Ruby on rails 3 将模型移动到gem-rails4.1中
我有一个引擎,叫Xaaron。还有一个叫做core_模型的宝石。作为一个实验,我试图将Xaaron的用户模型移植到gem中。最后,我想把所有的模型从引擎转移到gem中 这就是我所做的,在gem的Ruby on rails 3 将模型移动到gem-rails4.1中,ruby-on-rails-3,model,namespaces,gem,rails-engines,Ruby On Rails 3,Model,Namespaces,Gem,Rails Engines,我有一个引擎,叫Xaaron。还有一个叫做core_模型的宝石。作为一个实验,我试图将Xaaron的用户模型移植到gem中。最后,我想把所有的模型从引擎转移到gem中 这就是我所做的,在gem的lib/core\u models/models/user.rb下我做了: require_relative 'concerns/user_concerns' require 'bcrypt' module CoreModels module Models class User < A
lib/core\u models/models/user.rb下我做了:
require_relative 'concerns/user_concerns'
require 'bcrypt'
module CoreModels
module Models
class User < ActiveRecord::Base
extend FriendlyId
friendly_id :first_name, use: [:slugged, :finders, :history]
before_save :encrypt_password
has_many :group_memberships, :dependent => :delete_all
has_many :groups, :through => :group_memberships, :dependent => :delete_all
has_many :roles, :through => :group_memberships, :dependent => :delete_all
has_many :api_keys
validates :first_name, presence: true
validates :user_name, uniqueness: true, presence: true, length: {minimum: 5}
validates :email, presence: true, confirmation: true, uniqueness: true
validates_format_of :email, :with => /\A([^@\s]+)@((?:[-a-z0-9]+\.)+[a-z]{2,})\z/i
validates :password, presence: true, confirmation: true, length: { minimum: 10 }, if: :new_record?
include CoreModels::Models::Concerns::UserConcerns
before_create{ generate_token(:auth_token) }
def self.authenticate_user(user_name, password)
user = Xaaron::User.find_by_user_name(user_name)
if(user && (user.password == BCrypt::Engine.hash_secret(password, user.salt)))
user
else
nil
end
end
def encrypt_password
if password.present?
self.salt = BCrypt::Engine.generate_salt
self.password = BCrypt::Engine.hash_secret(password, salt)
end
end
def send_password_reset
generate_token(:password_reset_token)
self.password_reset_timestamp = Time.zone.now
save!
UserMailer.password_reset(self).deliver
end
protected
def generate_token(column)
begin
self[column] = SecureRandom.urlsafe_base64
end while User.exists?(column => self[column])
end
end
end
end
require 'core_models/models/user'
module Xaaron
class User < CoreModels::Models::User
end
end
正如你所看到的,我只是在扩展模型
现在我假设这会起作用,显然它不会,因为任何与用户模型交互的东西都是抛出的,测试方面的:
Failure/Error: create_login_admin_user
ActiveRecord::StatementInvalid:
PG::UndefinedTable: ERROR: relation "users" does not exist
LINE 5: WHERE a.attrelid = '"users"'::regclass
^
: SELECT a.attname, format_type(a.atttypid, a.atttypmod),
pg_get_expr(d.adbin, d.adrelid), a.attnotnull, a.atttypid, a.atttypmod
FROM pg_attribute a LEFT JOIN pg_attrdef d
ON a.attrelid = d.adrelid AND a.attnum = d.adnum
WHERE a.attrelid = '"users"'::regclass
AND a.attnum > 0 AND NOT a.attisdropped
ORDER BY a.attnum
现在,Xaaron的表的名称间隔为Xaaron\u表的名称
,因此在本例中,它的Xaaron\u用户
我假设它仍然知道如何查看xaaron_users
表,即使我扩展了另一个模型。显然不是
我可以做些什么来纠正这一点,使我的模型仍然在gem中,但可以通过xaaron或任何其他在那里命名或不命名空格表的应用程序访问?这将不会使用xaaron\u users
表,因为CoreModels::model::User
在xaaron
命名空间之外,因此,您的表名上不会有xaaron\uu
前缀
解决方案是在模型内手动指定表名:
module Xaaron
class User < CoreModels::Models::User
self.table_name = "xaaron_users"
end
end
模块Xaaron
类用户