Retrospring/app/models/subscription.rb

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2015-04-20 18:12:11 -07:00
class Subscription < ActiveRecord::Base
belongs_to :user
belongs_to :answer
class << self
def subscribe(recipient, target)
if Subscription.find_by(user: recipient, answer: target).nil?
Subscription.new(user: recipient, answer: target).save!
end
end
def unsubscribe(recipient, target)
if recipient.nil? or target.nil?
return nil
end
subs = Subscription.find_by(user: recipient, answer: target)
subs.destroy unless subs.nil?
end
def destruct(target)
if target.nil?
return nil
end
Subscription.where(answer: target).destroy_all
end
def notify(source, target)
if source.nil? or target.nil?
return nil
end
Subscription.where(answer: target).each do |subs|
next unless not subs.user == source.user
Notification.notify subs.user, source
end
end
def denotify(source, target)
if source.nil? or target.nil?
return nil
end
Subscription.where(answer: target).each do |subs|
Notification.denotify subs.user, source
end
end
end
end