Class: Dallal::Events::Observer

Inherits:
Object
  • Object
show all
Defined in:
lib/dallal/events/observer.rb

Constant Summary collapse

NOTIFIABLES = 
[]

Class Method Summary collapse

Class Method Details

.callbacks ⇒ Object 



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# File 'lib/dallal/events/observer.rb', line 14

def self.callbacks
  @__notification_callbacks ||= []
end

.create_notification(id:, event:) ⇒ Object

TODO Rethink this. Currently one worker executes all notifications rethink moving to multiple concrete notifications so we can have one worker per notification.



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# File 'lib/dallal/events/observer.rb', line 26

def self.create_notification(id:, event:)
  # TODO This loops on all callbacks. Rethink this
  # method and implement it differently. Add listeners?
  callbacks.each do |callback|
    next unless callback[:on].include?(event)
    obj = model_class.constantize.find(id)
    notification = Dallal::Notification.new(event: event, model_class: model_class, opts: callback[:opts], _object: obj)
    notification.define_singleton_method(model_class.underscore) do
      obj
    end
    notification.instance_eval(&callback[:block])
    notification.dispatch!
  end
end

.inherited(base) ⇒ Object 



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# File 'lib/dallal/events/observer.rb', line 7

def self.inherited(base)
  model_name = base.name.gsub('Notifier', '')
  validate_model_exists!(model_name)

  NOTIFIABLES << model_name
end

.on(*args, &block) ⇒ Object 



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# File 'lib/dallal/events/observer.rb', line 18

def self.on *args, &block
  opts = args.extract_options!
  callbacks << { on: args, opts: opts, block: block }
end