Contents

module GraphQL
  module Models
    class PromiseRelationConnection < GraphQL::Relay::RelationConnection
      def edges
        # Can't do any optimization if the request is asking for the last X items, since there's
        # no easy way to turn it into a generalized query.
        return super if last

        relation = sliced_nodes
        limit = [first, last, max_page_size].compact.min
        relation = relation.limit(limit) if first
        request = RelationLoadRequest.new(relation)

        request.load.then do |models|
          models.map { |m| GraphQL::Relay::Edge.new(m, self) }
        end
      end
    end

    GraphQL::Relay::BaseConnection.register_connection_implementation(ActiveRecord::Relation, PromiseRelationConnection)
  end
end

Version data entries

13 entries across 13 versions & 1 rubygems

Version	Path
graphql-activerecord-0.6.0	lib/graphql/models/promise_relation_connection.rb
graphql-activerecord-0.5.6	lib/graphql/models/promise_relation_connection.rb
graphql-activerecord-0.5.5	lib/graphql/models/promise_relation_connection.rb
graphql-activerecord-0.5.4	lib/graphql/models/promise_relation_connection.rb
graphql-activerecord-0.5.3	lib/graphql/models/promise_relation_connection.rb
graphql-activerecord-0.5.2	lib/graphql/models/promise_relation_connection.rb
graphql-activerecord-0.5.1	lib/graphql/models/promise_relation_connection.rb
graphql-activerecord-0.5.0	lib/graphql/models/promise_relation_connection.rb
graphql-activerecord-0.4.3	lib/graphql/models/promise_relation_connection.rb
graphql-activerecord-0.4.2	lib/graphql/models/promise_relation_connection.rb
graphql-activerecord-0.4.1	lib/graphql/models/promise_relation_connection.rb
graphql-activerecord-0.4.0	lib/graphql/models/promise_relation_connection.rb
graphql-activerecord-0.3.1	lib/graphql/models/promise_relation_connection.rb