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| class User < ActiveRecord::Base | |
| has_many :microposts, dependent: :destroy | |
| has_many :relationships, foreign_key: "follower_id", dependent: :destroy | |
| has_many :followed_users, through: :relationships, source: :followed | |
| has_many :reverse_relationships, foreign_key: "followed_id", | |
| class_name: "Relationship", | |
| dependent: :destroy | |
| has_many :followers, through: :reverse_relationships, source: :follower | |
| before_save { self.email = email.downcase } | |
| before_create :create_remember_token | |
| validates :name, presence: true, length: { maximum: 50 } | |
| VALID_EMAIL_REGEX = /\A[\w+\-.]+@[a-z\d\-.]+\.[a-z]+\z/i | |
| validates :email, presence: true, | |
| format: { with: VALID_EMAIL_REGEX }, | |
| uniqueness: { case_sensitive: false } | |
| has_secure_password | |
| validates :password, length: { minimum: 6 } | |
| def User.new_remember_token | |
| SecureRandom.urlsafe_base64 | |
| end | |
| def User.encrypt(token) | |
| Digest::SHA1.hexdigest(token.to_s) | |
| end | |
| def feed | |
| Micropost.from_users_followed_by(self) | |
| end | |
| def following?(other_user) | |
| relationships.find_by(followed_id: other_user.id) | |
| end | |
| def follow!(other_user) | |
| relationships.create!(followed_id: other_user.id) | |
| end | |
| def unfollow!(other_user) | |
| relationships.find_by(followed_id: other_user.id).destroy! | |
| end | |
| private | |
| def create_remember_token | |
| self.remember_token = User.encrypt(User.new_remember_token) | |
| end | |
| end |