忽略簡而言之 我碰上節約以下錯誤與驗證/模型 NameError (uninitialized constant PolymorphicAssociation): 背景&代碼 考慮以下車型(省略Mongoid::Document) class User
has_many :media_views
class MediaView
field :last_seen_at, ty
我有兩個型號 class Conversation
include Mongoid::Document
field :last_moderated_at, type: DateTime
has_many :messages
end
class Message
include Mongoid::Document
include Mongoid
我一直在做RoR多年,但這是我第一個使用Mongo(也是我的第一個api-only項目)的項目。我在HABTM協會工作很艱難,我懷疑它與params有關,但我不確定還有什麼可以嘗試的。 下面是我得到了什麼: class Project
include Mongoid::Document
field :name, type: String
field :start_da
我想用Rails 5和Mongoid做一個簡單的用戶註冊功能。我的用戶模型和控制器是這樣的: user.rb class User
include Mongoid::Document
include Mongoid::Timestamps
validates_presence_of :email
validates_uniqueness_of :email
假設我有3種型號,A,B和C: class A
include Mongoid::Document
has_many :bs
...
class B
include Mongoid::Document
belongs_to :a
has_many :cs
...
class C
include Mongoid: