forgeplus/app/models/concerns/watchable.rb

32 lines
877 B
Ruby

module Watchable
extend ActiveSupport::Concern
included do
has_many :watchers, as: :watchable, dependent: :destroy
has_many :watcher_users, through: :watchers, source: :user, validate: false
scope :watched_by, -> (user_id) { includes(:watchers).where(watchers: { user_id: user_id }) }
attr_reader :watcher_ids, :watcher_user_ids
end
def watched?(watchable)
watchable.watchers.exists?(user: self)
end
def watched_by?(user)
watcher_users.exists?(id: user.id)
# !!(user && self.watcher_user_ids && self.watcher_user_ids.detect {|uid| uid == user.id })
end
def watch!(watchable)
watchable.watchers.create!(user: self, created_at: Time.current)
end
def unwatch!(watchable)
obj = watchable.watchers.find_by(user: self)
obj.destroy! if obj.present?
end
module ClassMethods
end
end