Class: CycloneLariat::Presenters::Graph

Inherits:
Object
  • Object
show all
Defined in:
lib/cyclone_lariat/presenters/graph.rb

Constant Summary collapse

HEADS = 
%w[topic endpoint subscription_arn].freeze

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.call(subscriptions) ⇒ Object 



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# File 'lib/cyclone_lariat/presenters/graph.rb', line 9

def self.call(subscriptions)
  new.call(subscriptions)
end

Instance Method Details

#call(subscriptions) ⇒ Object 



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# File 'lib/cyclone_lariat/presenters/graph.rb', line 13

def call(subscriptions)
  return '' if subscriptions.empty?

  resources_set = Set.new

  subscriptions.each do |subscription|
    resources_set << subscription[:topic]
    resources_set << subscription[:endpoint]
  end

  [].tap do |output|
    output << open_graph

    resources_set.each { |resource| output << present_resource(resource) }
    subscriptions.each { |subscription| output << present_subscription(subscription) }

    output << close_graph
  end
end