catstodon/app/lib/status_cache_hydrator.rb

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# frozen_string_literal: true
class StatusCacheHydrator
def initialize(status)
@status = status
end
def hydrate(account_id)
# The cache of the serialized hash is generated by the fan-out-on-write service
payload = Rails.cache.fetch("fan-out/#{@status.id}") { InlineRenderer.render(@status, nil, :status) }
# If we're delivering to the author who disabled the display of the application used to create the
# status, we need to hydrate the application, since it was not rendered for the basic payload
payload[:application] = @status.application.present? ? ActiveModelSerializers::SerializableResource.new(@status.application, serializer: REST::StatusSerializer::ApplicationSerializer).as_json : nil if payload[:application].nil? && @status.account_id == account_id
# We take advantage of the fact that some relationships can only occur with an original status, not
# the reblog that wraps it, so we can assume that some values are always false
if payload[:reblog]
payload[:muted] = false
payload[:bookmarked] = false
payload[:pinned] = false if @status.account_id == account_id
payload[:filtered] = CustomFilter.apply_cached_filters(CustomFilter.cached_filters_for(account_id), @status.reblog).map { |filter| ActiveModelSerializers::SerializableResource.new(filter, serializer: REST::FilterResultSerializer).as_json }
# If the reblogged status is being delivered to the author who disabled the display of the application
# used to create the status, we need to hydrate it here too
payload[:reblog][:application] = @status.reblog.application.present? ? ActiveModelSerializers::SerializableResource.new(@status.reblog.application, serializer: REST::StatusSerializer::ApplicationSerializer).as_json : nil if payload[:reblog][:application].nil? && @status.reblog.account_id == account_id
payload[:reblog][:favourited] = Favourite.where(account_id: account_id, status_id: @status.reblog_of_id).exists?
payload[:reblog][:reblogged] = Status.where(account_id: account_id, reblog_of_id: @status.reblog_of_id).exists?
payload[:reblog][:muted] = ConversationMute.where(account_id: account_id, conversation_id: @status.reblog.conversation_id).exists?
payload[:reblog][:bookmarked] = Bookmark.where(account_id: account_id, status_id: @status.reblog_of_id).exists?
payload[:reblog][:pinned] = StatusPin.where(account_id: account_id, status_id: @status.reblog_of_id).exists? if @status.reblog.account_id == account_id
payload[:reblog][:filtered] = payload[:filtered]
if payload[:reblog][:poll]
if @status.reblog.account_id == account_id
payload[:reblog][:poll][:voted] = true
payload[:reblog][:poll][:own_votes] = []
else
own_votes = PollVote.where(poll_id: @status.reblog.poll_id, account_id: account_id).pluck(:choice)
payload[:reblog][:poll][:voted] = !own_votes.empty?
payload[:reblog][:poll][:own_votes] = own_votes
end
end
payload[:favourited] = payload[:reblog][:favourited]
payload[:reblogged] = payload[:reblog][:reblogged]
else
payload[:favourited] = Favourite.where(account_id: account_id, status_id: @status.id).exists?
payload[:reblogged] = Status.where(account_id: account_id, reblog_of_id: @status.id).exists?
payload[:muted] = ConversationMute.where(account_id: account_id, conversation_id: @status.conversation_id).exists?
payload[:bookmarked] = Bookmark.where(account_id: account_id, status_id: @status.id).exists?
payload[:pinned] = StatusPin.where(account_id: account_id, status_id: @status.id).exists? if @status.account_id == account_id
payload[:filtered] = CustomFilter.apply_cached_filters(CustomFilter.cached_filters_for(account_id), @status).map { |filter| ActiveModelSerializers::SerializableResource.new(filter, serializer: REST::FilterResultSerializer).as_json }
if payload[:poll]
payload[:poll][:voted] = @status.account_id == account_id
payload[:poll][:own_votes] = []
end
end
payload
end
end