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我正在尝试让 Mailboxer gem 在 Rails 3.1 应用程序中工作......我的新消息功能正在工作，但回复对话一直给我一个undefined method 'is_trashed?' for nil:NilClass错误。

我一直在关注 gem 网站上的自述信息，here，并查看示例邮箱应用程序here。

这是我的控制器：

class ConversationsController < ApplicationController
  before_filter :authenticate_user!
  helper_method :mailbox, :conversation

  def show
    @conversation ||= mailbox.conversations.find(params[:id])
  end

  def create
    recipient_emails = conversation_params(:recipients).split(',')
    recipients = User.where(email: recipient_emails).all

    conversation = current_user.send_message(recipients, *conversation_params(:body, :subject)).conversation

    redirect_to conversation
  end

  def reply
    conversation = current_user.reply_to_conversation(conversation, *message_params(:body)).conversation
    redirect_to conversation
  end

  def trash
    conversation.move_to_trash(current_user)
    redirect_to :back
  end

  def untrash
    conversation.untrash(current_user)
    redirect_to :back
  end

  private

  def mailbox
    @mailbox ||= current_user.mailbox
  end

  def conversation
    @conversation ||= mailbox.conversations.find(params[:id])
  end

  def conversation_params(*keys)
    fetch_params(:conversation, *keys)
  end

  def message_params(*keys)
    fetch_params(:message, *keys)
  end

  def fetch_params(key, *subkeys)
    params[key].instance_eval do
      case subkeys.size
      when 0 then self
      when 1 then self[subkeys.first]
      else subkeys.map{|k| self[k] }
      end
    end
  end
end

这是我的回复表格：

<%= simple_form_for :message, url: [:reply, conversation] do |f| %>
  <%= f.input :body, as: :text, :input_html => { :cols => 50, :rows => 3 } %>
  <div >
    <%= f.button :submit, "Send", class: 'btn btn-primary' %>
  </div>
<% end %>

新的对话正在工作，但由于某种原因，我不断收到reply_to_conversation功能上的错误。任何帮助将非常感激！

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1 回答 1

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显然，服务器只需要重新启动......不知道为什么，因为这只是在控制器和视图方面。它现在正在工作！

于 2013-11-11T22:34:37.593 回答