mastodon-glitch/app/lib/activitypub/adapter.rb

68 lines
2.8 KiB
Ruby
Raw Normal View History

# frozen_string_literal: true
class ActivityPub::Adapter < ActiveModelSerializers::Adapter::Base
NAMED_CONTEXT_MAP = {
activitystreams: 'https://www.w3.org/ns/activitystreams',
security: 'https://w3id.org/security/v1',
}.freeze
CONTEXT_EXTENSION_MAP = {
manually_approves_followers: { 'manuallyApprovesFollowers' => 'as:manuallyApprovesFollowers' },
sensitive: { 'sensitive' => 'as:sensitive' },
hashtag: { 'Hashtag' => 'as:Hashtag' },
moved_to: { 'movedTo' => { '@id' => 'as:movedTo', '@type' => '@id' } },
also_known_as: { 'alsoKnownAs' => { '@id' => 'as:alsoKnownAs', '@type' => '@id' } },
emoji: { 'toot' => 'http://joinmastodon.org/ns#', 'Emoji' => 'toot:Emoji' },
featured: { 'toot' => 'http://joinmastodon.org/ns#', 'featured' => { '@id' => 'toot:featured', '@type' => '@id' } },
property_value: { 'schema' => 'http://schema.org#', 'PropertyValue' => 'schema:PropertyValue', 'value' => 'schema:value' },
atom_uri: { 'ostatus' => 'http://ostatus.org#', 'atomUri' => 'ostatus:atomUri' },
conversation: { 'ostatus' => 'http://ostatus.org#', 'inReplyToAtomUri' => 'ostatus:inReplyToAtomUri', 'conversation' => 'ostatus:conversation' },
focal_point: { 'toot' => 'http://joinmastodon.org/ns#', 'focalPoint' => { '@container' => '@list', '@id' => 'toot:focalPoint' } },
identity_proof: { 'toot' => 'http://joinmastodon.org/ns#', 'IdentityProof' => 'toot:IdentityProof' },
blurhash: { 'toot' => 'http://joinmastodon.org/ns#', 'blurhash' => 'toot:blurhash' },
}.freeze
def self.default_key_transform
:camel_lower
end
def self.transform_key_casing!(value, _options)
ActivityPub::CaseTransform.camel_lower(value)
end
def serializable_hash(options = nil)
options = serialization_options(options)
serialized_hash = serializer.serializable_hash(options)
serialized_hash = serialized_hash.select { |k, _| options[:fields].include?(k) } if options[:fields]
serialized_hash = self.class.transform_key_casing!(serialized_hash, instance_options)
{ '@context' => serialized_context }.merge(serialized_hash)
end
private
def serialized_context
context_array = []
serializer_options = serializer.send(:instance_options) || {}
named_contexts = [:activitystreams] + serializer._named_contexts.keys + serializer_options.fetch(:named_contexts, {}).keys
context_extensions = serializer._context_extensions.keys + serializer_options.fetch(:context_extensions, {}).keys
named_contexts.each do |key|
context_array << NAMED_CONTEXT_MAP[key]
end
extensions = context_extensions.each_with_object({}) do |key, h|
h.merge!(CONTEXT_EXTENSION_MAP[key])
end
context_array << extensions unless extensions.empty?
if context_array.size == 1
context_array.first
else
context_array
end
end
end