app/models/monologue/user.rb
class Monologue::User < ActiveRecord::Base
has_many :posts
has_secure_password
validates_presence_of :password, on: :create
validates_presence_of :name
validates :email , presence: true, uniqueness: true
def can_delete?(user)
return false if self==user
return false if user.posts.any?
true
end
end