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# frozen_string_literal: true
module Resolvers
module Ci
class RunnerOwnerProjectResolver < BaseResolver
include LooksAhead
type Types::ProjectType, null: true
alias_method :runner, :object
def resolve_with_lookahead(**args)
resolve_owner
end
def preloads
{
full_path: [:route]
}
end
def filtered_preloads
selection = lookahead
preloads.each.flat_map do |name, requirements|
selection&.selects?(name) ? requirements : []
end
end
private
def resolve_owner
return unless runner.project_type?
BatchLoader::GraphQL.for(runner.id).batch(key: :runner_owner_projects) do |runner_ids, loader|
# rubocop: disable CodeReuse/ActiveRecord
runner_and_projects_with_row_number =
::Ci::RunnerProject
.where(runner_id: runner_ids)
.select('id, runner_id, project_id, ROW_NUMBER() OVER (PARTITION BY runner_id ORDER BY id ASC)')
runner_and_owner_projects =
::Ci::RunnerProject
.select(:id, :runner_id, :project_id)
.from("(#{runner_and_projects_with_row_number.to_sql}) temp WHERE row_number = 1")
owner_project_id_by_runner_id =
runner_and_owner_projects
.group_by(&:runner_id)
.transform_values { |runner_projects| runner_projects.first.project_id }
project_ids = owner_project_id_by_runner_id.values.uniq
all_preloads = unconditional_includes + filtered_preloads
owner_relation = Project.all
owner_relation = owner_relation.preload(*all_preloads) if all_preloads.any?
projects = owner_relation.where(id: project_ids).index_by(&:id)
runner_ids.each do |runner_id|
owner_project_id = owner_project_id_by_runner_id[runner_id]
loader.call(runner_id, projects[owner_project_id])
end
# rubocop: enable CodeReuse/ActiveRecord
end
end
end
end
end
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