Class: Slack::Notifier::PayloadMiddleware::Stack

Inherits:
Object
  • Object
show all
Defined in:
lib/slack-notifier/payload_middleware/stack.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(notifier) ⇒ Stack

Returns a new instance of Stack.



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# File 'lib/slack-notifier/payload_middleware/stack.rb', line 10

def initialize notifier
  @notifier = notifier
  @stack    = []
end

Instance Attribute Details

#notifier ⇒ Object (readonly)

Returns the value of attribute notifier.



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# File 'lib/slack-notifier/payload_middleware/stack.rb', line 7

def notifier
  @notifier
end

#stack ⇒ Object (readonly)

Returns the value of attribute stack.



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# File 'lib/slack-notifier/payload_middleware/stack.rb', line 7

def stack
  @stack
end

Instance Method Details

#call(payload = {}) ⇒ Object 



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# File 'lib/slack-notifier/payload_middleware/stack.rb', line 28

def call payload={}
  result = stack.inject payload do |pld, middleware|
    as_array(pld).flat_map do |p|
      middleware.call(p)
    end
  end

  as_array(result)
end

#set(*middlewares) ⇒ Object 



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# File 'lib/slack-notifier/payload_middleware/stack.rb', line 15

def set *middlewares
  middlewares =
    if middlewares.length == 1 && middlewares.first.is_a?(Hash)
      middlewares.first
    else
      middlewares.flatten
    end

  @stack = middlewares.map do |key, opts|
    PayloadMiddleware.registry.fetch(key).new(*[notifier, opts].compact)
  end
end