Class: UserLink

Inherits:
ApplicationRecord show all
Includes:
Toggleable
Defined in:
app/models/user_link.rb

Constant Summary collapse

PER_PAGE = 
10

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.filtered(side, filter) ⇒ Object

Parameters:

  • side (Symbol)
  • filter (Hash) 


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# File 'app/models/user_link.rb', line 45

def self.filtered(side, filter)
  link = joins(side).where("users.id = user_links.#{side}_id")
  unless filter[:screen_name].blank?
    link = link.where('users.screen_name ilike ?', "%#{filter[:screen_name]}%")
  end
  unless filter[:name].blank?
    link = link.where('users.name ilike ?', "%#{filter[:name]}%")
  end
  unless filter[:surname].blank?
    link = link.where('users.surname ilike ?', "%#{filter[:surname]}%")
  end
  unless filter[:online].blank?
    link = link.where('users.last_seen >= ?', 3.minutes.ago)
  end
  link
end

.follow(follower, followee) ⇒ Object

Parameters:

  • follower (User)
  • followee (User) 


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# File 'app/models/user_link.rb', line 26

def self.follow(follower, followee)
  if follower.is_a?(User) && followee.is_a?(User)
    criteria = { follower_id: follower.id, followee_id: followee.id }
    link = find_or_create_by(criteria)
    link.reciprocal.update(visible: true) if link.mutual?
    link
  else
    raise "#{follower.class}, #{followee.class}"
  end
end

.page_for_user(page) ⇒ Object

Parameters:

  • page (Integer) 


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# File 'app/models/user_link.rb', line 20

def self.page_for_user(page)
  recent.page(page).per(PER_PAGE)
end

.unfollow(follower, followee) ⇒ Object

Parameters:

  • follower (User)
  • followee (User) 


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# File 'app/models/user_link.rb', line 39

def self.unfollow(follower, followee)
  with_follower(follower).with_followee(followee).destroy_all
end

Instance Method Details

#mutual? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'app/models/user_link.rb', line 62

def mutual?
  reciprocal.exists?
end

#reciprocal ⇒ Object 



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# File 'app/models/user_link.rb', line 66

def reciprocal
  UserLink.where(follower: followee, followee: follower)
end