1class User < ApplicationRecord
 2  has_secure_password
 3  before_save :ensure_authentication_token
 4  after_create :send_welcome_email unless Rails.env.test?
 5
 6  validates :name, presence: true
 7  validates :email, presence: true, uniqueness: true, email: true
 8  validates :website, format: URI::regexp(%w(http https)), allow_blank: true
 9  validates_length_of :password, within: 6..20, allow_blank: true
10
11  has_many :creations, dependent: :destroy
12  has_many :favorites, dependent: :destroy
13  has_many :tutorials, dependent: :destroy
14  has_many :activities, dependent: :destroy
15  has_many :comments, dependent: :destroy
16  has_many :user_sessions, dependent: :destroy
17  has_and_belongs_to_many :interests, join_table: 'users_interests', autosave: true
18  has_one :avatar, class_name: 'Photo', as: :imageable
19  acts_as_tagger
20
21  def add_favorite(cake)
22    return if self.owns(cake)
23    cake.liked_by(self)
24  end
25
26  def already_likes(creation)
27    creation.is_liked_by(self)
28  end
29
30  def owns(creation)
31    creation.user == self
32  end
33
34  def change_password(password, confirmation=password)
35    return false unless password == confirmation
36    self.password = password
37    self.save
38  end
39
40  def has_avatar?
41    self.avatar && self.avatar.image.present?
42  end
43
44  def to_param
45    "#{id}-#{name.parameterize}"
46  end
47
48  def send_welcome_email
49    UserMailer.welcome_email(self).deliver_later
50  end
51
52  def recent_activities(limit = 20)
53    activities.includes(subject: [{user: :avatar}, :creation]).order(created_at: :desc).limit(limit)
54  end
55
56  def comment_on(creation, text, disqus_id)
57    creation.comments.create(text: text, user: self, disqus_id: disqus_id)
58  end
59
60  def favorite_cakes
61    favorites.includes(creation: [:photos, :user]).map(&:creation)
62  end
63
64  def create_cake(name:, category:)
65    creations.create(name: name, category_id: category.id)
66  end
67
68  def notify_of_activity
69    NotificationMailer.notification_email(self).deliver_later
70  end
71
72  class << self
73    def login(email, password)
74      user = User.find_by(email: email)
75      return false if user.nil?
76      user.user_sessions.create! if user.authenticate(password)
77    end
78  end
79
80  private
81
82  def ensure_authentication_token
83    self.authentication_token = SecureRandom.hex(32) if self.authentication_token.blank?
84  end
85end