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Created February 12, 2013 22:54
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class Friendship < ActiveRecord::Base
attr_accessible :friend_id, :user_id, :status
belongs_to :user
belongs_to :friend, :class_name => 'User', :counter_cache => :friends_count
def self.request(user, friend)
unless user == friend or Friendship.where(:user_id => user, :friend_id => friend).exists?
transaction do
create(:user => user, :friend => friend, :status => 'pending')
create(:user => friend, :friend => user, :status => 'requested')
end
end
end
def self.accept(user, friend)
transaction do
accepted_at = Time.now
accept_one_side(user, friend, accepted_at)
accept_one_side(friend, user, accepted_at)
end
end
def self.accept_one_side(user, friend, accepted_at)
request = find_by_user_id_and_friend_id(user, friend)
request.status = 'accepted'
request.accepted_at = accepted_at
request.save!
end
end
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