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path: root/app/controllers/projects/forks_controller.rb
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class Projects::ForksController < Projects::ApplicationController
  # Authorize
  before_action :require_non_empty_project
  before_action :authorize_download_code!

  def index
    @sort = params[:sort] || 'id_desc'
    @all_forks = project.forks.includes(:creator).order_by(@sort)

    @public_forks, @protected_forks = @all_forks.partition do |project|
      can?(current_user, :read_project, project)
    end
  end

  def new
    @namespaces = current_user.manageable_namespaces
    @namespaces.delete(@project.namespace)
  end

  def create
    namespace = Namespace.find(params[:namespace_key])

    @forked_project = namespace.projects.find_by(path: project.path)
    @forked_project = nil unless @forked_project && @forked_project.forked_from_project == project

    @forked_project ||= ::Projects::ForkService.new(project, current_user, namespace: namespace).execute

    if @forked_project.saved? && @forked_project.forked?
      if @forked_project.import_in_progress?
        redirect_to namespace_project_import_path(@forked_project.namespace, @forked_project, continue: continue_params)
      else
        if continue_params
          redirect_to continue_params[:to], notice: continue_params[:notice]
        else
          redirect_to namespace_project_path(@forked_project.namespace, @forked_project), notice: "The project was successfully forked."
        end
      end
    else
      render :error
    end
  end

  private

  def continue_params
    continue_params = params[:continue]
    if continue_params
      continue_params.permit(:to, :notice, :notice_now)
    else
      nil
    end
  end
end