我做了一些與模型相關的變量,我想保存與控制結構有關的新變量,但是我不能。它說「NoMethodError - 未定義的方法`保存'爲1:Fixnum:」。未定義的方法`保存'爲1:修正號
我想要做的是該函數如果這個程序得到4人,它會顯示該成員的成員名稱。第五名成員將在下一組。
任何人都可以解決這個問題?
或者如果您需要更多信息,請讓我知道。
由於
這是Waitinglists_controller
class WaitinglistsController < ApplicationController
before_action :authenticate
def new
@waitinglist = current_user.created_waitinglists.build
end
def create
@waitinglist = current_user.created_waitinglists.build(waitinglist_params)
if @waitinglist.save
redirect_to waitinglist_waiting_path(@waitinglist, @owner)
else
render :new
end
end
def waiting
@group_number = Waitinglist.select(:count_number).last
@already_group_people = Waitinglist.where(count_number: @group_number).count
@current_person_group_number = current_user.created_waitinglists.select(:count_number)
@current_group_people = Waitinglist.where(count_number: @current_person_group_number).count
case @already_group_people
when 0
@current_person_group_number = 1
@current_person_group_number.save
when 1..2
@current_person_group_number = @group_number
@current_person_group_number.save
when 3
@current_person_group_number = @group_number
@current_person_group_number.save
redirect_to show_waitinglist_path
when 4
group_number += 1
@current_person_group_number = @group_number
@current_person_group_number.save
end
end
def show
@current_person_group_number = current_user.created_waitinglist.select(:count_number)
@matched_people = Waitinglist.find(count_number: @current_person_group_number)
@matched_people == 0 if @matched_people = nil
end
private
def created_by?(user)
return false unless user
owner_id == user.id
end
def waitinglist_params
params.require(:waitinglist).permit(:look_like, :id)
end
end
這是會話控制器,用於用戶洛
class SessionsController < ApplicationController
def create
user = User.find_or_create_from_auth_hash(request.env['omniauth.auth'])
session[:user_id] = user.id
redirect_to root_path
end
def destroy
reset_session
redirect_to root_path
end
end
應用contrtoller是本
class ApplicationController < ActionController::Base
# Prevent CSRF attacks by raising an exception.
# For APIs, you may want to use :null_session instead.
protect_from_forgery with: :exception
helper_method :current_user, :logged_in?
private
def current_user
@current_user ||= User.find(session[:user_id]) if session[:user_id]
end
def logged_in?
!!session[:user_id]
end
def authenticate
return if logged_in?
redirect_to root_path
end
end
Under code are for models
class Waitinglist < ActiveRecord::Base
belongs_to :waiting_person, class_name: 'User'
after_initialize :init
def init
self.count_number ||= 1 #will set the default value only if it's nil
end
end
class User < ActiveRecord::Base
has_many :created_waitinglists, class_name: 'Waitinglist', foreign_key: :owner_id
def self.find_or_create_from_auth_hash(auth_hash)
provider = auth_hash[:provider]
uid = auth_hash[:uid]
name = auth_hash[:info][:name]
image_url = auth_hash[:info][:image]
User.find_or_create_by(provider: provider, uid: uid) do |user|
user.nickname = name
user.image_url = image_url
end
end
end
我添加了所有模型和控制器。我很高興它會對你有用,幫助我 – 2014-09-29 10:18:43