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我的机遇模型是这样的:Rails的更新相关模型的对象
class Opportunity < ApplicationRecord
# opportunity belongs to a user
belongs_to :user
def self.create_opportunity(params)
# Fetch opportunity params and user params from request parameters
opportunity_params = params[:opportunity_params]
user_params = params[:user_params]
opportunity = Opportunity.find_or_initialize_by(id: opportunity_params[:id])
opportunity.assign_attributes(opportunity_params)
opportunity.user = User.find_or_initialize_by(email: user_params[:email])
opportunity.user.assign_attributes(user_params)
opportunity.save
end
user.rb模型
class User < ApplicationRecord
# validate user email
validates :email, presence: true, email: true
enum gender: { male:1, female:2 }
end
我们创建了一个新的用户,如果所提供的电子邮件地址的用户不存在。这在创建新用户时运行良好,但在已有用户时不起作用。用户模型的更新不起作用。 对于用户更新工作,我需要具体拨打opportunity.user.save
任何想法如何使这项工作没有显式调用保存在用户模型?
产生以下错误:未定义的方法'find_or_create_by”为#<用户:0x007fc108039f78> –
用户是子ActiveRecord :: Base ?? http://apidock.com/rails/v4.0.2/ActiveRecord/Relation/find_or_create_by –
是的,添加User.rb –