Question

在FriendlyID的wiki和railscast之后，如果用户模型的名称发生了变化，我会尝试重写和重定向我的网址。不幸的是没有发生的事情。我已经进行了正确的迁移：

rails generate friendly_id
rails generate migration add_slug_to_artists slug:string:uniq
rake db:migrate

按照指示应用此代码，但无济于事。最初创建模型实例后，url保持不变。

艺术家模型

extend FriendlyId
friendly_id :name, use: [:slugged, :history]

用户控制器

class ArtistssController < ApplicationController
  before_action :set_artist, only: [:show, :edit, :update, :destroy]

  def show
    if request.path != user_path(@artist)
      redirect_to @artist, :status => :moved_permanently
    end
  end

  def update
    if @artist.update_attributes(artist_params)
      flash[:notice] = 'Artist successfully updated'
      redirect_to @artist
    else
      render 'edit'
  end

  private
  # Use callbacks to share common setup or constraints between actions.
    def set_artist
      @artist = Artist.friendly.find(params[:id])
    end

    # Never trust parameters from the scary internet, only allow the white list through.
    def artist_params
      params.require(:artist).permit(:name)
    end
end

Answer 1

虽然它在docs中声明了在您的控制器中为FriendlyID 5更改网址的代码从未真正解释过。我最终必须添加@artist.slug = nil才能生效：

def update
  @artist.slug = nil
  if @artist.update_attributes(artist_params)
    flash[:notice] = 'Artist successfully updated'
    redirect_to @artist
  else
    render 'edit'
  end
end

FriendlyID历史记录不适用于Rails中的更新模型URL

1 个答案: