middleware

Public: Initializes an instance of the UI middleware.

app - The app this middleware is included in. flipper_or_block - The Flipper::DSL instance or a block that yields a

Flipper::DSL instance to use for all operations.

Examples

flipper = Flipper.new(...)

# using with a normal flipper instance
use Flipper::UI::Middleware, flipper

# using with a block that yields a flipper instance
use Flipper::UI::Middleware, lambda { Flipper.new(...) }



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# File 'lib/flipper/ui/middleware.rb', line 28

def initialize(app, flipper_or_block)
  @app = app

  if flipper_or_block.respond_to?(:call)
    @flipper_block = flipper_or_block
  else
    @flipper = flipper_or_block
  end

  @action_collection = ActionCollection.new

  # UI
  @action_collection.add UI::Actions::Features
  @action_collection.add UI::Actions::AddFeature
  @action_collection.add UI::Actions::Feature
  @action_collection.add UI::Actions::ActorsGate
  @action_collection.add UI::Actions::GroupsGate
  @action_collection.add UI::Actions::BooleanGate
  @action_collection.add UI::Actions::PercentageOfTimeGate
  @action_collection.add UI::Actions::PercentageOfActorsGate
  @action_collection.add UI::Actions::Gate

  # Static Assets/Files
  @action_collection.add UI::Actions::File

  # Catch all redirect to features
  @action_collection.add UI::Actions::Home
end

Instance Method Details

#call(env) ⇒ Object 



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# File 'lib/flipper/ui/middleware.rb', line 61

def call(env)
  dup.call!(env)
end

#call!(env) ⇒ Object 



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# File 'lib/flipper/ui/middleware.rb', line 65

def call!(env)
  request = Rack::Request.new(env)
  action_class = @action_collection.action_for_request(request)

  if action_class.nil?
    @app.call(env)
  else
    action_class.run(flipper, request)
  end
end

#flipper ⇒ Object 



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# File 'lib/flipper/ui/middleware.rb', line 57

def flipper
  @flipper ||= @flipper_block.call
end