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# File 'lib/pusherable.rb', line 13
def pusherable(pusherable_channel="test_channel")
raise "Please `gem install pusher` and configure it to run in your app!" if Pusher.app_id.blank? || Pusher.key.blank? || Pusher.secret.blank?
class_attribute :pusherable_channel
class_attribute :pusherable_triggers_active
self.pusherable_channel = pusherable_channel
self.pusherable_triggers_active = true
class << self
def pusherable_triggers?
pusherable_triggers_active
end
def activate_pusherable_triggers
self.pusherable_triggers_active = true
end
def deactivate_pusherable_triggers
self.pusherable_triggers_active = false
end
end
class_eval do
if defined?(Mongoid) && defined?(Mongoid::Document) && include?(Mongoid::Document)
after_create :pusherable_trigger_create, if: :pusherable_triggers_active
after_update :pusherable_trigger_update, if: :pusherable_triggers_active
before_destroy :pusherable_trigger_destroy, if: :pusherable_triggers_active
else
after_commit :pusherable_trigger_create, on: :create, if: :pusherable_triggers_active
after_commit :pusherable_trigger_update, on: :update, if: :pusherable_triggers_active
after_commit :pusherable_trigger_destroy, on: :destroy, if: :pusherable_triggers_active
end
def self.pusherable?
true
end
singleton_class.send(:alias_method, :generated_pusherable_channel, :pusherable_channel)
def self.pusherable_channel(obj=nil)
if generated_pusherable_channel.respond_to? :call
if generated_pusherable_channel.arity > 0
generated_pusherable_channel.call(obj)
else
generated_pusherable_channel.call
end
else
generated_pusherable_channel
end
end
def pusherable_channel
self.class.pusherable_channel(self)
end
[:pusherable_triggers?, :activate_pusherable_triggers, :deactivate_pusherable_triggers].each do |method|
define_method method do
self.class.send method
end
end
private
def pusherable_class_name
self.class.name.underscore
end
def pusherable_trigger_create
Pusher.trigger(pusherable_channel, "#{pusherable_class_name}.create", to_json)
end
def pusherable_trigger_update
Pusher.trigger(pusherable_channel, "#{pusherable_class_name}.update", to_json)
end
def pusherable_trigger_destroy
Pusher.trigger(pusherable_channel, "#{pusherable_class_name}.destroy", to_json)
end
end
end
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