Module: Graphiti::ActiveGraph::ResourceProxy

Includes:
SideloadResolve
Defined in:
lib/graphiti/active_graph/resource_proxy.rb

Constant Summary

Constants included from SideloadResolve

SideloadResolve::PRELOAD_METHOD_PREFIX

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods included from SideloadResolve

#resolve, #resolve_sideloads

Instance Attribute Details

#preloaded ⇒ Object (readonly)

Returns the value of attribute preloaded.



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# File 'lib/graphiti/active_graph/resource_proxy.rb', line 4

def preloaded
  @preloaded
end

Instance Method Details

#data ⇒ Object 



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# File 'lib/graphiti/active_graph/resource_proxy.rb', line 20

def data
  return @data if @data

  return super unless @preloaded

  resolve_sideloads(@preloaded)
  @single ? data_for_preloaded_record : data_for_preloaded_records
end

#data_for_preloaded_record ⇒ Object 



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# File 'lib/graphiti/active_graph/resource_proxy.rb', line 29

def data_for_preloaded_record
  @preloaded = @preloaded.is_a?(Array) ? @preloaded[0] : @preloaded
  @resource.decorate_record(@preloaded)
  @data = @preloaded
end

#data_for_preloaded_records ⇒ Object 



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# File 'lib/graphiti/active_graph/resource_proxy.rb', line 35

def data_for_preloaded_records
  @preloaded.each do |r|
    @resource.decorate_record(r)
  end
  @data = @preloaded
end

#initialize(resource, scope, query, payload: nil, single: false, raise_on_missing: false, preloaded: false) ⇒ Object 



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# File 'lib/graphiti/active_graph/resource_proxy.rb', line 6

def initialize(resource, scope, query,
  payload: nil,
  single: false,
  raise_on_missing: false,
  preloaded: false)
  @resource = resource
  @scope = scope
  @query = query
  @payload = payload
  @single = single
  @raise_on_missing = raise_on_missing
  @preloaded = preloaded
end

#save(action: :create) ⇒ Object 



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# File 'lib/graphiti/active_graph/resource_proxy.rb', line 54

def save(action: :create)
  # TODO: remove this. Only used for persisting many-to-many with AR
  # (see activerecord adapter)
  original = Graphiti.context[:namespace]
  begin
    Graphiti.context[:namespace] = action
    ::Graphiti::RequestValidator.new(@resource, @payload.params, action).validate!
    validator = persist {
      @resource.persist_with_relationships \
        @payload.meta(action: action),
        @payload.attributes,
        @payload.relationships
    }
  ensure
    Graphiti.context[:namespace] = original
  end
  @data, success = validator.to_a

  if success && !resource.relation_resource?
    # If the context namespace is `update` or `create`, certain
    # adapters will cause N+1 validation calls, so lets explicitly
    # switch to a lookup context.
    Graphiti.with_context(Graphiti.context[:object], :show) do
      @scope.resolve_sideloads([@data])
    end
  end

  success
end

#stats ⇒ Object 



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# File 'lib/graphiti/active_graph/resource_proxy.rb', line 42

def stats
  @stats ||= if @query.stats && !resource.relation_resource?
    payload = ::Graphiti::Stats::Payload.new @resource,
      @query,
      @scope.unpaginated_object,
      data
    payload.generate
  else
    {}
  end
end