hometown/app/serializers/activitypub/collection_serializer.rb

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# frozen_string_literal: true
class ActivityPub::CollectionSerializer < ActivityPub::Serializer
class StringSerializer < ActiveModel::Serializer
# Despite the name, it does not return a hash, but the same can be said of
# the ActiveModel::Serializer::CollectionSerializer class which handles
# arrays.
def serializable_hash(*_args)
object
end
end
def self.serializer_for(model, options)
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case model.class.name
when 'Status'
ActivityPub::NoteSerializer
when 'Device'
ActivityPub::DeviceSerializer
when 'ActivityPub::CollectionPresenter'
ActivityPub::CollectionSerializer
when 'String'
StringSerializer
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else
super
end
end
attribute :id, if: -> { object.id.present? }
attribute :type
attribute :total_items, if: -> { object.size.present? }
attribute :next, if: -> { object.next.present? }
attribute :prev, if: -> { object.prev.present? }
attribute :part_of, if: -> { object.part_of.present? }
has_one :first, if: -> { object.first.present? }
has_one :last, if: -> { object.last.present? }
has_many :items, key: :items, if: -> { (!object.items.nil? || page?) && !ordered? }
has_many :items, key: :ordered_items, if: -> { (!object.items.nil? || page?) && ordered? }
def type
if page?
ordered? ? 'OrderedCollectionPage' : 'CollectionPage'
else
ordered? ? 'OrderedCollection' : 'Collection'
end
end
def total_items
object.size
end
private
def ordered?
object.type == :ordered
end
def page?
object.part_of.present? || object.page.present?
end
end