forgeplus/app/controllers/forks_controller.rb

class ForksController < ApplicationController
  before_action :require_login
  before_action :require_profile_completed, only: [:create]
  before_action :load_project
  before_action :authenticate_user!
  before_action :authenticate_project!, only: [:create]

  def fork_list
    @user = current_user 
    @organizations = current_user.organizations
    
  end

  def create
    target_owner = if params[:organization].present? &&  @organization 
      @organization
    else
      current_user
    end
    @new_project = Projects::ForkService.new(target_owner, @project, params[:organization], params[:new_name], params[:new_identifier]).call
    if @new_project == false
      render_result(-1, "已fork过一次该项目，无法再次进行fork")
    end
  end

  private
  def authenticate_project!
    if  params[:organization].present? 
      return render_forbidden('参数错误，当organization存在时不允许fork重命名') if params[:new_identifier].present? || params[:new_name].present? 
      @organization = Organization.find_by(login:params[:organization])
      return render_forbidden('仓库不存在') unless @organization.present?
      return render_forbidden('你没有权限操作') unless @organization.is_admin?(current_user.id)
    end
    
    if  params[:organization].blank? && Project.exists?(user_id: current_user.id, identifier: (params[:new_identifier] || @project.identifier))
      render_result(-1, "fork失败，您已拥有了这个项目")
    elsif @organization && Project.exists?(user_id: [@organization.id], identifier: (params[:new_identifier] || @project.identifier))
      render_result(-1, "fork失败，组织已拥有了这个项目")
    elsif gitea_check_exit(current_user)
      render_result(-1, "fork失败，请联系系统管理员")
    elsif @organization && gitea_check_exit(@organization)
      render_result(-1, "fork失败，请联系系统管理员")
    end
    # return if current_user != @project.owner
    # render_result(-1, "自己不能fork自己的项目")
  end

  def authenticate_user!
    return if @project.is_public
    return if @project.member?(current_user) || current_user.admin?
    render_forbidden('你没有权限操作')
  end

  def gitea_check_exit(user)
    data = Gitea::Repository::GetService.new(user, params[:new_identifier]|| @project.identifier).call
    data.present?
  end
end