Jorge Manrubia
31 lines
913 B
Ruby
31 lines
913 B
Ruby
module Card::Watchable
|
|
extend ActiveSupport::Concern
|
|
|
|
included do
|
|
has_many :watches, dependent: :destroy
|
|
has_many :watchers, -> { merge(Watch.watching) }, through: :watches, source: :user
|
|
|
|
after_create -> { watch_by creator }
|
|
end
|
|
|
|
def watched_by?(user)
|
|
watchers_and_subscribers(include_only_watching: true).include?(user)
|
|
end
|
|
|
|
def watch_by(user)
|
|
watches.where(user: user).first_or_create.update!(watching: true)
|
|
end
|
|
|
|
def unwatch_by(user)
|
|
watches.where(user: user).first_or_create.update!(watching: false)
|
|
end
|
|
|
|
def watchers_and_subscribers(include_only_watching: false)
|
|
involvements = include_only_watching ? [ :watching, :everything ] : :everything
|
|
subscribers = collection.users.where(accesses: { involvement: involvements })
|
|
|
|
User.where(id: subscribers.pluck(:id) +
|
|
watches.watching.pluck(:user_id) - watches.not_watching.pluck(:user_id))
|
|
end
|
|
end
|