我正在制作一个Twitter副本,现在我正在尝试显示其他用户正在关注的用户的所有帖子。我是ruby和rails的新手,所以我可能会这样做很奇怪..
这些是我的文件:
会话#home.html.erb
<h2 class='User_Header'> Home <h2>
<%= link_to "New Post", controller: "posts", action: "new" %>
<%= link_to "Log Out", :controller => "sessions", :action => "logout" %>
<%= show_tweets("following") %>
sessions_helper
module SessionsHelper
def show_tweets(opt)
if opt == "following"
@sub = Subscription.where("userID = ?", @current_user.id)
@post = Post.where("user_id = ?", @sub.followingID)
render partial: 'shared/follower_tweets'
end
end
def show_tweet(s)
@post = Post.where("user_id = ?", s.id)
render partial: 'shared/tweet'
end
def tweet_username(p)
@username = User.where("id = ?", p.user_id)
Rails.logger.debug @username.inspect
render partial: 'shared/user'
end
end
_follower_tweets.html.erb
<h2>Tweets</h2>
<table>
<tr>
<th>Username</th>
<th>Tweet</th>
</tr>
<% div_for(@post, class: 'post') do %>
<td><%= tweet_username(@post) %></td>
<td><%= @post.content %></td>
<% end %>
</table>
_user.html.erb
<%= @username %>
session.rb
class Session < ActiveRecord::Base
attr_accessible :content, :user_id, :followingID, :userID
end
错误 的
app / views / sessions / home.html.erb第9行引出:
undefined method `followingID' for #<ActiveRecord::Relation:0x007fd74b66f8a8>
答案 0 :(得分:0)
检查您的模型的关联是否正确。消息表明有关于此的错误。
答案 1 :(得分:0)
发生的情况是,followingID
模型上的Session
代替Subscription
模型。应该类似于以下内容:
class Subscription < ActiveRecord::Base
attr_accessible :followingID
end
然而,问题比那更重要。您必须阅读Active Record Associations,然后才能执行类似
的操作@subs = @current_user.subscriptions
@posts = @current_user.posts