我有一个Rails 4.0.0应用程序,并希望包含has_scope gem。
非常简单直接的资源:
型号:
class Thing < ActiveRecord::Base
resourcify
...
belongs_to :client
validates_presence_of :name
scope :by_client, -> client { where(:client => client)}
scope :by_name, -> name { where(:name => name)}
控制器:
class ThingsController < ApplicationController
include Pundit
before_filter :authenticate_user!
before_action :set_thing, only: [:show, :edit, :update, :destroy]
after_action :verify_authorized, :except => [:index, :edit]
has_scope :by_client, :type => :integer
has_scope :by_name
....
def index
@things = apply_scopes(Thing).all
puts current_scopes
end
current_scopes始终为空哈希,无论应用何种范围,Thing.all都会传递给视图。范围本身就可以正常返回过滤后的记录 参数在那里:例如:
Started GET "/things?client=113" for 127.0.0.1 at 2014-07-26 16:07:32 +0200
Processing by ThingsController#index as HTML
Parameters: {"client"=>"113"}
此设置有什么问题。我没有警告,没有方法丢失等等。只是完整的事情清单。我错过了一些配置选项吗?
知道了,在这种情况下,范围适用于表colums。这解决了它:
scope :by_client, -> client { where(:client_id => client)}
而不是
has_scope :by_client
和参数
{"by_client"=>"113"}
就够了
答案 0 :(得分:2)
基于我通过has_scope
文档的简要阅读,您提供的参数是错误的,需要更改为
{ "by_client" => { "client" => "113" } }
您的控制器需要将has_scope
更改为
has_scope :by_client, :using => :client, :type => :integer