forgeplus/app/controllers/api/pm/projects_controller.rb

class Api::Pm::ProjectsController < Api::Pm::BaseController

  def convert
    @project = Project.joins(:owner).find params[:project_id]
    data = {
      owner: @project.owner.try(:login),
      identifier: @project.identifier
    }
    render_ok(data: data)
  end
end