首页 > 解决方案 > 如何嵌套 devise_invitable 以便用户只能被邀请到 1 家酒店

问题描述

目标

我想让 user.admin 只邀请一个用户到它的一个带有devise_invitegem 的酒店。

=>UserHotel通过 Join table 连接UserHotel

问题

我开始怀疑我设置设计(_invitable)的方式。以我目前的设置方式,我无法创建 user_hotel Join_table 和/或将特定的酒店参数添加到受邀用户,请参阅下面的输出以进行检查:

pry(main)> User.invitation_not_accepted.last.hotels
  User Load (0.6ms)  SELECT  "users".* FROM "users" WHERE "users"."invitation_token" IS NOT NULL AND "users"."invitation_accepted_at" IS NULL ORDER BY "users"."id" DESC LIMIT $1  [["LIMIT", 1]]
  Hotel Load (0.4ms)  SELECT "hotels".* FROM "hotels" INNER JOIN "user_hotels" ON "hotels"."id" = "user_hotels"."hotel_id" WHERE "user_hotels"."user_id" = $1  [["user_id", 49]]
=> []

更新

问题似乎在于用户和酒店之间的多对多关系。当我打破我的控制器“新”动作hotel.user.new并对其进行测试时,我发现了以下内容:

请注意 ,我使用设计设置用户,以便我的用户控制器构建为:

代码

路线

Rails.application.routes.draw do

  devise_for :users

  resources :hotels do
devise_for :users, :controllers => { :invitations => 'users/invitations' }
  end
end

楷模

class User < ApplicationRecord
  # Include default devise modules. Others available are:
  # :confirmable, :lockable, :timeoutable, :trackable and :omniauthable
  has_many :user_hotels, dependent: :destroy
  has_many :hotels, through: :user_hotels
  accepts_nested_attributes_for :user_hotels
  enum role: [:owner, :admin, :employee]
  after_initialize :set_default_role, :if => :new_record?

  def set_default_role
    self.role ||= :admin
  end

  devise :invitable, :database_authenticatable, :registerable,
         :recoverable, :rememberable, :validatable, :invitable
end

class UserHotel < ApplicationRecord
  belongs_to :hotel
  belongs_to :user
end

class Hotel < ApplicationRecord
  has_many :user_hotels, dependent: :destroy
  has_many :users, through: :user_hotels
  accepts_nested_attributes_for :users, allow_destroy: true, reject_if: ->(attrs) { attrs['email'].blank? || attrs['role'].blank?}
end

意见/酒店/表演

<%= link_to "invite new user", new_user_hotel_invitation_path(@hotel)%>

控制器/用户/invitations_controller.rb

class Users::InvitationsController < Devise::InvitationsController
  def new
    @hotel = Hotel.find(params[:hotel_id])
    @user = @hotel.users.new
  end

  def create
    @hotel = Hotel.find(params[:hotel_id])
    @user = @hotel.users.new(hotel_user_params)
    @user.invite!
  end

  private
  def hotel_user_params
    params.require(:user).permit(:email, :role,
      hotel_users_attributes: [:hotel_id])
  end
end

意见/邀请/new.html.erb

<h2><%= t "devise.invitations.new.header" %></h2>

<%= simple_form_for(resource, as: resource_name, url: user_hotel_invitation_path(@hotel), html: { method: :post }) do |f| %>  <%= f.error_notification %>

  <% resource.class.invite_key_fields.each do |field| -%>
    <div class="form-inputs">
      <%= f.input field %>
    </div>
  <% end -%>

      <%= f.input :role, collection: [:owner, :admin, :employee] %>
  <div class="form-actions">
    <%= f.button :submit, t("devise.invitations.new.submit_button") %>
  </div>
<% end %>

标签: ruby-on-railsdevisedevise-invitable

解决方案


你检查了这个:

invitation_limit:用户可以发送的邀请数。默认值 nil 表示用户可以发送任意数量的邀请,对任何用户没有限制,不使用invitation_limit 列。设置为 0 表示他们无法发送邀请。设置 n > 0 意味着他们可以发送 n 个邀请。您可以更改某些用户的邀请限制列,以便他们可以发送更多或更少的邀请,即使全局邀请限制 = 0。

此外,检查有关 gem 的更多详细信息以获取更多选项将是非常明智的举措:https ://github.com/scambra/devise_invitable


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