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# Copyright (c) 2010-2011, Diaspora Inc. This file is
# licensed under the Affero General Public License version 3 or later. See
# the COPYRIGHT file.
class ShareVisibility < ActiveRecord::Base
belongs_to :user
belongs_to :shareable, polymorphic: :true
scope :for_a_user, ->(user) {
where(user_id: user.id)
}
scope :for_shareable, ->(shareable) {
where(shareable_id: shareable.id, shareable_type: shareable.class.base_class.to_s)
}
validate :not_public
# Perform a batch import, given a set of users and a shareable
# @note performs a bulk insert in mySQL; performs linear insertions in postgres
# @param user_ids [Array<Integer>] Recipients
# @param share [Shareable]
# @return [void]
def self.batch_import(user_ids, share)
return false unless ShareVisibility.new(shareable_id: share.id, shareable_type: share.class.base_class.to_s).valid?
user_ids -= ShareVisibility.for_shareable(share).where(user_id: user_ids).pluck(:user_id)
return false if user_ids.empty?
create_visilities(user_ids, share)
end
private
private_class_method def self.create_visilities(user_ids, share)
if AppConfig.postgres?
user_ids.each do |user_id|
ShareVisibility.find_or_create_by(
user_id: user_id,
shareable_id: share.id,
shareable_type: share.class.base_class.to_s
)
end
else
new_share_visibilities_data = user_ids.map do |user_id|
[user_id, share.id, share.class.base_class.to_s]
end
ShareVisibility.import(%i(user_id shareable_id shareable_type), new_share_visibilities_data)
end
end
def not_public
errors[:base] << "Cannot create visibility for a public object" if shareable.public?
end
end
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