74 lines
2.3 KiB
Ruby
74 lines
2.3 KiB
Ruby
class User < ActiveRecord::Base
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# Include default devise modules. Others available are:
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# :confirmable, :lockable, :timeoutable and :omniauthable
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devise :database_authenticatable, :registerable,
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:recoverable, :rememberable, :trackable,
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:validatable, :authentication_keys => [:login]
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# attr_accessor :login
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has_many :questions, dependent: :destroy
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has_many :answers, dependent: :destroy
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has_many :comments, dependent: :destroy
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has_many :inboxes, dependent: :destroy
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has_many :active_relationships, class_name: 'Relationship',
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foreign_key: 'source_id',
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dependent: :destroy
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has_many :passive_relationships, class_name: 'Relationship',
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foreign_key: 'target_id',
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dependent: :destroy
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has_many :friends, through: :active_relationships, source: :target
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has_many :followers, through: :passive_relationships, source: :source
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SCREEN_NAME_REGEX = /\A[a-zA-Z0-9_]{1,16}\z/
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validates :screen_name, presence: true, format: { with: SCREEN_NAME_REGEX }, uniqueness: { case_sensitive: false }
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def login=(login)
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@login = login
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end
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def login
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@login || self.screen_name || self.email
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end
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def self.find_first_by_auth_conditions(warden_conditions)
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conditions = warden_conditions.dup
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if login = conditions.delete(:login)
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where(conditions).where(["lower(screen_name) = :value OR lower(email) = :value", { :value => login.downcase }]).first
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else
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where(conditions).first
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end
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end
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# @return [Array] the users' timeline
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def timeline
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Answer.where("user_id in (?) OR user_id = ?", friend_ids, id).order(:created_at).reverse_order
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end
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# follows an user.
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def follow(target_user)
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active_relationships.create(target: target_user)
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# increment counts
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increment! :friend_count
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target_user.increment! :follower_count
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end
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# unfollows an user
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def unfollow(target_user)
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active_relationships.find_by(target: target_user).destroy
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# decrement counts
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decrement! :friend_count
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target_user.decrement! :follower_count
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end
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# @return [Boolean] true if +current_user+ is following +target_user+
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def following?(target_user)
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friends.include? target_user
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end
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end
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