[英]acts_as_votable ordering based on upvotes in controller
我正在使用acts_as_votable gem根据链接从用户那里获得多少投票来对我的链接进行排序。
我最初在我的视图中使用.each迭代器来处理排序,并且工作正常:
@ links.order(cached_votes_up::desc)。每个| link |
但是现在我正在尝试在控制器中包括订购功能,但该功能无法正常工作。 我尝试了几种不同的方法:
class LinksController < ApplicationController
before_filter :authenticate_user!, except: [:index, :show]
def index
@links = Link.order(cached_votes_up: :desc)
@links = Link.paginate(page: params[:page], per_page: 5)
respond_to do |format|
format.js
format.html
end
end
end
class LinksController < ApplicationController
before_filter :authenticate_user!, except: [:index, :show]
def index
@links = Link.order(cached_votes_up: :desc).paginate(page: params[:page], per_page: 5)
respond_to do |format|
format.js
format.html
end
end
end
class LinksController < ApplicationController
before_filter :authenticate_user!, except: [:index, :show]
def index
@links = Link.order(cached_votes_up: :desc)
@links.paginate(page: params[:page], per_page: 5)
respond_to do |format|
format.js
format.html
end
end
end
我的_link部分:
<div class="link row clearfix">
<h2>
<%= image_tag link.avatar.thumb %>
</h2>
<h2>
<%= link_to link.title, link %><br>
</h2>
<p>
<%= link_to link.url, link %><br>
</p>
<!-- acts_as_votable for like_link -->
<div class="btn-group">
<%= link_to like_link_path(link), method: :put, class: "btn btn-default btn-sm" do %>
<span class="glyphicon glyphicon-chevron-up"></span>
Upvote
<%= link.get_upvotes.size %>
<% end %>
<%= link_to dislike_link_path(link), method: :put, class: "btn btn-default btn-sm" do %>
<span class="glyphicon glyphicon-chevron-down">
Downvote
<%= link.get_downvotes.size %>
<% end %>
</div>
</div>
index.html.erb:
<div id="link"><%= render @links %></div>
<%= will_paginate @links %>
有谁看到问题可能出在哪里或者我做错了什么?
这是我运行Link.order(cached_votes_up: :desc)
时的输出。 即使我对此文章投了反对票,它仍然返回包含Upvote的对象?
irb(main):001:0> @link = Link.order(cached_votes_up: :desc).first
Link Load (2.0ms) SELECT "links".* FROM "links" ORDER BY "links"."cached_votes_up" DESC LIMIT 1
=> #<Link id: 16, title: "John F Kennedy", url: "Change is the law of life. And those who look only...", created_at: "2015-12-26 23:56:26", updated_at: "2015-12-26 23:56:31", user_id: nil, cached_votes_total: 1, cached_votes_score: 1, cached_votes_up: 1, cached_votes_down: 0, avatar: "jfk.jpeg">
这是包含act_as_votable对象的链接模型:
class Link < ActiveRecord::Base
self.per_page = 5
belongs_to :user
validates :user, presence: true
acts_as_votable
attr_accessor :avatar
mount_uploader :avatar, AvatarUploader
end
这是我的路线文件:
Rails.application.routes.draw do
devise_for :users
resources :users
resources :links do
member do
put "like", to: "links#upvote"
put "dislike", to: "links#downvote"
end
end
root to: "links#index"
这些是我的不赞成和不赞成的行动:
def upvote
@link = Link.find(params[:id])
@link.upvote_by current_user
redirect_to :back
end
def downvote
@link = Link.find(params[:id])
@link.downvote_from current_user
redirect_to :back
end
请尝试以下方法:
class LinksController < ApplicationController
before_filter :authenticate_user!, except: [:index, :show]
def index
ordered_links = Link.order(cached_votes_up: :desc)
@links = ordered_links.paginate(page: params[:page], per_page: 5)
respond_to do |format|
format.js
format.html
end
end
end
由于您在评论中说您实际上在注册缩微投票时遇到问题,因此这可能对您有所帮助
根据acts_as_votable gem文档
默认情况下,所有选票都是正面的
所以
@post.vote_by :voter => @user3
实际上是正面投票。 要投反对票,您需要执行以下操作...
@post.vote_by :voter => @user4, :vote => 'bad'
要么
@post.downvote_from @user2
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