Question

名称
度量
DATE_VALUE
result_value

加载索引页时，上述属性均未显示。

我知道它是因为这一行：＆lt;％if averaged.user == current_user％＆gt;

更具体地说，因为date_value和result_value的嵌套属性（因为如果我取出那些名称和指标将显示的嵌套属性）

我需要添加到控制器中以允许嵌套属性显示在索引页面上，实际上是所有属性？

提前感谢您的服务！

＆＃13;

<div id="values" class="panel panel-default">
  
  <div class="panel-heading"><h4><b>AVERAGE</b></h4></div>

  <!-- Table -->
<table>
  <% @averaged_quantifieds.each do |averaged| %>
    <% if averaged.user == current_user %>
        <th class="value">
          <%= link_to edit_quantified_path(averaged) do %>
          <%= averaged.name %>
          <% end %>
          (<%= averaged.metric %>)
        </th>
      <tbody class="value"> 
          <td><%= averaged.date_value.strftime("%m-%Y") %></td>
          <td><%= averaged.result_value %></td>
      </tbody>
    <% end %>
  <% end %>
</table>
</div>

＆＃13;

控制器

＆＃13;

class QuantifiedsController < ApplicationController
  before_action :set_quantified, only: [:show, :edit, :update, :destroy]
  before_action :authenticate_user!, except: [:index, :show]

  def index
   @averaged_quantifieds = current_user.quantifieds.averaged
   @instance_quantifieds = current_user.quantifieds.instance
   @averaged_quantifieds = Result.all.order("date_value")
   @instance_quantifieds = Result.all.order("date_value")
  end

  def show
  end

  def new
    @quantified = current_user.quantifieds.build
    @quantified = Quantified.new
  end

  def edit
  end

  def create
    @quantified = current_user.quantifieds.build(quantified_params)
    if @quantified.save
      redirect_to quantifieds_url, notice: 'Quantified was successfully created'
    else
      render action: 'new'
  end
end

  def update
    if @quantified.update(quantified_params)
      redirect_to quantifieds_url, notice: 'Goal was successfully updated'
    else
      render action: 'edit'
  end
end

  def destroy
    @quantified.destroy
    redirect_to quantifieds_url
  end

  private
    def set_quantified
      @quantified = Quantified.find(params[:id])
    end

    def correct_user
      @quantified = current_user.quantifieds.find_by(id: params[:id])
      redirect_to quantifieds_path, notice: "Not authorized to edit this goal" if @quantified.nil?
    end

    def quantified_params
      params.require(:quantified).permit(:categories, :name, :metric, :result, :date, results_attributes: [:id, :result_value, :date_value, :_destroy])
    end
end

＆＃13;

quantified.rb

＆＃13;

class Quantified < ActiveRecord::Base
	belongs_to :user
 	scope :averaged,  -> { where(categories: 'averaged') }
 	scope :instance,  -> { where(categories: 'instance') }
 	has_many :results
	accepts_nested_attributes_for :results, :reject_if => :all_blank, :allow_destroy => true

	CATEGORIES = ['averaged', 'instance']

end

＆＃13;

如果您需要更多代码或评论以帮助解决此问题，请与我们联系。

Answer 1

这有望引导您朝着正确的方向前进

这对我来说很奇怪

  def index
   @averaged_quantifieds = current_user.quantifieds.averaged 
   @instance_quantifieds = current_user.quantifieds.instance
   @averaged_quantifieds = Result.all.order("date_value")
   @instance_quantifieds = Result.all.order("date_value")
  end

您将这两者定义为两次并基本上相互覆盖？

如果你的属性没有显示，它与嵌套没有任何关系，它与逻辑有关。换句话说，这个逻辑

if averaged.user == current_user

未评估为true，因此请检查每个对象实际持有的内容。您可以通过在视图中检查它来以脏的方式执行此操作

e.g。放<%= averaged.user.inspect％＆gt;和<%= current_user.inspect %>

一旦你知道它所持有的对象，请在代码中向后转到如何将它们更改为此状态。我怀疑它会回到你遇到问题的控制器。

如何将Current_User添加到嵌套属性？

1 个答案: