Module: DeepUnrest::Concerns::MapTempIds

Extended by:
ActiveSupport::Concern
Defined in:
lib/deep_unrest/concerns/map_temp_ids.rb

Instance Method Summary collapse

Instance Method Details

#attribute_diff ⇒ Object 



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# File 'lib/deep_unrest/concerns/map_temp_ids.rb', line 59

def attribute_diff
  saved_changes.each_with_object({}) do |(attr_name, (_old, val)), diff|
    diff[attr_name] = val
  end
end

#map_temp_id ⇒ Object 



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# File 'lib/deep_unrest/concerns/map_temp_ids.rb', line 21

def map_temp_id
  temp_id_map = DeepUnrest::ApplicationController.class_variable_get(
    '@@temp_ids'
  )
  return unless temp_id_map && @deep_unrest_temp_id
  temp_id_map[@deep_unrest_context][@deep_unrest_temp_id] = pk
end

#pk ⇒ Object 



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# File 'lib/deep_unrest/concerns/map_temp_ids.rb', line 17

def pk
  send self.class.primary_key
end

#track_changes ⇒ Object

the client needs to know which items were charged so it can keep its local sync in store with the db



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# File 'lib/deep_unrest/concerns/map_temp_ids.rb', line 46

def track_changes
  changed = DeepUnrest::ApplicationController.class_variable_get(
    '@@changed_entities'
  )
  return unless changed && saved_changes?
  changed << {
    klass: self.class,
    id: pk,
    attributes: attribute_diff,
    query_uuid: @deep_unrest_query_uuid
  }
end

#track_destruction ⇒ Object

the client needs to know which items were destroyed so it can clean up the dead entities from its local store



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# File 'lib/deep_unrest/concerns/map_temp_ids.rb', line 31

def track_destruction
  destroyed = DeepUnrest::ApplicationController.class_variable_get(
    '@@destroyed_entities'
  )
  return unless destroyed
  destroyed << {
    type: self.class.to_s.pluralize.camelize(:lower),
    id: pk,
    destroyed: true,
    query_uuid: @deep_unrest_query_uuid
  }
end