Class: GraphitiGql::Loaders::HasMany

Inherits:
Many
  • Object
show all
Defined in:
lib/graphiti_gql/loaders/has_many.rb

Instance Method Summary collapse

Methods inherited from Many

factory, #initialize, #perform

Constructor Details

This class inherits a constructor from GraphitiGql::Loaders::Many

Instance Method Details

#assign(parent_records, proxy) ⇒ Object 



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# File 'lib/graphiti_gql/loaders/has_many.rb', line 4

def assign(parent_records, proxy)
  records = proxy.data

  foreign_key = @sideload.foreign_key
  config = @sideload.resource.attributes[foreign_key]
  if config && config[:alias]
    foreign_key = config[:alias]
  end

  map = records.group_by { |record| record.send(foreign_key) }
  parent_records.each do |pr|
    data = [map[pr.send(@sideload.primary_key)] || [], proxy]
    fulfill(pr, data)
  end
end