Class: Flex::InstanceProxy::ModelSyncer

Inherits:
Object
  • Object
show all
Defined in:
lib/flex/instance_proxy/model_syncer.rb

Direct Known Subclasses

ModelIndexer

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(instance) ⇒ ModelSyncer

Returns a new instance of ModelSyncer.



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# File 'lib/flex/instance_proxy/model_syncer.rb', line 7

def initialize(instance)
  @instance   = instance
  @class_flex = instance.class.flex
end

Instance Attribute Details

#class_flex ⇒ Object (readonly)

Returns the value of attribute class_flex.



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# File 'lib/flex/instance_proxy/model_syncer.rb', line 5

def class_flex
  @class_flex
end

#instance ⇒ Object (readonly)

Returns the value of attribute instance.



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# File 'lib/flex/instance_proxy/model_syncer.rb', line 5

def instance
  @instance
end

Instance Method Details

#refresh_index ⇒ Object 



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# File 'lib/flex/instance_proxy/model_syncer.rb', line 44

def refresh_index
  class_flex.refresh_index
end

#sync(*trail) ⇒ Object 



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# File 'lib/flex/instance_proxy/model_syncer.rb', line 12

def sync(*trail)
  return if trail.include?(uid) || class_flex.synced.nil?
  trail << uid
  class_flex.synced.each do |synced|
    case
    # sync self
    when synced == instance.class
      sync_self
    # sync :author, :comments
    # works for all association types, if the instances have a #flex proxy
    when synced.is_a?(Symbol)
      to_sync = instance.send(synced)
      if to_sync.respond_to?(:each)
        to_sync.each { |s| s.flex.sync(*trail) }
      else
        to_sync.flex.sync(*trail)
      end
    # sync 'blog'
    # polymorphic: use this form only if you want to sync any specific parent type but not all
    when synced.is_a?(String)
      next unless synced == parent_instance.flex.type
      parent_instance.flex.sync(*trail)
    else
      raise ArgumentError, "self, string or symbol expected, got #{synced.inspect}"
    end
  end
end

#sync_self ⇒ Object 



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# File 'lib/flex/instance_proxy/model_syncer.rb', line 48

def sync_self
  # nothing to sync, since a ModelSyncer cannot sync itselfs
end

#uid ⇒ Object 



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# File 'lib/flex/instance_proxy/model_syncer.rb', line 40

def uid
  @uid ||= [instance.class, instance.id].join('-')
end